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- /*
- * Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- */
- #ifndef GMSSL_HMAC_H
- #define GMSSL_HMAC_H
- #include <string.h>
- #include <gmssl/digest.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define HMAC_MAX_SIZE (DIGEST_MAX_SIZE)
- typedef struct hmac_ctx_st {
- const DIGEST *digest;
- DIGEST_CTX digest_ctx;
- DIGEST_CTX i_ctx;
- DIGEST_CTX o_ctx;
- } HMAC_CTX;
- size_t hmac_size(const HMAC_CTX *ctx);
- int hmac_init(HMAC_CTX *ctx, const DIGEST *digest, const uint8_t *key, size_t keylen);
- int hmac_update(HMAC_CTX *ctx, const uint8_t *data, size_t datalen);
- int hmac_finish(HMAC_CTX *ctx, uint8_t *mac, size_t *maclen);
- int hmac(const DIGEST *md, const uint8_t *key, size_t keylen,
- const uint8_t *data, size_t dlen,
- uint8_t *mac, size_t *maclen);
- #ifdef __cplusplus
- }
- #endif
- #endif
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