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 75