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100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*
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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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*/
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#ifndef __SHA2_H__
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#define __SHA2_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Import u_intXX_t size_t type definitions from system headers. You
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* may need to change this, or define these things yourself in this
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* file.
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*/
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#include <r_types.h>
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/*** SHA-256/384/512 Various Length Definitions ***********************/
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#define r_SHA256_BLOCK_LENGTH 64
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#define r_SHA256_DIGEST_LENGTH 32
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#define r_SHA256_DIGEST_STRING_LENGTH (r_SHA256_DIGEST_LENGTH * 2 + 1)
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#define r_SHA384_BLOCK_LENGTH 128
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#define r_SHA384_DIGEST_LENGTH 48
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#define r_SHA384_DIGEST_STRING_LENGTH (r_SHA384_DIGEST_LENGTH * 2 + 1)
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#define r_SHA512_BLOCK_LENGTH 128
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#define r_SHA512_DIGEST_LENGTH 64
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#define r_SHA512_DIGEST_STRING_LENGTH (r_SHA512_DIGEST_LENGTH * 2 + 1)
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/*** SHA-256/384/512 Context Structures *******************************/
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/* NOTE: If your architecture does not define either u_intXX_t types or
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* uintXX_t (from inttypes.h), you may need to define things by hand
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* for your system:
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*/
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#ifndef u_int8_t
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#define u_int8_t unsigned char
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#define u_int32_t unsigned int
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#define u_int64_t unsigned long long
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#endif
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/*** SHA-256/384/512 Function Prototypes ******************************/
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void r_SHA256_Init(R_SHA256_CTX *);
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void r_SHA256_Update(R_SHA256_CTX*, const ut8*, size_t);
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void r_SHA256_Final(ut8[r_SHA256_DIGEST_LENGTH], R_SHA256_CTX*);
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char* r_SHA256_End(R_SHA256_CTX*, char[r_SHA256_DIGEST_STRING_LENGTH]);
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char* r_SHA256_Data(const ut8*, size_t, char[r_SHA256_DIGEST_STRING_LENGTH]);
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void r_SHA384_Init(R_SHA384_CTX*);
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void r_SHA384_Update(R_SHA384_CTX*, const ut8*, size_t);
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void r_SHA384_Final(ut8[r_SHA384_DIGEST_LENGTH], R_SHA384_CTX*);
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char* r_SHA384_End(R_SHA384_CTX*, char[r_SHA384_DIGEST_STRING_LENGTH]);
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char* r_SHA384_Data(const ut8*, size_t, char[r_SHA384_DIGEST_STRING_LENGTH]);
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void r_SHA512_Init(R_SHA512_CTX*);
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void r_SHA512_Update(R_SHA512_CTX*, const ut8*, size_t);
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void r_SHA512_Final(ut8[r_SHA512_DIGEST_LENGTH], R_SHA512_CTX*);
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char* r_SHA512_End(R_SHA512_CTX*, char[r_SHA512_DIGEST_STRING_LENGTH]);
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char* r_SHA512_Data(const ut8*, size_t, char[r_SHA512_DIGEST_STRING_LENGTH]);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __r_SHA2_H__ */
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