xref: /freebsd/crypto/openssh/openbsd-compat/openssl-compat.h (revision 021d409f5beb1827f72d24f171e3c3ed233ed62a)
1021d409fSDag-Erling Smørgrav /* $Id: openssl-compat.h,v 1.3 2005/12/19 06:40:40 dtucker Exp $ */
2043840dfSDag-Erling Smørgrav 
3043840dfSDag-Erling Smørgrav /*
4043840dfSDag-Erling Smørgrav  * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
5043840dfSDag-Erling Smørgrav  *
6043840dfSDag-Erling Smørgrav  * Permission to use, copy, modify, and distribute this software for any
7043840dfSDag-Erling Smørgrav  * purpose with or without fee is hereby granted, provided that the above
8043840dfSDag-Erling Smørgrav  * copyright notice and this permission notice appear in all copies.
9043840dfSDag-Erling Smørgrav  *
10043840dfSDag-Erling Smørgrav  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11043840dfSDag-Erling Smørgrav  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12043840dfSDag-Erling Smørgrav  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13043840dfSDag-Erling Smørgrav  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14043840dfSDag-Erling Smørgrav  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15043840dfSDag-Erling Smørgrav  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16043840dfSDag-Erling Smørgrav  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17043840dfSDag-Erling Smørgrav  */
18043840dfSDag-Erling Smørgrav 
19043840dfSDag-Erling Smørgrav #include "includes.h"
20043840dfSDag-Erling Smørgrav #include <openssl/evp.h>
21043840dfSDag-Erling Smørgrav 
22043840dfSDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x00906000L
23043840dfSDag-Erling Smørgrav # define SSH_OLD_EVP
24043840dfSDag-Erling Smørgrav # define EVP_CIPHER_CTX_get_app_data(e)		((e)->app_data)
25043840dfSDag-Erling Smørgrav #endif
26043840dfSDag-Erling Smørgrav 
27021d409fSDag-Erling Smørgrav #if (OPENSSL_VERSION_NUMBER < 0x00907000L) || defined(OPENSSL_LOBOTOMISED_AES)
28021d409fSDag-Erling Smørgrav # define USE_BUILTIN_RIJNDAEL
29021d409fSDag-Erling Smørgrav #endif
30021d409fSDag-Erling Smørgrav 
31021d409fSDag-Erling Smørgrav #ifdef USE_BUILTIN_RIJNDAEL
32043840dfSDag-Erling Smørgrav # define EVP_aes_128_cbc evp_rijndael
33043840dfSDag-Erling Smørgrav # define EVP_aes_192_cbc evp_rijndael
34043840dfSDag-Erling Smørgrav # define EVP_aes_256_cbc evp_rijndael
35043840dfSDag-Erling Smørgrav extern const EVP_CIPHER *evp_rijndael(void);
36043840dfSDag-Erling Smørgrav extern void ssh_rijndael_iv(EVP_CIPHER_CTX *, int, u_char *, u_int);
37043840dfSDag-Erling Smørgrav #endif
38043840dfSDag-Erling Smørgrav 
39043840dfSDag-Erling Smørgrav #if !defined(EVP_CTRL_SET_ACSS_MODE)
40043840dfSDag-Erling Smørgrav # if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
41043840dfSDag-Erling Smørgrav #  define USE_CIPHER_ACSS 1
42043840dfSDag-Erling Smørgrav extern const EVP_CIPHER *evp_acss(void);
43043840dfSDag-Erling Smørgrav #  define EVP_acss evp_acss
44043840dfSDag-Erling Smørgrav # else
45043840dfSDag-Erling Smørgrav #  define EVP_acss NULL
46043840dfSDag-Erling Smørgrav # endif
47043840dfSDag-Erling Smørgrav #endif
48043840dfSDag-Erling Smørgrav 
49043840dfSDag-Erling Smørgrav /*
50021d409fSDag-Erling Smørgrav  * We overload some of the OpenSSL crypto functions with ssh_* equivalents
51021d409fSDag-Erling Smørgrav  * which cater for older and/or less featureful OpenSSL version.
52021d409fSDag-Erling Smørgrav  *
53021d409fSDag-Erling Smørgrav  * In order for the compat library to call the real functions, it must
54021d409fSDag-Erling Smørgrav  * define SSH_DONT_OVERLOAD_OPENSSL_FUNCS before including this file and
55021d409fSDag-Erling Smørgrav  * implement the ssh_* equivalents.
56043840dfSDag-Erling Smørgrav  */
57043840dfSDag-Erling Smørgrav #ifdef SSH_OLD_EVP
58043840dfSDag-Erling Smørgrav 
59043840dfSDag-Erling Smørgrav # ifndef SSH_DONT_REDEF_EVP
60043840dfSDag-Erling Smørgrav 
61043840dfSDag-Erling Smørgrav #  ifdef EVP_Cipher
62043840dfSDag-Erling Smørgrav #   undef EVP_Cipher
63043840dfSDag-Erling Smørgrav #  endif
64043840dfSDag-Erling Smørgrav 
65043840dfSDag-Erling Smørgrav #  define EVP_CipherInit(a,b,c,d,e)	ssh_EVP_CipherInit((a),(b),(c),(d),(e))
66043840dfSDag-Erling Smørgrav #  define EVP_Cipher(a,b,c,d)		ssh_EVP_Cipher((a),(b),(c),(d))
67043840dfSDag-Erling Smørgrav #  define EVP_CIPHER_CTX_cleanup(a)	ssh_EVP_CIPHER_CTX_cleanup((a))
68043840dfSDag-Erling Smørgrav # endif
69043840dfSDag-Erling Smørgrav 
70043840dfSDag-Erling Smørgrav int ssh_EVP_CipherInit(EVP_CIPHER_CTX *, const EVP_CIPHER *, unsigned char *,
71043840dfSDag-Erling Smørgrav     unsigned char *, int);
72043840dfSDag-Erling Smørgrav int ssh_EVP_Cipher(EVP_CIPHER_CTX *, char *, char *, int);
73043840dfSDag-Erling Smørgrav int ssh_EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *);
74043840dfSDag-Erling Smørgrav #endif
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