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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
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*
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* 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 .
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*/
/**
* @ test
* @ bug 8146293 8242556 8172366 8254717
* @ summary Test RSASSA - PSS Key related support such as KeyPairGenerator
* and KeyFactory of the SunRsaSign provider
*/
import java.io.*;
import java.util.*;
import java.math.BigInteger;
import java.security.*;
import java.security.interfaces.*;
import java.security.spec.*;
public class TestPSSKeySupport {
private static final String ALGO = "RSASSA-PSS" ;
/**
* Test that key1 ( reference key ) and key2 ( key to be tested ) are
* equivalent
*/
private static void testKey(Key key1, Key key2) throws Exception {
if (key2.getAlgorithm().equals(ALGO) == false ) {
throw new Exception("Algorithm not " + ALGO);
}
if (key1 instanceof PublicKey) {
if (key2.getFormat().equals("X.509" ) == false ) {
throw new Exception("Format not X.509" );
}
} else if (key1 instanceof PrivateKey) {
if (key2.getFormat().equals("PKCS#8" ) == false ) {
throw new Exception("Format not PKCS#8" );
}
}
if (key1.equals(key2) == false ) {
throw new Exception("Keys not equal" );
}
if (Arrays.equals(key1.getEncoded(), key2.getEncoded()) == false ) {
throw new Exception("Encodings not equal" );
}
}
private static void testPublic(KeyFactory kf, PublicKey key) throws Exception {
System.out.println("Testing public key..." );
PublicKey key2 = (PublicKey)kf.translateKey(key);
KeySpec rsaSpec = kf.getKeySpec(key, RSAPublicKeySpec.class );
PublicKey key3 = kf.generatePublic(rsaSpec);
KeySpec x509Spec = kf.getKeySpec(key, X509EncodedKeySpec.class );
PublicKey key4 = kf.generatePublic(x509Spec);
KeySpec x509Spec2 = new X509EncodedKeySpec(key.getEncoded());
PublicKey key5 = kf.generatePublic(x509Spec2);
testKey(key, key);
testKey(key, key2);
testKey(key, key3);
testKey(key, key4);
testKey(key, key5);
}
private static void testPrivate(KeyFactory kf, PrivateKey key) throws Exception {
System.out.println("Testing private key..." );
PrivateKey key2 = (PrivateKey)kf.translateKey(key);
KeySpec rsaSpec = kf.getKeySpec(key, RSAPrivateCrtKeySpec.class );
PrivateKey key3 = kf.generatePrivate(rsaSpec);
KeySpec pkcs8Spec = kf.getKeySpec(key, PKCS8EncodedKeySpec.class );
PrivateKey key4 = kf.generatePrivate(pkcs8Spec);
KeySpec pkcs8Spec2 = new PKCS8EncodedKeySpec(key.getEncoded());
PrivateKey key5 = kf.generatePrivate(pkcs8Spec2);
testKey(key, key);
testKey(key, key2);
testKey(key, key3);
testKey(key, key4);
testKey(key, key5);
KeySpec rsaSpec2 = kf.getKeySpec(key, RSAPrivateKeySpec.class );
PrivateKey key6 = kf.generatePrivate(rsaSpec2);
RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key;
KeySpec rsaSpec3 = new RSAPrivateCrtKeySpec(rsaKey.getModulus(),
rsaKey.getPublicExponent(), rsaKey.getPrivateExponent(), rsaKey.getPrimeP(), rsaKey.getPrimeQ(),
rsaKey.getPrimeExponentP(), rsaKey.getPrimeExponentQ(), rsaKey.getCrtCoefficient(), rsaKey.getParams());
PrivateKey key7 = kf.generatePrivate(rsaSpec3);
testKey(key6, key6);
testKey(key6, key7);
}
private static void test(KeyFactory kf, Key key) throws Exception {
if (key.getAlgorithm().equals(ALGO) == false ) {
throw new Exception("Error: key algo should be " + ALGO);
}
if (key instanceof PublicKey) {
testPublic(kf, (PublicKey)key);
} else if (key instanceof PrivateKey) {
testPrivate(kf, (PrivateKey)key);
}
}
private static void checkKeyPair(KeyPair kp) throws Exception {
PublicKey pubKey = kp.getPublic();
if (!(pubKey instanceof RSAPublicKey)) {
throw new Exception("Error: public key should be RSAPublicKey" );
}
PrivateKey privKey = kp.getPrivate();
if (!(privKey instanceof RSAPrivateKey)) {
throw new Exception("Error: private key should be RSAPrivateKey" );
}
}
public static void main(String[] args) throws Exception {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance(ALGO, "SunRsaSign" );
// Algorithm-Independent Initialization
kpg.initialize(2048 );
KeyPair kp = kpg.generateKeyPair();
checkKeyPair(kp);
BigInteger pubExp = ((RSAPublicKey)kp.getPublic()).getPublicExponent();
// Algorithm-specific Initialization
PSSParameterSpec params = new PSSParameterSpec("SHA-256" , "MGF1" ,
MGF1ParameterSpec.SHA256, 32 , 1 );
kpg.initialize(new RSAKeyGenParameterSpec(2048 , pubExp, params));
KeyPair kp2 = kpg.generateKeyPair();
checkKeyPair(kp2);
params = new PSSParameterSpec("SHA3-256" , "MGF1" ,
new MGF1ParameterSpec("SHA3-256" ), 32 , 1 );
kpg.initialize(new RSAKeyGenParameterSpec(2048 , pubExp, params));
KeyPair kp3 = kpg.generateKeyPair();
checkKeyPair(kp3);
KeyFactory kf = KeyFactory.getInstance(ALGO, "SunRsaSign" );
test(kf, kp.getPublic());
test(kf, kp.getPrivate());
test(kf, kp2.getPublic());
test(kf, kp2.getPrivate());
test(kf, kp3.getPublic());
test(kf, kp3.getPrivate());
}
}
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