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libssh/include/libssh/libcrypto.h
Aris Adamantiadis db9da99a36 bignum: Make bignum_free safer
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2018-07-05 14:35:13 +02:00

94 lines
2.8 KiB
C

/*
* This file is part of the SSH Library
*
* Copyright (c) 2009 by Aris Adamantiadis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LIBCRYPTO_H_
#define LIBCRYPTO_H_
#include "config.h"
#ifdef HAVE_LIBCRYPTO
#include <openssl/dsa.h>
#include <openssl/rsa.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
#include <openssl/hmac.h>
#include <openssl/evp.h>
typedef EVP_MD_CTX* SHACTX;
typedef EVP_MD_CTX* SHA256CTX;
typedef EVP_MD_CTX* SHA384CTX;
typedef EVP_MD_CTX* SHA512CTX;
typedef EVP_MD_CTX* MD5CTX;
typedef HMAC_CTX* HMACCTX;
#ifdef HAVE_ECC
typedef EVP_MD_CTX *EVPCTX;
#else
typedef void *EVPCTX;
#endif
#define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
#define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
#define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
#ifdef MD5_DIGEST_LEN
#undef MD5_DIGEST_LEN
#endif
#define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
#ifdef HAVE_OPENSSL_ECC
#define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
#endif
#include <openssl/bn.h>
#include <openssl/opensslv.h>
#define OPENSSL_0_9_7b 0x0090702fL
#if (OPENSSL_VERSION_NUMBER <= OPENSSL_0_9_7b)
#define BROKEN_AES_CTR
#endif
typedef BIGNUM* bignum;
typedef BN_CTX* bignum_CTX;
#define bignum_new() BN_new()
#define bignum_safe_free(num) do { \
if ((num) != NULL) { \
BN_clear_free((num)); \
(num)=NULL; \
} \
} while(0)
#define bignum_set_word(bn,n) BN_set_word(bn,n)
#define bignum_bin2bn(bn,datalen,data) BN_bin2bn(bn,datalen,data)
#define bignum_bn2dec(num) BN_bn2dec(num)
#define bignum_dec2bn(bn,data) BN_dec2bn(data,bn)
#define bignum_bn2hex(num) BN_bn2hex(num)
#define bignum_rand(rnd, bits) BN_rand(rnd, bits, 0, 1)
#define bignum_ctx_new() BN_CTX_new()
#define bignum_ctx_free(num) BN_CTX_free(num)
#define bignum_mod_exp(dest,generator,exp,modulo,ctx) BN_mod_exp(dest,generator,exp,modulo,ctx)
#define bignum_num_bytes(num) BN_num_bytes(num)
#define bignum_num_bits(num) BN_num_bits(num)
#define bignum_is_bit_set(num,bit) BN_is_bit_set(num,bit)
#define bignum_bn2bin(num,ptr) BN_bn2bin(num,ptr)
#define bignum_cmp(num1,num2) BN_cmp(num1,num2)
#endif /* HAVE_LIBCRYPTO */
#endif /* LIBCRYPTO_H_ */