libssh  0.7.3
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 #ifdef HAVE_OPENSSL_ECC
34 #include <openssl/evp.h>
35 #endif
36 
37 typedef SHA_CTX* SHACTX;
38 typedef SHA256_CTX* SHA256CTX;
39 typedef SHA512_CTX* SHA384CTX;
40 typedef SHA512_CTX* SHA512CTX;
41 typedef MD5_CTX* MD5CTX;
42 typedef HMAC_CTX* HMACCTX;
43 #ifdef HAVE_ECC
44 typedef EVP_MD_CTX *EVPCTX;
45 #else
46 typedef void *EVPCTX;
47 #endif
48 
49 #define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
50 #define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
51 #define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
52 #define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
53 #ifdef MD5_DIGEST_LEN
54  #undef MD5_DIGEST_LEN
55 #endif
56 #define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
57 
58 #ifdef HAVE_OPENSSL_ECC
59 #define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
60 #endif
61 
62 #include <openssl/bn.h>
63 #include <openssl/opensslv.h>
64 #define OPENSSL_0_9_7b 0x0090702fL
65 #if (OPENSSL_VERSION_NUMBER <= OPENSSL_0_9_7b)
66 #define BROKEN_AES_CTR
67 #endif
68 typedef BIGNUM* bignum;
69 typedef BN_CTX* bignum_CTX;
70 
71 #define bignum_new() BN_new()
72 #define bignum_free(num) BN_clear_free(num)
73 #define bignum_set_word(bn,n) BN_set_word(bn,n)
74 #define bignum_bin2bn(bn,datalen,data) BN_bin2bn(bn,datalen,data)
75 #define bignum_bn2dec(num) BN_bn2dec(num)
76 #define bignum_dec2bn(bn,data) BN_dec2bn(data,bn)
77 #define bignum_bn2hex(num) BN_bn2hex(num)
78 #define bignum_rand(rnd, bits, top, bottom) BN_rand(rnd,bits,top,bottom)
79 #define bignum_ctx_new() BN_CTX_new()
80 #define bignum_ctx_free(num) BN_CTX_free(num)
81 #define bignum_mod_exp(dest,generator,exp,modulo,ctx) BN_mod_exp(dest,generator,exp,modulo,ctx)
82 #define bignum_num_bytes(num) BN_num_bytes(num)
83 #define bignum_num_bits(num) BN_num_bits(num)
84 #define bignum_is_bit_set(num,bit) BN_is_bit_set(num,bit)
85 #define bignum_bn2bin(num,ptr) BN_bn2bin(num,ptr)
86 #define bignum_cmp(num1,num2) BN_cmp(num1,num2)
87 
88 SHA256CTX sha256_init(void);
89 void sha256_update(SHA256CTX c, const void *data, unsigned long len);
90 void sha256_final(unsigned char *md, SHA256CTX c);
91 
92 SHA384CTX sha384_init(void);
93 void sha384_update(SHA384CTX c, const void *data, unsigned long len);
94 void sha384_final(unsigned char *md, SHA384CTX c);
95 
96 SHA512CTX sha512_init(void);
97 void sha512_update(SHA512CTX c, const void *data, unsigned long len);
98 void sha512_final(unsigned char *md, SHA512CTX c);
99 
100 struct ssh_cipher_struct *ssh_get_ciphertab(void);
101 
102 #endif /* HAVE_LIBCRYPTO */
103 
104 #endif /* LIBCRYPTO_H_ */