1/*
2 * Copyright (C) 2021 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#include "protocol_common.h"
17#include "device_auth_defines.h"
18#include "hc_log.h"
19#include "hc_types.h"
20#include "string_util.h"
21
22void FreeAndCleanKey(Uint8Buff *key)
23{
24    if (key == NULL || key->val == NULL) {
25        return;
26    }
27    (void)memset_s(key->val, key->length, 0, key->length);
28    HcFree(key->val);
29    key->val = NULL;
30    key->length = 0;
31}
32
33int32_t InitSingleParam(Uint8Buff *param, uint32_t len)
34{
35    if (param == NULL) {
36        LOGE("Param is null.");
37        return HC_ERR_NULL_PTR;
38    }
39    if (param->val != NULL) {
40        (void)memset_s(param->val, param->length, 0, param->length);
41        HcFree(param->val);
42    }
43    param->length = len;
44    param->val = (uint8_t *)HcMalloc(param->length, 0);
45    if (param->val == NULL) {
46        LOGE("Malloc for param failed.");
47        return HC_ERR_ALLOC_MEMORY;
48    }
49    return HC_SUCCESS;
50}