mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-07 08:56:17 +08:00
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
|
|
* 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
|