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 "napi_dh_key_util.h"
17 #include "securec.h"
18 #include "detailed_ecc_key_params.h"
19 #include "log.h"
20
21 #include "napi_crypto_framework_defines.h"
22 #include "napi_utils.h"
23 #include "napi_key_pair.h"
24 #include "napi_pri_key.h"
25 #include "napi_pub_key.h"
26
27 namespace OHOS {
28 namespace CryptoFramework {
NapiDHKeyUtil()29 NapiDHKeyUtil::NapiDHKeyUtil() {}
30
~NapiDHKeyUtil()31 NapiDHKeyUtil::~NapiDHKeyUtil() {}
32
JsGenDHCommonParamsSpec(napi_env env,napi_callback_info info)33 napi_value NapiDHKeyUtil::JsGenDHCommonParamsSpec(napi_env env, napi_callback_info info)
34 {
35 size_t expectedArgc = PARAMS_NUM_TWO;
36 size_t argc = ARGS_SIZE_TWO;
37 napi_value argv[ARGS_SIZE_TWO] = { nullptr };
38 napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr);
39
40 if ((argc != expectedArgc) && (argc != (expectedArgc - 1))) {
41 napi_throw(env, GenerateBusinessError(env, HCF_INVALID_PARAMS, "The input args num is invalid."));
42 LOGE("The input args num is invalid.");
43 return nullptr;
44 }
45
46 int32_t pLen = 0;
47 if (!GetInt32FromJSParams(env, argv[0], pLen)) {
48 napi_throw(env, GenerateBusinessError(env, HCF_INVALID_PARAMS, "failed to get pLen."));
49 LOGE("failed to get pLen.");
50 return NapiGetNull(env);
51 }
52
53 int32_t skLen = 0;
54 if (argc == expectedArgc) {
55 if (!GetInt32FromJSParams(env, argv[1], skLen)) {
56 napi_throw(env, GenerateBusinessError(env, HCF_INVALID_PARAMS, "failed to get skLen."));
57 LOGE("failed to get skLen.");
58 return NapiGetNull(env);
59 }
60 }
61 HcfDhCommParamsSpec *dhCommParamsSpec = nullptr;
62 if (HcfDhKeyUtilCreate(pLen, skLen, &dhCommParamsSpec) != HCF_SUCCESS) {
63 napi_throw(env, GenerateBusinessError(env, HCF_INVALID_PARAMS, "create c generator fail."));
64 LOGE("create c generator fail.");
65 return NapiGetNull(env);
66 }
67
68 napi_value instance = ConvertDhCommParamsSpecToNapiValue(env, dhCommParamsSpec);
69 FreeDhCommParamsSpec(dhCommParamsSpec);
70 return instance;
71 }
72
DHKeyUtilConstructor(napi_env env,napi_callback_info info)73 napi_value NapiDHKeyUtil::DHKeyUtilConstructor(napi_env env, napi_callback_info info)
74 {
75 napi_value thisVar = nullptr;
76 size_t argc = ARGS_SIZE_ONE;
77 napi_value argv[ARGS_SIZE_ONE] = { nullptr };
78 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, &thisVar, nullptr));
79 return thisVar;
80 }
81
GenDHCommonParamSpec(napi_env env)82 napi_value NapiDHKeyUtil::GenDHCommonParamSpec(napi_env env)
83 {
84 napi_value cons = nullptr;
85 napi_property_descriptor clzDes[] = {
86 DECLARE_NAPI_STATIC_FUNCTION("genDHCommonParamsSpec", NapiDHKeyUtil::JsGenDHCommonParamsSpec),
87 };
88 NAPI_CALL(env, napi_define_class(env, "DHKeyUtil", NAPI_AUTO_LENGTH, NapiDHKeyUtil::DHKeyUtilConstructor,
89 nullptr, sizeof(clzDes) / sizeof(clzDes[0]), clzDes, &cons));
90 return cons;
91 }
92
DefineNapiDHKeyUtilJSClass(napi_env env,napi_value exports)93 void NapiDHKeyUtil::DefineNapiDHKeyUtilJSClass(napi_env env, napi_value exports)
94 {
95 napi_set_named_property(env, exports, "DHKeyUtil", NapiDHKeyUtil::GenDHCommonParamSpec(env));
96 }
97 } // CryptoFramework
98 } // OHOS
99