1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *    http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HKS_CRYPTO_HAL_COMMON_H
17 #define HKS_CRYPTO_HAL_COMMON_H
18 
19 #include "hks_type_inner.h"
20 
21 class HksCryptoHalCommon {
22 public:
HksCryptoHalCommon()23     HksCryptoHalCommon()
24     {}
~HksCryptoHalCommon()25     virtual ~HksCryptoHalCommon()
26     {}
27 
28 protected:
29     uint8_t HexChar(char hex) const;
30     uint8_t ReadHex(const uint8_t hex[2]) const;
31 
32     const int HKS_COUNT_OF_HALF = 2;
33     const uint32_t HKS_PADDING_SUPPLENMENT = 16;
34     const uint32_t HKS_UPDATE_DATA_MAX = 64;
35     const uint32_t HKS_CONTEXT_DATA_MAX = (1024 * 2);
36 };
37 #endif  // HKS_CRYPTO_HAL_COMMON_H
38