1 /* $NetBSD: crypto.h,v 1.3 2011/02/11 23:44:43 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Mateusz Kocielski. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _CRYPTO_H_ 40 #define _CRYPTO_H_ 41 42 /* hmac md5 digest length in ascii format */ 43 #define HMAC_MD5_DIGEST_LENGTH 32 44 45 /* nonce/random functions */ 46 char *saslc__crypto_nonce(size_t); 47 48 /* encoding functions */ 49 int saslc__crypto_decode_base64(const char *, size_t, void **, size_t *); 50 int saslc__crypto_encode_base64(const void *, size_t, char **, size_t *); 51 char *saslc__crypto_hash_to_hex(const uint8_t *); 52 53 /* hashing functions */ 54 void saslc__crypto_md5_hash(const char *, size_t, unsigned char *); 55 char *saslc__crypto_md5_hex(const char *, size_t); 56 int saslc__crypto_hmac_md5_hash(const unsigned char *, size_t, 57 const unsigned char *, size_t, unsigned char *); 58 char *saslc__crypto_hmac_md5_hex(const unsigned char *, size_t, 59 const unsigned char *, size_t); 60 61 #endif /* ! _CRYPTO_H_ */ 62