dropbear: aes.c annotate

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 31 May 2004 18:21:40 +0000
parents
children	6362d3854bb4

rev	line source
0 d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 * LibTomCrypt is a library that provides various cryptographic
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 * algorithms in a highly modular and flexible manner.
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 * The library is free for all purposes without any express
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 * guarantee it works.
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 * Tom St Denis, [email protected], http://libtomcrypt.org
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12 /* AES implementation by Tom St Denis
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 * Derived from the Public Domain source code by
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 ---
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 * rijndael-alg-fst.c
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 * @version 3.0 (December 2000)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 * Optimised ANSI C code for the Rijndael cipher (now AES)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 * @author Vincent Rijmen <[email protected]>
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 * @author Antoon Bosselaers <[email protected]>
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 * @author Paulo Barreto <[email protected]>
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 ---
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 #include "mycrypt.h"
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 #ifdef RIJNDAEL
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 const struct _cipher_descriptor rijndael_desc =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 "rijndael",
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36 6,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 16, 32, 16, 10,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 &rijndael_setup,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 &rijndael_ecb_encrypt,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 &rijndael_ecb_decrypt,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 &rijndael_test,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 &rijndael_keysize
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 };
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 const struct _cipher_descriptor aes_desc =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 "aes",
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 6,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 16, 32, 16, 10,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 &rijndael_setup,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 &rijndael_ecb_encrypt,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 &rijndael_ecb_decrypt,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 &rijndael_test,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 &rijndael_keysize
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 };
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 #include "aes_tab.c"
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 int rijndael_setup(const unsigned char key, int keylen, int rounds, symmetric_key skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 int i, j;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 ulong32 temp, rk, rrk;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 _ARGCHK(key != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 _ARGCHK(skey != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 if (keylen != 16 && keylen != 24 && keylen != 32) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 return CRYPT_INVALID_KEYSIZE;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 if (rounds != 0 && rounds != (10 + ((keylen/8)-2)*2)) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 return CRYPT_INVALID_ROUNDS;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 skey->rijndael.Nr = 10 + ((keylen/8)-2)*2;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 /* setup the forward key */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 i = 0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 rk = skey->rijndael.eK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 LOAD32H(rk[0], key );
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 LOAD32H(rk[1], key + 4);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82 LOAD32H(rk[2], key + 8);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 LOAD32H(rk[3], key + 12);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 if (keylen == 16) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 j = 44;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 for (;;) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 temp = rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 rk[4] = rk[0] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 (Te4_3[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90 (Te4_2[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 (Te4_1[byte(temp, 0)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92 (Te4_0[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 rcon[i];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94 rk[5] = rk[1] ^ rk[4];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 rk[6] = rk[2] ^ rk[5];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 rk[7] = rk[3] ^ rk[6];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 if (++i == 10) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 break;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 rk += 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 } else if (keylen == 24) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 j = 52;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 LOAD32H(rk[4], key + 16);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 LOAD32H(rk[5], key + 20);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 for (;;) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 #ifdef _MSC_VER
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 temp = skey->rijndael.eK[rk - skey->rijndael.eK + 5];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 temp = rk[5];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 rk[ 6] = rk[ 0] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 (Te4_3[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 (Te4_2[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 (Te4_1[byte(temp, 0)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 (Te4_0[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 rcon[i];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 rk[ 7] = rk[ 1] ^ rk[ 6];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 rk[ 8] = rk[ 2] ^ rk[ 7];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 rk[ 9] = rk[ 3] ^ rk[ 8];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 if (++i == 8) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 break;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 rk[10] = rk[ 4] ^ rk[ 9];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 rk[11] = rk[ 5] ^ rk[10];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 rk += 6;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 } else if (keylen == 32) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 j = 60;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 LOAD32H(rk[4], key + 16);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 LOAD32H(rk[5], key + 20);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 LOAD32H(rk[6], key + 24);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 LOAD32H(rk[7], key + 28);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 for (;;) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 #ifdef _MSC_VER
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 temp = skey->rijndael.eK[rk - skey->rijndael.eK + 7];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 temp = rk[7];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 rk[ 8] = rk[ 0] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 (Te4_3[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 (Te4_2[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 (Te4_1[byte(temp, 0)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 (Te4_0[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 rcon[i];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 rk[ 9] = rk[ 1] ^ rk[ 8];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 rk[10] = rk[ 2] ^ rk[ 9];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 rk[11] = rk[ 3] ^ rk[10];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 if (++i == 7) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 break;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 temp = rk[11];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 rk[12] = rk[ 4] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 (Te4_3[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 (Te4_2[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 (Te4_1[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 (Te4_0[byte(temp, 0)]);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 rk[13] = rk[ 5] ^ rk[12];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 rk[14] = rk[ 6] ^ rk[13];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 rk[15] = rk[ 7] ^ rk[14];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 rk += 8;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 } else {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 /* this can't happen */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 j = 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 /* setup the inverse key now */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 rk = skey->rijndael.dK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 rrk = skey->rijndael.eK + j - 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 /* copy first */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 rk = rrk;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 rk -= 3; rrk -= 3;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 for (i = 1; i < skey->rijndael.Nr; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 rrk -= 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 rk += 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 #ifdef SMALL_CODE
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 temp = rrk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 rk[0] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 Td0(255 & Te4[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 Td1(255 & Te4[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 Td2(255 & Te4[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 Td3(255 & Te4[byte(temp, 0)]);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 temp = rrk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 rk[1] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 Td0(255 & Te4[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 Td1(255 & Te4[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 Td2(255 & Te4[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 Td3(255 & Te4[byte(temp, 0)]);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 temp = rrk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 rk[2] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 Td0(255 & Te4[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 Td1(255 & Te4[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 Td2(255 & Te4[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 Td3(255 & Te4[byte(temp, 0)]);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 temp = rrk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 rk[3] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 Td0(255 & Te4[byte(temp, 3)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 Td1(255 & Te4[byte(temp, 2)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 Td2(255 & Te4[byte(temp, 1)]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 Td3(255 & Te4[byte(temp, 0)]);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 temp = rrk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210 rk[0] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 Tks0[byte(temp, 3)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 Tks1[byte(temp, 2)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 Tks2[byte(temp, 1)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 Tks3[byte(temp, 0)];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 temp = rrk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 rk[1] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 Tks0[byte(temp, 3)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 Tks1[byte(temp, 2)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 Tks2[byte(temp, 1)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 Tks3[byte(temp, 0)];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 temp = rrk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 rk[2] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 Tks0[byte(temp, 3)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 Tks1[byte(temp, 2)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 Tks2[byte(temp, 1)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 Tks3[byte(temp, 0)];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 temp = rrk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 rk[3] =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 Tks0[byte(temp, 3)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 Tks1[byte(temp, 2)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 Tks2[byte(temp, 1)] ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 Tks3[byte(temp, 0)];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 /* copy last */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 rrk -= 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 rk += 4;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 rk++ = rrk++;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 rk = rrk;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245 return CRYPT_OK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 static void _rijndael_ecb_encrypt(const unsigned char pt, unsigned char ct, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251 void rijndael_ecb_encrypt(const unsigned char pt, unsigned char ct, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255 int Nr, r;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 _ARGCHK(pt != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258 _ARGCHK(ct != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259 _ARGCHK(skey != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	261 Nr = skey->rijndael.Nr;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262 rk = skey->rijndael.eK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	265 * map byte array block to cipher state
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266 * and add initial round key:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	267 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268 LOAD32H(s0, pt ); s0 ^= rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 LOAD32H(s1, pt + 4); s1 ^= rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 LOAD32H(s2, pt + 8); s2 ^= rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 LOAD32H(s3, pt + 12); s3 ^= rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 * Nr - 1 full rounds:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 r = Nr >> 1;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277 for (;;) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 t0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 Te0(byte(s0, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 Te1(byte(s1, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 Te2(byte(s2, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 Te3(byte(s3, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 rk[4];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 t1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 Te0(byte(s1, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 Te1(byte(s2, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 Te2(byte(s3, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 Te3(byte(s0, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 rk[5];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 t2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 Te0(byte(s2, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 Te1(byte(s3, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 Te2(byte(s0, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 Te3(byte(s1, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 rk[6];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 t3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297 Te0(byte(s3, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298 Te1(byte(s0, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 Te2(byte(s1, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300 Te3(byte(s2, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301 rk[7];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303 rk += 8;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 if (--r == 0) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 break;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	306 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308 s0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 Te0(byte(t0, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310 Te1(byte(t1, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311 Te2(byte(t2, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312 Te3(byte(t3, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313 rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	314 s1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	315 Te0(byte(t1, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	316 Te1(byte(t2, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	317 Te2(byte(t3, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	318 Te3(byte(t0, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319 rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320 s2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321 Te0(byte(t2, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 Te1(byte(t3, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	323 Te2(byte(t0, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	324 Te3(byte(t1, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 s3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	327 Te0(byte(t3, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 Te1(byte(t0, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329 Te2(byte(t1, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	330 Te3(byte(t2, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	331 rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	332 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	333 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	334 * apply last round and
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	335 * map cipher state to byte array block:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	336 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	337 s0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	338 (Te4_3[(t0 >> 24) ]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	339 (Te4_2[(t1 >> 16) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340 (Te4_1[(t2 >> 8) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 (Te4_0[(t3 ) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342 rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343 STORE32H(s0, ct);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	344 s1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345 (Te4_3[(t1 >> 24) ]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346 (Te4_2[(t2 >> 16) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347 (Te4_1[(t3 >> 8) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 (Te4_0[(t0 ) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 STORE32H(s1, ct+4);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351 s2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 (Te4_3[(t2 >> 24) ]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 (Te4_2[(t3 >> 16) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 (Te4_1[(t0 >> 8) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 (Te4_0[(t1 ) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	357 STORE32H(s2, ct+8);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	358 s3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	359 (Te4_3[(t3 >> 24) ]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	360 (Te4_2[(t0 >> 16) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	361 (Te4_1[(t1 >> 8) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	362 (Te4_0[(t2 ) & 0xff]) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	363 rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	364 STORE32H(s3, ct+12);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	365 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	366
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	367 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	368 void rijndael_ecb_encrypt(const unsigned char pt, unsigned char ct, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	369 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	370 _rijndael_ecb_encrypt(pt, ct, skey);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	371 burn_stack(sizeof(unsigned long)8 + sizeof(unsigned long) + sizeof(int)*2);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	372 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	373 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	374
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	375 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	376 static void _rijndael_ecb_decrypt(const unsigned char ct, unsigned char pt, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	377 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	378 void rijndael_ecb_decrypt(const unsigned char ct, unsigned char pt, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	379 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	380 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	381 ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	382 int Nr, r;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	383
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	384 _ARGCHK(pt != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	385 _ARGCHK(ct != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	386 _ARGCHK(skey != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	387
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	388 Nr = skey->rijndael.Nr;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	389 rk = skey->rijndael.dK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	390
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	391 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	392 * map byte array block to cipher state
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	393 * and add initial round key:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	395 LOAD32H(s0, ct ); s0 ^= rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	396 LOAD32H(s1, ct + 4); s1 ^= rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397 LOAD32H(s2, ct + 8); s2 ^= rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	398 LOAD32H(s3, ct + 12); s3 ^= rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	399
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	400 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	401 * Nr - 1 full rounds:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	402 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	403 r = Nr >> 1;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	404 for (;;) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	405
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	406 t0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	407 Td0(byte(s0, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	408 Td1(byte(s3, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	409 Td2(byte(s2, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	410 Td3(byte(s1, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	411 rk[4];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	412 t1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	413 Td0(byte(s1, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	414 Td1(byte(s0, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	415 Td2(byte(s3, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	416 Td3(byte(s2, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	417 rk[5];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	418 t2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	419 Td0(byte(s2, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	420 Td1(byte(s1, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	421 Td2(byte(s0, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	422 Td3(byte(s3, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	423 rk[6];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	424 t3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	425 Td0(byte(s3, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	426 Td1(byte(s2, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	427 Td2(byte(s1, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	428 Td3(byte(s0, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	429 rk[7];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	430
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	431 rk += 8;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	432 if (--r == 0) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	433 break;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	434 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	435
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	436
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	437 s0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	438 Td0(byte(t0, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	439 Td1(byte(t3, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	440 Td2(byte(t2, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	441 Td3(byte(t1, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	442 rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	443 s1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	444 Td0(byte(t1, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	445 Td1(byte(t0, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	446 Td2(byte(t3, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	447 Td3(byte(t2, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	448 rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	449 s2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	450 Td0(byte(t2, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	451 Td1(byte(t1, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	452 Td2(byte(t0, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	453 Td3(byte(t3, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	454 rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	455 s3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	456 Td0(byte(t3, 3)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	457 Td1(byte(t2, 2)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	458 Td2(byte(t1, 1)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	459 Td3(byte(t0, 0)) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	460 rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	461 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	462
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	463 /*
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	464 * apply last round and
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	465 * map cipher state to byte array block:
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	466 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	467 s0 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	468 (Td4[(t0 >> 24) ] & 0xff000000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	469 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	470 (Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	471 (Td4[(t1 ) & 0xff] & 0x000000ff) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	472 rk[0];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	473 STORE32H(s0, pt);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	474 s1 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	475 (Td4[(t1 >> 24) ] & 0xff000000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	476 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	477 (Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	478 (Td4[(t2 ) & 0xff] & 0x000000ff) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	479 rk[1];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	480 STORE32H(s1, pt+4);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	481 s2 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	482 (Td4[(t2 >> 24) ] & 0xff000000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	483 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	484 (Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	485 (Td4[(t3 ) & 0xff] & 0x000000ff) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	486 rk[2];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	487 STORE32H(s2, pt+8);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	488 s3 =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	489 (Td4[(t3 >> 24) ] & 0xff000000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	490 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	491 (Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	492 (Td4[(t0 ) & 0xff] & 0x000000ff) ^
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	493 rk[3];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	494 STORE32H(s3, pt+12);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	495 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	496
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	497
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	498 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	499 void rijndael_ecb_decrypt(const unsigned char ct, unsigned char pt, symmetric_key *skey)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	500 {

0

d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over