1 /*
2  * Copyright (C) 2023 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 "dh_key_util.h"
17 #include <securec.h>
18 #include "dh_key_util_spi.h"
19 #include "config.h"
20 #include "dh_common_param_spec_generator_openssl.h"
21 #include "key_utils.h"
22 #include "params_parser.h"
23 #include "log.h"
24 #include "memory.h"
25 #include "utils.h"
26 
HcfDhKeyUtilCreate(int32_t pLen,int32_t skLen,HcfDhCommParamsSpec ** returnCommonParamSpec)27 HcfResult HcfDhKeyUtilCreate(int32_t pLen, int32_t skLen, HcfDhCommParamsSpec **returnCommonParamSpec)
28 {
29     if ((pLen < 0) || (skLen < 0) || (returnCommonParamSpec == NULL)) {
30         LOGE("Failed to parse params!");
31         return HCF_INVALID_PARAMS;
32     }
33 
34     if (skLen > pLen) {
35         LOGE("skLen is greater than pLen!");
36         return HCF_INVALID_PARAMS;
37     }
38 
39     HcfDhCommParamsSpecSpi *spiInstance = NULL;
40     HcfResult ret = HcfDhCommonParamSpecCreate(pLen, skLen, &spiInstance);
41     if (ret != HCF_SUCCESS) {
42         LOGE("Failed to create spi object!");
43         return HCF_ERR_MALLOC;
44     }
45     ret = CreateDhCommonSpecImpl(&(spiInstance->paramsSpec), returnCommonParamSpec);
46     if (ret != HCF_SUCCESS) {
47         LOGE("Failed to create spi impl object!");
48     }
49     FreeDhCommParamsSpec(&(spiInstance->paramsSpec));
50     HcfFree(spiInstance);
51     return ret;
52 }