libssh  0.7.2
include/libssh/libcrypto.h
00001 /*
00002  * This file is part of the SSH Library
00003  *
00004  * Copyright (c) 2009 by Aris Adamantiadis
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef LIBCRYPTO_H_
00022 #define LIBCRYPTO_H_
00023 
00024 #include "config.h"
00025 
00026 #ifdef HAVE_LIBCRYPTO
00027 
00028 #include <openssl/dsa.h>
00029 #include <openssl/rsa.h>
00030 #include <openssl/sha.h>
00031 #include <openssl/md5.h>
00032 #include <openssl/hmac.h>
00033 #ifdef HAVE_OPENSSL_ECC
00034 #include <openssl/evp.h>
00035 #endif
00036 
00037 typedef SHA_CTX* SHACTX;
00038 typedef SHA256_CTX* SHA256CTX;
00039 typedef SHA512_CTX* SHA384CTX;
00040 typedef SHA512_CTX* SHA512CTX;
00041 typedef MD5_CTX*  MD5CTX;
00042 typedef HMAC_CTX* HMACCTX;
00043 #ifdef HAVE_ECC
00044 typedef EVP_MD_CTX *EVPCTX;
00045 #else
00046 typedef void *EVPCTX;
00047 #endif
00048 
00049 #define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
00050 #define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
00051 #define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
00052 #define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
00053 #ifdef MD5_DIGEST_LEN
00054     #undef MD5_DIGEST_LEN
00055 #endif
00056 #define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
00057 
00058 #ifdef HAVE_OPENSSL_ECC
00059 #define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
00060 #endif
00061 
00062 #include <openssl/bn.h>
00063 #include <openssl/opensslv.h>
00064 #define OPENSSL_0_9_7b 0x0090702fL
00065 #if (OPENSSL_VERSION_NUMBER <= OPENSSL_0_9_7b)
00066 #define BROKEN_AES_CTR
00067 #endif
00068 typedef BIGNUM*  bignum;
00069 typedef BN_CTX* bignum_CTX;
00070 
00071 #define bignum_new() BN_new()
00072 #define bignum_free(num) BN_clear_free(num)
00073 #define bignum_set_word(bn,n) BN_set_word(bn,n)
00074 #define bignum_bin2bn(bn,datalen,data) BN_bin2bn(bn,datalen,data)
00075 #define bignum_bn2dec(num) BN_bn2dec(num)
00076 #define bignum_dec2bn(bn,data) BN_dec2bn(data,bn)
00077 #define bignum_bn2hex(num) BN_bn2hex(num)
00078 #define bignum_rand(rnd, bits, top, bottom) BN_rand(rnd,bits,top,bottom)
00079 #define bignum_ctx_new() BN_CTX_new()
00080 #define bignum_ctx_free(num) BN_CTX_free(num)
00081 #define bignum_mod_exp(dest,generator,exp,modulo,ctx) BN_mod_exp(dest,generator,exp,modulo,ctx)
00082 #define bignum_num_bytes(num) BN_num_bytes(num)
00083 #define bignum_num_bits(num) BN_num_bits(num)
00084 #define bignum_is_bit_set(num,bit) BN_is_bit_set(num,bit)
00085 #define bignum_bn2bin(num,ptr) BN_bn2bin(num,ptr)
00086 #define bignum_cmp(num1,num2) BN_cmp(num1,num2)
00087 
00088 SHA256CTX sha256_init(void);
00089 void sha256_update(SHA256CTX c, const void *data, unsigned long len);
00090 void sha256_final(unsigned char *md, SHA256CTX c);
00091 
00092 SHA384CTX sha384_init(void);
00093 void sha384_update(SHA384CTX c, const void *data, unsigned long len);
00094 void sha384_final(unsigned char *md, SHA384CTX c);
00095 
00096 SHA512CTX sha512_init(void);
00097 void sha512_update(SHA512CTX c, const void *data, unsigned long len);
00098 void sha512_final(unsigned char *md, SHA512CTX c);
00099 
00100 struct ssh_cipher_struct *ssh_get_ciphertab(void);
00101 
00102 #endif /* HAVE_LIBCRYPTO */
00103 
00104 #endif /* LIBCRYPTO_H_ */