update zh-cn/device-dev/subsystems/subsys-security-huks-guide.md.

Signed-off-by: zqr2001 <1805768383@qq.com>

zh-cn/device-dev/subsystems/subsys-security-huks-guide.md

@@ -720,38 +720,38 @@ return ret;
 3. 结束密钥操作并取回结果，销毁句柄。
 
    ```c
-//三段式Finish接口
-int32_t HksCoreFinish(const struct HksBlob *handle, const struct HksParamSet *paramSet, const struct HksBlob *inData,
+   //三段式Finish接口
+   int32_t HksCoreFinish(const struct HksBlob *handle, const struct HksParamSet *paramSet, const struct HksBlob *inData,
     struct HksBlob *outData)
-{
-HKS_LOG_D("HksCoreFinish in Core start");
-uint32_t pur = 0;
-uint32_t alg = 0;
-//检查参数
-if (handle == NULL || paramSet == NULL || inData == NULL) {
+   {
+   HKS_LOG_D("HksCoreFinish in Core start");
+   uint32_t pur = 0;
+   uint32_t alg = 0;
+   //检查参数
+   if (handle == NULL || paramSet == NULL || inData == NULL) {
        HKS_LOG_E("the pointer param entered is invalid");
        return HKS_FAILURE;
-}
+   }
 
-uint64_t sessionId;
-struct HuksKeyNode *keyNode = NULL;
-//根据handle获取本次三段式操作需要的上下文
-int32_t ret = GetParamsForUpdateAndFinish(handle, &sessionId, &keyNode, &pur, &alg);
-if (ret != HKS_SUCCESS) {
+   uint64_t sessionId;
+   struct HuksKeyNode *keyNode = NULL;
+   //根据handle获取本次三段式操作需要的上下文
+   int32_t ret = GetParamsForUpdateAndFinish(handle, &sessionId, &keyNode, &pur, &alg);
+   if (ret != HKS_SUCCESS) {
        HKS_LOG_E("GetParamsForCoreUpdate failed");
        return ret;
-}
-//校验密钥参数
-ret = HksCoreSecureAccessVerifyParams(keyNode, paramSet);
-if (ret != HKS_SUCCESS) {
+   }
+   //校验密钥参数
+   ret = HksCoreSecureAccessVerifyParams(keyNode, paramSet);
+   if (ret != HKS_SUCCESS) {
        HksDeleteKeyNode(sessionId);
        HKS_LOG_E("HksCoreFinish secure access verify failed");
        return ret;
-}
-//调用对应的算法库密钥处理函数
-uint32_t i;
-uint32_t size = HKS_ARRAY_SIZE(g_hksCoreFinishHandler);
-for (i = 0; i < size; i++) {
+   }
+   //调用对应的算法库密钥处理函数
+   uint32_t i;
+   uint32_t size = HKS_ARRAY_SIZE(g_hksCoreFinishHandler);
+   for (i = 0; i < size; i++) {
        if (g_hksCoreFinishHandler[i].pur == pur) {
            uint32_t outDataBufferSize = (outData == NULL) ? 0 : outData->size;
            struct HksBlob appendInData = { 0, NULL };
@@ -772,16 +772,16 @@ for (i = 0; i < size; i++) {
            ret = HksCoreAppendAuthInfoAfterFinish(keyNode, pur, paramSet, outDataBufferSize, outData);
            break;
        }
-}
-if (i == size) {
+   }
+   if (i == size) {
        HKS_LOG_E("don't found purpose, pur : %d", pur);
        ret = HKS_FAILURE;
-}
-//删除对应的session
-HksDeleteKeyNode(sessionId);
-HKS_LOG_D("HksCoreFinish in Core end");
-return ret;
-}
+   }
+   //删除对应的session
+   HksDeleteKeyNode(sessionId);
+   HKS_LOG_D("HksCoreFinish in Core end");
+   return ret;
+   }
    ```
 
 ### 调测验证