hmacmd5.h revision 290001
1/* 2 * Copyright (C) 2004-2007, 2009 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 1.14 2009/02/06 23:47:42 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/platform.h> 31#include <isc/types.h> 32 33#define ISC_HMACMD5_KEYLENGTH 64 34 35#ifdef ISC_PLATFORM_OPENSSLHASH 36#include <openssl/hmac.h> 37 38typedef HMAC_CTX isc_hmacmd5_t; 39 40#else 41 42typedef struct { 43 isc_md5_t md5ctx; 44 unsigned char key[ISC_HMACMD5_KEYLENGTH]; 45} isc_hmacmd5_t; 46#endif 47 48ISC_LANG_BEGINDECLS 49 50void 51isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key, 52 unsigned int len); 53 54void 55isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx); 56 57void 58isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf, 59 unsigned int len); 60 61void 62isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest); 63 64isc_boolean_t 65isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest); 66 67isc_boolean_t 68isc_hmacmd5_verify2(isc_hmacmd5_t *ctx, unsigned char *digest, size_t len); 69 70ISC_LANG_ENDDECLS 71 72#endif /* ISC_HMACMD5_H */ 73