1 /* $NetBSD: hmacmd5.h,v 1.5 2014/12/10 04:38:00 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004-2007, 2009, 2014 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000, 2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: hmacmd5.h,v 1.14 2009/02/06 23:47:42 tbox Exp */ 21 22 /*! \file isc/hmacmd5.h 23 * \brief This is the header file for the HMAC-MD5 keyed hash algorithm 24 * described in RFC2104. 25 */ 26 27 #ifndef ISC_HMACMD5_H 28 #define ISC_HMACMD5_H 1 29 30 #include <isc/lang.h> 31 #include <isc/md5.h> 32 #include <isc/platform.h> 33 #include <isc/types.h> 34 35 #define ISC_HMACMD5_KEYLENGTH 64 36 37 #ifdef ISC_PLATFORM_OPENSSLHASH 38 #include <openssl/hmac.h> 39 40 typedef HMAC_CTX isc_hmacmd5_t; 41 42 #elif PKCS11CRYPTO 43 #include <pk11/pk11.h> 44 45 typedef pk11_context_t isc_hmacmd5_t; 46 47 #else 48 49 typedef struct { 50 isc_md5_t md5ctx; 51 unsigned char key[ISC_HMACMD5_KEYLENGTH]; 52 } isc_hmacmd5_t; 53 #endif 54 55 ISC_LANG_BEGINDECLS 56 57 void 58 isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key, 59 unsigned int len); 60 61 void 62 isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx); 63 64 void 65 isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf, 66 unsigned int len); 67 68 void 69 isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest); 70 71 isc_boolean_t 72 isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest); 73 74 isc_boolean_t 75 isc_hmacmd5_verify2(isc_hmacmd5_t *ctx, unsigned char *digest, size_t len); 76 77 ISC_LANG_ENDDECLS 78 79 #endif /* ISC_HMACMD5_H */ 80