dropbear: common-algo.c annotate

annotate common-algo.c @ 763:f744321ac048 ecc

ecdh works against OpenSSH

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 08 Apr 2013 23:12:20 +0800
parents	a78a38e402d1
children	d1575fdc29a6

rev	line source
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 /*
74 e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	2 * Dropbear SSH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 * Copyright (c) 2002,2003 Matt Johnston
74 e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	5 * Copyright (c) 2004 by Mihnea Stoenescu
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 * All rights reserved.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 * Permission is hereby granted, free of charge, to any person obtaining a copy
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 * of this software and associated documentation files (the "Software"), to deal
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 * in the Software without restriction, including without limitation the rights
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12 * copies of the Software, and to permit persons to whom the Software is
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 * furnished to do so, subject to the following conditions:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 * The above copyright notice and this permission notice shall be included in
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 * all copies or substantial portions of the Software.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 * SOFTWARE. */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	26 #include "includes.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 #include "algo.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 #include "dbutil.h"
759 76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	29 #include "kex.h"
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	30 #include "ltc_prng.h"
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	31 #include "ecc.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 /* This file (algo.c) organises the ciphers which can be used, and is used to
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 * decide which ciphers/hashes/compression/signing to use during key exchange*/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	36 #ifdef DROPBEAR_LTC_PRNG
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	37 int dropbear_ltc_prng = -1;
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	38 #endif
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	39
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	40
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	41
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	42 static int void_cipher(const unsigned char* in, unsigned char* out,
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	43 unsigned long len, void* UNUSED(cipher_state)) {
543 e12c9225acbd - Don't memcpy() in place with void_encrypt Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	44 if (in != out) {
e12c9225acbd - Don't memcpy() in place with void_encrypt Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	45 memmove(out, in, len);
e12c9225acbd - Don't memcpy() in place with void_encrypt Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	46 }
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	47 return CRYPT_OK;
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	48 }
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	49
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	50 static int void_start(int UNUSED(cipher), const unsigned char* UNUSED(IV),
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	51 const unsigned char* UNUSED(key),
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	52 int UNUSED(keylen), int UNUSED(num_rounds), void* UNUSED(cipher_state)) {
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	53 return CRYPT_OK;
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	54 }
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	55
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 /* Mappings for ciphers, parameters are
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 {&cipher_desc, keysize, blocksize} */
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	58
cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	59 /* Remember to add new ciphers/hashes to regciphers/reghashes too */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	61 #ifdef DROPBEAR_AES256
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	62 static const struct dropbear_cipher dropbear_aes256 =
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	63 {&aes_desc, 32, 16};
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	64 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	65 #ifdef DROPBEAR_AES128
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	66 static const struct dropbear_cipher dropbear_aes128 =
150 82fcf3185616 Cleaning out various dead wood found with -dead_strip Matt Johnston <matt@ucc.asn.au> parents: 74 diff changeset	67 {&aes_desc, 16, 16};
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	69 #ifdef DROPBEAR_BLOWFISH
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	70 static const struct dropbear_cipher dropbear_blowfish =
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 {&blowfish_desc, 16, 8};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	73 #ifdef DROPBEAR_TWOFISH256
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	74 static const struct dropbear_cipher dropbear_twofish256 =
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	75 {&twofish_desc, 32, 16};
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	76 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	77 #ifdef DROPBEAR_TWOFISH128
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	78 static const struct dropbear_cipher dropbear_twofish128 =
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 {&twofish_desc, 16, 16};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	81 #ifdef DROPBEAR_3DES
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	82 static const struct dropbear_cipher dropbear_3des =
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 {&des3_desc, 24, 8};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 /* used to indicate no encryption, as defined in rfc2410 */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 const struct dropbear_cipher dropbear_nocipher =
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 {NULL, 16, 8};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	90 /* A few void* s are required to silence warnings
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	91 * about the symmetric_CBC vs symmetric_CTR cipher_state pointer */
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	92 const struct dropbear_cipher_mode dropbear_mode_cbc =
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	93 {(void)cbc_start, (void)cbc_encrypt, (void*)cbc_decrypt};
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	94 const struct dropbear_cipher_mode dropbear_mode_none =
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	95 {void_start, void_cipher, void_cipher};
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	96 #ifdef DROPBEAR_ENABLE_CTR_MODE
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	97 /* a wrapper to make ctr_start and cbc_start look the same */
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	98 static int dropbear_big_endian_ctr_start(int cipher,
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	99 const unsigned char *IV,
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	100 const unsigned char *key, int keylen,
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	101 int num_rounds, symmetric_CTR *ctr) {
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	102 return ctr_start(cipher, IV, key, keylen, num_rounds, CTR_COUNTER_BIG_ENDIAN, ctr);
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	103 }
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	104 const struct dropbear_cipher_mode dropbear_mode_ctr =
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	105 {(void)dropbear_big_endian_ctr_start, (void)ctr_encrypt, (void*)ctr_decrypt};
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	106 #endif
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	107
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 /* Mapping of ssh hashes to libtomcrypt hashes, including keysize etc.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 {&hash_desc, keysize, hashsize} */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 #ifdef DROPBEAR_SHA1_HMAC
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	112 static const struct dropbear_hash dropbear_sha1 =
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 {&sha1_desc, 20, 20};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 #endif
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	115 #ifdef DROPBEAR_SHA1_96_HMAC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	116 static const struct dropbear_hash dropbear_sha1_96 =
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	117 {&sha1_desc, 20, 12};
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	118 #endif
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	119 #ifdef DROPBEAR_SHA2_256_HMAC
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	120 static const struct dropbear_hash dropbear_sha2_256 =
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	121 {&sha256_desc, 32, 32};
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	122 #endif
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	123 #ifdef DROPBEAR_SHA2_512_HMAC
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	124 static const struct dropbear_hash dropbear_sha2_512 =
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	125 {&sha512_desc, 64, 64};
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	126 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 #ifdef DROPBEAR_MD5_HMAC
227 ad1b24e39bf3 Make a variables static Matt Johnston <matt@ucc.asn.au> parents: 194 diff changeset	128 static const struct dropbear_hash dropbear_md5 =
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 {&md5_desc, 16, 16};
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 const struct dropbear_hash dropbear_nohash =
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 {NULL, 16, 0}; /* used initially */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	136 /* The following map ssh names to internal values.
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	137 * The ordering here is important for the client - the first mode
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	138 * that is also supported by the server will get used. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 algo_type sshciphers[] = {
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	141 #ifdef DROPBEAR_ENABLE_CTR_MODE
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	142 #ifdef DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	143 {"aes128-ctr", 0, &dropbear_aes128, 1, &dropbear_mode_ctr},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	144 #endif
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	145 #ifdef DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	146 {"3des-ctr", 0, &dropbear_3des, 1, &dropbear_mode_ctr},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	148 #ifdef DROPBEAR_AES256
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	149 {"aes256-ctr", 0, &dropbear_aes256, 1, &dropbear_mode_ctr},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	150 #endif
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	151 #endif /* DROPBEAR_ENABLE_CTR_MODE */
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	152
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	153 /* CBC modes are always enabled */
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	154 #ifdef DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	155 {"aes128-cbc", 0, &dropbear_aes128, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	156 #endif
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	157 #ifdef DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	158 {"3des-cbc", 0, &dropbear_3des, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	159 #endif
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	160 #ifdef DROPBEAR_AES256
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	161 {"aes256-cbc", 0, &dropbear_aes256, 1, &dropbear_mode_cbc},
235 c3dbd3e1a8ce Change the preferred algorithm order Matt Johnston <matt@ucc.asn.au> parents: 234 diff changeset	162 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	163 #ifdef DROPBEAR_TWOFISH256
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	164 {"twofish256-cbc", 0, &dropbear_twofish256, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	165 {"twofish-cbc", 0, &dropbear_twofish256, 1, &dropbear_mode_cbc},
235 c3dbd3e1a8ce Change the preferred algorithm order Matt Johnston <matt@ucc.asn.au> parents: 234 diff changeset	166 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	167 #ifdef DROPBEAR_TWOFISH128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	168 {"twofish128-cbc", 0, &dropbear_twofish128, 1, &dropbear_mode_cbc},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	170 #ifdef DROPBEAR_BLOWFISH
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	171 {"blowfish-cbc", 0, &dropbear_blowfish, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	172 #endif
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 238 diff changeset	173 #ifdef DROPBEAR_NONE_CIPHER
512 0129fd8ccc71 Update nocrypto branch to current head Matt Johnston <matt@ucc.asn.au> parents: 511 diff changeset	174 {"none", 0, (void*)&dropbear_nocipher, 1, &dropbear_mode_none},
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 238 diff changeset	175 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	176 {NULL, 0, NULL, 0, NULL}
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 algo_type sshhashes[] = {
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	180 #ifdef DROPBEAR_SHA2_256_HMAC
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	181 {"hmac-sha2-256", 0, &dropbear_sha2_256, 1, NULL},
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	182 #endif
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	183 #ifdef DROPBEAR_SHA2_512_HMAC
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	184 {"hmac-sha2-512", 0, &dropbear_sha2_512, 1, NULL},
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	185 #endif
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	186 #ifdef DROPBEAR_SHA1_96_HMAC
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	187 {"hmac-sha1-96", 0, &dropbear_sha1_96, 1, NULL},
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 227 diff changeset	188 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 #ifdef DROPBEAR_SHA1_HMAC
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	190 {"hmac-sha1", 0, &dropbear_sha1, 1, NULL},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 #ifdef DROPBEAR_MD5_HMAC
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 679 512 diff changeset	193 {"hmac-md5", 0, (void*)&dropbear_md5, 1, NULL},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 #endif
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 238 diff changeset	195 #ifdef DROPBEAR_NONE_INTEGRITY
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 679 512 diff changeset	196 {"none", 0, (void*)&dropbear_nohash, 1, NULL},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	198 {NULL, 0, NULL, 0, NULL}
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 #ifndef DISABLE_ZLIB
575 f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	202 algo_type ssh_compress[] = {
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	203 {"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	204 {"[email protected]", DROPBEAR_COMP_ZLIB_DELAY, NULL, 1, NULL},
575 f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	205 {"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	206 {NULL, 0, NULL, 0, NULL}
f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	207 };
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 #endif
575 f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	209
f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 543 diff changeset	210 algo_type ssh_nocompress[] = {
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	211 {"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	212 {NULL, 0, NULL, 0, NULL}
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 algo_type sshhostkey[] = {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 #ifdef DROPBEAR_RSA
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	217 {"ssh-rsa", DROPBEAR_SIGNKEY_RSA, NULL, 1, NULL},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 #ifdef DROPBEAR_DSS
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	220 {"ssh-dss", DROPBEAR_SIGNKEY_DSS, NULL, 1, NULL},
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	222 {NULL, 0, NULL, 0, NULL}
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224
759 76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	225 static struct dropbear_kex kex_dh_group1 = {dh_p_1, DH_P_1_LEN, NULL, &sha1_desc };
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	226 static struct dropbear_kex kex_dh_group14 = {dh_p_14, DH_P_14_LEN, NULL, &sha1_desc };
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	227
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	228 #ifdef DROPBEAR_ECDH
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	229 #ifdef DROPBEAR_ECC_256
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	230 static struct dropbear_kex kex_ecdh_nistp256 = {NULL, 0, &ecc_curve_nistp256, &sha256_desc };
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	231 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	232 #ifdef DROPBEAR_ECC_384
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	233 static struct dropbear_kex kex_ecdh_nistp384 = {NULL, 0, &ecc_curve_nistp384, &sha384_desc };
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	234 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	235 #ifdef DROPBEAR_ECC_521
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	236 static struct dropbear_kex kex_ecdh_nistp521 = {NULL, 0, &ecc_curve_nistp521, &sha512_desc };
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	237 #endif
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	238 #endif // DROPBEAR_ECDH
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	239
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	240
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 algo_type sshkex[] = {
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	242 #ifdef DROPBEAR_ECDH
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	243 #ifdef DROPBEAR_ECC_256
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	244 {"ecdh-sha2-nistp256", 0, &kex_ecdh_nistp256, 1, NULL},
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	245 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	246 #ifdef DROPBEAR_ECC_384
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	247 {"ecdh-sha2-nistp384", 0, &kex_ecdh_nistp384, 1, NULL},
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	248 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	249 #ifdef DROPBEAR_ECC_521
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	250 {"ecdh-sha2-nistp521", 0, &kex_ecdh_nistp521, 1, NULL},
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	251 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	252 #endif
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	253 {"diffie-hellman-group1-sha1", 0, &kex_dh_group1, 1, NULL},
bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	254 {"diffie-hellman-group14-sha1", 0, &kex_dh_group14, 1, NULL},
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	255 {NULL, 0, NULL, 0, NULL}
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259 /* Register the compiled in ciphers.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260 * This should be run before using any of the ciphers/hashes */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	261 void crypto_init() {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262
194 e972be139cb5 Switching to libtomcrypt 1.02 Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	263 const struct ltc_cipher_descriptor *regciphers[] = {
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	264 #ifdef DROPBEAR_AES
150 82fcf3185616 Cleaning out various dead wood found with -dead_strip Matt Johnston <matt@ucc.asn.au> parents: 74 diff changeset	265 &aes_desc,
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	267 #ifdef DROPBEAR_BLOWFISH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268 &blowfish_desc,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	270 #ifdef DROPBEAR_TWOFISH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 &twofish_desc,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 #endif
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	273 #ifdef DROPBEAR_3DES
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 &des3_desc,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 NULL
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278
194 e972be139cb5 Switching to libtomcrypt 1.02 Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	279 const struct ltc_hash_descriptor *reghashes[] = {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 /* we need sha1 for hostkey stuff regardless */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 &sha1_desc,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 #ifdef DROPBEAR_MD5_HMAC
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 &md5_desc,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 #endif
759 76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	285 #ifdef DROPBEAR_SHA256
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	286 &sha256_desc,
cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	287 #endif
759 76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	288 #ifdef DROPBEAR_SHA384
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	289 &sha384_desc,
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	290 #endif
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	291 #ifdef DROPBEAR_SHA512
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	292 &sha512_desc,
cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	293 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 NULL
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 int i;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298 for (i = 0; regciphers[i] != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 if (register_cipher(regciphers[i]) == -1) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 575 diff changeset	300 dropbear_exit("Error registering crypto");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 for (i = 0; reghashes[i] != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 if (register_hash(reghashes[i]) == -1) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 575 diff changeset	306 dropbear_exit("Error registering crypto");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308 }
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	309
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	310 #ifdef DROPBEAR_LTC_PRNG
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	311 dropbear_ltc_prng = register_prng(&dropbear_prng_desc);
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	312 if (dropbear_ltc_prng == -1) {
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	313 dropbear_exit("Error registering crypto");
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	314 }
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	315 #endif
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	316
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	317 #ifdef DROPBEAR_ECC
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	318 ltc_mp = ltm_desc;
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	319 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 /* algolen specifies the length of algo, algos is our local list to match
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	323 * against.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	324 * Returns DROPBEAR_SUCCESS if we have a match for algo, DROPBEAR_FAILURE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 * otherwise */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 int have_algo(char* algo, size_t algolen, algo_type algos[]) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	327
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 int i;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	330 for (i = 0; algos[i].name != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	331 if (strlen(algos[i].name) == algolen
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	332 && (strncmp(algos[i].name, algo, algolen) == 0)) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	333 return DROPBEAR_SUCCESS;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	334 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	335 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	336
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	337 return DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	338 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	339
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340 /* Output a comma separated list of algorithms to a buffer */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 void buf_put_algolist(buffer * buf, algo_type localalgos[]) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342
238 e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	343 unsigned int i, len;
e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	344 unsigned int donefirst = 0;
e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	345 buffer *algolist = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	347 algolist = buf_new(160);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 for (i = 0; localalgos[i].name != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 if (localalgos[i].usable) {
238 e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	350 if (donefirst)
e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	351 buf_putbyte(algolist, ',');
e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	352 donefirst = 1;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 len = strlen(localalgos[i].name);
238 e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	354 buf_putbytes(algolist, localalgos[i].name, len);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 }
238 e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	357 buf_putstring(buf, algolist->data, algolist->len);
e923801a7678 use a buffer rather than raw char array for creating Matt Johnston <matt@ucc.asn.au> parents: 237 diff changeset	358 buf_free(algolist);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	359 }
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	360
686 983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	361 #ifdef DROPBEAR_NONE_CIPHER
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	362
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	363 void
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	364 set_algo_usable(algo_type algos[], const char * algo_name, int usable)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	365 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	366 algo_type *a;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	367 for (a = algos; a->name != NULL; a++)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	368 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	369 if (strcmp(a->name, algo_name) == 0)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	370 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	371 a->usable = usable;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	372 return;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	373 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	374 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	375 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	376
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	377 int
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	378 get_algo_usable(algo_type algos[], const char * algo_name)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	379 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	380 algo_type *a;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	381 for (a = algos; a->name != NULL; a++)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	382 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	383 if (strcmp(a->name, algo_name) == 0)
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	384 {
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	385 return a->usable;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	386 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	387 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	388 return 0;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	389 }
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	390
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	391 #endif // DROPBEAR_NONE_CIPHER
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	392
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	393 #ifdef ENABLE_USER_ALGO_LIST
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	394
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	395 char *
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	396 algolist_string(algo_type algos[])
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	397 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	398 char *ret_list;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	399 buffer *b = buf_new(200);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	400 buf_put_algolist(b, algos);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	401 buf_setpos(b, b->len);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	402 buf_putbyte(b, '\0');
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	403 buf_setpos(b, 4);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	404 ret_list = m_strdup(buf_getptr(b, b->len - b->pos));
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	405 buf_free(b);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	406 return ret_list;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	407 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	408
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	409 static algo_type*
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	410 check_algo(const char* algo_name, algo_type *algos)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	411 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	412 algo_type *a;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	413 for (a = algos; a->name != NULL; a++)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	414 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	415 if (strcmp(a->name, algo_name) == 0)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	416 {
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	417 return a;
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	418 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	419 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	420
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	421 return NULL;
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	422 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	423
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	424 static void
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	425 try_add_algo(const char algo_name, algo_type algos,
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	426 const char algo_desc, algo_type new_algos, int *num_ret)
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	427 {
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	428 algo_type *match_algo = check_algo(algo_name, algos);
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	429 if (!match_algo)
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	430 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	431 dropbear_log(LOG_WARNING, "This Dropbear program does not support '%s' %s algorithm", algo_name, algo_desc);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	432 return;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	433 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	434
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	435 new_algos[num_ret] = match_algo;
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	436 (*num_ret)++;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	437 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	438
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	439 /* Checks a user provided comma-separated algorithm list for available
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	440 * options. Any that are not acceptable are removed in-place. Returns the
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	441 * number of valid algorithms. */
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	442 int
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	443 check_user_algos(const char* user_algo_list, algo_type * algos,
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	444 const char *algo_desc)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	445 {
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	446 algo_type new_algos[MAX_PROPOSED_ALGO];
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	447 /* this has two passes. first we sweep through the given list of
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	448 * algorithms and mark them as usable=2 in the algo_type[] array... */
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	449 int num_ret = 0;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	450 char *work_list = m_strdup(user_algo_list);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	451 char *last_name = work_list;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	452 char *c;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	453 for (c = work_list; *c; c++)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	454 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	455 if (*c == ',')
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	456 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	457 *c = '\0';
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	458 try_add_algo(last_name, algos, algo_desc, new_algos, &num_ret);
686 983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	459 c++;
983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	460 last_name = c;
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	461 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	462 }
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	463 try_add_algo(last_name, algos, algo_desc, new_algos, &num_ret);
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	464 m_free(work_list);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	465
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	466 new_algos[num_ret].name = NULL;
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	467
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	468 /* Copy one more as a blank delimiter */
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	469 memcpy(algos, new_algos, sizeof(new_algos) (num_ret+1));
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	470 return num_ret;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	471 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 595 diff changeset	472 #endif // ENABLE_USER_ALGO_LIST

Mercurial > dropbear

annotate common-algo.c @ 763:f744321ac048 ecc