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117 lines
4.6 KiB
117 lines
4.6 KiB
/**
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* Copyright (c) 2000-2001 Aaron D. Gifford
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* Copyright (c) 2013-2014 Pavol Rusnak
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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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#ifndef __SHA2_H__
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#define __SHA2_H__
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#include <stdint.h>
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#include <stddef.h>
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#define SHA1_BLOCK_LENGTH 64
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#define SHA1_DIGEST_LENGTH 20
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#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
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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 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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typedef struct _SHA1_CTX {
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uint32_t state[5];
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uint64_t bitcount;
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uint32_t buffer[SHA1_BLOCK_LENGTH/sizeof(uint32_t)];
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} SHA1_CTX;
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typedef struct _SHA256_CTX {
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uint32_t state[8];
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uint64_t bitcount;
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uint32_t buffer[SHA256_BLOCK_LENGTH/sizeof(uint32_t)];
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} SHA256_CTX;
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typedef struct _SHA512_CTX {
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uint64_t state[8];
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uint64_t bitcount[2];
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uint64_t buffer[SHA512_BLOCK_LENGTH/sizeof(uint64_t)];
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} SHA512_CTX;
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/*** ENDIAN REVERSAL MACROS *******************************************/
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#ifndef LITTLE_ENDIAN
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#define LITTLE_ENDIAN 1234
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#define BIG_ENDIAN 4321
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#endif
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#ifndef BYTE_ORDER
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#define BYTE_ORDER LITTLE_ENDIAN
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#endif
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define REVERSE32(w,x) { \
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uint32_t tmp = (w); \
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tmp = (tmp >> 16) | (tmp << 16); \
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(x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
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}
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#define REVERSE64(w,x) { \
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uint64_t tmp = (w); \
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tmp = (tmp >> 32) | (tmp << 32); \
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tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
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((tmp & 0x00ff00ff00ff00ffULL) << 8); \
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(x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
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((tmp & 0x0000ffff0000ffffULL) << 16); \
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}
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#endif /* BYTE_ORDER == LITTLE_ENDIAN */
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extern const uint32_t sha256_initial_hash_value[8];
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extern const uint64_t sha512_initial_hash_value[8];
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void sha1_Transform(const uint32_t* state_in, const uint32_t* data, uint32_t* state_out);
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void sha1_Init(SHA1_CTX *);
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void sha1_Update(SHA1_CTX*, const uint8_t*, size_t);
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void sha1_Final(SHA1_CTX*, uint8_t[SHA1_DIGEST_LENGTH]);
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char* sha1_End(SHA1_CTX*, char[SHA1_DIGEST_STRING_LENGTH]);
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void sha1_Raw(const uint8_t*, size_t, uint8_t[SHA1_DIGEST_LENGTH]);
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char* sha1_Data(const uint8_t*, size_t, char[SHA1_DIGEST_STRING_LENGTH]);
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void sha256_Transform(const uint32_t* state_in, const uint32_t* data, uint32_t* state_out);
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void sha256_Init(SHA256_CTX *);
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void sha256_Update(SHA256_CTX*, const uint8_t*, size_t);
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void sha256_Final(SHA256_CTX*, uint8_t[SHA256_DIGEST_LENGTH]);
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char* sha256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
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void sha256_Raw(const uint8_t*, size_t, uint8_t[SHA256_DIGEST_LENGTH]);
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char* sha256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
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void sha512_Transform(const uint64_t* state_in, const uint64_t* data, uint64_t* state_out);
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void sha512_Init(SHA512_CTX*);
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void sha512_Update(SHA512_CTX*, const uint8_t*, size_t);
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void sha512_Final(SHA512_CTX*, uint8_t[SHA512_DIGEST_LENGTH]);
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char* sha512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
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void sha512_Raw(const uint8_t*, size_t, uint8_t[SHA512_DIGEST_LENGTH]);
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char* sha512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
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#endif
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