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107 lines
2.9 KiB
C
107 lines
2.9 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_DIGEST_H
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#define GMSSL_DIGEST_H
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#include <stdint.h>
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#include <stdlib.h>
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#include <gmssl/sm3.h>
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#include <gmssl/md5.h>
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#include <gmssl/sha1.h>
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#include <gmssl/sha2.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct digest_st DIGEST;
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typedef struct digest_ctx_st DIGEST_CTX;
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#define DIGEST_MAX_SIZE 64
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#define DIGEST_MAX_BLOCK_SIZE (1024/8)
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struct digest_ctx_st {
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const DIGEST *digest;
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union {
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SM3_CTX sm3_ctx;
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MD5_CTX md5_ctx;
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SHA1_CTX sha1_ctx;
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SHA224_CTX sha224_ctx;
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SHA256_CTX sha256_ctx;
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SHA384_CTX sha384_ctx;
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SHA512_CTX sha512_ctx;
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} u;
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};
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struct digest_st {
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int nid;
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size_t digest_size;
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size_t block_size;
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size_t ctx_size;
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int (*init)(DIGEST_CTX *ctx);
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int (*update)(DIGEST_CTX *ctx, const unsigned char *data, size_t datalen);
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int (*finish)(DIGEST_CTX *ctx, unsigned char *dgst);
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};
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int digest_nid(const DIGEST *digest);
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const char *digest_name(const DIGEST *digest);
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size_t digest_size(const DIGEST *digest);
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size_t digest_block_size(const DIGEST *digest);
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const DIGEST *DIGEST_sm3(void);
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const DIGEST *DIGEST_md5(void);
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const DIGEST *DIGEST_sha1(void);
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const DIGEST *DIGEST_sha224(void);
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const DIGEST *DIGEST_sha256(void);
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const DIGEST *DIGEST_sha384(void);
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const DIGEST *DIGEST_sha512(void);
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const DIGEST *DIGEST_sha512_224(void);
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const DIGEST *DIGEST_sha512_256(void);
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const DIGEST *digest_from_name(const char *name);
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int digest_ctx_nid(const DIGEST_CTX *ctx);
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const char *digest_ctx_name(const DIGEST_CTX *ctx);
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size_t digest_ctx_size(const DIGEST_CTX *ctx);
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size_t digest_ctx_block_size(const DIGEST_CTX *ctx);
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const DIGEST *digest_ctx_digest(const DIGEST_CTX *ctx);
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int digest_ctx_init(DIGEST_CTX *ctx);
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int digest_init(DIGEST_CTX *ctx, const DIGEST *algor);
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int digest_update(DIGEST_CTX *ctx, const unsigned char *data, size_t datalen);
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int digest_finish(DIGEST_CTX *ctx, unsigned char *dgst, size_t *dgstlen);
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void digest_ctx_cleanup(DIGEST_CTX *ctx);
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int digest(const DIGEST *digest, const unsigned char *data, size_t datalen,
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unsigned char *dgst, size_t *dgstlen);
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const char *digest_algor_name(int oid);
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int digest_algor_to_der(int oid, uint8_t **out, size_t *outlen);
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int digest_algor_from_der(int *oid, uint32_t *nodes, size_t *nodes_count,
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const uint8_t **in, size_t *inlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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