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libssh2
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libssh2-1.6.0
src/openssl.h
190 строк
6 KB
Hannes Domani
kex: fix libgcrypt memory leaks of bignum
03 апр 2015, 19:39
03 апр 2015, 19:39
09c5e59
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/* Copyright (C) 2009, 2010 Simon Josefsson * Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved. * * Author: Simon Josefsson * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the copyright holder nor the names * of any other contributors may be used to endorse or * promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ #include <openssl/opensslconf.h> #include <openssl/sha.h> #ifndef OPENSSL_NO_MD5 #include <openssl/md5.h> #endif #include <openssl/evp.h> #include <openssl/hmac.h> #include <openssl/bn.h> #include <openssl/pem.h> #include <openssl/rand.h> #ifdef OPENSSL_NO_RSA # define LIBSSH2_RSA 0 #else # define LIBSSH2_RSA 1 #endif #ifdef OPENSSL_NO_DSA # define LIBSSH2_DSA 0 #else # define LIBSSH2_DSA 1 #endif #ifdef OPENSSL_NO_MD5 # define LIBSSH2_MD5 0 #else # define LIBSSH2_MD5 1 #endif #ifdef OPENSSL_NO_RIPEMD # define LIBSSH2_HMAC_RIPEMD 0 #else # define LIBSSH2_HMAC_RIPEMD 1 #endif #if OPENSSL_VERSION_NUMBER >= 0x00907000L && !defined(OPENSSL_NO_AES) # define LIBSSH2_AES_CTR 1 # define LIBSSH2_AES 1 #else # define LIBSSH2_AES_CTR 0 # define LIBSSH2_AES 0 #endif #ifdef OPENSSL_NO_BF # define LIBSSH2_BLOWFISH 0 #else # define LIBSSH2_BLOWFISH 1 #endif #ifdef OPENSSL_NO_RC4 # define LIBSSH2_RC4 0 #else # define LIBSSH2_RC4 1 #endif #ifdef OPENSSL_NO_CAST # define LIBSSH2_CAST 0 #else # define LIBSSH2_CAST 1 #endif #ifdef OPENSSL_NO_DES # define LIBSSH2_3DES 0 #else # define LIBSSH2_3DES 1 #endif #define _libssh2_random(buf, len) RAND_bytes ((buf), (len)) #define libssh2_sha1_ctx EVP_MD_CTX /* returns 0 in case of failure */ int libssh2_sha1_init(libssh2_sha1_ctx *ctx); #define libssh2_sha1_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len) #define libssh2_sha1_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL) void libssh2_sha1(const unsigned char *message, unsigned long len, unsigned char *out); #define libssh2_md5_ctx EVP_MD_CTX /* returns 0 in case of failure */ int libssh2_md5_init(libssh2_md5_ctx *); #define libssh2_md5_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len) #define libssh2_md5_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL) void libssh2_md5(const unsigned char *message, unsigned long len, unsigned char *out); #define libssh2_hmac_ctx HMAC_CTX #define libssh2_hmac_ctx_init(ctx) \ HMAC_CTX_init(&ctx) #define libssh2_hmac_sha1_init(ctx, key, keylen) \ HMAC_Init(ctx, key, keylen, EVP_sha1()) #define libssh2_hmac_md5_init(ctx, key, keylen) \ HMAC_Init(ctx, key, keylen, EVP_md5()) #define libssh2_hmac_ripemd160_init(ctx, key, keylen) \ HMAC_Init(ctx, key, keylen, EVP_ripemd160()) #define libssh2_hmac_update(ctx, data, datalen) \ HMAC_Update(&(ctx), data, datalen) #define libssh2_hmac_final(ctx, data) HMAC_Final(&(ctx), data, NULL) #define libssh2_hmac_cleanup(ctx) HMAC_cleanup(ctx) #define libssh2_crypto_init() OpenSSL_add_all_algorithms() #define libssh2_crypto_exit() #define libssh2_rsa_ctx RSA #define _libssh2_rsa_free(rsactx) RSA_free(rsactx) #define libssh2_dsa_ctx DSA #define _libssh2_dsa_free(dsactx) DSA_free(dsactx) #define _libssh2_cipher_type(name) const EVP_CIPHER *(*name)(void) #define _libssh2_cipher_ctx EVP_CIPHER_CTX #define _libssh2_cipher_aes256 EVP_aes_256_cbc #define _libssh2_cipher_aes192 EVP_aes_192_cbc #define _libssh2_cipher_aes128 EVP_aes_128_cbc #ifdef HAVE_EVP_AES_128_CTR #define _libssh2_cipher_aes128ctr EVP_aes_128_ctr #define _libssh2_cipher_aes192ctr EVP_aes_192_ctr #define _libssh2_cipher_aes256ctr EVP_aes_256_ctr #else #define _libssh2_cipher_aes128ctr _libssh2_EVP_aes_128_ctr #define _libssh2_cipher_aes192ctr _libssh2_EVP_aes_192_ctr #define _libssh2_cipher_aes256ctr _libssh2_EVP_aes_256_ctr #endif #define _libssh2_cipher_blowfish EVP_bf_cbc #define _libssh2_cipher_arcfour EVP_rc4 #define _libssh2_cipher_cast5 EVP_cast5_cbc #define _libssh2_cipher_3des EVP_des_ede3_cbc #define _libssh2_cipher_dtor(ctx) EVP_CIPHER_CTX_cleanup(ctx) #define _libssh2_bn BIGNUM #define _libssh2_bn_ctx BN_CTX #define _libssh2_bn_ctx_new() BN_CTX_new() #define _libssh2_bn_ctx_free(bnctx) BN_CTX_free(bnctx) #define _libssh2_bn_init() BN_new() #define _libssh2_bn_init_from_bin() _libssh2_bn_init() #define _libssh2_bn_rand(bn, bits, top, bottom) BN_rand(bn, bits, top, bottom) #define _libssh2_bn_mod_exp(r, a, p, m, ctx) BN_mod_exp(r, a, p, m, ctx) #define _libssh2_bn_set_word(bn, val) BN_set_word(bn, val) #define _libssh2_bn_from_bin(bn, len, val) BN_bin2bn(val, len, bn) #define _libssh2_bn_to_bin(bn, val) BN_bn2bin(bn, val) #define _libssh2_bn_bytes(bn) BN_num_bytes(bn) #define _libssh2_bn_bits(bn) BN_num_bits(bn) #define _libssh2_bn_free(bn) BN_clear_free(bn) const EVP_CIPHER *_libssh2_EVP_aes_128_ctr(void); const EVP_CIPHER *_libssh2_EVP_aes_192_ctr(void); const EVP_CIPHER *_libssh2_EVP_aes_256_ctr(void);