1f6603c60Sopenharmony_ci#!/usr/bin/env python3 2f6603c60Sopenharmony_ci# -*- coding: utf-8 -*- 3f6603c60Sopenharmony_ci# 4f6603c60Sopenharmony_ci# Copyright (c) 2024 Huawei Device Co., Ltd. 5f6603c60Sopenharmony_ci# Licensed under the Apache License, Version 2.0 (the "License"); 6f6603c60Sopenharmony_ci# you may not use this file except in compliance with the License. 7f6603c60Sopenharmony_ci# You may obtain a copy of the License at 8f6603c60Sopenharmony_ci# 9f6603c60Sopenharmony_ci# http://www.apache.org/licenses/LICENSE-2.0 10f6603c60Sopenharmony_ci# 11f6603c60Sopenharmony_ci# Unless required by applicable law or agreed to in writing, software 12f6603c60Sopenharmony_ci# distributed under the License is distributed on an "AS IS" BASIS, 13f6603c60Sopenharmony_ci# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6603c60Sopenharmony_ci# See the License for the specific language governing permissions and 15f6603c60Sopenharmony_ci# limitations under the License. 16f6603c60Sopenharmony_ci 17f6603c60Sopenharmony_cifrom devicetest.core.test_case import TestCase, Step 18f6603c60Sopenharmony_ciimport re 19f6603c60Sopenharmony_ci 20f6603c60Sopenharmony_ci# @tc.number: C-ALL-SECURITY-0304 21f6603c60Sopenharmony_ci# @tc.name: testRealRandomGenerate 22f6603c60Sopenharmony_ci# @tc.desc: 【C-ALL-SECURITY-0304】必须支持硬件真随机数生成，满足 FIPS140-2 随机测试标准。 23f6603c60Sopenharmony_ciclass testRealRandomGenerate(TestCase): 24f6603c60Sopenharmony_ci 25f6603c60Sopenharmony_ci def __init__(self, controllers): 26f6603c60Sopenharmony_ci self.TAG = self.__class__.__name__ 27f6603c60Sopenharmony_ci super().__init__(self.TAG, controllers) 28f6603c60Sopenharmony_ci 29f6603c60Sopenharmony_ci def setup(self): 30f6603c60Sopenharmony_ci Step("Setup") 31f6603c60Sopenharmony_ci 32f6603c60Sopenharmony_ci def process(self): 33f6603c60Sopenharmony_ci Step("Process") 34f6603c60Sopenharmony_ci randomFile = self.device1.execute_shell_command("ls /dev/random | wc -l").strip() 35f6603c60Sopenharmony_ci assert randomFile == '1' 36f6603c60Sopenharmony_ci urandomFile = self.device1.execute_shell_command("ls /dev/urandom | wc -l").strip() 37f6603c60Sopenharmony_ci assert urandomFile == '1' 38f6603c60Sopenharmony_ci pattern = r'[a-z0-9]{10}' 39f6603c60Sopenharmony_ci try: 40f6603c60Sopenharmony_ci randomNumber = self.device1.execute_shell_command("cat /dev/random | head -n 10 | md5sum | head -c 10", timeout = 1000).strip() 41f6603c60Sopenharmony_ci except: 42f6603c60Sopenharmony_ci randomNumber = '' 43f6603c60Sopenharmony_ci if not re.match(pattern, randomNumber): 44f6603c60Sopenharmony_ci randomNumber = self.device1.execute_shell_command("cat /dev/urandom | head -n 10 | md5sum | head -c 10").strip() 45f6603c60Sopenharmony_ci assert re.match(pattern, randomNumber) 46f6603c60Sopenharmony_ci 47f6603c60Sopenharmony_ci def teardown(self): 48f6603c60Sopenharmony_ci Step("Teardown")