| /* |
| * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import static javax.crypto.Cipher.PRIVATE_KEY; |
| import static javax.crypto.Cipher.PUBLIC_KEY; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.security.InvalidKeyException; |
| import java.security.Key; |
| import java.security.KeyFactory; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.NoSuchProviderException; |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.Signature; |
| import java.security.interfaces.RSAPrivateCrtKey; |
| import java.security.interfaces.RSAPublicKey; |
| import java.security.spec.InvalidKeySpecException; |
| import java.security.spec.MGF1ParameterSpec; |
| import java.security.spec.PKCS8EncodedKeySpec; |
| import java.security.spec.PSSParameterSpec; |
| import java.security.spec.RSAKeyGenParameterSpec; |
| import java.security.spec.RSAPrivateCrtKeySpec; |
| import java.security.spec.RSAPublicKeySpec; |
| import java.security.spec.X509EncodedKeySpec; |
| import java.util.Arrays; |
| |
| /** |
| * @test @bug 8242335 |
| * @summary Test RSASSA-PSS serialized keys |
| * @run main SerializedPSSKey |
| */ |
| public class SerializedPSSKey { |
| |
| private static final String ALGO = "RSASSA-PSS"; |
| private static final String OID = "1.2.840.113549.1.1.10"; |
| private static final String PROVIDER = "SunRsaSign"; |
| private static final int KEY_SIZE = 2048; |
| private static final byte[] DATA = "Test".getBytes(); |
| /** |
| * Digest algorithms to test w/ RSASSA-PSS signature algorithms |
| */ |
| private static final String[] DIGEST_ALG = { |
| "SHA-1", "SHA-224", "SHA-256", "SHA-384", |
| "SHA-512", "SHA-512/224", "SHA-512/256" |
| }; |
| |
| public static void main(String[] args) throws Exception { |
| |
| for (String algo : new String[]{ALGO, OID}) { |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance(algo, PROVIDER); |
| |
| // Algorithm-Independent Initialization |
| kpg.initialize(KEY_SIZE); |
| KeyPair kp = kpg.generateKeyPair(); |
| test(algo, kp, null); |
| for (String digest : DIGEST_ALG) { |
| PSSParameterSpec params = genPSSParameter(digest, KEY_SIZE); |
| // RSAKeyGenParameterSpec#1 Initialization |
| kpg.initialize(new RSAKeyGenParameterSpec(KEY_SIZE, |
| RSAKeyGenParameterSpec.F4, params)); |
| KeyPair kp2 = kpg.generateKeyPair(); |
| test(algo, kp2, params); |
| } |
| System.out.println("Successful with : " + algo); |
| } |
| } |
| |
| private static void test(String algo, KeyPair orig, PSSParameterSpec params) |
| throws Exception { |
| |
| Key[] privs = manipulateKey(algo, PRIVATE_KEY, orig.getPrivate()); |
| Key[] pubs = manipulateKey(algo, PUBLIC_KEY, orig.getPublic()); |
| for (Key pri : privs) { |
| for (Key pub : pubs) { |
| testSerialize(orig, new KeyPair( |
| (PublicKey) pub, (PrivateKey) pri)); |
| if (params != null) { |
| testSignature(algo, (PublicKey) pub, |
| (PrivateKey) pri, params); |
| } |
| } |
| } |
| } |
| |
| private static void testSignature(String algo, PublicKey pub, |
| PrivateKey priv, PSSParameterSpec params) throws Exception { |
| |
| Signature sig = Signature.getInstance(algo, PROVIDER); |
| sig.setParameter(params); |
| sig.initSign(priv); |
| sig.update(DATA); |
| byte[] signature = sig.sign(); |
| |
| sig.initVerify(pub); |
| sig.update(DATA); |
| if (!sig.verify(signature)) { |
| throw new RuntimeException("Signature verification failed"); |
| } |
| // Re-verify the signature with another Signature instance |
| Signature sig1 = Signature.getInstance(algo, PROVIDER); |
| sig1.setParameter(params); |
| sig1.initVerify(pub); |
| sig1.update(DATA); |
| if (!sig1.verify(signature)) { |
| throw new RuntimeException("Signature verification failed"); |
| } |
| } |
| |
| private static Key[] manipulateKey(String algo, int type, Key key) |
| throws NoSuchAlgorithmException, InvalidKeySpecException, |
| NoSuchProviderException, InvalidKeyException { |
| |
| KeyFactory kf = KeyFactory.getInstance(algo, PROVIDER); |
| switch (type) { |
| case PUBLIC_KEY: |
| return new Key[]{ |
| kf.generatePublic(kf.getKeySpec(key, RSAPublicKeySpec.class)), |
| kf.generatePublic(new X509EncodedKeySpec(key.getEncoded())), |
| kf.generatePublic(new RSAPublicKeySpec( |
| ((RSAPublicKey) key).getModulus(), |
| ((RSAPublicKey) key).getPublicExponent(), |
| ((RSAPublicKey) key).getParams())), |
| kf.translateKey(key) |
| }; |
| case PRIVATE_KEY: |
| RSAPrivateCrtKey crtKey = (RSAPrivateCrtKey) key; |
| return new Key[]{ |
| kf.generatePrivate( |
| kf.getKeySpec(key, RSAPrivateCrtKeySpec.class)), |
| kf.generatePrivate(new PKCS8EncodedKeySpec(key.getEncoded())), |
| kf.generatePrivate(new RSAPrivateCrtKeySpec( |
| crtKey.getModulus(), |
| crtKey.getPublicExponent(), |
| crtKey.getPrivateExponent(), |
| crtKey.getPrimeP(), |
| crtKey.getPrimeQ(), |
| crtKey.getPrimeExponentP(), |
| crtKey.getPrimeExponentQ(), |
| crtKey.getCrtCoefficient(), |
| crtKey.getParams() |
| )), |
| kf.translateKey(key) |
| }; |
| } |
| throw new RuntimeException("We shouldn't reach here"); |
| } |
| |
| private static PSSParameterSpec genPSSParameter(String digest, int keySize) |
| throws NoSuchAlgorithmException { |
| |
| int dgLen = MessageDigest.getInstance(digest).getDigestLength(); |
| // pick a salt length based on the key length and digestAlgo |
| int saltLength = keySize / 8 - dgLen - 2; |
| if (saltLength < 0) { |
| System.out.printf("keysize: %s, digestLen: %s%n", keySize / 8, dgLen); |
| return null; |
| } |
| return new PSSParameterSpec(digest, "MGF1", new MGF1ParameterSpec(digest), |
| saltLength, PSSParameterSpec.TRAILER_FIELD_BC); |
| } |
| |
| /** |
| * Compare original KeyPair with transformed ones. |
| */ |
| private static void testKeyEquals(KeyPair orig, PublicKey pubKey, |
| PrivateKey priKey) { |
| |
| if (!orig.getPrivate().equals(priKey) |
| && orig.getPrivate().hashCode() != priKey.hashCode() |
| && !Arrays.equals(orig.getPrivate().getEncoded(), |
| priKey.getEncoded())) { |
| throw new RuntimeException( |
| "PrivateKey is not equal with transformed one"); |
| } |
| if (!orig.getPublic().equals(pubKey) |
| && orig.getPublic().hashCode() != pubKey.hashCode() |
| && !Arrays.equals(orig.getPublic().getEncoded(), |
| pubKey.getEncoded())) { |
| throw new RuntimeException( |
| "PublicKey is not equal with transformed one"); |
| } |
| } |
| |
| /** |
| * Test serialization of KeyPair and Keys it holds. |
| */ |
| private static void testSerialize(KeyPair orig, KeyPair transformed) |
| throws Exception { |
| |
| testKeyEquals(orig, transformed.getPublic(), transformed.getPrivate()); |
| PrivateKey serializedPrivate = deserializedCopy(transformed.getPrivate(), |
| PrivateKey.class); |
| PublicKey serializedPublic = deserializedCopy(transformed.getPublic(), |
| PublicKey.class); |
| testKeyEquals(orig, serializedPublic, serializedPrivate); |
| // Verify Serialized KeyPair instance. |
| KeyPair copy = deserializedCopy(transformed, KeyPair.class); |
| testKeyEquals(orig, copy.getPublic(), copy.getPrivate()); |
| } |
| |
| private static <T extends Object> T deserializedCopy(T orig, Class<T> type) |
| throws IOException, ClassNotFoundException { |
| return deserialize(serialize(orig), type); |
| } |
| |
| /** |
| * Deserialize the Key object. |
| */ |
| private static <T extends Object> T deserialize(byte[] serialized, |
| Class<T> type) throws IOException, ClassNotFoundException { |
| |
| T key = null; |
| try (ByteArrayInputStream bis = new ByteArrayInputStream(serialized); |
| ObjectInputStream ois = new ObjectInputStream(bis)) { |
| key = (T) ois.readObject(); |
| } |
| return key; |
| } |
| |
| /** |
| * Serialize the given Key object. |
| */ |
| private static <T extends Object> byte[] serialize(T key) |
| throws IOException { |
| |
| try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(bos)) { |
| oos.writeObject(key); |
| return bos.toByteArray(); |
| } |
| } |
| |
| } |