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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GMSSL_SHA2_H
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#define GMSSL_SHA2_H
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#include <string.h>
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#include <stdint.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SHA2_IS_BIG_ENDIAN 1
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#define SHA224_DIGEST_SIZE 28
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#define SHA224_BLOCK_SIZE 64
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#define SHA224_STATE_WORDS 8
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typedef struct {
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uint32_t state[SHA224_STATE_WORDS];
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uint64_t nblocks;
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unsigned char block[SHA224_BLOCK_SIZE];
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int num;
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} SHA224_CTX;
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void sha224_init(SHA224_CTX *ctx);
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void sha224_update(SHA224_CTX *ctx, const unsigned char* data, size_t datalen);
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void sha224_finish(SHA224_CTX *ctx, unsigned char dgst[SHA224_DIGEST_SIZE]);
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void sha224_digest(const unsigned char *data, size_t datalen,
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unsigned char dgst[SHA224_DIGEST_SIZE]);
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#define SHA256_DIGEST_SIZE 32
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#define SHA256_BLOCK_SIZE 64
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#define SHA256_STATE_WORDS 8
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typedef struct {
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uint32_t state[8];
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uint64_t nblocks;
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unsigned char block[64];
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int num;
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} SHA256_CTX;
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void sha256_init(SHA256_CTX *ctx);
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void sha256_update(SHA256_CTX *ctx, const unsigned char* data, size_t datalen);
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void sha256_finish(SHA256_CTX *ctx, unsigned char dgst[SHA256_DIGEST_SIZE]);
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void sha256_digest(const unsigned char *data, size_t datalen,
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unsigned char dgst[SHA256_DIGEST_SIZE]);
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#define SHA384_DIGEST_SIZE 48
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#define SHA384_BLOCK_SIZE 128
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#define SHA384_STATE_WORDS 8
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typedef struct {
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uint64_t state[8];
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uint64_t nblocks;
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unsigned char block[128];
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int num;
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} SHA384_CTX;
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void sha384_init(SHA384_CTX *ctx);
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void sha384_update(SHA384_CTX *ctx, const unsigned char* data, size_t datalen);
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void sha384_finish(SHA384_CTX *ctx, unsigned char dgst[SHA384_DIGEST_SIZE]);
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void sha384_digest(const unsigned char *data, size_t datalen,
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unsigned char dgst[SHA384_DIGEST_SIZE]);
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#define SHA512_DIGEST_SIZE 64
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#define SHA512_BLOCK_SIZE 128
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#define SHA512_STATE_WORDS 8
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typedef struct {
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uint64_t state[8];
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uint64_t nblocks;
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unsigned char block[128];
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int num;
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} SHA512_CTX;
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void sha512_init(SHA512_CTX *ctx);
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void sha512_update(SHA512_CTX *ctx, const unsigned char* data, size_t datalen);
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void sha512_finish(SHA512_CTX *ctx, unsigned char dgst[SHA512_DIGEST_SIZE]);
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void sha512_digest(const unsigned char *data, size_t datalen,
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unsigned char dgst[SHA512_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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