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以生成ECC密钥为例,生成随机密钥。具体的场景介绍及支持的算法规格。
注意: 密钥别名中禁止包含个人数据等敏感信息。
开发前请熟悉鸿蒙开发指导文档 :[gitee.com/li-shizhen-skin/harmony-os/blob/master/README.md
]
target_link_libraries(entry PUBLIC libhuks_ndk.z.so)
说明: 如果业务再次使用相同别名调用HUKS生成密钥,HUKS将生成新密钥并直接覆盖历史的密钥文件。
HarmonyOS与OpenHarmony鸿蒙文档籽料:mau123789是v直接拿
/* 以下以生成ECC密钥为例 */
#include "huks/native_huks_api.h"
#include "huks/native_huks_param.h"
#include < string.h >
OH_Huks_Result InitParamSet(
struct OH_Huks_ParamSet **paramSet,
const struct OH_Huks_Param *params,
uint32_t paramCount)
{
OH_Huks_Result ret = OH_Huks_InitParamSet(paramSet);
if (ret.errorCode != OH_HUKS_SUCCESS) {
return ret;
}
ret = OH_Huks_AddParams(*paramSet, params, paramCount);
if (ret.errorCode != OH_HUKS_SUCCESS) {
OH_Huks_FreeParamSet(paramSet);
return ret;
}
ret = OH_Huks_BuildParamSet(paramSet);
if (ret.errorCode != OH_HUKS_SUCCESS) {
OH_Huks_FreeParamSet(paramSet);
return ret;
}
return ret;
}
struct OH_Huks_Param g_testGenerateKeyParam[] = {
{
.tag = OH_HUKS_TAG_ALGORITHM,
.uint32Param = OH_HUKS_ALG_ECC
}, {
.tag = OH_HUKS_TAG_PURPOSE,
.uint32Param = OH_HUKS_KEY_PURPOSE_AGREE
}, {
.tag = OH_HUKS_TAG_KEY_SIZE,
.uint32Param = OH_HUKS_ECC_KEY_SIZE_256
}, {
.tag = OH_HUKS_TAG_DIGEST,
.uint32Param = OH_HUKS_DIGEST_NONE
}
};
static napi_value GenerateKey(napi_env env, napi_callback_info info)
{
/* 1.确定密钥别名 */
const char *alias = "test_generate";
struct OH_Huks_Blob aliasBlob = { .size = (uint32_t)strlen(alias), .data = (uint8_t *)alias };
struct OH_Huks_ParamSet *testGenerateKeyParamSet = nullptr;
struct OH_Huks_Result ohResult;
do {
/* 2.初始化密钥属性集 */
ohResult = InitParamSet(&testGenerateKeyParamSet, g_testGenerateKeyParam,
sizeof(g_testGenerateKeyParam) / sizeof(OH_Huks_Param));
if (ohResult.errorCode != OH_HUKS_SUCCESS) {
break;
}
/* 3.生成密钥 */
ohResult = OH_Huks_GenerateKeyItem(&aliasBlob, testGenerateKeyParamSet, nullptr);
} while (0);
OH_Huks_FreeParamSet(&testGenerateKeyParamSet);
napi_value ret;
napi_create_int32(env, ohResult.errorCode, &ret);
return ret;
}
审核编辑 黄宇
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