dropbear: libtomcrypt/src/ciphers/aes/aes.c annotate

annotate libtomcrypt/src/ciphers/aes/aes.c @ 328:168272e481a8

increase the size of listening sockets if the port count increases

author	Matt Johnston <matt@ucc.asn.au>
date	Sat, 10 Jun 2006 15:59:38 +0000
parents	1b9e69c058d2
children	0cbe8f6dbf9e

rev	line source
285 1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 * LibTomCrypt is a library that provides various cryptographic
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 * algorithms in a highly modular and flexible manner.
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 * The library is free for all purposes without any express
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 * guarantee it works.
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 * Tom St Denis, [email protected], http://libtomcrypt.org
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12 /* AES implementation by Tom St Denis
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 * Derived from the Public Domain source code by
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 ---
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 * rijndael-alg-fst.c
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 * @version 3.0 (December 2000)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 * Optimised ANSI C code for the Rijndael cipher (now AES)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 *
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 * @author Vincent Rijmen <[email protected]>
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 * @author Antoon Bosselaers <[email protected]>
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 * @author Paulo Barreto <[email protected]>
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 ---
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 @file aes.c
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 Implementation of AES
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 #include "tomcrypt.h"
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 #ifdef RIJNDAEL
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 #ifndef ENCRYPT_ONLY
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 #define SETUP rijndael_setup
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 #define ECB_ENC rijndael_ecb_encrypt
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 #define ECB_DEC rijndael_ecb_decrypt
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 #define ECB_DONE rijndael_done
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 #define ECB_TEST rijndael_test
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 #define ECB_KS rijndael_keysize
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 #if 0
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 const struct ltc_cipher_descriptor rijndael_desc =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 "rijndael",
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 6,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 16, 32, 16, 10,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 SETUP, ECB_ENC, ECB_DEC, ECB_TEST, ECB_DONE, ECB_KS,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 NULL, NULL, NULL, NULL, NULL, NULL, NULL
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 };
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 const struct ltc_cipher_descriptor aes_desc =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 "aes",
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 6,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 16, 32, 16, 10,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 SETUP, ECB_ENC, ECB_DEC, ECB_TEST, ECB_DONE, ECB_KS,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 NULL, NULL, NULL, NULL, NULL, NULL, NULL
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 };
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 #define SETUP rijndael_enc_setup
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 #define ECB_ENC rijndael_enc_ecb_encrypt
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 #define ECB_KS rijndael_enc_keysize
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 #define ECB_DONE rijndael_enc_done
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 const struct ltc_cipher_descriptor rijndael_enc_desc =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 "rijndael",
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 6,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 16, 32, 16, 10,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 SETUP, ECB_ENC, NULL, NULL, ECB_DONE, ECB_KS,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 NULL, NULL, NULL, NULL, NULL, NULL, NULL
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 };
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82 const struct ltc_cipher_descriptor aes_enc_desc =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 "aes",
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 6,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 16, 32, 16, 10,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 SETUP, ECB_ENC, NULL, NULL, ECB_DONE, ECB_KS,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 NULL, NULL, NULL, NULL, NULL, NULL, NULL
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 };
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 #include "aes_tab.c"
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 static ulong32 setup_mix(ulong32 temp)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 return (Te4_3[byte(temp, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 (Te4_2[byte(temp, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 (Te4_1[byte(temp, 0)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 (Te4_0[byte(temp, 3)]);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 #ifndef ENCRYPT_ONLY
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 #ifdef LTC_SMALL_CODE
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 static ulong32 setup_mix2(ulong32 temp)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 return Td0(255 & Te4[byte(temp, 3)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 Td1(255 & Te4[byte(temp, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 Td2(255 & Te4[byte(temp, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 Td3(255 & Te4[byte(temp, 0)]);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 Initialize the AES (Rijndael) block cipher
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 @param key The symmetric key you wish to pass
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 @param keylen The key length in bytes
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 @param num_rounds The number of rounds desired (0 for default)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 @param skey The key in as scheduled by this function.
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 @return CRYPT_OK if successful
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 int SETUP(const unsigned char key, int keylen, int num_rounds, symmetric_key skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 int i, j;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 ulong32 temp, *rk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 #ifndef ENCRYPT_ONLY
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 ulong32 *rrk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 LTC_ARGCHK(key != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 LTC_ARGCHK(skey != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 if (keylen != 16 && keylen != 24 && keylen != 32) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 return CRYPT_INVALID_KEYSIZE;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 if (num_rounds != 0 && num_rounds != (10 + ((keylen/8)-2)*2)) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 return CRYPT_INVALID_ROUNDS;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 skey->rijndael.Nr = 10 + ((keylen/8)-2)*2;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 /* setup the forward key */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 i = 0;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 rk = skey->rijndael.eK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 LOAD32H(rk[0], key );
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 LOAD32H(rk[1], key + 4);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 LOAD32H(rk[2], key + 8);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 LOAD32H(rk[3], key + 12);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 if (keylen == 16) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 j = 44;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 for (;;) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 temp = rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 rk[4] = rk[0] ^ setup_mix(temp) ^ rcon[i];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 rk[5] = rk[1] ^ rk[4];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 rk[6] = rk[2] ^ rk[5];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 rk[7] = rk[3] ^ rk[6];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 if (++i == 10) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 } else if (keylen == 24) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 j = 52;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 LOAD32H(rk[4], key + 16);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 LOAD32H(rk[5], key + 20);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 for (;;) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 #ifdef _MSC_VER
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 temp = skey->rijndael.eK[rk - skey->rijndael.eK + 5];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 temp = rk[5];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 rk[ 6] = rk[ 0] ^ setup_mix(temp) ^ rcon[i];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 rk[ 7] = rk[ 1] ^ rk[ 6];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 rk[ 8] = rk[ 2] ^ rk[ 7];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 rk[ 9] = rk[ 3] ^ rk[ 8];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 if (++i == 8) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 rk[10] = rk[ 4] ^ rk[ 9];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 rk[11] = rk[ 5] ^ rk[10];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 rk += 6;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 } else if (keylen == 32) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 j = 60;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 LOAD32H(rk[4], key + 16);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 LOAD32H(rk[5], key + 20);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 LOAD32H(rk[6], key + 24);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 LOAD32H(rk[7], key + 28);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 for (;;) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 #ifdef _MSC_VER
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 temp = skey->rijndael.eK[rk - skey->rijndael.eK + 7];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 temp = rk[7];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 rk[ 8] = rk[ 0] ^ setup_mix(temp) ^ rcon[i];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 rk[ 9] = rk[ 1] ^ rk[ 8];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 rk[10] = rk[ 2] ^ rk[ 9];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 rk[11] = rk[ 3] ^ rk[10];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 if (++i == 7) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 temp = rk[11];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 rk[12] = rk[ 4] ^ setup_mix(RORc(temp, 8));
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 rk[13] = rk[ 5] ^ rk[12];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 rk[14] = rk[ 6] ^ rk[13];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 rk[15] = rk[ 7] ^ rk[14];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 rk += 8;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210 } else {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 /* this can't happen */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 return CRYPT_ERROR;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 #ifndef ENCRYPT_ONLY
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 /* setup the inverse key now */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 rk = skey->rijndael.dK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 rrk = skey->rijndael.eK + j - 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 /* copy first */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 rk = rrk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 rk -= 3; rrk -= 3;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 for (i = 1; i < skey->rijndael.Nr; i++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 rrk -= 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 #ifdef LTC_SMALL_CODE
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 temp = rrk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233 rk[0] = setup_mix2(temp);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 temp = rrk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 rk[1] = setup_mix2(temp);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 temp = rrk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 rk[2] = setup_mix2(temp);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 temp = rrk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 rk[3] = setup_mix2(temp);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 temp = rrk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 rk[0] =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 Tks0[byte(temp, 3)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 Tks1[byte(temp, 2)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245 Tks2[byte(temp, 1)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 Tks3[byte(temp, 0)];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 temp = rrk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 rk[1] =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 Tks0[byte(temp, 3)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 Tks1[byte(temp, 2)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251 Tks2[byte(temp, 1)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 Tks3[byte(temp, 0)];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 temp = rrk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 rk[2] =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255 Tks0[byte(temp, 3)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 Tks1[byte(temp, 2)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 Tks2[byte(temp, 1)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258 Tks3[byte(temp, 0)];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259 temp = rrk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260 rk[3] =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	261 Tks0[byte(temp, 3)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262 Tks1[byte(temp, 2)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263 Tks2[byte(temp, 1)] ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264 Tks3[byte(temp, 0)];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	265 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	267 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 /* copy last */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 rrk -= 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 rk++ = rrk++;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275 rk = rrk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 #endif /* ENCRYPT_ONLY */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 return CRYPT_OK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 Encrypts a block of text with AES
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 @param pt The input plaintext (16 bytes)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 @param ct The output ciphertext (16 bytes)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 @param skey The key as scheduled
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 #ifdef LTC_CLEAN_STACK
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 static void _rijndael_ecb_encrypt(const unsigned char pt, unsigned char ct, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 void ECB_ENC(const unsigned char pt, unsigned char ct, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 int Nr, r;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 LTC_ARGCHK(pt != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297 LTC_ARGCHK(ct != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298 LTC_ARGCHK(skey != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300 Nr = skey->rijndael.Nr;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301 rk = skey->rijndael.eK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 * map byte array block to cipher state
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 * and add initial round key:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	306 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307 LOAD32H(s0, pt ); s0 ^= rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308 LOAD32H(s1, pt + 4); s1 ^= rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 LOAD32H(s2, pt + 8); s2 ^= rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310 LOAD32H(s3, pt + 12); s3 ^= rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313 #ifdef LTC_SMALL_CODE
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	314
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	315 for (r = 0; ; r++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	316 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	317 t0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	318 Te0(byte(s0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319 Te1(byte(s1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320 Te2(byte(s2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321 Te3(byte(s3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	323 t1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	324 Te0(byte(s1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 Te1(byte(s2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 Te2(byte(s3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	327 Te3(byte(s0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329 t2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	330 Te0(byte(s2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	331 Te1(byte(s3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	332 Te2(byte(s0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	333 Te3(byte(s1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	334 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	335 t3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	336 Te0(byte(s3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	337 Te1(byte(s0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	338 Te2(byte(s1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	339 Te3(byte(s2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 if (r == Nr-2) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	344 s0 = t0; s1 = t1; s2 = t2; s3 = t3;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351 * Nr - 1 full rounds:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 r = Nr >> 1;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 for (;;) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 t0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 Te0(byte(s0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	357 Te1(byte(s1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	358 Te2(byte(s2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	359 Te3(byte(s3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	360 rk[4];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	361 t1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	362 Te0(byte(s1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	363 Te1(byte(s2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	364 Te2(byte(s3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	365 Te3(byte(s0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	366 rk[5];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	367 t2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	368 Te0(byte(s2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	369 Te1(byte(s3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	370 Te2(byte(s0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	371 Te3(byte(s1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	372 rk[6];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	373 t3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	374 Te0(byte(s3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	375 Te1(byte(s0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	376 Te2(byte(s1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	377 Te3(byte(s2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	378 rk[7];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	379
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	380 rk += 8;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	381 if (--r == 0) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	382 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	383 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	384
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	385 s0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	386 Te0(byte(t0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	387 Te1(byte(t1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	388 Te2(byte(t2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	389 Te3(byte(t3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	390 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	391 s1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	392 Te0(byte(t1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	393 Te1(byte(t2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394 Te2(byte(t3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	395 Te3(byte(t0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	396 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397 s2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	398 Te0(byte(t2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	399 Te1(byte(t3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	400 Te2(byte(t0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	401 Te3(byte(t1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	402 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	403 s3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	404 Te0(byte(t3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	405 Te1(byte(t0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	406 Te2(byte(t1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	407 Te3(byte(t2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	408 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	409 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	410
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	411 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	412
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	413 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	414 * apply last round and
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	415 * map cipher state to byte array block:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	416 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	417 s0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	418 (Te4_3[byte(t0, 3)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	419 (Te4_2[byte(t1, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	420 (Te4_1[byte(t2, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	421 (Te4_0[byte(t3, 0)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	422 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	423 STORE32H(s0, ct);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	424 s1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	425 (Te4_3[byte(t1, 3)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	426 (Te4_2[byte(t2, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	427 (Te4_1[byte(t3, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	428 (Te4_0[byte(t0, 0)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	429 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	430 STORE32H(s1, ct+4);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	431 s2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	432 (Te4_3[byte(t2, 3)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	433 (Te4_2[byte(t3, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	434 (Te4_1[byte(t0, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	435 (Te4_0[byte(t1, 0)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	436 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	437 STORE32H(s2, ct+8);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	438 s3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	439 (Te4_3[byte(t3, 3)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	440 (Te4_2[byte(t0, 2)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	441 (Te4_1[byte(t1, 1)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	442 (Te4_0[byte(t2, 0)]) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	443 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	444 STORE32H(s3, ct+12);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	445 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	446
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	447 #ifdef LTC_CLEAN_STACK
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	448 void ECB_ENC(const unsigned char pt, unsigned char ct, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	449 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	450 _rijndael_ecb_encrypt(pt, ct, skey);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	451 burn_stack(sizeof(unsigned long)8 + sizeof(unsigned long) + sizeof(int)*2);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	452 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	453 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	454
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	455 #ifndef ENCRYPT_ONLY
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	456
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	457 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	458 Decrypts a block of text with AES
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	459 @param ct The input ciphertext (16 bytes)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	460 @param pt The output plaintext (16 bytes)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	461 @param skey The key as scheduled
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	462 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	463 #ifdef LTC_CLEAN_STACK
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	464 static void _rijndael_ecb_decrypt(const unsigned char ct, unsigned char pt, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	465 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	466 void ECB_DEC(const unsigned char ct, unsigned char pt, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	467 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	468 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	469 ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	470 int Nr, r;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	471
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	472 LTC_ARGCHK(pt != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	473 LTC_ARGCHK(ct != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	474 LTC_ARGCHK(skey != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	475
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	476 Nr = skey->rijndael.Nr;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	477 rk = skey->rijndael.dK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	478
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	479 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	480 * map byte array block to cipher state
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	481 * and add initial round key:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	482 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	483 LOAD32H(s0, ct ); s0 ^= rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	484 LOAD32H(s1, ct + 4); s1 ^= rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	485 LOAD32H(s2, ct + 8); s2 ^= rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	486 LOAD32H(s3, ct + 12); s3 ^= rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	487
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	488 #ifdef LTC_SMALL_CODE
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	489 for (r = 0; ; r++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	490 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	491 t0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	492 Td0(byte(s0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	493 Td1(byte(s3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	494 Td2(byte(s2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	495 Td3(byte(s1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	496 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	497 t1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	498 Td0(byte(s1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	499 Td1(byte(s0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	500 Td2(byte(s3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	501 Td3(byte(s2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	502 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	503 t2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	504 Td0(byte(s2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	505 Td1(byte(s1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	506 Td2(byte(s0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	507 Td3(byte(s3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	508 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	509 t3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	510 Td0(byte(s3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	511 Td1(byte(s2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	512 Td2(byte(s1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	513 Td3(byte(s0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	514 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	515 if (r == Nr-2) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	516 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	517 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	518 s0 = t0; s1 = t1; s2 = t2; s3 = t3;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	519 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	520 rk += 4;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	521
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	522 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	523
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	524 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	525 * Nr - 1 full rounds:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	526 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	527 r = Nr >> 1;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	528 for (;;) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	529
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	530 t0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	531 Td0(byte(s0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	532 Td1(byte(s3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	533 Td2(byte(s2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	534 Td3(byte(s1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	535 rk[4];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	536 t1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	537 Td0(byte(s1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	538 Td1(byte(s0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	539 Td2(byte(s3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	540 Td3(byte(s2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	541 rk[5];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	542 t2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	543 Td0(byte(s2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	544 Td1(byte(s1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	545 Td2(byte(s0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	546 Td3(byte(s3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	547 rk[6];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	548 t3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	549 Td0(byte(s3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	550 Td1(byte(s2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	551 Td2(byte(s1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	552 Td3(byte(s0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	553 rk[7];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	554
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	555 rk += 8;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	556 if (--r == 0) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	557 break;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	558 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	559
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	560
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	561 s0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	562 Td0(byte(t0, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	563 Td1(byte(t3, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	564 Td2(byte(t2, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	565 Td3(byte(t1, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	566 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	567 s1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	568 Td0(byte(t1, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	569 Td1(byte(t0, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	570 Td2(byte(t3, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	571 Td3(byte(t2, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	572 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	573 s2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	574 Td0(byte(t2, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	575 Td1(byte(t1, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	576 Td2(byte(t0, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	577 Td3(byte(t3, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	578 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	579 s3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	580 Td0(byte(t3, 3)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	581 Td1(byte(t2, 2)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	582 Td2(byte(t1, 1)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	583 Td3(byte(t0, 0)) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	584 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	585 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	586 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	587
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	588 /*
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	589 * apply last round and
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	590 * map cipher state to byte array block:
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	591 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	592 s0 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	593 (Td4[byte(t0, 3)] & 0xff000000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	594 (Td4[byte(t3, 2)] & 0x00ff0000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	595 (Td4[byte(t2, 1)] & 0x0000ff00) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	596 (Td4[byte(t1, 0)] & 0x000000ff) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	597 rk[0];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	598 STORE32H(s0, pt);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	599 s1 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	600 (Td4[byte(t1, 3)] & 0xff000000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	601 (Td4[byte(t0, 2)] & 0x00ff0000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	602 (Td4[byte(t3, 1)] & 0x0000ff00) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	603 (Td4[byte(t2, 0)] & 0x000000ff) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	604 rk[1];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	605 STORE32H(s1, pt+4);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	606 s2 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	607 (Td4[byte(t2, 3)] & 0xff000000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	608 (Td4[byte(t1, 2)] & 0x00ff0000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	609 (Td4[byte(t0, 1)] & 0x0000ff00) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	610 (Td4[byte(t3, 0)] & 0x000000ff) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	611 rk[2];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	612 STORE32H(s2, pt+8);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	613 s3 =
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	614 (Td4[byte(t3, 3)] & 0xff000000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	615 (Td4[byte(t2, 2)] & 0x00ff0000) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	616 (Td4[byte(t1, 1)] & 0x0000ff00) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	617 (Td4[byte(t0, 0)] & 0x000000ff) ^
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	618 rk[3];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	619 STORE32H(s3, pt+12);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	620 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	621
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	622
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	623 #ifdef LTC_CLEAN_STACK
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	624 void ECB_DEC(const unsigned char ct, unsigned char pt, symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	625 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	626 _rijndael_ecb_decrypt(ct, pt, skey);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	627 burn_stack(sizeof(unsigned long)8 + sizeof(unsigned long) + sizeof(int)*2);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	628 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	629 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	630
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	631 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	632 Performs a self-test of the AES block cipher
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	633 @return CRYPT_OK if functional, CRYPT_NOP if self-test has been disabled
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	634 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	635 int ECB_TEST(void)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	636 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	637 #ifndef LTC_TEST
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	638 return CRYPT_NOP;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	639 #else
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	640 int err;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	641 static const struct {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	642 int keylen;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	643 unsigned char key[32], pt[16], ct[16];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	644 } tests[] = {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	645 { 16,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	646 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	647 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	648 { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	649 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	650 { 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	651 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	652 }, {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	653 24,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	654 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	655 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	656 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	657 { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	658 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	659 { 0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	660 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	661 }, {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	662 32,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	663 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	664 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	665 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	666 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	667 { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	668 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	669 { 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf,
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	670 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	671 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	672 };
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	673
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	674 symmetric_key key;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	675 unsigned char tmp[2][16];
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	676 int i, y;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	677
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	678 for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	679 zeromem(&key, sizeof(key));
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	680 if ((err = rijndael_setup(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	681 return err;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	682 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	683
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	684 rijndael_ecb_encrypt(tests[i].pt, tmp[0], &key);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	685 rijndael_ecb_decrypt(tmp[0], tmp[1], &key);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	686 if (memcmp(tmp[0], tests[i].ct, 16) \|\| memcmp(tmp[1], tests[i].pt, 16)) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	687 #if 0
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	688 printf("\n\nTest %d failed\n", i);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	689 if (memcmp(tmp[0], tests[i].ct, 16)) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	690 printf("CT: ");
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	691 for (i = 0; i < 16; i++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	692 printf("%02x ", tmp[0][i]);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	693 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	694 printf("\n");
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	695 } else {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	696 printf("PT: ");
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	697 for (i = 0; i < 16; i++) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	698 printf("%02x ", tmp[1][i]);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	699 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	700 printf("\n");
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	701 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	702 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	703 return CRYPT_FAIL_TESTVECTOR;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	704 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	705
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	706 /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	707 for (y = 0; y < 16; y++) tmp[0][y] = 0;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	708 for (y = 0; y < 1000; y++) rijndael_ecb_encrypt(tmp[0], tmp[0], &key);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	709 for (y = 0; y < 1000; y++) rijndael_ecb_decrypt(tmp[0], tmp[0], &key);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	710 for (y = 0; y < 16; y++) if (tmp[0][y] != 0) return CRYPT_FAIL_TESTVECTOR;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	711 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	712 return CRYPT_OK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	713 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	714 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	715
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	716 #endif /* ENCRYPT_ONLY */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	717
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	718
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	719 /** Terminate the context
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	720 @param skey The scheduled key
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	721 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	722 void ECB_DONE(symmetric_key *skey)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	723 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	724 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	725
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	726
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	727 /**
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	728 Gets suitable key size
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	729 @param keysize [in/out] The length of the recommended key (in bytes). This function will store the suitable size back in this variable.
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	730 @return CRYPT_OK if the input key size is acceptable.
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	731 */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	732 int ECB_KS(int *keysize)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	733 {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	734 LTC_ARGCHK(keysize != NULL);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	735
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	736 if (*keysize < 16)
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	737 return CRYPT_INVALID_KEYSIZE;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	738 if (*keysize < 24) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	739 *keysize = 16;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	740 return CRYPT_OK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	741 } else if (*keysize < 32) {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	742 *keysize = 24;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	743 return CRYPT_OK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	744 } else {
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	745 *keysize = 32;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	746 return CRYPT_OK;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	747 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	748 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	749
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	750 #endif
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	751
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	752
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	753 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/aes/aes.c,v $ */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	754 /* $Revision: 1.8 $ */
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) Matt Johnston <matt@ucc.asn.au> parents: diff changeset	755 /* $Date: 2005/05/05 14:35:58 $ */

Mercurial > dropbear

annotate libtomcrypt/src/ciphers/aes/aes.c @ 328:168272e481a8