85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/****************************************************************************
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* include/crypto/sha2.h
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* $OpenBSD: sha2.h,v 1.5 2014/11/16 17:39:09 tedu Exp $
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*
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* FILE: sha2.h
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* AUTHOR: Aaron D. Gifford <me@aarongifford.com>
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*
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* Copyright (c) 2000-2001, Aaron D. Gifford
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
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****************************************************************************/
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#ifndef __INCLUDE_CRYPTO_SHA2_H
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#define __INCLUDE_CRYPTO_SHA2_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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/* SHA-256/384/512 Various Length Definitions */
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#define SHA256_BLOCK_LENGTH 64
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#define SHA256_DIGEST_LENGTH 32
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#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
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#define SHA384_BLOCK_LENGTH 128
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#define SHA384_DIGEST_LENGTH 48
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#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
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#define SHA512_BLOCK_LENGTH 128
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#define SHA512_DIGEST_LENGTH 64
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#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
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/* SHA-256/384/512 Context Structure */
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typedef struct _SHA2_CTX
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{
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union
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{
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uint32_t st32[8];
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uint64_t st64[8];
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} state;
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uint64_t bitcount[2];
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uint8_t buffer[SHA512_BLOCK_LENGTH];
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} SHA2_CTX;
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void sha256init(FAR SHA2_CTX *);
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void sha256update(FAR SHA2_CTX *, FAR const void *, size_t);
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void sha256final(FAR uint8_t *, FAR SHA2_CTX *);
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void sha384init(FAR SHA2_CTX *);
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void sha384update(FAR SHA2_CTX *, FAR const void *, size_t);
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void sha384final(FAR uint8_t *, FAR SHA2_CTX *);
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void sha512init(FAR SHA2_CTX *);
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void sha512update(FAR SHA2_CTX *, FAR const void *, size_t);
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void sha512final(FAR uint8_t *, FAR SHA2_CTX *);
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#endif /* __INCLUDE_CRYPTO_SHA2_H */
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