| /* $Id: openssl-compat.h,v 1.30 2014/08/29 16:30:30 djm 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/opensslv.h> |
| #include <openssl/evp.h> |
| #include <openssl/rsa.h> |
| #include <openssl/dsa.h> |
| |
| int ssh_compatible_openssl(long, long); |
| |
| #if (OPENSSL_VERSION_NUMBER <= 0x0090805fL) |
| #error OpenSSL 0.9.8f or greater is required |
| #endif |
| |
| #if OPENSSL_VERSION_NUMBER < 0x10000001L |
| # define LIBCRYPTO_EVP_INL_TYPE unsigned int |
| #else |
| # define LIBCRYPTO_EVP_INL_TYPE size_t |
| #endif |
| |
| #ifndef OPENSSL_RSA_MAX_MODULUS_BITS |
| # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 |
| #endif |
| #ifndef OPENSSL_DSA_MAX_MODULUS_BITS |
| # define OPENSSL_DSA_MAX_MODULUS_BITS 10000 |
| #endif |
| |
| #ifndef OPENSSL_HAVE_EVPCTR |
| #define EVP_aes_128_ctr evp_aes_128_ctr |
| #define EVP_aes_192_ctr evp_aes_128_ctr |
| #define EVP_aes_256_ctr evp_aes_128_ctr |
| const EVP_CIPHER *evp_aes_128_ctr(void); |
| void ssh_aes_ctr_iv(EVP_CIPHER_CTX *, int, u_char *, size_t); |
| #endif |
| |
| /* Avoid some #ifdef. Code that uses these is unreachable without GCM */ |
| #if !defined(OPENSSL_HAVE_EVPGCM) && !defined(EVP_CTRL_GCM_SET_IV_FIXED) |
| # define EVP_CTRL_GCM_SET_IV_FIXED -1 |
| # define EVP_CTRL_GCM_IV_GEN -1 |
| # define EVP_CTRL_GCM_SET_TAG -1 |
| # define EVP_CTRL_GCM_GET_TAG -1 |
| #endif |
| |
| /* Replace missing EVP_CIPHER_CTX_ctrl() with something that returns failure */ |
| #ifndef HAVE_EVP_CIPHER_CTX_CTRL |
| # ifdef OPENSSL_HAVE_EVPGCM |
| # error AES-GCM enabled without EVP_CIPHER_CTX_ctrl /* shouldn't happen */ |
| # else |
| # define EVP_CIPHER_CTX_ctrl(a,b,c,d) (0) |
| # endif |
| #endif |
| |
| /* |
| * We overload some of the OpenSSL crypto functions with ssh_* equivalents |
| * to automatically handle OpenSSL engine initialisation. |
| * |
| * 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 USE_OPENSSL_ENGINE |
| # ifdef OpenSSL_add_all_algorithms |
| # undef OpenSSL_add_all_algorithms |
| # endif |
| # define OpenSSL_add_all_algorithms() ssh_OpenSSL_add_all_algorithms() |
| # endif |
| |
| void ssh_OpenSSL_add_all_algorithms(void); |
| |
| #endif /* SSH_DONT_OVERLOAD_OPENSSL_FUNCS */ |
| |