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sha2.h
/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /* $FreeBSD: src/sys/crypto/sha2/sha2.h,v 1.1.2.1 2001/07/03 11:01:36 ume Exp $ */ /* $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $ */ /* * sha2.h * * Version 1.0.0beta1 * * Written by Aaron D. Gifford <me@aarongifford.com> * * Copyright 2000 Aaron D. Gifford. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the names of contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef ISC_SHA2_H #define ISC_SHA2_H #include <inttypes.h> #include <isc/lang.h> #include <isc/platform.h> #include <isc/types.h> /*** SHA-224/256/384/512 Various Length Definitions ***********************/ #define ISC_SHA224_BLOCK_LENGTH 64U #define ISC_SHA224_DIGESTLENGTH 28U #define ISC_SHA224_DIGESTSTRINGLENGTH (ISC_SHA224_DIGESTLENGTH * 2 + 1) #define ISC_SHA256_BLOCK_LENGTH 64U #define ISC_SHA256_DIGESTLENGTH 32U #define ISC_SHA256_DIGESTSTRINGLENGTH (ISC_SHA256_DIGESTLENGTH * 2 + 1) #define ISC_SHA384_BLOCK_LENGTH 128 #define ISC_SHA384_DIGESTLENGTH 48U #define ISC_SHA384_DIGESTSTRINGLENGTH (ISC_SHA384_DIGESTLENGTH * 2 + 1) #define ISC_SHA512_BLOCK_LENGTH 128U #define ISC_SHA512_DIGESTLENGTH 64U #define ISC_SHA512_DIGESTSTRINGLENGTH (ISC_SHA512_DIGESTLENGTH * 2 + 1) /*** SHA-256/384/512 Context Structures *******************************/ #if defined(ISC_PLATFORM_OPENSSLHASH) #include <openssl/opensslv.h> #include <openssl/evp.h> #endif #if defined(ISC_PLATFORM_OPENSSLHASH) && !defined(LIBRESSL_VERSION_NUMBER) typedef struct { EVP_MD_CTX *ctx; #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) EVP_MD_CTX _ctx; #endif } isc_sha2_t; typedef isc_sha2_t isc_sha256_t; typedef isc_sha2_t isc_sha512_t; #elif PKCS11CRYPTO #include <pk11/pk11.h> typedef pk11_context_t isc_sha256_t; typedef pk11_context_t isc_sha512_t; #else /* * Keep buffer immediately after bitcount to preserve alignment. */ typedef struct { uint32_t state[8]; uint64_t bitcount; uint8_t buffer[ISC_SHA256_BLOCK_LENGTH]; } isc_sha256_t; /* * Keep buffer immediately after bitcount to preserve alignment. */ typedef struct { uint64_t state[8]; uint64_t bitcount[2]; uint8_t buffer[ISC_SHA512_BLOCK_LENGTH]; } isc_sha512_t; #endif typedef isc_sha256_t isc_sha224_t; typedef isc_sha512_t isc_sha384_t; ISC_LANG_BEGINDECLS /*** SHA-224/256/384/512 Function Prototypes ******************************/ void isc_sha224_init (isc_sha224_t *); void isc_sha224_invalidate (isc_sha224_t *); void isc_sha224_update (isc_sha224_t *, const uint8_t *, size_t); void isc_sha224_final (uint8_t[ISC_SHA224_DIGESTLENGTH], isc_sha224_t *); char *isc_sha224_end (isc_sha224_t *, char[ISC_SHA224_DIGESTSTRINGLENGTH]); char *isc_sha224_data (const uint8_t *, size_t, char[ISC_SHA224_DIGESTSTRINGLENGTH]); void isc_sha256_init (isc_sha256_t *); void isc_sha256_invalidate (isc_sha256_t *); void isc_sha256_update (isc_sha256_t *, const uint8_t *, size_t); void isc_sha256_final (uint8_t[ISC_SHA256_DIGESTLENGTH], isc_sha256_t *); char *isc_sha256_end (isc_sha256_t *, char[ISC_SHA256_DIGESTSTRINGLENGTH]); char *isc_sha256_data (const uint8_t *, size_t, char[ISC_SHA256_DIGESTSTRINGLENGTH]); void isc_sha384_init (isc_sha384_t *); void isc_sha384_invalidate (isc_sha384_t *); void isc_sha384_update (isc_sha384_t *, const uint8_t *, size_t); void isc_sha384_final (uint8_t[ISC_SHA384_DIGESTLENGTH], isc_sha384_t *); char *isc_sha384_end (isc_sha384_t *, char[ISC_SHA384_DIGESTSTRINGLENGTH]); char *isc_sha384_data (const uint8_t *, size_t, char[ISC_SHA384_DIGESTSTRINGLENGTH]); void isc_sha512_init (isc_sha512_t *); void isc_sha512_invalidate (isc_sha512_t *); void isc_sha512_update (isc_sha512_t *, const uint8_t *, size_t); void isc_sha512_final (uint8_t[ISC_SHA512_DIGESTLENGTH], isc_sha512_t *); char *isc_sha512_end (isc_sha512_t *, char[ISC_SHA512_DIGESTSTRINGLENGTH]); char *isc_sha512_data (const uint8_t *, size_t, char[ISC_SHA512_DIGESTSTRINGLENGTH]); ISC_LANG_ENDDECLS #endif /* ISC_SHA2_H */
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