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- /*
- * Copyright (C) 2005, 2006 Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
- /* $Id: sha2.h,v 1.2.2.6 2006/08/16 03:18:14 marka Exp $ */
-
- /* $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 <isc/lang.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)
-
-
- ISC_LANG_BEGINDECLS
-
- /*** SHA-256/384/512 Context Structures *******************************/
-
- /*
- * Keep buffer immediately after bitcount to preserve alignment.
- */
- typedef struct {
- isc_uint32_t state[8];
- isc_uint64_t bitcount;
- isc_uint8_t buffer[ISC_SHA256_BLOCK_LENGTH];
- } isc_sha256_t;
-
- /*
- * Keep buffer immediately after bitcount to preserve alignment.
- */
- typedef struct {
- isc_uint64_t state[8];
- isc_uint64_t bitcount[2];
- isc_uint8_t buffer[ISC_SHA512_BLOCK_LENGTH];
- } isc_sha512_t;
-
- typedef isc_sha256_t isc_sha224_t;
- typedef isc_sha512_t isc_sha384_t;
-
- /*** SHA-224/256/384/512 Function Prototypes ******************************/
-
- void isc_sha224_init (isc_sha224_t *);
- void isc_sha224_update (isc_sha224_t *, const isc_uint8_t *, size_t);
- void isc_sha224_final (isc_uint8_t[ISC_SHA224_DIGESTLENGTH], isc_sha224_t *);
- char *isc_sha224_end (isc_sha224_t *, char[ISC_SHA224_DIGESTSTRINGLENGTH]);
- char *isc_sha224_data (const isc_uint8_t *, size_t, char[ISC_SHA224_DIGESTSTRINGLENGTH]);
-
- void isc_sha256_init (isc_sha256_t *);
- void isc_sha256_update (isc_sha256_t *, const isc_uint8_t *, size_t);
- void isc_sha256_final (isc_uint8_t[ISC_SHA256_DIGESTLENGTH], isc_sha256_t *);
- char *isc_sha256_end (isc_sha256_t *, char[ISC_SHA256_DIGESTSTRINGLENGTH]);
- char *isc_sha256_data (const isc_uint8_t *, size_t, char[ISC_SHA256_DIGESTSTRINGLENGTH]);
-
- void isc_sha384_init (isc_sha384_t *);
- void isc_sha384_update (isc_sha384_t *, const isc_uint8_t *, size_t);
- void isc_sha384_final (isc_uint8_t[ISC_SHA384_DIGESTLENGTH], isc_sha384_t *);
- char *isc_sha384_end (isc_sha384_t *, char[ISC_SHA384_DIGESTSTRINGLENGTH]);
- char *isc_sha384_data (const isc_uint8_t *, size_t, char[ISC_SHA384_DIGESTSTRINGLENGTH]);
-
- void isc_sha512_init (isc_sha512_t *);
- void isc_sha512_update (isc_sha512_t *, const isc_uint8_t *, size_t);
- void isc_sha512_final (isc_uint8_t[ISC_SHA512_DIGESTLENGTH], isc_sha512_t *);
- char *isc_sha512_end (isc_sha512_t *, char[ISC_SHA512_DIGESTSTRINGLENGTH]);
- char *isc_sha512_data (const isc_uint8_t *, size_t, char[ISC_SHA512_DIGESTSTRINGLENGTH]);
-
- ISC_LANG_ENDDECLS
-
- #endif /* ISC_SHA2_H */
-