libssh 0.4.8
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00001 /* 00002 * This file is part of the SSH Library 00003 * 00004 * Copyright (c) 2009 by Aris Adamantiadis 00005 * 00006 * The SSH Library is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU Lesser General Public License as published by 00008 * the Free Software Foundation; either version 2.1 of the License, or (at your 00009 * option) any later version. 00010 * 00011 * The SSH Library is distributed in the hope that it will be useful, but 00012 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 00013 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00014 * License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public License 00017 * along with the SSH Library; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, 00019 * MA 02111-1307, USA. 00020 */ 00021 00022 #ifndef WRAPPER_H_ 00023 #define WRAPPER_H_ 00024 00025 #include "config.h" 00026 00027 #ifdef MD5_DIGEST_LEN 00028 #undef MD5_DIGEST_LEN 00029 #endif 00030 /* wrapper things */ 00031 #ifdef HAVE_LIBGCRYPT 00032 #include <gcrypt.h> 00033 typedef gcry_md_hd_t SHACTX; 00034 typedef gcry_md_hd_t MD5CTX; 00035 typedef gcry_md_hd_t HMACCTX; 00036 #define SHA_DIGEST_LEN 20 00037 #define MD5_DIGEST_LEN 16 00038 #define EVP_MAX_MD_SIZE 36 00039 00040 typedef gcry_mpi_t bignum; 00041 00042 #define bignum_new() gcry_mpi_new(0) 00043 #define bignum_free(num) gcry_mpi_release(num) 00044 #define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n) 00045 #define bignum_bin2bn(bn,datalen,data) gcry_mpi_scan(data,GCRYMPI_FMT_USG,bn,datalen,NULL) 00046 #define bignum_bn2dec(num) my_gcry_bn2dec(num) 00047 #define bignum_dec2bn(num, data) my_gcry_dec2bn(data, num) 00048 #define bignum_bn2hex(num,data) gcry_mpi_aprint(GCRYMPI_FMT_HEX,data,NULL,num) 00049 #define bignum_hex2bn(num,datalen,data) gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,datalen,NULL) 00050 #define bignum_rand(num,bits) gcry_mpi_randomize(num,bits,GCRY_STRONG_RANDOM),gcry_mpi_set_bit(num,bits-1),gcry_mpi_set_bit(num,0) 00051 #define bignum_mod_exp(dest,generator,exp,modulo) gcry_mpi_powm(dest,generator,exp,modulo) 00052 #define bignum_num_bits(num) gcry_mpi_get_nbits(num) 00053 #define bignum_num_bytes(num) ((gcry_mpi_get_nbits(num)+7)/8) 00054 #define bignum_is_bit_set(num,bit) gcry_mpi_test_bit(num,bit) 00055 #define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num) 00056 #define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2) 00057 00058 #elif defined HAVE_LIBCRYPTO 00059 00060 #include <openssl/dsa.h> 00061 #include <openssl/rsa.h> 00062 #include <openssl/sha.h> 00063 #include <openssl/md5.h> 00064 #include <openssl/hmac.h> 00065 typedef SHA_CTX* SHACTX; 00066 typedef MD5_CTX* MD5CTX; 00067 typedef HMAC_CTX* HMACCTX; 00068 00069 #define SHA_DIGEST_LEN SHA_DIGEST_LENGTH 00070 #define MD5_DIGEST_LEN MD5_DIGEST_LENGTH 00071 00072 #include <openssl/bn.h> 00073 #include <openssl/opensslv.h> 00074 #define OPENSSL_0_9_7b 0x0090702fL 00075 #if (OPENSSL_VERSION_NUMBER <= OPENSSL_0_9_7b) 00076 #define BROKEN_AES_CTR 00077 #endif 00078 typedef BIGNUM* bignum; 00079 typedef BN_CTX* bignum_CTX; 00080 00081 #define bignum_new() BN_new() 00082 #define bignum_free(num) BN_clear_free(num) 00083 #define bignum_set_word(bn,n) BN_set_word(bn,n) 00084 #define bignum_bin2bn(bn,datalen,data) BN_bin2bn(bn,datalen,data) 00085 #define bignum_bn2dec(num) BN_bn2dec(num) 00086 #define bignum_dec2bn(bn,data) BN_dec2bn(data,bn) 00087 #define bignum_bn2hex(num) BN_bn2hex(num) 00088 #define bignum_rand(rnd, bits, top, bottom) BN_rand(rnd,bits,top,bottom) 00089 #define bignum_ctx_new() BN_CTX_new() 00090 #define bignum_ctx_free(num) BN_CTX_free(num) 00091 #define bignum_mod_exp(dest,generator,exp,modulo,ctx) BN_mod_exp(dest,generator,exp,modulo,ctx) 00092 #define bignum_num_bytes(num) BN_num_bytes(num) 00093 #define bignum_num_bits(num) BN_num_bits(num) 00094 #define bignum_is_bit_set(num,bit) BN_is_bit_set(num,bit) 00095 #define bignum_bn2bin(num,ptr) BN_bn2bin(num,ptr) 00096 #define bignum_cmp(num1,num2) BN_cmp(num1,num2) 00097 00098 #endif /* OPENSSL_CRYPTO */ 00099 00100 MD5CTX md5_init(void); 00101 void md5_update(MD5CTX c, const void *data, unsigned long len); 00102 void md5_final(unsigned char *md,MD5CTX c); 00103 SHACTX sha1_init(void); 00104 void sha1_update(SHACTX c, const void *data, unsigned long len); 00105 void sha1_final(unsigned char *md,SHACTX c); 00106 void sha1(unsigned char *digest,int len,unsigned char *hash); 00107 #define HMAC_SHA1 1 00108 #define HMAC_MD5 2 00109 HMACCTX hmac_init(const void *key,int len,int type); 00110 void hmac_update(HMACCTX c, const void *data, unsigned long len); 00111 void hmac_final(HMACCTX ctx,unsigned char *hashmacbuf,unsigned int *len); 00112 00113 int crypt_set_algorithms(ssh_session ); 00114 int crypt_set_algorithms_server(ssh_session session); 00115 struct ssh_crypto_struct *crypto_new(void); 00116 void crypto_free(struct ssh_crypto_struct *crypto); 00117 00118 void ssh_reseed(void); 00119 00120 #endif /* WRAPPER_H_ */