8aa540d2f7
Imported GNU Classpath 0.90
* scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
* gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
* java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
* java/lang/Math.java: New override file.
* java/lang/Character.java: Merged from Classpath.
(start, end): Now 'int's.
(canonicalName): New field.
(CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
(UnicodeBlock): Added argument.
(of): New overload.
(forName): New method.
Updated unicode blocks.
(sets): Updated.
* sources.am: Regenerated.
* Makefile.in: Likewise.
From-SVN: r111942
265 lines
9.6 KiB
Java
265 lines
9.6 KiB
Java
/* RSAKeyFactory.java -- RSA key-factory JCE Adapter
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.security.jce.sig;
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import gnu.java.security.Registry;
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import gnu.java.security.key.rsa.GnuRSAPrivateKey;
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import gnu.java.security.key.rsa.GnuRSAPublicKey;
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import gnu.java.security.key.rsa.RSAKeyPairPKCS8Codec;
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import gnu.java.security.key.rsa.RSAKeyPairX509Codec;
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import java.math.BigInteger;
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import java.security.InvalidKeyException;
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import java.security.Key;
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import java.security.KeyFactorySpi;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.interfaces.RSAPrivateCrtKey;
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import java.security.interfaces.RSAPrivateKey;
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import java.security.interfaces.RSAPublicKey;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.KeySpec;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.security.spec.RSAPrivateCrtKeySpec;
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import java.security.spec.RSAPrivateKeySpec;
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import java.security.spec.RSAPublicKeySpec;
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import java.security.spec.X509EncodedKeySpec;
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public class RSAKeyFactory
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extends KeyFactorySpi
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{
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// implicit 0-arguments constructor
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protected PublicKey engineGeneratePublic(KeySpec keySpec)
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throws InvalidKeySpecException
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{
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if (keySpec instanceof RSAPublicKeySpec)
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{
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RSAPublicKeySpec spec = (RSAPublicKeySpec) keySpec;
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BigInteger n = spec.getModulus();
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BigInteger e = spec.getPublicExponent();
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return new GnuRSAPublicKey(Registry.X509_ENCODING_ID, n, e);
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}
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if (keySpec instanceof X509EncodedKeySpec)
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{
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X509EncodedKeySpec spec = (X509EncodedKeySpec) keySpec;
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byte[] encoded = spec.getEncoded();
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PublicKey result;
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try
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{
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result = new RSAKeyPairX509Codec().decodePublicKey(encoded);
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}
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catch (RuntimeException x)
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{
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InvalidKeySpecException y = new InvalidKeySpecException();
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y.initCause(x);
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throw y;
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}
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}
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throw new InvalidKeySpecException("Unsupported (public) key specification");
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}
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protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
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throws InvalidKeySpecException
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{
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if (keySpec instanceof RSAPrivateCrtKeySpec)
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{
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RSAPrivateCrtKeySpec spec = (RSAPrivateCrtKeySpec) keySpec;
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BigInteger n = spec.getModulus();
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BigInteger e = spec.getPublicExponent();
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BigInteger d = spec.getPrivateExponent();
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BigInteger p = spec.getPrimeP();
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BigInteger q = spec.getPrimeQ();
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BigInteger dP = spec.getPrimeExponentP();
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BigInteger dQ = spec.getPrimeExponentQ();
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BigInteger qInv = spec.getCrtCoefficient();
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return new GnuRSAPrivateKey(Registry.PKCS8_ENCODING_ID,
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n, e, d, p, q, dP, dQ, qInv);
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}
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// if (keySpec instanceof RSAPrivateKeySpec)
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// {
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// RSAPrivateKeySpec spec = (RSAPrivateKeySpec) keySpec;
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// BigInteger n = spec.getModulus();
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// BigInteger d = spec.getPrivateExponent();
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// return new GnuRSAPrivateKey(Registry.PKCS8_ENCODING_ID,
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// n, null, d, null, null, null, null, null);
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// }
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if (keySpec instanceof PKCS8EncodedKeySpec)
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{
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PKCS8EncodedKeySpec spec = (PKCS8EncodedKeySpec) keySpec;
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byte[] encoded = spec.getEncoded();
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PrivateKey result;
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try
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{
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result = new RSAKeyPairPKCS8Codec().decodePrivateKey(encoded);
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}
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catch (RuntimeException x)
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{
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InvalidKeySpecException y = new InvalidKeySpecException();
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y.initCause(x);
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throw y;
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}
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}
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throw new InvalidKeySpecException("Unsupported (private) key specification");
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}
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protected KeySpec engineGetKeySpec(Key key, Class keySpec)
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throws InvalidKeySpecException
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{
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if (key instanceof RSAPublicKey)
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{
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if (keySpec.isAssignableFrom(RSAPublicKeySpec.class))
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{
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RSAPublicKey rsaKey = (RSAPublicKey) key;
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BigInteger n = rsaKey.getModulus();
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BigInteger e = rsaKey.getPublicExponent();
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return new RSAPublicKeySpec(n, e);
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}
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if (keySpec.isAssignableFrom(X509EncodedKeySpec.class))
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{
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if (key instanceof GnuRSAPublicKey)
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{
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GnuRSAPublicKey rsaKey = (GnuRSAPublicKey) key;
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byte[] encoded = rsaKey.getEncoded(Registry.X509_ENCODING_ID);
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return new X509EncodedKeySpec(encoded);
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}
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if (Registry.X509_ENCODING_SORT_NAME.equalsIgnoreCase(key.getFormat()))
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{
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byte[] encoded = key.getEncoded();
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return new X509EncodedKeySpec(encoded);
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}
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throw new InvalidKeySpecException("Wrong key type or unsupported (public) key specification");
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}
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throw new InvalidKeySpecException("Unsupported (public) key specification");
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}
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if ((key instanceof RSAPrivateCrtKey)
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&& keySpec.isAssignableFrom(RSAPrivateCrtKeySpec.class))
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{
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RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;
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BigInteger n = rsaKey.getModulus();
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BigInteger e = rsaKey.getPublicExponent();
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BigInteger d = rsaKey.getPrivateExponent();
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BigInteger p = rsaKey.getPrimeP();
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BigInteger q = rsaKey.getPrimeQ();
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BigInteger dP = rsaKey.getPrimeExponentP();
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BigInteger dQ = rsaKey.getPrimeExponentQ();
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BigInteger qInv = rsaKey.getCrtCoefficient();
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return new RSAPrivateCrtKeySpec(n, e, d, p, q, dP, dQ, qInv);
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}
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if ((key instanceof RSAPrivateKey)
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&& keySpec.isAssignableFrom(RSAPrivateKeySpec.class))
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{
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RSAPrivateKey rsaKey = (RSAPrivateKey) key;
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BigInteger n = rsaKey.getModulus();
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BigInteger d = rsaKey.getPrivateExponent();
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return new RSAPrivateKeySpec(n, d);
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}
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if (keySpec.isAssignableFrom(PKCS8EncodedKeySpec.class))
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{
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if (key instanceof GnuRSAPrivateKey)
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{
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GnuRSAPrivateKey rsaKey = (GnuRSAPrivateKey) key;
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byte[] encoded = rsaKey.getEncoded(Registry.PKCS8_ENCODING_ID);
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return new PKCS8EncodedKeySpec(encoded);
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}
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if (Registry.PKCS8_ENCODING_SHORT_NAME.equalsIgnoreCase(key.getFormat()))
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{
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byte[] encoded = key.getEncoded();
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return new PKCS8EncodedKeySpec(encoded);
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}
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throw new InvalidKeySpecException("Wrong key type or unsupported (private) key specification");
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}
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throw new InvalidKeySpecException("Wrong key type or unsupported key specification");
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}
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protected Key engineTranslateKey(Key key) throws InvalidKeyException
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{
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if ((key instanceof GnuRSAPublicKey) || (key instanceof GnuRSAPrivateKey))
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return key;
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if (key instanceof RSAPublicKey)
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{
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RSAPublicKey rsaKey = (RSAPublicKey) key;
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BigInteger n = rsaKey.getModulus();
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BigInteger e = rsaKey.getPublicExponent();
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return new GnuRSAPublicKey(Registry.X509_ENCODING_ID, n, e);
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}
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if (key instanceof RSAPrivateCrtKey)
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{
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RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;
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BigInteger n = rsaKey.getModulus();
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BigInteger e = rsaKey.getPublicExponent();
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BigInteger d = rsaKey.getPrivateExponent();
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BigInteger p = rsaKey.getPrimeP();
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BigInteger q = rsaKey.getPrimeQ();
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BigInteger dP = rsaKey.getPrimeExponentP();
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BigInteger dQ = rsaKey.getPrimeExponentQ();
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BigInteger qInv = rsaKey.getCrtCoefficient();
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return new GnuRSAPrivateKey(Registry.PKCS8_ENCODING_ID,
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n, e, d, p, q, dP, dQ, qInv);
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}
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// if (key instanceof RSAPrivateKey)
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// {
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// RSAPrivateKey rsaKey = (RSAPrivateKey) key;
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// BigInteger n = rsaKey.getModulus();
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// BigInteger d = rsaKey.getPrivateExponent();
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// return new GnuRSAPrivateKey(Registry.PKCS8_ENCODING_ID,
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// n, null, d, null, null, null, null, null);
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// }
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throw new InvalidKeyException("Unsupported key type");
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}
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}
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