1/* 2 * rfbcrypto_gnutls.c - Crypto wrapper (gnutls version) 3 */ 4 5/* 6 * Copyright (C) 2011 Gernot Tenchio 7 * 8 * This is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This software is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this software; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 21 * USA. 22 */ 23 24#include <string.h> 25#include <gcrypt.h> 26#include "rfbcrypto.h" 27 28void digestmd5(const struct iovec *iov, int iovcnt, void *dest) 29{ 30 gcry_md_hd_t c; 31 int i; 32 33 gcry_md_open(&c, GCRY_MD_MD5, 0); 34 for (i = 0; i < iovcnt; i++) 35 gcry_md_write(c, iov[i].iov_base, iov[i].iov_len); 36 gcry_md_final(c); 37 memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_MD5)); 38} 39 40void digestsha1(const struct iovec *iov, int iovcnt, void *dest) 41{ 42 gcry_md_hd_t c; 43 int i; 44 45 gcry_md_open(&c, GCRY_MD_SHA1, 0); 46 for (i = 0; i < iovcnt; i++) 47 gcry_md_write(c, iov[i].iov_base, iov[i].iov_len); 48 gcry_md_final(c); 49 memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_SHA1)); 50} 51