88 lines
1.9 KiB
C
88 lines
1.9 KiB
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_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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#ifdef ENABLE_BROKEN_CRYPTO
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#include <gmssl/md5.h>
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#include <gmssl/sha1.h>
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#endif
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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 DIGEST;
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typedef struct DIGEST_CTX 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 {
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union {
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SM3_CTX sm3_ctx;
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#ifdef ENABLE_BROKEN_CRYPTO
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MD5_CTX md5_ctx;
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SHA1_CTX sha1_ctx;
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#endif
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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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const DIGEST *digest;
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};
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struct DIGEST {
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int oid;
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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 uint8_t *data, size_t datalen);
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int (*finish)(DIGEST_CTX *ctx, uint8_t *dgst);
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};
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const DIGEST *DIGEST_sm3(void);
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#ifdef ENABLE_BROKEN_CRYPTO
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const DIGEST *DIGEST_md5(void);
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const DIGEST *DIGEST_sha1(void);
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#endif
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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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const char *digest_name(const DIGEST *digest);
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int digest_init(DIGEST_CTX *ctx, const DIGEST *algor);
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int digest_update(DIGEST_CTX *ctx, const uint8_t *data, size_t datalen);
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int digest_finish(DIGEST_CTX *ctx, uint8_t *dgst, size_t *dgstlen);
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int digest(const DIGEST *digest, const uint8_t *data, size_t datalen, uint8_t *dgst, size_t *dgstlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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