1 /* 2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14 * PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef ISC_SHA1_H 18 #define ISC_SHA1_H 1 19 20 /* $Id: sha1.h,v 1.6 2020/02/25 05:00:43 jsg Exp $ */ 21 22 /* $NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp $ */ 23 24 /*! \file isc/sha1.h 25 * \brief SHA-1 in C 26 * \author By Steve Reid <steve@edmweb.com> 27 * \note 100% Public Domain 28 */ 29 30 #define ISC_SHA1_DIGESTLENGTH 20U 31 #define ISC_SHA1_BLOCK_LENGTH 64U 32 33 #include <openssl/evp.h> 34 35 typedef struct { 36 EVP_MD_CTX *ctx; 37 } isc_sha1_t; 38 39 void 40 isc_sha1_init(isc_sha1_t *ctx); 41 42 void 43 isc_sha1_update(isc_sha1_t *ctx, const unsigned char *data, unsigned int len); 44 45 void 46 isc_sha1_final(isc_sha1_t *ctx, unsigned char *digest); 47 48 #endif /* ISC_SHA1_H */ 49