46 lines
955 B
C
46 lines
955 B
C
/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_SHA1_H
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#define GMSSL_SHA1_H
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#include <string.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SHA1_IS_BIG_ENDIAN 1
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#define SHA1_DIGEST_SIZE 20
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#define SHA1_BLOCK_SIZE 64
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#define SHA1_STATE_WORDS (SHA1_DIGEST_SIZE/sizeof(uint32_t))
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typedef struct {
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uint32_t state[SHA1_STATE_WORDS];
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uint64_t nblocks;
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uint8_t block[SHA1_BLOCK_SIZE];
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size_t num;
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} SHA1_CTX;
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void sha1_init(SHA1_CTX *ctx);
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void sha1_update(SHA1_CTX *ctx, const uint8_t *data, size_t datalen);
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void sha1_finish(SHA1_CTX *ctx, uint8_t dgst[SHA1_DIGEST_SIZE]);
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void sha1_digest(const uint8_t *data, size_t datalen, uint8_t dgst[SHA1_DIGEST_SIZE]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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