| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.locksettings.recoverablekeystore.certificate; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.testng.Assert.assertThrows; |
| import static org.testng.Assert.expectThrows; |
| |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public final class SigXmlTest { |
| |
| private byte[] certXmlBytes; |
| private byte[] sigXmlBytes; |
| |
| @Before |
| public void setUp() throws Exception { |
| certXmlBytes = TestData.readTestFile("xml/valid-cert-file.xml"); |
| sigXmlBytes = TestData.readTestFile("xml/valid-sig-file.sig.xml"); |
| } |
| |
| @Test |
| public void parseAndVerifyFileSignature_succeeds() throws Exception { |
| SigXml sigXml = SigXml.parse(sigXmlBytes); |
| sigXml.verifyFileSignature( |
| TestData.ROOT_CA_TRUSTED, certXmlBytes, TestData.DATE_ALL_CERTS_VALID); |
| } |
| |
| @Test |
| public void parseAndVerifyFileSignature_throwsIfExpiredCert() throws Exception { |
| SigXml sigXml = SigXml.parse(sigXmlBytes); |
| assertThrows( |
| CertValidationException.class, |
| () -> |
| sigXml.verifyFileSignature( |
| TestData.ROOT_CA_TRUSTED, certXmlBytes, |
| TestData.DATE_INTERMEDIATE_CA_2_EXPIRED)); |
| } |
| |
| @Test |
| public void parseAndVerifyFileSignature_throwsIfInvalidSignature() throws Exception { |
| SigXml sigXml = SigXml.parse(sigXmlBytes); |
| byte[] modifiedBytes = sigXmlBytes.clone(); |
| modifiedBytes[0] ^= (byte) 1; // Flip one bit |
| CertValidationException expected = |
| expectThrows( |
| CertValidationException.class, |
| () -> |
| sigXml.verifyFileSignature( |
| TestData.ROOT_CA_TRUSTED, modifiedBytes, |
| TestData.DATE_ALL_CERTS_VALID)); |
| assertThat(expected.getMessage()).contains("signature is invalid"); |
| } |
| |
| @Test |
| public void parseAndVerifyFileSignature_throwsIfRootCertWithWrongCommonName() throws Exception { |
| SigXml sigXml = SigXml.parse(sigXmlBytes); |
| assertThrows( |
| CertValidationException.class, |
| () -> |
| sigXml.verifyFileSignature( |
| TestData.ROOT_CA_DIFFERENT_COMMON_NAME, |
| certXmlBytes, |
| TestData.DATE_ALL_CERTS_VALID)); |
| } |
| |
| @Test |
| public void parse_succeedsWithoutIntermediateCerts() throws Exception { |
| SigXml.parse(TestData.readTestFile("xml/valid-sig-file-no-intermediates.sig.xml")); |
| } |
| |
| @Test |
| public void parse_throwsIfNoSignerCert() throws Exception { |
| CertParsingException expected = |
| expectThrows( |
| CertParsingException.class, |
| () -> |
| SigXml.parse( |
| TestData.readTestFile( |
| "xml/invalid-sig-file-no-signer-cert.sig.xml"))); |
| assertThat(expected.getMessage()).contains("exactly one"); |
| } |
| |
| @Test |
| public void parse_throwsIfTwoSignerCerts() throws Exception { |
| CertParsingException expected = |
| expectThrows( |
| CertParsingException.class, |
| () -> |
| SigXml.parse( |
| TestData.readTestFile( |
| "xml/invalid-sig-file-two-signer-certs.sig.xml"))); |
| assertThat(expected.getMessage()).contains("exactly one"); |
| } |
| |
| @Test |
| public void parse_throwsIfNoSignatureValue() throws Exception { |
| CertParsingException expected = |
| expectThrows( |
| CertParsingException.class, |
| () -> |
| SigXml.parse( |
| TestData.readTestFile( |
| "xml/invalid-sig-file-no-signature.sig.xml"))); |
| assertThat(expected.getMessage()).contains("exactly one"); |
| } |
| |
| @Test |
| public void parse_throwsIfTwoSignatureValues() throws Exception { |
| CertParsingException expected = |
| expectThrows( |
| CertParsingException.class, |
| () -> |
| SigXml.parse( |
| TestData.readTestFile( |
| "xml/invalid-sig-file-two-signatures.sig.xml"))); |
| assertThat(expected.getMessage()).contains("exactly one"); |
| } |
| } |