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AES GCM depends on CTR

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This commit is contained in:
Zhi Guan
2024-04-12 10:27:08 +08:00
parent 8c1c69e264
commit 9fd4464980
3 changed files with 9 additions and 76 deletions
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52
include/gmssl/gcm.h
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@@ -1,52 +0,0 @@
/*
* Copyright 2014-2024 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_GCM_H
#define GMSSL_GCM_H
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <gmssl/ghash.h>
#include <gmssl/block_cipher.h>
#ifdef __cplusplus
extern "C" {
#endif
#define GCM_IV_MIN_SIZE 1
#define GCM_IV_MAX_SIZE ((uint64_t)(1 << (64-3)))
#define GCM_IV_DEFAULT_BITS 96
#define GCM_IV_DEFAULT_SIZE 12
#define GCM_MIN_AAD_SIZE 0
#define GCM_MAX_AAD_SIZE ((uint64_t)(1 << (64-3)))
#define GCM_MIN_PLAINTEXT_SIZE 0
#define GCM_MAX_PLAINTEXT_SIZE ((((uint64_t)1 << 39) - 256) >> 3)
#define GCM_IS_LITTLE_ENDIAN 1
int gcm_encrypt(const BLOCK_CIPHER_KEY *key, const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen,
uint8_t *out, size_t taglen, uint8_t *tag);
int gcm_decrypt(const BLOCK_CIPHER_KEY *key, const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen,
const uint8_t *tag, size_t taglen, uint8_t *out);
#ifdef __cplusplus
}
#endif
#endif