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Diffstat (limited to 'libjava/classpath/gnu/java/security/jce/sig/EncodedKeyFactory.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/jce/sig/EncodedKeyFactory.java | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/libjava/classpath/gnu/java/security/jce/sig/EncodedKeyFactory.java b/libjava/classpath/gnu/java/security/jce/sig/EncodedKeyFactory.java deleted file mode 100644 index ec742013863..00000000000 --- a/libjava/classpath/gnu/java/security/jce/sig/EncodedKeyFactory.java +++ /dev/null @@ -1,431 +0,0 @@ -/* EncodedKeyFactory.java -- JCE Encoded key factory Adapter - Copyright (C) 2006, 2010 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.security.jce.sig; - -import gnu.java.security.Configuration; -import gnu.java.security.Registry; -import gnu.java.security.key.dss.DSSPrivateKey; -import gnu.java.security.key.dss.DSSPublicKey; -import gnu.java.security.key.rsa.GnuRSAPrivateKey; -import gnu.java.security.key.rsa.GnuRSAPublicKey; - -import java.lang.reflect.Constructor; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.math.BigInteger; -import java.security.InvalidKeyException; -import java.security.InvalidParameterException; -import java.security.Key; -import java.security.KeyFactorySpi; -import java.security.PrivateKey; -import java.security.PublicKey; -import java.security.spec.DSAPrivateKeySpec; -import java.security.spec.DSAPublicKeySpec; -import java.security.spec.InvalidKeySpecException; -import java.security.spec.KeySpec; -import java.security.spec.PKCS8EncodedKeySpec; -import java.security.spec.RSAPrivateCrtKeySpec; -import java.security.spec.RSAPublicKeySpec; -import java.security.spec.X509EncodedKeySpec; -import java.util.logging.Level; -import java.util.logging.Logger; - -import javax.crypto.interfaces.DHPrivateKey; -import javax.crypto.interfaces.DHPublicKey; -import javax.crypto.spec.DHPrivateKeySpec; -import javax.crypto.spec.DHPublicKeySpec; - -/** - * A factory for keys encoded in either the X.509 format (for public keys) or - * the PKCS#8 format (for private keys). - */ -public class EncodedKeyFactory - extends KeyFactorySpi -{ - private static final Logger log = Configuration.DEBUG ? - Logger.getLogger(EncodedKeyFactory.class.getName()) : null; - - private static Object invokeConstructor(String className, Object[] params) - throws InvalidKeySpecException - { - Class clazz = getConcreteClass(className); - try - { - Constructor ctor = getConcreteCtor(clazz); - Object result = ctor.newInstance(params); - return result; - } - catch (InstantiationException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - catch (IllegalAccessException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - catch (InvocationTargetException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - } - - private static Class getConcreteClass(String className) - throws InvalidKeySpecException - { - try - { - Class result = Class.forName(className); - return result; - } - catch (ClassNotFoundException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - } - - private static Constructor getConcreteCtor(Class clazz) - throws InvalidKeySpecException - { - try - { - Constructor result = clazz.getConstructor(new Class[] {int.class, - BigInteger.class, - BigInteger.class, - BigInteger.class, - BigInteger.class}); - return result; - } - catch (NoSuchMethodException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - } - - private static Object invokeValueOf(String className, byte[] encoded) - throws InvalidKeySpecException - { - Class clazz = getConcreteClass(className); - try - { - Method valueOf = getValueOfMethod(clazz); - Object result = valueOf.invoke(null, new Object[] { encoded }); - return result; - } - catch (IllegalAccessException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - catch (InvocationTargetException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - } - - private static Method getValueOfMethod(Class clazz) - throws InvalidKeySpecException - { - try - { - Method result = clazz.getMethod("valueOf", new Class[] {byte[].class}); - return result; - } - catch (NoSuchMethodException x) - { - throw new InvalidKeySpecException(x.getMessage(), x); - } - } - - protected PublicKey engineGeneratePublic(KeySpec keySpec) - throws InvalidKeySpecException - { - if (Configuration.DEBUG) - log.entering(this.getClass().getName(), "engineGeneratePublic()", keySpec); - PublicKey result = null; - if (keySpec instanceof DSAPublicKeySpec) - result = decodeDSSPublicKey((DSAPublicKeySpec) keySpec); - else if (keySpec instanceof RSAPublicKeySpec) - result = decodeRSAPublicKey((RSAPublicKeySpec) keySpec); - else if (keySpec instanceof DHPublicKeySpec) - result = decodeDHPublicKey((DHPublicKeySpec) keySpec); - else - { - if (! (keySpec instanceof X509EncodedKeySpec)) - throw new InvalidKeySpecException("Unsupported key specification"); - - byte[] input = ((X509EncodedKeySpec) keySpec).getEncoded(); - boolean ok = false; - // try DSS - try - { - result = DSSPublicKey.valueOf(input); - ok = true; - } - catch (InvalidParameterException ignored) - { - if (Configuration.DEBUG) - log.log(Level.FINE, "Exception in DSSPublicKey.valueOf(). Ignore", - ignored); - } - if (! ok) // try RSA - try - { - result = GnuRSAPublicKey.valueOf(input); - ok = true; - } - catch (InvalidParameterException ignored) - { - if (Configuration.DEBUG) - log.log(Level.FINE, - "Exception in GnuRSAPublicKey.valueOf(). Ignore", - ignored); - } - if (! ok) // try DH - result = decodeDHPublicKey(input); - } - if (Configuration.DEBUG) - log.exiting(this.getClass().getName(), "engineGeneratePublic()", result); - return result; - } - - protected PrivateKey engineGeneratePrivate(KeySpec keySpec) - throws InvalidKeySpecException - { - if (Configuration.DEBUG) - log.entering(this.getClass().getName(), "engineGeneratePrivate()", keySpec); - PrivateKey result = null; - if (keySpec instanceof DSAPrivateKeySpec) - result = decodeDSSPrivateKey((DSAPrivateKeySpec) keySpec); - else if (keySpec instanceof RSAPrivateCrtKeySpec) - result = decodeRSAPrivateKey((RSAPrivateCrtKeySpec) keySpec); - else if (keySpec instanceof DHPrivateKeySpec) - result = decodeDHPrivateKey((DHPrivateKeySpec) keySpec); - else - { - if (! (keySpec instanceof PKCS8EncodedKeySpec)) - throw new InvalidKeySpecException("Unsupported key specification"); - - byte[] input = ((PKCS8EncodedKeySpec) keySpec).getEncoded(); - boolean ok = false; - // try DSS - try - { - result = DSSPrivateKey.valueOf(input); - ok = true; - } - catch (InvalidParameterException ignored) - { - if (Configuration.DEBUG) - log.log(Level.FINE, "Exception in DSSPrivateKey.valueOf(). Ignore", - ignored); - } - if (! ok) // try RSA - try - { - result = GnuRSAPrivateKey.valueOf(input); - ok = true; - } - catch (InvalidParameterException ignored) - { - if (Configuration.DEBUG) - log.log(Level.FINE, - "Exception in GnuRSAPrivateKey.valueOf(). Ignore", - ignored); - } - if (! ok) // try DH - result = decodeDHPrivateKey(input); - } - if (Configuration.DEBUG) - log.exiting(this.getClass().getName(), "engineGeneratePrivate()", result); - return result; - } - - protected KeySpec engineGetKeySpec(Key key, Class keySpec) - throws InvalidKeySpecException - { - if (key instanceof PublicKey - && Registry.X509_ENCODING_SORT_NAME.equalsIgnoreCase(key.getFormat()) - && keySpec.isAssignableFrom(X509EncodedKeySpec.class)) - return new X509EncodedKeySpec(key.getEncoded()); - - if (key instanceof PrivateKey - && Registry.PKCS8_ENCODING_SHORT_NAME.equalsIgnoreCase(key.getFormat()) - && keySpec.isAssignableFrom(PKCS8EncodedKeySpec.class)) - return new PKCS8EncodedKeySpec(key.getEncoded()); - - throw new InvalidKeySpecException("Unsupported format or invalid key spec class"); - } - - protected Key engineTranslateKey(Key key) throws InvalidKeyException - { - throw new InvalidKeyException("Key translation not supported"); - } - - /** - * @param spec an instance of {@link DSAPublicKeySpec} to decode. - * @return an instance of {@link DSSPublicKey} constructed from the - * information in the designated key-specification. - */ - private DSSPublicKey decodeDSSPublicKey(DSAPublicKeySpec spec) - { - BigInteger p = spec.getP(); - BigInteger q = spec.getQ(); - BigInteger g = spec.getG(); - BigInteger y = spec.getY(); - return new DSSPublicKey(Registry.X509_ENCODING_ID, p, q, g, y); - } - - /** - * @param spec an instance of {@link RSAPublicKeySpec} to decode. - * @return an instance of {@link GnuRSAPublicKey} constructed from the - * information in the designated key-specification. - */ - private GnuRSAPublicKey decodeRSAPublicKey(RSAPublicKeySpec spec) - { - BigInteger n = spec.getModulus(); - BigInteger e = spec.getPublicExponent(); - return new GnuRSAPublicKey(Registry.X509_ENCODING_ID, n, e); - } - - /** - * @param spec an instance of {@link DHPublicKeySpec} to decode. - * @return an instance of a {@link DHPublicKey} constructed from the - * information in the designated key-specification. - * @throws InvalidKeySpecException if no concrete implementation of the - * {@link DHPublicKey} interface exists at run-time, or if an - * exception occurs during its instantiation. - */ - private DHPublicKey decodeDHPublicKey(DHPublicKeySpec spec) - throws InvalidKeySpecException - { - BigInteger p = spec.getP(); - BigInteger g = spec.getG(); - BigInteger y = spec.getY(); - Object[] params = new Object[] {Integer.valueOf(Registry.X509_ENCODING_ID), - null, p, g, y}; - Object obj = invokeConstructor("gnu.javax.crypto.key.dh.GnuDHPublicKey", - params); - return (DHPublicKey) obj; - } - - /** - * @param encoded the bytes to decode. - * @return an instance of a {@link DHPublicKey} constructed from the - * information in the designated key-specification. - * @throws InvalidKeySpecException if no concrete implementation of the - * {@link DHPublicKey} interface exists at run-time, or if an - * exception occurs during its instantiation. - */ - private DHPublicKey decodeDHPublicKey(byte[] encoded) - throws InvalidKeySpecException - { - Object obj = invokeValueOf("gnu.javax.crypto.key.dh.GnuDHPublicKey", - encoded); - return (DHPublicKey) obj; - } - - /** - * @param spec an instance of {@link DSAPrivateKeySpec} to decode. - * @return an instance of {@link DSSPrivateKey} constructed from the - * information in the designated key-specification. - */ - private PrivateKey decodeDSSPrivateKey(DSAPrivateKeySpec spec) - { - BigInteger p = spec.getP(); - BigInteger q = spec.getQ(); - BigInteger g = spec.getG(); - BigInteger x = spec.getX(); - return new DSSPrivateKey(Registry.PKCS8_ENCODING_ID, p, q, g, x); - } - - /** - * @param spec an instance of {@link RSAPrivateCrtKeySpec} to decode. - * @return an instance of {@link GnuRSAPrivateKey} constructed from the - * information in the designated key-specification. - */ - private PrivateKey decodeRSAPrivateKey(RSAPrivateCrtKeySpec spec) - { - BigInteger n = spec.getModulus(); - BigInteger e = spec.getPublicExponent(); - BigInteger d = spec.getPrivateExponent(); - BigInteger p = spec.getPrimeP(); - BigInteger q = spec.getPrimeQ(); - BigInteger dP = spec.getPrimeExponentP(); - BigInteger dQ = spec.getPrimeExponentQ(); - BigInteger qInv = spec.getCrtCoefficient(); - return new GnuRSAPrivateKey(Registry.PKCS8_ENCODING_ID, - n, e, d, p, q, dP, dQ, qInv); - } - - /** - * @param spec an instance of {@link DHPrivateKeySpec} to decode. - * @return an instance of a {@link DHPrivateKey} constructed from the - * information in the designated key-specification. - * @throws InvalidKeySpecException if no concrete implementation of the - * {@link DHPrivateKey} interface exists at run-time, or if an - * exception occurs during its instantiation. - */ - private DHPrivateKey decodeDHPrivateKey(DHPrivateKeySpec spec) - throws InvalidKeySpecException - { - BigInteger p = spec.getP(); - BigInteger g = spec.getG(); - BigInteger x = spec.getX(); - Object[] params = new Object[] {Integer.valueOf(Registry.PKCS8_ENCODING_ID), - null, p, g, x}; - Object obj = invokeConstructor("gnu.javax.crypto.key.dh.GnuDHPrivateKey", - params); - return (DHPrivateKey) obj; - } - - /** - * @param encoded the bytes to decode. - * @return an instance of a {@link DHPrivateKey} constructed from the - * information in the designated key-specification. - * @throws InvalidKeySpecException if no concrete implementation of the - * {@link DHPrivateKey} interface exists at run-time, or if an - * exception occurs during its instantiation. - */ - private DHPrivateKey decodeDHPrivateKey(byte[] encoded) - throws InvalidKeySpecException - { - Object obj = invokeValueOf("gnu.javax.crypto.key.dh.GnuDHPrivateKey", - encoded); - return (DHPrivateKey) obj; - } -} |