Shared TDE VNC library sources
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libtdevnc/common/rfbcrypto_gnutls.c

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1.5 KiB

/*
* rfbcrypto_gnutls.c - Crypto wrapper (gnutls version)
*/
/*
* Copyright (C) 2011 Gernot Tenchio
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <string.h>
#include <gcrypt.h>
#include "rfbcrypto.h"
void digestmd5(const struct iovec *iov, int iovcnt, void *dest)
{
gcry_md_hd_t c;
int i;
gcry_md_open(&c, GCRY_MD_MD5, 0);
for (i = 0; i < iovcnt; i++)
gcry_md_write(c, iov[i].iov_base, iov[i].iov_len);
gcry_md_final(c);
memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_MD5));
}
void digestsha1(const struct iovec *iov, int iovcnt, void *dest)
{
gcry_md_hd_t c;
int i;
gcry_md_open(&c, GCRY_MD_SHA1, 0);
for (i = 0; i < iovcnt; i++)
gcry_md_write(c, iov[i].iov_base, iov[i].iov_len);
gcry_md_final(c);
memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_SHA1));
}