annotate common-algo.c @ 686:983a817f8e41 insecure-nocrypto

- Only request "none" cipher after auth has succeeded
author Matt Johnston <matt@ucc.asn.au>
date Thu, 17 May 2012 20:52:57 +0800
parents c37857676924
children cd3d3c63d189
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26 #include "algo.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27 #include "dbutil.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 /* 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
30 * 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
31
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
32 static int void_cipher(const unsigned char* in, unsigned char* out,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
33 unsigned long len, void *cipher_state) {
543
e12c9225acbd - Don't memcpy() in place with void_encrypt
Matt Johnston <matt@ucc.asn.au>
parents: 503
diff changeset
34 if (in != out) {
e12c9225acbd - Don't memcpy() in place with void_encrypt
Matt Johnston <matt@ucc.asn.au>
parents: 503
diff changeset
35 memmove(out, in, len);
e12c9225acbd - Don't memcpy() in place with void_encrypt
Matt Johnston <matt@ucc.asn.au>
parents: 503
diff changeset
36 }
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
37 return CRYPT_OK;
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
38 }
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
39
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
40 static int void_start(int cipher, const unsigned char *IV,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
41 const unsigned char *key,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
42 int keylen, int num_rounds, void *cipher_state) {
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
43 return CRYPT_OK;
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
44 }
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
45
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
46 /* Mappings for ciphers, parameters are
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
47 {&cipher_desc, keysize, blocksize} */
409
0e69e948caba Add comments about requiring keysize <= 2*SHA1_HASH_SIZE
Matt Johnston <matt@ucc.asn.au>
parents: 255
diff changeset
48 /* NOTE: if keysize > 2*SHA1_HASH_SIZE, code such as hashkeys()
0e69e948caba Add comments about requiring keysize <= 2*SHA1_HASH_SIZE
Matt Johnston <matt@ucc.asn.au>
parents: 255
diff changeset
49 needs revisiting */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
51 #ifdef DROPBEAR_AES256
228
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
52 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
53 {&aes_desc, 32, 16};
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
54 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
55 #ifdef DROPBEAR_AES128
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
56 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
57 {&aes_desc, 16, 16};
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
58 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
59 #ifdef DROPBEAR_BLOWFISH
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
60 static const struct dropbear_cipher dropbear_blowfish =
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
61 {&blowfish_desc, 16, 8};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
63 #ifdef DROPBEAR_TWOFISH256
228
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
64 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
65 {&twofish_desc, 32, 16};
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
66 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
67 #ifdef DROPBEAR_TWOFISH128
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
68 static const struct dropbear_cipher dropbear_twofish128 =
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
69 {&twofish_desc, 16, 16};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
70 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
71 #ifdef DROPBEAR_3DES
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
72 static const struct dropbear_cipher dropbear_3des =
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 {&des3_desc, 24, 8};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
74 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 /* 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
77 const struct dropbear_cipher dropbear_nocipher =
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
78 {NULL, 16, 8};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
79
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
80 /* A few void* s are required to silence warnings
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
81 * 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
82 const struct dropbear_cipher_mode dropbear_mode_cbc =
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
83 {(void*)cbc_start, (void*)cbc_encrypt, (void*)cbc_decrypt};
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
84 const struct dropbear_cipher_mode dropbear_mode_none =
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
85 {void_start, void_cipher, void_cipher};
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
86 #ifdef DROPBEAR_ENABLE_CTR_MODE
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
87 /* 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
88 static int dropbear_big_endian_ctr_start(int cipher,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
89 const unsigned char *IV,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
90 const unsigned char *key, int keylen,
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
91 int num_rounds, symmetric_CTR *ctr) {
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
92 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
93 }
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
94 const struct dropbear_cipher_mode dropbear_mode_ctr =
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
95 {(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
96 #endif
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
97
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98 /* 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
99 {&hash_desc, keysize, hashsize} */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
100
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
101 #ifdef DROPBEAR_SHA1_HMAC
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
102 static const struct dropbear_hash dropbear_sha1 =
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
103 {&sha1_desc, 20, 20};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
104 #endif
228
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
105 #ifdef DROPBEAR_SHA1_96_HMAC
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
106 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
107 {&sha1_desc, 20, 12};
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
108 #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
109 #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
110 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
111 {&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
112 #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
113 #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
114 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
115 {&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
116 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117 #ifdef DROPBEAR_MD5_HMAC
227
ad1b24e39bf3 Make a variables static
Matt Johnston <matt@ucc.asn.au>
parents: 194
diff changeset
118 static const struct dropbear_hash dropbear_md5 =
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119 {&md5_desc, 16, 16};
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
120 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
121
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
122 const struct dropbear_hash dropbear_nohash =
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123 {NULL, 16, 0}; /* used initially */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
126 /* The following map ssh names to internal values.
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
127 * 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
128 * 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
129
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 algo_type sshciphers[] = {
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
131 #ifdef DROPBEAR_ENABLE_CTR_MODE
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
132 #ifdef DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
133 {"aes128-ctr", 0, &dropbear_aes128, 1, &dropbear_mode_ctr},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
134 #endif
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
135 #ifdef DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
136 {"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
137 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
138 #ifdef DROPBEAR_AES256
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
139 {"aes256-ctr", 0, &dropbear_aes256, 1, &dropbear_mode_ctr},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
140 #endif
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
141 #endif /* DROPBEAR_ENABLE_CTR_MODE */
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
142
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
143 /* CBC modes are always enabled */
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
144 #ifdef DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
145 {"aes128-cbc", 0, &dropbear_aes128, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
146 #endif
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
147 #ifdef DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
148 {"3des-cbc", 0, &dropbear_3des, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
149 #endif
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
150 #ifdef DROPBEAR_AES256
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
151 {"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
152 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
153 #ifdef DROPBEAR_TWOFISH256
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
154 {"twofish256-cbc", 0, &dropbear_twofish256, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
155 {"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
156 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
157 #ifdef DROPBEAR_TWOFISH128
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
158 {"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
159 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
160 #ifdef DROPBEAR_BLOWFISH
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
161 {"blowfish-cbc", 0, &dropbear_blowfish, 1, &dropbear_mode_cbc},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
162 #endif
252
29afa62b5450 - a hack for grahame to run dropbear with "none" cipher.
Matt Johnston <matt@ucc.asn.au>
parents: 238
diff changeset
163 #ifdef DROPBEAR_NONE_CIPHER
512
0129fd8ccc71 Update nocrypto branch to current head
Matt Johnston <matt@ucc.asn.au>
parents: 511
diff changeset
164 {"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
165 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
166 {NULL, 0, NULL, 0, NULL}
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 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
170 #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
171 // {"hmac-sha2-256", 0, &dropbear_sha2_256, 1, NULL},
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
172 #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
173 #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
174 // {"hmac-sha2-512", 0, &dropbear_sha2_512, 1, NULL},
03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
175 #endif
228
5e4110bb753a - Fixed twofish algorithm naming so it actually works.
Matt Johnston <matt@ucc.asn.au>
parents: 227
diff changeset
176 #ifdef DROPBEAR_SHA1_96_HMAC
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
177 {"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
178 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 #ifdef DROPBEAR_SHA1_HMAC
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
180 {"hmac-sha1", 0, &dropbear_sha1, 1, NULL},
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 #ifdef DROPBEAR_MD5_HMAC
681
a4b7627b3157 Update insecure-nocrypto to current head
Matt Johnston <matt@ucc.asn.au>
parents: 679 512
diff changeset
183 {"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
184 #endif
252
29afa62b5450 - a hack for grahame to run dropbear with "none" cipher.
Matt Johnston <matt@ucc.asn.au>
parents: 238
diff changeset
185 #ifdef DROPBEAR_NONE_INTEGRITY
681
a4b7627b3157 Update insecure-nocrypto to current head
Matt Johnston <matt@ucc.asn.au>
parents: 679 512
diff changeset
186 {"none", 0, (void*)&dropbear_nohash, 1, NULL},
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
188 {NULL, 0, NULL, 0, NULL}
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 #ifndef DISABLE_ZLIB
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 543
diff changeset
192 algo_type ssh_compress[] = {
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
193 {"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
194 {"[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
195 {"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 543
diff changeset
196 {NULL, 0, NULL, 0, NULL}
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 543
diff changeset
197 };
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 #endif
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 543
diff changeset
199
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 543
diff changeset
200 algo_type ssh_nocompress[] = {
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
201 {"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
202 {NULL, 0, NULL, 0, NULL}
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 algo_type sshhostkey[] = {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 #ifdef DROPBEAR_RSA
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
207 {"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
208 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 #ifdef DROPBEAR_DSS
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
210 {"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
211 #endif
502
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 sshkex[] = {
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
216 {"diffie-hellman-group1-sha1", DROPBEAR_KEX_DH_GROUP1, NULL, 1, NULL},
595
2895626d864f Add diffie-hellman-group14-sha1 KEX method
Matt Johnston <matt@ucc.asn.au>
parents: 594
diff changeset
217 {"diffie-hellman-group14-sha1", DROPBEAR_KEX_DH_GROUP14, NULL, 1, NULL},
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
218 {NULL, 0, NULL, 0, NULL}
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 /* Register the compiled in ciphers.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 * 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
224 void crypto_init() {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225
194
e972be139cb5 Switching to libtomcrypt 1.02
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
226 const struct ltc_cipher_descriptor *regciphers[] = {
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
227 #ifdef DROPBEAR_AES
150
82fcf3185616 Cleaning out various dead wood found with -dead_strip
Matt Johnston <matt@ucc.asn.au>
parents: 74
diff changeset
228 &aes_desc,
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
230 #ifdef DROPBEAR_BLOWFISH
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231 &blowfish_desc,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
233 #ifdef DROPBEAR_TWOFISH
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 &twofish_desc,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 #endif
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
236 #ifdef DROPBEAR_3DES
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 &des3_desc,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 NULL
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241
194
e972be139cb5 Switching to libtomcrypt 1.02
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
242 const struct ltc_hash_descriptor *reghashes[] = {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 /* we need sha1 for hostkey stuff regardless */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 &sha1_desc,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
245 #ifdef DROPBEAR_MD5_HMAC
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 &md5_desc,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 NULL
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
249 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 int i;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 for (i = 0; regciphers[i] != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 if (register_cipher(regciphers[i]) == -1) {
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
254 dropbear_exit("Error registering crypto");
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 }
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 for (i = 0; reghashes[i] != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 if (register_hash(reghashes[i]) == -1) {
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
260 dropbear_exit("Error registering crypto");
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265 /* 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
266 * against.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267 * 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
268 * otherwise */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
269 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
270
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 int i;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
272
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
273 for (i = 0; algos[i].name != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
274 if (strlen(algos[i].name) == algolen
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
275 && (strncmp(algos[i].name, algo, algolen) == 0)) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
276 return DROPBEAR_SUCCESS;
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 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
279
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 return DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
281 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
282
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
283 /* 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
284 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
285
238
e923801a7678 use a buffer rather than raw char array for creating
Matt Johnston <matt@ucc.asn.au>
parents: 237
diff changeset
286 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
287 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
288 buffer *algolist = NULL;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
289
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
290 algolist = buf_new(160);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
291 for (i = 0; localalgos[i].name != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 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
293 if (donefirst)
e923801a7678 use a buffer rather than raw char array for creating
Matt Johnston <matt@ucc.asn.au>
parents: 237
diff changeset
294 buf_putbyte(algolist, ',');
e923801a7678 use a buffer rather than raw char array for creating
Matt Johnston <matt@ucc.asn.au>
parents: 237
diff changeset
295 donefirst = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
296 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
297 buf_putbytes(algolist, localalgos[i].name, len);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
298 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
299 }
238
e923801a7678 use a buffer rather than raw char array for creating
Matt Johnston <matt@ucc.asn.au>
parents: 237
diff changeset
300 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
301 buf_free(algolist);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
302 }
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
303
686
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
304 #ifdef DROPBEAR_NONE_CIPHER
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
305
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
306 void
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
307 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
308 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
309 algo_type *a;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
310 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
311 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
312 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
313 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
314 a->usable = usable;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
315 return;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
316 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
317 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
318 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
319
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
320 int
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
321 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
322 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
323 algo_type *a;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
324 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
325 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
326 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
327 {
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
328 return a->usable;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
329 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
330 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
331 return 0;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
332 }
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
333
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
334 #endif // DROPBEAR_NONE_CIPHER
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
335
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
336 #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
337
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
338 char *
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
339 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
340 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
341 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
342 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
343 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
344 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
345 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
346 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
347 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
348 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
349 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
350 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
351
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
352 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
353 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
354 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
355 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
356 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
357 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
358 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
359 {
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
360 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
361 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
362 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
363
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
364 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
365 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
366
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
367 static void
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
368 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
369 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
370 {
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
371 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
372 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
373 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
374 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
375 return;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
376 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
377
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
378 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
379 (*num_ret)++;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
380 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
381
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
382 /* 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
383 * 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
384 * 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
385 int
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
386 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
387 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
388 {
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
389 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
390 /* 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
391 * 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
392 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
393 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
394 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
395 char *c;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
396 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
397 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
398 if (*c == ',')
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
399 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
400 *c = '\0';
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
401 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
402 c++;
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 684
diff changeset
403 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
404 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
405 }
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
406 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
407 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
408
683
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
409 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
410
63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
411 /* 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
412 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
413 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
414 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 595
diff changeset
415 #endif // ENABLE_USER_ALGO_LIST