| /* $Id: openssl-compat.h,v 1.10 2007/06/14 13:47:31 dtucker Exp $ */ |
| |
| /* |
| * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au> |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
| * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
| * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include "includes.h" |
| #include <openssl/evp.h> |
| |
| #if OPENSSL_VERSION_NUMBER < 0x00906000L |
| # define SSH_OLD_EVP |
| # define EVP_CIPHER_CTX_get_app_data(e) ((e)->app_data) |
| #endif |
| |
| #if (OPENSSL_VERSION_NUMBER < 0x00907000L) || defined(OPENSSL_LOBOTOMISED_AES) |
| # define USE_BUILTIN_RIJNDAEL |
| #endif |
| |
| #ifdef USE_BUILTIN_RIJNDAEL |
| # include "rijndael.h" |
| # define AES_KEY rijndael_ctx |
| # define AES_BLOCK_SIZE 16 |
| # define AES_encrypt(a, b, c) rijndael_encrypt(c, a, b) |
| # define AES_set_encrypt_key(a, b, c) rijndael_set_key(c, (char *)a, b, 1) |
| # define EVP_aes_128_cbc evp_rijndael |
| # define EVP_aes_192_cbc evp_rijndael |
| # define EVP_aes_256_cbc evp_rijndael |
| extern const EVP_CIPHER *evp_rijndael(void); |
| extern void ssh_rijndael_iv(EVP_CIPHER_CTX *, int, u_char *, u_int); |
| #endif |
| |
| #if !defined(EVP_CTRL_SET_ACSS_MODE) |
| # if (OPENSSL_VERSION_NUMBER >= 0x00907000L) |
| # define USE_CIPHER_ACSS 1 |
| extern const EVP_CIPHER *evp_acss(void); |
| # define EVP_acss evp_acss |
| # else |
| # define EVP_acss NULL |
| # endif |
| #endif |
| |
| /* OpenSSL 0.9.8e returns cipher key len not context key len */ |
| #if (OPENSSL_VERSION_NUMBER == 0x0090805fL) |
| # define EVP_CIPHER_CTX_key_length(c) ((c)->key_len) |
| #endif |
| |
| /* |
| * We overload some of the OpenSSL crypto functions with ssh_* equivalents |
| * which cater for older and/or less featureful OpenSSL version. |
| * |
| * In order for the compat library to call the real functions, it must |
| * define SSH_DONT_OVERLOAD_OPENSSL_FUNCS before including this file and |
| * implement the ssh_* equivalents. |
| */ |
| #ifndef SSH_DONT_OVERLOAD_OPENSSL_FUNCS |
| |
| # ifdef SSH_OLD_EVP |
| # ifdef EVP_Cipher |
| # undef EVP_Cipher |
| # endif |
| # define EVP_CipherInit(a,b,c,d,e) ssh_EVP_CipherInit((a),(b),(c),(d),(e)) |
| # define EVP_Cipher(a,b,c,d) ssh_EVP_Cipher((a),(b),(c),(d)) |
| # define EVP_CIPHER_CTX_cleanup(a) ssh_EVP_CIPHER_CTX_cleanup((a)) |
| # endif /* SSH_OLD_EVP */ |
| |
| # ifdef USE_OPENSSL_ENGINE |
| # ifdef SSLeay_add_all_algorithms |
| # undef SSLeay_add_all_algorithms |
| # endif |
| # define SSLeay_add_all_algorithms() ssh_SSLeay_add_all_algorithms() |
| #endif |
| |
| int ssh_EVP_CipherInit(EVP_CIPHER_CTX *, const EVP_CIPHER *, unsigned char *, |
| unsigned char *, int); |
| int ssh_EVP_Cipher(EVP_CIPHER_CTX *, char *, char *, int); |
| int ssh_EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *); |
| void ssh_SSLeay_add_all_algorithms(void); |
| #endif /* SSH_DONT_OVERLOAD_OPENSSL_FUNCS */ |