| /* |
| * Copyright (C) 2010 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 libcore.java.security; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.math.BigInteger; |
| import java.security.Key; |
| import java.security.KeyFactory; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.PrivateKey; |
| import java.security.Provider; |
| import java.security.Provider.Service; |
| import java.security.PublicKey; |
| import java.security.SecureRandom; |
| import java.security.Security; |
| import java.security.interfaces.DSAParams; |
| import java.security.interfaces.DSAPrivateKey; |
| import java.security.interfaces.DSAPublicKey; |
| import java.security.interfaces.ECPrivateKey; |
| import java.security.spec.AlgorithmParameterSpec; |
| import java.security.spec.DSAParameterSpec; |
| import java.security.spec.ECGenParameterSpec; |
| import java.security.spec.ECParameterSpec; |
| import java.security.spec.PKCS8EncodedKeySpec; |
| import java.security.spec.X509EncodedKeySpec; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import javax.crypto.spec.DHParameterSpec; |
| |
| import junit.framework.TestCase; |
| |
| public class KeyPairGeneratorTest extends TestCase { |
| |
| public void test_getInstance() throws Exception { |
| Provider[] providers = Security.getProviders(); |
| for (Provider provider : providers) { |
| Set<Provider.Service> services = provider.getServices(); |
| for (Provider.Service service : services) { |
| String type = service.getType(); |
| if (!type.equals("KeyPairGenerator")) { |
| continue; |
| } |
| String algorithm = service.getAlgorithm(); |
| AlgorithmParameterSpec params = null; |
| |
| // TODO: detect if we're running in vogar and run the full test |
| if ("DH".equals(algorithm)) { |
| params = getDHParams(); |
| } |
| |
| try { |
| // KeyPairGenerator.getInstance(String) |
| KeyPairGenerator kpg1 = KeyPairGenerator.getInstance(algorithm); |
| assertEquals(algorithm, kpg1.getAlgorithm()); |
| if (params != null) { |
| kpg1.initialize(params); |
| } |
| test_KeyPairGenerator(kpg1); |
| |
| // KeyPairGenerator.getInstance(String, Provider) |
| KeyPairGenerator kpg2 = KeyPairGenerator.getInstance(algorithm, provider); |
| assertEquals(algorithm, kpg2.getAlgorithm()); |
| assertEquals(provider, kpg2.getProvider()); |
| if (params != null) { |
| kpg2.initialize(params); |
| } |
| test_KeyPairGenerator(kpg2); |
| |
| // KeyPairGenerator.getInstance(String, String) |
| KeyPairGenerator kpg3 = KeyPairGenerator.getInstance(algorithm, |
| provider.getName()); |
| assertEquals(algorithm, kpg3.getAlgorithm()); |
| assertEquals(provider, kpg3.getProvider()); |
| if (params != null) { |
| kpg3.initialize(params); |
| } |
| test_KeyPairGenerator(kpg3); |
| } catch (Exception e) { |
| throw new Exception("Problem testing KeyPairGenerator." + algorithm, e); |
| } |
| } |
| } |
| } |
| |
| private static final Map<String, List<Integer>> KEY_SIZES |
| = new HashMap<String, List<Integer>>(); |
| private static void putKeySize(String algorithm, int keySize) { |
| algorithm = algorithm.toUpperCase(); |
| List<Integer> keySizes = KEY_SIZES.get(algorithm); |
| if (keySizes == null) { |
| keySizes = new ArrayList<Integer>(); |
| KEY_SIZES.put(algorithm, keySizes); |
| } |
| keySizes.add(keySize); |
| } |
| private static List<Integer> getKeySizes(String algorithm) throws Exception { |
| algorithm = algorithm.toUpperCase(); |
| List<Integer> keySizes = KEY_SIZES.get(algorithm); |
| if (keySizes == null) { |
| throw new Exception("Unknown key sizes for KeyPairGenerator." + algorithm); |
| } |
| return keySizes; |
| } |
| static { |
| putKeySize("DSA", 512); |
| putKeySize("DSA", 512+64); |
| putKeySize("DSA", 1024); |
| putKeySize("RSA", 512); |
| putKeySize("DH", 512); |
| putKeySize("DH", 512+64); |
| putKeySize("DH", 1024); |
| putKeySize("DiffieHellman", 512); |
| putKeySize("DiffieHellman", 512+64); |
| putKeySize("DiffieHellman", 1024); |
| putKeySize("EC", 192); |
| putKeySize("EC", 224); |
| putKeySize("EC", 256); |
| putKeySize("EC", 384); |
| putKeySize("EC", 521); |
| } |
| |
| /** Elliptic Curve Crypto named curves that should be supported. */ |
| private static final String[] EC_NAMED_CURVES = { |
| // NIST P-192 aka SECG secp192r1 aka ANSI X9.62 prime192v1 |
| "secp192r1", "prime192v1", |
| // NIST P-256 aka SECG secp256r1 aka ANSI X9.62 prime256v1 |
| "secp256r1", "prime256v1", |
| }; |
| |
| private void test_KeyPairGenerator(KeyPairGenerator kpg) throws Exception { |
| // without a call to initialize |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| |
| String algorithm = kpg.getAlgorithm(); |
| List<Integer> keySizes = getKeySizes(algorithm); |
| for (int keySize : keySizes) { |
| kpg.initialize(keySize); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| |
| kpg.initialize(keySize, (SecureRandom) null); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| |
| kpg.initialize(keySize, new SecureRandom()); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| } |
| |
| if (("EC".equals(algorithm)) || ("ECDH".equals(algorithm)) |
| || ("ECDSA".equals(algorithm))) { |
| for (String curveName : EC_NAMED_CURVES) { |
| kpg.initialize(new ECGenParameterSpec(curveName)); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| |
| kpg.initialize(new ECGenParameterSpec(curveName), (SecureRandom) null); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| |
| kpg.initialize(new ECGenParameterSpec(curveName), new SecureRandom()); |
| test_KeyPair(kpg, kpg.genKeyPair()); |
| test_KeyPair(kpg, kpg.generateKeyPair()); |
| } |
| } |
| } |
| |
| private void test_KeyPair(KeyPairGenerator kpg, KeyPair kp) throws Exception { |
| assertNotNull(kp); |
| test_Key(kpg, kp.getPrivate()); |
| test_Key(kpg, kp.getPublic()); |
| } |
| |
| private void test_Key(KeyPairGenerator kpg, Key k) throws Exception { |
| String expectedAlgorithm = kpg.getAlgorithm().toUpperCase(); |
| if (StandardNames.IS_RI && expectedAlgorithm.equals("DIFFIEHELLMAN")) { |
| expectedAlgorithm = "DH"; |
| } |
| assertEquals(expectedAlgorithm, k.getAlgorithm().toUpperCase()); |
| assertNotNull(k.getEncoded()); |
| assertNotNull(k.getFormat()); |
| |
| // Test serialization |
| { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(16384); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(k); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| ObjectInputStream ois = new ObjectInputStream(bais); |
| Key inflatedKey = (Key) ois.readObject(); |
| |
| assertEquals(k, inflatedKey); |
| } |
| |
| test_KeyWithAllKeyFactories(k); |
| } |
| |
| private void test_KeyWithAllKeyFactories(Key k) throws Exception { |
| byte[] encoded = k.getEncoded(); |
| |
| String keyAlgo = k.getAlgorithm(); |
| |
| Provider[] providers = Security.getProviders(); |
| for (Provider p : providers) { |
| Set<Provider.Service> services = p.getServices(); |
| for (Provider.Service service : services) { |
| if (!"KeyFactory".equals(service.getType())) { |
| continue; |
| } |
| if (!service.getAlgorithm().equals(keyAlgo)) { |
| continue; |
| } |
| |
| if ("PKCS#8".equals(k.getFormat())) { |
| PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(encoded); |
| KeyFactory kf = KeyFactory.getInstance(k.getAlgorithm(), p); |
| PrivateKey privKey = kf.generatePrivate(spec); |
| assertNotNull(k.getAlgorithm() + ", provider=" + p.getName(), privKey); |
| |
| /* |
| * EC keys are unique because they can have explicit parameters or a curve |
| * name. Check them specially so this test can continue to function. |
| */ |
| if (k instanceof ECPrivateKey) { |
| assertECPrivateKeyEquals((ECPrivateKey) k, (ECPrivateKey) privKey); |
| } else { |
| assertEquals(k.getAlgorithm() + ", provider=" + p.getName(), |
| Arrays.toString(encoded), |
| Arrays.toString(privKey.getEncoded())); |
| } |
| } else if ("X.509".equals(k.getFormat())) { |
| X509EncodedKeySpec spec = new X509EncodedKeySpec(encoded); |
| KeyFactory kf = KeyFactory.getInstance(k.getAlgorithm(), p); |
| PublicKey pubKey = kf.generatePublic(spec); |
| assertNotNull(pubKey); |
| assertTrue(Arrays.equals(encoded, pubKey.getEncoded())); |
| } |
| } |
| } |
| } |
| |
| private static void assertECPrivateKeyEquals(ECPrivateKey expected, ECPrivateKey actual) { |
| assertEquals(expected.getS(), actual.getS()); |
| assertECParametersEquals(expected.getParams(), actual.getParams()); |
| } |
| |
| private static void assertECParametersEquals(ECParameterSpec expected, ECParameterSpec actual) { |
| assertEquals(expected.getCurve(), actual.getCurve()); |
| assertEquals(expected.getGenerator(), actual.getGenerator()); |
| assertEquals(expected.getOrder(), actual.getOrder()); |
| assertEquals(expected.getCofactor(), actual.getCofactor()); |
| } |
| |
| /** |
| * DH parameters pre-generated so that the test doesn't take too long. |
| * These parameters were generated with: |
| * |
| * openssl gendh 512 | openssl dhparams -C |
| */ |
| private static AlgorithmParameterSpec getDHParams() { |
| BigInteger p = new BigInteger("E7AB1768BD75CD24700960FFA32D3F1557344E587101237532CC641646ED7A7C104743377F6D46251698B665CE2A6CBAB6714C2569A7D2CA22C0CF03FA40AC93", 16); |
| BigInteger g = new BigInteger("02", 16); |
| return new DHParameterSpec(p, g, 512); |
| } |
| |
| private static final BigInteger DSA_P = new BigInteger(new byte[] { |
| (byte) 0x00, (byte) 0x9e, (byte) 0x61, (byte) 0xc2, (byte) 0x89, (byte) 0xef, (byte) 0x77, (byte) 0xa9, |
| (byte) 0x4e, (byte) 0x13, (byte) 0x67, (byte) 0x64, (byte) 0x1f, (byte) 0x09, (byte) 0x01, (byte) 0xfe, |
| (byte) 0x24, (byte) 0x13, (byte) 0x53, (byte) 0xe0, (byte) 0xb7, (byte) 0x90, (byte) 0xa8, (byte) 0x4e, |
| (byte) 0x76, (byte) 0xfe, (byte) 0x89, (byte) 0x82, (byte) 0x7f, (byte) 0x7a, (byte) 0xc5, (byte) 0x3c, |
| (byte) 0x4e, (byte) 0x0c, (byte) 0x20, (byte) 0x55, (byte) 0x30, (byte) 0x95, (byte) 0x42, (byte) 0x85, |
| (byte) 0xe1, (byte) 0x40, (byte) 0x7d, (byte) 0x27, (byte) 0x8f, (byte) 0x07, (byte) 0x0d, (byte) 0xe8, |
| (byte) 0xdc, (byte) 0x99, (byte) 0xef, (byte) 0xb3, (byte) 0x07, (byte) 0x94, (byte) 0x34, (byte) 0xd6, |
| (byte) 0x7c, (byte) 0xff, (byte) 0x9c, (byte) 0xbe, (byte) 0x69, (byte) 0xd3, (byte) 0xeb, (byte) 0x44, |
| (byte) 0x37, (byte) 0x50, (byte) 0xef, (byte) 0x49, (byte) 0xf8, (byte) 0xe2, (byte) 0x5b, (byte) 0xd8, |
| (byte) 0xd1, (byte) 0x10, (byte) 0x84, (byte) 0x97, (byte) 0xea, (byte) 0xe3, (byte) 0xa5, (byte) 0x1c, |
| (byte) 0xc0, (byte) 0x4e, (byte) 0x69, (byte) 0xca, (byte) 0x70, (byte) 0x3d, (byte) 0x78, (byte) 0xb9, |
| (byte) 0x16, (byte) 0xe5, (byte) 0xfe, (byte) 0x61, (byte) 0x5d, (byte) 0x8a, (byte) 0x5a, (byte) 0xb3, |
| (byte) 0x2c, (byte) 0x61, (byte) 0xb6, (byte) 0x01, (byte) 0x3b, (byte) 0xd0, (byte) 0x01, (byte) 0x7c, |
| (byte) 0x32, (byte) 0x8d, (byte) 0xe1, (byte) 0xf3, (byte) 0x69, (byte) 0x0e, (byte) 0x8b, (byte) 0x58, |
| (byte) 0xc6, (byte) 0xcf, (byte) 0x00, (byte) 0x94, (byte) 0xf8, (byte) 0x49, (byte) 0x2a, (byte) 0x4b, |
| (byte) 0xea, (byte) 0xda, (byte) 0x00, (byte) 0xff, (byte) 0x4b, (byte) 0xd0, (byte) 0xbe, (byte) 0x40, |
| (byte) 0x23, |
| }); |
| |
| private static final BigInteger DSA_Q = new BigInteger(new byte[] { |
| (byte) 0x00, (byte) 0xbf, (byte) 0xee, (byte) 0xaa, (byte) 0x0f, (byte) 0x12, (byte) 0x34, (byte) 0x50, |
| (byte) 0x72, (byte) 0xf8, (byte) 0x60, (byte) 0x13, (byte) 0xd8, (byte) 0xf1, (byte) 0x41, (byte) 0x01, |
| (byte) 0x10, (byte) 0xa5, (byte) 0x2f, (byte) 0x57, (byte) 0x5f, |
| }); |
| |
| private static final BigInteger DSA_G = new BigInteger(new byte[] { |
| (byte) 0x77, (byte) 0xd4, (byte) 0x7a, (byte) 0x12, (byte) 0xcc, (byte) 0x81, (byte) 0x7e, (byte) 0x7e, |
| (byte) 0xeb, (byte) 0x3a, (byte) 0xfb, (byte) 0xe6, (byte) 0x86, (byte) 0x6d, (byte) 0x5a, (byte) 0x10, |
| (byte) 0x1d, (byte) 0xad, (byte) 0xa9, (byte) 0x4f, (byte) 0xb9, (byte) 0x03, (byte) 0x5d, (byte) 0x21, |
| (byte) 0x1a, (byte) 0xe4, (byte) 0x30, (byte) 0x95, (byte) 0x75, (byte) 0x8e, (byte) 0xcd, (byte) 0x5e, |
| (byte) 0xd1, (byte) 0xbd, (byte) 0x0a, (byte) 0x45, (byte) 0xee, (byte) 0xe7, (byte) 0xf7, (byte) 0x6b, |
| (byte) 0x65, (byte) 0x02, (byte) 0x60, (byte) 0xd0, (byte) 0x2e, (byte) 0xaf, (byte) 0x3d, (byte) 0xbc, |
| (byte) 0x07, (byte) 0xdd, (byte) 0x2b, (byte) 0x8e, (byte) 0x33, (byte) 0xc0, (byte) 0x93, (byte) 0x80, |
| (byte) 0xd9, (byte) 0x2b, (byte) 0xa7, (byte) 0x71, (byte) 0x57, (byte) 0x76, (byte) 0xbc, (byte) 0x8e, |
| (byte) 0xb9, (byte) 0xe0, (byte) 0xd7, (byte) 0xf4, (byte) 0x23, (byte) 0x8d, (byte) 0x41, (byte) 0x1a, |
| (byte) 0x97, (byte) 0x4f, (byte) 0x2c, (byte) 0x1b, (byte) 0xd5, (byte) 0x4b, (byte) 0x66, (byte) 0xe8, |
| (byte) 0xfa, (byte) 0xd2, (byte) 0x50, (byte) 0x0d, (byte) 0x17, (byte) 0xab, (byte) 0x34, (byte) 0x31, |
| (byte) 0x3d, (byte) 0xa4, (byte) 0x88, (byte) 0xd8, (byte) 0x8e, (byte) 0xa8, (byte) 0xa7, (byte) 0x6e, |
| (byte) 0x17, (byte) 0x03, (byte) 0xb7, (byte) 0x0f, (byte) 0x68, (byte) 0x7c, (byte) 0x64, (byte) 0x7b, |
| (byte) 0x92, (byte) 0xb8, (byte) 0x63, (byte) 0xe4, (byte) 0x9a, (byte) 0x67, (byte) 0x18, (byte) 0x81, |
| (byte) 0x27, (byte) 0xd4, (byte) 0x0b, (byte) 0x13, (byte) 0x48, (byte) 0xd3, (byte) 0x7d, (byte) 0x4e, |
| (byte) 0xf6, (byte) 0xa8, (byte) 0x8f, (byte) 0x56, (byte) 0x17, (byte) 0x2d, (byte) 0x08, (byte) 0x51, |
| }); |
| |
| public void testDSAGeneratorWithParams() throws Exception { |
| final DSAParameterSpec dsaSpec = new DSAParameterSpec(DSA_P, DSA_Q, DSA_G); |
| |
| boolean failure = false; |
| |
| final Provider[] providers = Security.getProviders(); |
| for (final Provider p : providers) { |
| Service s = p.getService("KeyPairGenerator", "DSA"); |
| if (s == null) { |
| continue; |
| } |
| |
| final KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", p); |
| kpg.initialize(dsaSpec); |
| KeyPair pair = kpg.generateKeyPair(); |
| DSAPrivateKey privKey = (DSAPrivateKey) pair.getPrivate(); |
| DSAPublicKey pubKey = (DSAPublicKey) pair.getPublic(); |
| |
| DSAParams actualParams = privKey.getParams(); |
| assertNotNull("DSA params should not be null", actualParams); |
| |
| assertEquals("DSA P should be the same as supplied with provider " + p.getName(), |
| DSA_P, actualParams.getP()); |
| assertEquals("DSA Q should be the same as supplied with provider " + p.getName(), |
| DSA_Q, actualParams.getQ()); |
| assertEquals("DSA G should be the same as supplied with provider " + p.getName(), |
| DSA_G, actualParams.getG()); |
| |
| actualParams = pubKey.getParams(); |
| assertNotNull("DSA params should not be null", actualParams); |
| |
| assertEquals("DSA P should be the same as supplied with provider " + p.getName(), |
| DSA_P, actualParams.getP()); |
| assertEquals("DSA Q should be the same as supplied with provider " + p.getName(), |
| DSA_Q, actualParams.getQ()); |
| assertEquals("DSA G should be the same as supplied with provider " + p.getName(), |
| DSA_G, actualParams.getG()); |
| } |
| } |
| } |
