45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Copyright (c) @CompanyNameMagicTag 2012-2020. All rights reserved.
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* Description: the head File of sha256
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* Author: @CompanyNameTag
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* Create: 2012-12-22
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*/
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#ifndef SHA256_H
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#define SHA256_H
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#include <stdint.h>
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#include "std_def.h"
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#define SHA256_HASH_SIZE 32
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/* Hash size in 32-bit words */
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#define SHA256_HASH_WORDS 8
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#define SHA256_BUFFER_WORDS 16
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#define SHA256_BUFFER_BYTES 64
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struct _sha256_context {
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uint64_t total_length;
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uint32_t hash[SHA256_HASH_WORDS];
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uint32_t buffer_length;
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union {
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uint32_t words[SHA256_BUFFER_WORDS];
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uint8_t bytes[SHA256_BUFFER_BYTES];
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} buffer;
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#ifdef RUNTIME_ENDIAN
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int little_endian;
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#endif /* RUNTIME_ENDIAN */
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};
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typedef struct _sha256_context sha256_context_t;
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void sha256_init(sha256_context_t *sc);
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void SHA256Update(sha256_context_t *sc, const void *vdata, uint32_t len);
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void sha256_final(sha256_context_t *sc, uint8_t hash[SHA256_HASH_SIZE], uint32_t hash_len);
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void sha256_hash(const uint8_t *in_buff, uint32_t in_buff_len, uint8_t *out_buff, uint32_t out_buff_len);
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#endif
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