libssh: libcrypto.h Source File

libssh 0.10.6 The SSH library

Loading...
Searching...
No Matches
libcrypto.h
1/*
2 * This file is part of the SSH Library
3 *
4 * Copyright (c) 2009 by Aris Adamantiadis
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef LIBCRYPTO_H_
22#define LIBCRYPTO_H_
23
24#include "config.h"
25
26#ifdef HAVE_LIBCRYPTO
27
28#include <openssl/dsa.h>
29#include <openssl/rsa.h>
30#include <openssl/sha.h>
31#include <openssl/md5.h>
32#include <openssl/hmac.h>
33#include <openssl/evp.h>
34#include <openssl/crypto.h>
35
36typedef EVP_MD_CTX* SHACTX;
37typedef EVP_MD_CTX* SHA256CTX;
38typedef EVP_MD_CTX* SHA384CTX;
39typedef EVP_MD_CTX* SHA512CTX;
40typedef EVP_MD_CTX* MD5CTX;
41typedef EVP_MD_CTX* HMACCTX;
42
43#define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
44#define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
45#define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
46#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
47#ifdef MD5_DIGEST_LEN
48 #undef MD5_DIGEST_LEN
49#endif
50#define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
51
52#ifdef HAVE_OPENSSL_ECC
53#define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
54#endif
55
56#include <openssl/bn.h>
57#include <openssl/opensslv.h>
58typedef BIGNUM* bignum;
59typedef const BIGNUM* const_bignum;
60typedef BN_CTX* bignum_CTX;
61
62#define bignum_new() BN_new()
63#define bignum_safe_free(num) do { \
64 if ((num) != NULL) { \
65 BN_clear_free((num)); \
66 (num)=NULL; \
67 } \
68 } while(0)
69#define bignum_set_word(bn,n) BN_set_word(bn,n)
70#define bignum_bin2bn(data, datalen, dest) \
71 do { \
72 (*dest) = BN_new(); \
73 if ((*dest) != NULL) { \
74 BN_bin2bn(data,datalen,(*dest)); \
75 } \
76 } while(0)
77#define bignum_bn2dec(num) BN_bn2dec(num)
78#define bignum_dec2bn(data, bn) BN_dec2bn(bn, data)
79#define bignum_hex2bn(data, bn) BN_hex2bn(bn, data)
80#define bignum_bn2hex(num, dest) (*dest)=(unsigned char *)BN_bn2hex(num)
81#define bignum_rand(rnd, bits) BN_rand(rnd, bits, 0, 1)
82#define bignum_rand_range(rnd, max) BN_rand_range(rnd, max)
83#define bignum_ctx_new() BN_CTX_new()
84#define bignum_ctx_free(num) BN_CTX_free(num)
85#define bignum_ctx_invalid(ctx) ((ctx) == NULL)
86#define bignum_mod_exp(dest,generator,exp,modulo,ctx) BN_mod_exp(dest,generator,exp,modulo,ctx)
87#define bignum_add(dest, a, b) BN_add(dest, a, b)
88#define bignum_sub(dest, a, b) BN_sub(dest, a, b)
89#define bignum_mod(dest, a, b, ctx) BN_mod(dest, a, b, ctx)
90#define bignum_num_bytes(num) (size_t)BN_num_bytes(num)
91#define bignum_num_bits(num) (size_t)BN_num_bits(num)
92#define bignum_is_bit_set(num,bit) BN_is_bit_set(num, (int)bit)
93#define bignum_bn2bin(num,len, ptr) BN_bn2bin(num, ptr)
94#define bignum_cmp(num1,num2) BN_cmp(num1,num2)
95#define bignum_rshift1(dest, src) BN_rshift1(dest, src)
96#define bignum_dup(orig, dest) do { \
97 if (*(dest) == NULL) { \
98 *(dest) = BN_dup(orig); \
99 } else { \
100 BN_copy(*(dest), orig); \
101 } \
102 } while(0)
103
104
105/* Returns true if the OpenSSL is operating in FIPS mode */
106#ifdef HAVE_OPENSSL_FIPS_MODE
107#define ssh_fips_mode() (FIPS_mode() != 0)
108#elif OPENSSL_VERSION_NUMBER >= 0x30000000L
109#define ssh_fips_mode() EVP_default_properties_is_fips_enabled(NULL)
110#else
111#define ssh_fips_mode() false
112#endif
113
114#endif /* HAVE_LIBCRYPTO */
115
116#endif /* LIBCRYPTO_H_ */