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/* $NetBSD: crypto.h,v 1.3 2011/02/11 23:44:43 christos Exp $ */
/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Mateusz Kocielski.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _CRYPTO_H_
#define _CRYPTO_H_
/* hmac md5 digest length in ascii format */
#define HMAC_MD5_DIGEST_LENGTH 32
/* nonce/random functions */
char *saslc__crypto_nonce(size_t);
/* encoding functions */
int saslc__crypto_decode_base64(const char *, size_t, void **, size_t *);
int saslc__crypto_encode_base64(const void *, size_t, char **, size_t *);
char *saslc__crypto_hash_to_hex(const uint8_t *);
/* hashing functions */
void saslc__crypto_md5_hash(const char *, size_t, unsigned char *);
char *saslc__crypto_md5_hex(const char *, size_t);
int saslc__crypto_hmac_md5_hash(const unsigned char *, size_t,
const unsigned char *, size_t, unsigned char *);
char *saslc__crypto_hmac_md5_hex(const unsigned char *, size_t,
const unsigned char *, size_t);
#endif /* ! _CRYPTO_H_ */
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