1 /* $NetBSD: sha1.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 #ifndef ISC_SHA1_H 21 #define ISC_SHA1_H 1 22 23 /* Id: sha1.h,v 1.19 2009/02/06 23:47:42 tbox Exp */ 24 25 /* NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp */ 26 27 /*! \file isc/sha1.h 28 * \brief SHA-1 in C 29 * \author By Steve Reid <steve@edmweb.com> 30 * \note 100% Public Domain 31 */ 32 33 #include <isc/lang.h> 34 #include <isc/platform.h> 35 #include <isc/types.h> 36 37 #define ISC_SHA1_DIGESTLENGTH 20U 38 #define ISC_SHA1_BLOCK_LENGTH 64U 39 40 #ifdef ISC_PLATFORM_OPENSSLHASH 41 #include <openssl/evp.h> 42 43 typedef EVP_MD_CTX isc_sha1_t; 44 45 #elif PKCS11CRYPTO 46 #include <pk11/pk11.h> 47 48 typedef pk11_context_t isc_sha1_t; 49 50 #else 51 52 typedef struct { 53 isc_uint32_t state[5]; 54 isc_uint32_t count[2]; 55 unsigned char buffer[ISC_SHA1_BLOCK_LENGTH]; 56 } isc_sha1_t; 57 #endif 58 59 ISC_LANG_BEGINDECLS 60 61 void 62 isc_sha1_init(isc_sha1_t *ctx); 63 64 void 65 isc_sha1_invalidate(isc_sha1_t *ctx); 66 67 void 68 isc_sha1_update(isc_sha1_t *ctx, const unsigned char *data, unsigned int len); 69 70 void 71 isc_sha1_final(isc_sha1_t *ctx, unsigned char *digest); 72 73 ISC_LANG_ENDDECLS 74 75 #endif /* ISC_SHA1_H */ 76