/*
 *  Off-the-Record Messaging Toolkit
 *  Copyright (C) 2004-2012  Ian Goldberg, Chris Alexander, Nikita Borisov
 *                           <otr@cypherpunks.ca>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of version 2 of the GNU General Public License as
 *  published by the Free Software Foundation.
 *
 *  This program 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 program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef __SHA1HMAC_H__
#define __SHA1HMAC_H__

/* Implementation of SHA1-HMAC.  We're rolling our own just to
 * double-check that the calls libotr makes to libgcrypt are in fact
 * doing the right thing. */
void sha1hmac(unsigned char digest[20], unsigned char key[20],
	unsigned char *data, size_t datalen);

#endif