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90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/*
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* Copyright 2014-2023 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_SM3_H
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#define GMSSL_SM3_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 SM3_DIGEST_SIZE 32
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#define SM3_BLOCK_SIZE 64
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#define SM3_STATE_WORDS 8
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typedef struct {
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uint32_t digest[SM3_STATE_WORDS];
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uint64_t nblocks;
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uint8_t block[SM3_BLOCK_SIZE];
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size_t num;
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} SM3_CTX;
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void sm3_compress_blocks(uint32_t digest[8], const uint8_t *data, size_t blocks);
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void sm3_init(SM3_CTX *ctx);
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void sm3_update(SM3_CTX *ctx, const uint8_t *data, size_t datalen);
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void sm3_finish(SM3_CTX *ctx, uint8_t dgst[SM3_DIGEST_SIZE]);
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#define SM3_HMAC_SIZE (SM3_DIGEST_SIZE)
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typedef struct {
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SM3_CTX sm3_ctx;
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uint8_t key[SM3_BLOCK_SIZE];
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} SM3_HMAC_CTX;
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void sm3_hmac_init(SM3_HMAC_CTX *ctx, const uint8_t *key, size_t keylen);
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void sm3_hmac_update(SM3_HMAC_CTX *ctx, const uint8_t *data, size_t datalen);
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void sm3_hmac_finish(SM3_HMAC_CTX *ctx, uint8_t mac[SM3_HMAC_SIZE]);
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typedef struct {
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SM3_CTX sm3_ctx;
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size_t outlen;
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} SM3_KDF_CTX;
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void sm3_kdf_init(SM3_KDF_CTX *ctx, size_t outlen);
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void sm3_kdf_update(SM3_KDF_CTX *ctx, const uint8_t *in, size_t inlen);
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void sm3_kdf_finish(SM3_KDF_CTX *ctx, uint8_t *out);
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#define SM3_PBKDF2_MIN_ITER 10000
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#define SM3_PBKDF2_MAX_ITER (16777216-1)
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#define SM3_PBKDF2_MAX_SALT_SIZE 64
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#define SM3_PBKDF2_DEFAULT_SALT_SIZE 8
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int sm3_pbkdf2(const char *pass, size_t passlen,
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const uint8_t *salt, size_t saltlen, size_t count,
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size_t outlen, uint8_t *out);
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typedef struct {
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union {
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SM3_CTX sm3_ctx;
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SM3_HMAC_CTX hmac_ctx;
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};
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int state;
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} SM3_DIGEST_CTX;
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int sm3_digest_init(SM3_DIGEST_CTX *ctx, const uint8_t *key, size_t keylen);
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int sm3_digest_update(SM3_DIGEST_CTX *ctx, const uint8_t *data, size_t datalen);
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int sm3_digest_finish(SM3_DIGEST_CTX *ctx, uint8_t dgst[SM3_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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