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Add SHA256 HMAC

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SPHINCS+ need HMAC
This commit is contained in:
Zhi Guan
2026-01-11 15:19:42 +08:00
parent 4df06e7196
commit 58a51a8474
2 changed files with 87 additions and 1 deletions
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14
include/gmssl/sha2.h
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2026 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.
@@ -88,6 +88,18 @@ void sha512_update(SHA512_CTX *ctx, const uint8_t* data, size_t datalen);
void sha512_finish(SHA512_CTX *ctx, uint8_t dgst[SHA512_DIGEST_SIZE]);
#define SHA256_HMAC_SIZE (SHA256_DIGEST_SIZE)
typedef struct {
SHA256_CTX sha256_ctx;
uint8_t key[SHA256_BLOCK_SIZE];
} SHA256_HMAC_CTX;
void sha256_hmac_init(SHA256_HMAC_CTX *ctx, const uint8_t *key, size_t keylen);
void sha256_hmac_update(SHA256_HMAC_CTX *ctx, const uint8_t *data, size_t datalen);
void sha256_hmac_finish(SHA256_HMAC_CTX *ctx, uint8_t mac[SHA256_HMAC_SIZE]);
#ifdef __cplusplus
}
#endif