jdk/src/share/classes/sun/security/pkcs11/P11RSAKeyFactory.java - platform/libcore - Git at Google

 /*
  * Copyright 2003 Sun Microsystems, Inc.  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.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */

 package sun.security.pkcs11;

 import java.math.BigInteger;

 import java.security.*;
 import java.security.interfaces.*;
 import java.security.spec.*;

 import static sun.security.pkcs11.TemplateManager.*;
 import sun.security.pkcs11.wrapper.*;
 import static sun.security.pkcs11.wrapper.PKCS11Constants.*;

 /**
  * RSA KeyFactory implemenation.
  *
  * @author  Andreas Sterbenz
  * @since   1.5
  */
 final class P11RSAKeyFactory extends P11KeyFactory {

     P11RSAKeyFactory(Token token, String algorithm) {
         super(token, algorithm);
     }

     PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
         try {
             if (key instanceof RSAPublicKey) {
                 RSAPublicKey rsaKey = (RSAPublicKey)key;
                 return generatePublic(
                     rsaKey.getModulus(),
                     rsaKey.getPublicExponent()
                 );
             } else if ("X.509".equals(key.getFormat())) {
                 // let SunRsaSign provider parse for us, then recurse
                 byte[] encoded = key.getEncoded();
                 key = new sun.security.rsa.RSAPublicKeyImpl(encoded);
                 return implTranslatePublicKey(key);
             } else {
                 throw new InvalidKeyException("PublicKey must be instance "
                         + "of RSAPublicKey or have X.509 encoding");
             }
         } catch (PKCS11Exception e) {
             throw new InvalidKeyException("Could not create RSA public key", e);
         }
     }

     PrivateKey implTranslatePrivateKey(PrivateKey key)
             throws InvalidKeyException {
         try {
             if (key instanceof RSAPrivateCrtKey) {
                 RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key;
                 return generatePrivate(
                     rsaKey.getModulus(),
                     rsaKey.getPublicExponent(),
                     rsaKey.getPrivateExponent(),
                     rsaKey.getPrimeP(),
                     rsaKey.getPrimeQ(),
                     rsaKey.getPrimeExponentP(),
                     rsaKey.getPrimeExponentQ(),
                     rsaKey.getCrtCoefficient()
                 );
             } else if (key instanceof RSAPrivateKey) {
                 RSAPrivateKey rsaKey = (RSAPrivateKey)key;
                 return generatePrivate(
                     rsaKey.getModulus(),
                     rsaKey.getPrivateExponent()
                 );
             } else if ("PKCS#8".equals(key.getFormat())) {
                 // let SunRsaSign provider parse for us, then recurse
                 byte[] encoded = key.getEncoded();
                 key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
                 return implTranslatePrivateKey(key);
             } else {
                 throw new InvalidKeyException("Private key must be instance "
                         + "of RSAPrivate(Crt)Key or have PKCS#8 encoding");
             }
         } catch (PKCS11Exception e) {
             throw new InvalidKeyException("Could not create RSA private key", e);
         }
     }

     // see JCA spec
     protected PublicKey engineGeneratePublic(KeySpec keySpec)
             throws InvalidKeySpecException {
         token.ensureValid();
         if (keySpec instanceof X509EncodedKeySpec) {
             try {
                 byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded();
                 PublicKey key = new sun.security.rsa.RSAPublicKeyImpl(encoded);
                 return implTranslatePublicKey(key);
             } catch (InvalidKeyException e) {
                 throw new InvalidKeySpecException
                         ("Could not create RSA public key", e);
             }
         }
         if (keySpec instanceof RSAPublicKeySpec == false) {
             throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
                 + "X509EncodedKeySpec supported for RSA public keys");
         }
         try {
             RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec;
             return generatePublic(
                 rs.getModulus(),
                 rs.getPublicExponent()
             );
         } catch (PKCS11Exception e) {
             throw new InvalidKeySpecException
                 ("Could not create RSA public key", e);
         }
     }

     // see JCA spec
     protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
             throws InvalidKeySpecException {
         token.ensureValid();
         if (keySpec instanceof PKCS8EncodedKeySpec) {
             try {
                 byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded();
                 PrivateKey key =
                         sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
                 return implTranslatePrivateKey(key);
             } catch (GeneralSecurityException e) {
                 throw new InvalidKeySpecException
                         ("Could not create RSA private key", e);
             }
         }
         try {
             if (keySpec instanceof RSAPrivateCrtKeySpec) {
                 RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec;
                 return generatePrivate(
                     rs.getModulus(),
                     rs.getPublicExponent(),
                     rs.getPrivateExponent(),
                     rs.getPrimeP(),
                     rs.getPrimeQ(),
                     rs.getPrimeExponentP(),
                     rs.getPrimeExponentQ(),
                     rs.getCrtCoefficient()
                 );
             } else if (keySpec instanceof RSAPrivateKeySpec) {
                 RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec;
                 return generatePrivate(
                     rs.getModulus(),
                     rs.getPrivateExponent()
                 );
             } else {
                 throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
                     + "and PKCS8EncodedKeySpec supported for RSA private keys");
             }
         } catch (PKCS11Exception e) {
             throw new InvalidKeySpecException
                 ("Could not create RSA private key", e);
         }
     }

     private PublicKey generatePublic(BigInteger n, BigInteger e)
             throws PKCS11Exception {
         CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
             new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
             new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
             new CK_ATTRIBUTE(CKA_MODULUS, n),
             new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
         };
         attributes = token.getAttributes
                 (O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes);
         Session session = null;
         try {
             session = token.getObjSession();
             long keyID = token.p11.C_CreateObject(session.id(), attributes);
             return P11Key.publicKey
                 (session, keyID, "RSA", n.bitLength(), attributes);
         } finally {
             token.releaseSession(session);
         }
     }

     private PrivateKey generatePrivate(BigInteger n, BigInteger d)
             throws PKCS11Exception {
         CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
             new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
             new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
             new CK_ATTRIBUTE(CKA_MODULUS, n),
             new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
         };
         attributes = token.getAttributes
                 (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
         Session session = null;
         try {
             session = token.getObjSession();
             long keyID = token.p11.C_CreateObject(session.id(), attributes);
             return P11Key.privateKey
                 (session,  keyID, "RSA", n.bitLength(), attributes);
         } finally {
             token.releaseSession(session);
         }
     }

     private PrivateKey generatePrivate(BigInteger n, BigInteger e,
             BigInteger d, BigInteger p, BigInteger q, BigInteger pe,
             BigInteger qe, BigInteger coeff) throws PKCS11Exception {
         CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
             new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
             new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
             new CK_ATTRIBUTE(CKA_MODULUS, n),
             new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
             new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
             new CK_ATTRIBUTE(CKA_PRIME_1, p),
             new CK_ATTRIBUTE(CKA_PRIME_2, q),
             new CK_ATTRIBUTE(CKA_EXPONENT_1, pe),
             new CK_ATTRIBUTE(CKA_EXPONENT_2, qe),
             new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff),
         };
         attributes = token.getAttributes
                 (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
         Session session = null;
         try {
             session = token.getObjSession();
             long keyID = token.p11.C_CreateObject(session.id(), attributes);
             return P11Key.privateKey
                 (session, keyID, "RSA", n.bitLength(), attributes);
         } finally {
             token.releaseSession(session);
         }
     }

     KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session)
             throws PKCS11Exception, InvalidKeySpecException {
         if (RSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
             session[0] = token.getObjSession();
             CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
                 new CK_ATTRIBUTE(CKA_MODULUS),
                 new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
             };
             token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
             KeySpec spec = new RSAPublicKeySpec(
                 attributes[0].getBigInteger(),
                 attributes[1].getBigInteger()
             );
             return spec;
         } else { // X.509 handled in superclass
             throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
                 + "X509EncodedKeySpec supported for RSA public keys");
         }
     }

     KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session)
             throws PKCS11Exception, InvalidKeySpecException {
         if (RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) {
             session[0] = token.getObjSession();
             CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
                 new CK_ATTRIBUTE(CKA_MODULUS),
                 new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
                 new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
                 new CK_ATTRIBUTE(CKA_PRIME_1),
                 new CK_ATTRIBUTE(CKA_PRIME_2),
                 new CK_ATTRIBUTE(CKA_EXPONENT_1),
                 new CK_ATTRIBUTE(CKA_EXPONENT_2),
                 new CK_ATTRIBUTE(CKA_COEFFICIENT),
             };
             token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
             KeySpec spec = new RSAPrivateCrtKeySpec(
                 attributes[0].getBigInteger(),
                 attributes[1].getBigInteger(),
                 attributes[2].getBigInteger(),
                 attributes[3].getBigInteger(),
                 attributes[4].getBigInteger(),
                 attributes[5].getBigInteger(),
                 attributes[6].getBigInteger(),
                 attributes[7].getBigInteger()
             );
             return spec;
         } else if (RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
             session[0] = token.getObjSession();
             CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
                 new CK_ATTRIBUTE(CKA_MODULUS),
                 new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
             };
             token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
             KeySpec spec = new RSAPrivateKeySpec(
                 attributes[0].getBigInteger(),
                 attributes[1].getBigInteger()
             );
             return spec;
         } else { // PKCS#8 handled in superclass
             throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
                 + "and PKCS8EncodedKeySpec supported for RSA private keys");
         }
     }

     KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
         return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider());
     }

 }
	/*
	* Copyright 2003 Sun Microsystems, Inc. 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. Sun designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Sun in the LICENSE file that accompanied this code.
	*
	* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	* CA 95054 USA or visit www.sun.com if you need additional information or
	* have any questions.
	*/

	package sun.security.pkcs11;

	import java.math.BigInteger;

	import java.security.*;
	import java.security.interfaces.*;
	import java.security.spec.*;

	import static sun.security.pkcs11.TemplateManager.*;
	import sun.security.pkcs11.wrapper.*;
	import static sun.security.pkcs11.wrapper.PKCS11Constants.*;

	/**
	* RSA KeyFactory implemenation.
	*
	* @author Andreas Sterbenz
	* @since 1.5
	*/
	final class P11RSAKeyFactory extends P11KeyFactory {

	P11RSAKeyFactory(Token token, String algorithm) {
	super(token, algorithm);
	}

	PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
	try {
	if (key instanceof RSAPublicKey) {
	RSAPublicKey rsaKey = (RSAPublicKey)key;
	return generatePublic(
	rsaKey.getModulus(),
	rsaKey.getPublicExponent()
	);
	} else if ("X.509".equals(key.getFormat())) {
	// let SunRsaSign provider parse for us, then recurse
	byte[] encoded = key.getEncoded();
	key = new sun.security.rsa.RSAPublicKeyImpl(encoded);
	return implTranslatePublicKey(key);
	} else {
	throw new InvalidKeyException("PublicKey must be instance "
	+ "of RSAPublicKey or have X.509 encoding");
	}
	} catch (PKCS11Exception e) {
	throw new InvalidKeyException("Could not create RSA public key", e);
	}
	}

	PrivateKey implTranslatePrivateKey(PrivateKey key)
	throws InvalidKeyException {
	try {
	if (key instanceof RSAPrivateCrtKey) {
	RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key;
	return generatePrivate(
	rsaKey.getModulus(),
	rsaKey.getPublicExponent(),
	rsaKey.getPrivateExponent(),
	rsaKey.getPrimeP(),
	rsaKey.getPrimeQ(),
	rsaKey.getPrimeExponentP(),
	rsaKey.getPrimeExponentQ(),
	rsaKey.getCrtCoefficient()
	);
	} else if (key instanceof RSAPrivateKey) {
	RSAPrivateKey rsaKey = (RSAPrivateKey)key;
	return generatePrivate(
	rsaKey.getModulus(),
	rsaKey.getPrivateExponent()
	);
	} else if ("PKCS#8".equals(key.getFormat())) {
	// let SunRsaSign provider parse for us, then recurse
	byte[] encoded = key.getEncoded();
	key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
	return implTranslatePrivateKey(key);
	} else {
	throw new InvalidKeyException("Private key must be instance "
	+ "of RSAPrivate(Crt)Key or have PKCS#8 encoding");
	}
	} catch (PKCS11Exception e) {
	throw new InvalidKeyException("Could not create RSA private key", e);
	}
	}

	// see JCA spec
	protected PublicKey engineGeneratePublic(KeySpec keySpec)
	throws InvalidKeySpecException {
	token.ensureValid();
	if (keySpec instanceof X509EncodedKeySpec) {
	try {
	byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded();
	PublicKey key = new sun.security.rsa.RSAPublicKeyImpl(encoded);
	return implTranslatePublicKey(key);
	} catch (InvalidKeyException e) {
	throw new InvalidKeySpecException
	("Could not create RSA public key", e);
	}
	}
	if (keySpec instanceof RSAPublicKeySpec == false) {
	throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
	+ "X509EncodedKeySpec supported for RSA public keys");
	}
	try {
	RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec;
	return generatePublic(
	rs.getModulus(),
	rs.getPublicExponent()
	);
	} catch (PKCS11Exception e) {
	throw new InvalidKeySpecException
	("Could not create RSA public key", e);
	}
	}

	// see JCA spec
	protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
	throws InvalidKeySpecException {
	token.ensureValid();
	if (keySpec instanceof PKCS8EncodedKeySpec) {
	try {
	byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded();
	PrivateKey key =
	sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded);
	return implTranslatePrivateKey(key);
	} catch (GeneralSecurityException e) {
	throw new InvalidKeySpecException
	("Could not create RSA private key", e);
	}
	}
	try {
	if (keySpec instanceof RSAPrivateCrtKeySpec) {
	RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec;
	return generatePrivate(
	rs.getModulus(),
	rs.getPublicExponent(),
	rs.getPrivateExponent(),
	rs.getPrimeP(),
	rs.getPrimeQ(),
	rs.getPrimeExponentP(),
	rs.getPrimeExponentQ(),
	rs.getCrtCoefficient()
	);
	} else if (keySpec instanceof RSAPrivateKeySpec) {
	RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec;
	return generatePrivate(
	rs.getModulus(),
	rs.getPrivateExponent()
	);
	} else {
	throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
	+ "and PKCS8EncodedKeySpec supported for RSA private keys");
	}
	} catch (PKCS11Exception e) {
	throw new InvalidKeySpecException
	("Could not create RSA private key", e);
	}
	}

	private PublicKey generatePublic(BigInteger n, BigInteger e)
	throws PKCS11Exception {
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
	new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
	new CK_ATTRIBUTE(CKA_MODULUS, n),
	new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
	};
	attributes = token.getAttributes
	(O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes);
	Session session = null;
	try {
	session = token.getObjSession();
	long keyID = token.p11.C_CreateObject(session.id(), attributes);
	return P11Key.publicKey
	(session, keyID, "RSA", n.bitLength(), attributes);
	} finally {
	token.releaseSession(session);
	}
	}

	private PrivateKey generatePrivate(BigInteger n, BigInteger d)
	throws PKCS11Exception {
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
	new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
	new CK_ATTRIBUTE(CKA_MODULUS, n),
	new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
	};
	attributes = token.getAttributes
	(O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
	Session session = null;
	try {
	session = token.getObjSession();
	long keyID = token.p11.C_CreateObject(session.id(), attributes);
	return P11Key.privateKey
	(session, keyID, "RSA", n.bitLength(), attributes);
	} finally {
	token.releaseSession(session);
	}
	}

	private PrivateKey generatePrivate(BigInteger n, BigInteger e,
	BigInteger d, BigInteger p, BigInteger q, BigInteger pe,
	BigInteger qe, BigInteger coeff) throws PKCS11Exception {
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
	new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA),
	new CK_ATTRIBUTE(CKA_MODULUS, n),
	new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e),
	new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d),
	new CK_ATTRIBUTE(CKA_PRIME_1, p),
	new CK_ATTRIBUTE(CKA_PRIME_2, q),
	new CK_ATTRIBUTE(CKA_EXPONENT_1, pe),
	new CK_ATTRIBUTE(CKA_EXPONENT_2, qe),
	new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff),
	};
	attributes = token.getAttributes
	(O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes);
	Session session = null;
	try {
	session = token.getObjSession();
	long keyID = token.p11.C_CreateObject(session.id(), attributes);
	return P11Key.privateKey
	(session, keyID, "RSA", n.bitLength(), attributes);
	} finally {
	token.releaseSession(session);
	}
	}

	KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session)
	throws PKCS11Exception, InvalidKeySpecException {
	if (RSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
	session[0] = token.getObjSession();
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_MODULUS),
	new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
	};
	token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
	KeySpec spec = new RSAPublicKeySpec(
	attributes[0].getBigInteger(),
	attributes[1].getBigInteger()
	);
	return spec;
	} else { // X.509 handled in superclass
	throw new InvalidKeySpecException("Only RSAPublicKeySpec and "
	+ "X509EncodedKeySpec supported for RSA public keys");
	}
	}

	KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session)
	throws PKCS11Exception, InvalidKeySpecException {
	if (RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) {
	session[0] = token.getObjSession();
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_MODULUS),
	new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT),
	new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
	new CK_ATTRIBUTE(CKA_PRIME_1),
	new CK_ATTRIBUTE(CKA_PRIME_2),
	new CK_ATTRIBUTE(CKA_EXPONENT_1),
	new CK_ATTRIBUTE(CKA_EXPONENT_2),
	new CK_ATTRIBUTE(CKA_COEFFICIENT),
	};
	token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
	KeySpec spec = new RSAPrivateCrtKeySpec(
	attributes[0].getBigInteger(),
	attributes[1].getBigInteger(),
	attributes[2].getBigInteger(),
	attributes[3].getBigInteger(),
	attributes[4].getBigInteger(),
	attributes[5].getBigInteger(),
	attributes[6].getBigInteger(),
	attributes[7].getBigInteger()
	);
	return spec;
	} else if (RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
	session[0] = token.getObjSession();
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_MODULUS),
	new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT),
	};
	token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
	KeySpec spec = new RSAPrivateKeySpec(
	attributes[0].getBigInteger(),
	attributes[1].getBigInteger()
	);
	return spec;
	} else { // PKCS#8 handled in superclass
	throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec "
	+ "and PKCS8EncodedKeySpec supported for RSA private keys");
	}
	}

	KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
	return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider());
	}

	}