libssh 0.5.4
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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 LIBGCRYPT_H_ 00023 #define LIBGCRYPT_H_ 00024 00025 #include "config.h" 00026 00027 #ifdef HAVE_LIBGCRYPT 00028 00029 #include <gcrypt.h> 00030 typedef gcry_md_hd_t SHACTX; 00031 typedef gcry_md_hd_t MD5CTX; 00032 typedef gcry_md_hd_t HMACCTX; 00033 #define SHA_DIGEST_LEN 20 00034 #define MD5_DIGEST_LEN 16 00035 #define EVP_MAX_MD_SIZE 36 00036 00037 typedef gcry_mpi_t bignum; 00038 00039 #define bignum_new() gcry_mpi_new(0) 00040 #define bignum_free(num) gcry_mpi_release(num) 00041 #define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n) 00042 #define bignum_bin2bn(bn,datalen,data) gcry_mpi_scan(data,GCRYMPI_FMT_USG,bn,datalen,NULL) 00043 #define bignum_bn2dec(num) my_gcry_bn2dec(num) 00044 #define bignum_dec2bn(num, data) my_gcry_dec2bn(data, num) 00045 #define bignum_bn2hex(num,data) gcry_mpi_aprint(GCRYMPI_FMT_HEX,data,NULL,num) 00046 #define bignum_hex2bn(num,datalen,data) gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,datalen,NULL) 00047 #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) 00048 #define bignum_mod_exp(dest,generator,exp,modulo) gcry_mpi_powm(dest,generator,exp,modulo) 00049 #define bignum_num_bits(num) gcry_mpi_get_nbits(num) 00050 #define bignum_num_bytes(num) ((gcry_mpi_get_nbits(num)+7)/8) 00051 #define bignum_is_bit_set(num,bit) gcry_mpi_test_bit(num,bit) 00052 #define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num) 00053 #define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2) 00054 00055 00056 #endif /* HAVE_LIBGCRYPT */ 00057 00058 struct crypto_struct *ssh_get_ciphertab(void); 00059 00060 #endif /* LIBGCRYPT_H_ */