1/* 2 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000, 2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: hmacmd5.h,v 1.12 2007/06/19 23:47:18 tbox Exp $ */ 19 20/*! \file isc/hmacmd5.h 21 * \brief This is the header file for the HMAC-MD5 keyed hash algorithm 22 * described in RFC2104. 23 */ 24 25#ifndef ISC_HMACMD5_H 26#define ISC_HMACMD5_H 1 27 28#include <isc/lang.h> 29#include <isc/md5.h> 30#include <isc/types.h> 31 32#define ISC_HMACMD5_KEYLENGTH 64 33 34typedef struct { 35 isc_md5_t md5ctx; 36 unsigned char key[ISC_HMACMD5_KEYLENGTH]; 37} isc_hmacmd5_t; 38 39ISC_LANG_BEGINDECLS 40 41void 42isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key, 43 unsigned int len); 44 45void 46isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx); 47 48void 49isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf, 50 unsigned int len); 51 52void 53isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest); 54 55isc_boolean_t 56isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest); 57 58isc_boolean_t 59isc_hmacmd5_verify2(isc_hmacmd5_t *ctx, unsigned char *digest, size_t len); 60 61ISC_LANG_ENDDECLS 62 63#endif /* ISC_HMACMD5_H */ 64