| /* |
| * Copyright 2013 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 android.keystore.cts; |
| |
| import android.security.KeyPairGeneratorSpec; |
| import android.test.AndroidTestCase; |
| |
| import java.math.BigInteger; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.KeyStore; |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.SecureRandom; |
| import java.security.cert.Certificate; |
| import java.security.cert.X509Certificate; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| |
| import javax.security.auth.x500.X500Principal; |
| |
| public class AndroidKeyPairGeneratorTest extends AndroidTestCase { |
| private KeyPairGenerator mGenerator; |
| |
| private KeyStore mKeyStore; |
| |
| private static final String TEST_ALIAS_1 = "test1"; |
| |
| private static final String TEST_ALIAS_2 = "test2"; |
| |
| private static final X500Principal TEST_DN_1 = new X500Principal("CN=test1"); |
| |
| private static final X500Principal TEST_DN_2 = new X500Principal("CN=test2"); |
| |
| private static final BigInteger TEST_SERIAL_1 = BigInteger.ONE; |
| |
| private static final BigInteger TEST_SERIAL_2 = BigInteger.valueOf(2L); |
| |
| private static final long NOW_MILLIS = System.currentTimeMillis(); |
| |
| /* We have to round this off because X509v3 doesn't store milliseconds. */ |
| private static final Date NOW = new Date(NOW_MILLIS - (NOW_MILLIS % 1000L)); |
| |
| @SuppressWarnings("deprecation") |
| private static final Date NOW_PLUS_10_YEARS = new Date(NOW.getYear() + 10, 0, 1); |
| |
| @Override |
| protected void setUp() throws Exception { |
| mKeyStore = KeyStore.getInstance("AndroidKeyStore"); |
| mKeyStore.load(null, null); |
| |
| mGenerator = KeyPairGenerator.getInstance("RSA", "AndroidKeyStore"); |
| } |
| |
| public void testKeyPairGenerator_Initialize_Params_Unencrypted_Success() throws Exception { |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1) |
| .setSubject(TEST_DN_1) |
| .setSerialNumber(TEST_SERIAL_1) |
| .setStartDate(NOW) |
| .setEndDate(NOW_PLUS_10_YEARS) |
| .build()); |
| } |
| |
| public void testKeyPairGenerator_Initialize_KeySize_Unencrypted_Failure() throws Exception { |
| try { |
| mGenerator.initialize(1024); |
| fail("KeyPairGenerator should not support setting the key size"); |
| } catch (IllegalArgumentException success) { |
| } |
| } |
| |
| public void testKeyPairGenerator_Initialize_KeySizeAndSecureRandom_Unencrypted_Failure() |
| throws Exception { |
| try { |
| mGenerator.initialize(1024, new SecureRandom()); |
| fail("KeyPairGenerator should not support setting the key size"); |
| } catch (IllegalArgumentException success) { |
| } |
| } |
| |
| public void testKeyPairGenerator_Initialize_ParamsAndSecureRandom_Unencrypted_Failure() |
| throws Exception { |
| mGenerator.initialize( |
| new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1) |
| .setSubject(TEST_DN_1) |
| .setSerialNumber(TEST_SERIAL_1) |
| .setStartDate(NOW) |
| .setEndDate(NOW_PLUS_10_YEARS) |
| .build(), |
| new SecureRandom()); |
| } |
| |
| public void testKeyPairGenerator_GenerateKeyPair_Unencrypted_Success() throws Exception { |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1) |
| .setSubject(TEST_DN_1) |
| .setSerialNumber(TEST_SERIAL_1) |
| .setStartDate(NOW) |
| .setEndDate(NOW_PLUS_10_YEARS) |
| .build()); |
| |
| final KeyPair pair = mGenerator.generateKeyPair(); |
| assertNotNull("The KeyPair returned should not be null", pair); |
| |
| assertKeyPairCorrect(pair, TEST_ALIAS_1, TEST_DN_1, TEST_SERIAL_1, NOW, NOW_PLUS_10_YEARS); |
| } |
| |
| public void testKeyPairGenerator_GenerateKeyPair_Replaced_Unencrypted_Success() |
| throws Exception { |
| // Generate the first key |
| { |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1).setSubject(TEST_DN_1).setSerialNumber(TEST_SERIAL_1) |
| .setStartDate(NOW).setEndDate(NOW_PLUS_10_YEARS).build()); |
| final KeyPair pair1 = mGenerator.generateKeyPair(); |
| assertNotNull("The KeyPair returned should not be null", pair1); |
| assertKeyPairCorrect(pair1, TEST_ALIAS_1, TEST_DN_1, TEST_SERIAL_1, NOW, |
| NOW_PLUS_10_YEARS); |
| } |
| |
| // Replace the original key |
| { |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1).setSubject(TEST_DN_2).setSerialNumber(TEST_SERIAL_2) |
| .setStartDate(NOW).setEndDate(NOW_PLUS_10_YEARS).build()); |
| final KeyPair pair2 = mGenerator.generateKeyPair(); |
| assertNotNull("The KeyPair returned should not be null", pair2); |
| assertKeyPairCorrect(pair2, TEST_ALIAS_1, TEST_DN_2, TEST_SERIAL_2, NOW, |
| NOW_PLUS_10_YEARS); |
| } |
| } |
| |
| public void testKeyPairGenerator_GenerateKeyPair_No_Collision_Unencrypted_Success() |
| throws Exception { |
| // Generate the first key |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_1) |
| .setSubject(TEST_DN_1) |
| .setSerialNumber(TEST_SERIAL_1) |
| .setStartDate(NOW) |
| .setEndDate(NOW_PLUS_10_YEARS) |
| .build()); |
| final KeyPair pair1 = mGenerator.generateKeyPair(); |
| assertNotNull("The KeyPair returned should not be null", pair1); |
| assertKeyPairCorrect(pair1, TEST_ALIAS_1, TEST_DN_1, TEST_SERIAL_1, NOW, |
| NOW_PLUS_10_YEARS); |
| |
| // Generate the second key |
| mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()) |
| .setAlias(TEST_ALIAS_2) |
| .setSubject(TEST_DN_2) |
| .setSerialNumber(TEST_SERIAL_2) |
| .setStartDate(NOW) |
| .setEndDate(NOW_PLUS_10_YEARS) |
| .build()); |
| final KeyPair pair2 = mGenerator.generateKeyPair(); |
| assertNotNull("The KeyPair returned should not be null", pair2); |
| assertKeyPairCorrect(pair2, TEST_ALIAS_2, TEST_DN_2, TEST_SERIAL_2, NOW, |
| NOW_PLUS_10_YEARS); |
| |
| // Check the first key again |
| assertKeyPairCorrect(pair1, TEST_ALIAS_1, TEST_DN_1, TEST_SERIAL_1, NOW, |
| NOW_PLUS_10_YEARS); |
| } |
| |
| private void assertKeyPairCorrect(KeyPair pair, String alias, X500Principal dn, |
| BigInteger serial, Date start, Date end) throws Exception { |
| final PublicKey pubKey = pair.getPublic(); |
| assertNotNull("The PublicKey for the KeyPair should be not null", pubKey); |
| |
| final PrivateKey privKey = pair.getPrivate(); |
| assertNotNull("The PrivateKey for the KeyPair should be not null", privKey); |
| |
| KeyStore.Entry entry = mKeyStore.getEntry(alias, null); |
| assertNotNull("Entry should exist", entry); |
| |
| assertTrue("Entry should be a PrivateKeyEntry", entry instanceof KeyStore.PrivateKeyEntry); |
| KeyStore.PrivateKeyEntry privEntry = (KeyStore.PrivateKeyEntry) entry; |
| |
| Certificate userCert = privEntry.getCertificate(); |
| assertTrue("Certificate should be in X.509 format", userCert instanceof X509Certificate); |
| |
| final X509Certificate x509userCert = (X509Certificate) userCert; |
| |
| assertEquals("PublicKey used to sign certificate should match one returned in KeyPair", |
| pubKey, x509userCert.getPublicKey()); |
| |
| assertEquals("The Subject DN should be the one passed into the params", dn, |
| x509userCert.getSubjectDN()); |
| |
| assertEquals("The Issuer DN should be the same as the Subject DN", dn, |
| x509userCert.getIssuerDN()); |
| |
| assertEquals("The Serial should be the one passed into the params", serial, |
| x509userCert.getSerialNumber()); |
| |
| assertDateEquals("The notBefore date should be the one passed into the params", start, |
| x509userCert.getNotBefore()); |
| |
| assertDateEquals("The notAfter date should be the one passed into the params", end, |
| x509userCert.getNotAfter()); |
| |
| x509userCert.verify(pubKey); |
| |
| Certificate[] chain = privEntry.getCertificateChain(); |
| assertEquals("A list of CA certificates should not exist for the generated entry", 1, |
| chain.length); |
| } |
| |
| private static void assertDateEquals(String message, Date date1, Date date2) throws Exception { |
| SimpleDateFormat formatter = new SimpleDateFormat("dd MMM yyyy HH:mm:ss"); |
| |
| String result1 = formatter.format(date1); |
| String result2 = formatter.format(date2); |
| |
| assertEquals(message, result1, result2); |
| } |
| } |