jdk/src/share/classes/sun/security/pkcs11/P11DSAKeyFactory.java - platform/libcore - Gitiles

 /*
  * 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.*;

 /**
  * DSA KeyFactory implemenation.
  *
  * @author  Andreas Sterbenz
  * @since   1.5
  */
 final class P11DSAKeyFactory extends P11KeyFactory {

     P11DSAKeyFactory(Token token, String algorithm) {
         super(token, algorithm);
     }

     PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
         try {
             if (key instanceof DSAPublicKey) {
                 DSAPublicKey dsaKey = (DSAPublicKey)key;
                 DSAParams params = dsaKey.getParams();
                 return generatePublic(
                     dsaKey.getY(),
                     params.getP(),
                     params.getQ(),
                     params.getG()
                 );
             } else if ("X.509".equals(key.getFormat())) {
                 // let Sun provider parse for us, then recurse
                 byte[] encoded = key.getEncoded();
                 key = new sun.security.provider.DSAPublicKey(encoded);
                 return implTranslatePublicKey(key);
             } else {
                 throw new InvalidKeyException("PublicKey must be instance "
                         + "of DSAPublicKey or have X.509 encoding");
             }
         } catch (PKCS11Exception e) {
             throw new InvalidKeyException("Could not create DSA public key", e);
         }
     }

     PrivateKey implTranslatePrivateKey(PrivateKey key)
             throws InvalidKeyException {
         try {
             if (key instanceof DSAPrivateKey) {
                 DSAPrivateKey dsaKey = (DSAPrivateKey)key;
                 DSAParams params = dsaKey.getParams();
                 return generatePrivate(
                     dsaKey.getX(),
                     params.getP(),
                     params.getQ(),
                     params.getG()
                 );
             } else if ("PKCS#8".equals(key.getFormat())) {
                 // let Sun provider parse for us, then recurse
                 byte[] encoded = key.getEncoded();
                 key = new sun.security.provider.DSAPrivateKey(encoded);
                 return implTranslatePrivateKey(key);
             } else {
                 throw new InvalidKeyException("PrivateKey must be instance "
                         + "of DSAPrivateKey or have PKCS#8 encoding");
             }
         } catch (PKCS11Exception e) {
             throw new InvalidKeyException("Could not create DSA 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.provider.DSAPublicKey(encoded);
                 return implTranslatePublicKey(key);
             } catch (InvalidKeyException e) {
                 throw new InvalidKeySpecException
                         ("Could not create DSA public key", e);
             }
         }
         if (keySpec instanceof DSAPublicKeySpec == false) {
             throw new InvalidKeySpecException("Only DSAPublicKeySpec and "
                 + "X509EncodedKeySpec supported for DSA public keys");
         }
         try {
             DSAPublicKeySpec ds = (DSAPublicKeySpec)keySpec;
             return generatePublic(
                 ds.getY(),
                 ds.getP(),
                 ds.getQ(),
                 ds.getG()
             );
         } catch (PKCS11Exception e) {
             throw new InvalidKeySpecException
                 ("Could not create DSA 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 = new sun.security.provider.DSAPrivateKey(encoded);
                 return implTranslatePrivateKey(key);
             } catch (GeneralSecurityException e) {
                 throw new InvalidKeySpecException
                         ("Could not create DSA private key", e);
             }
         }
         if (keySpec instanceof DSAPrivateKeySpec == false) {
             throw new InvalidKeySpecException("Only DSAPrivateKeySpec and "
                 + "PKCS8EncodedKeySpec supported for DSA private keys");
         }
         try {
             DSAPrivateKeySpec ds = (DSAPrivateKeySpec)keySpec;
             return generatePrivate(
                 ds.getX(),
                 ds.getP(),
                 ds.getQ(),
                 ds.getG()
             );
         } catch (PKCS11Exception e) {
             throw new InvalidKeySpecException
                 ("Could not create DSA private key", e);
         }
     }

     private PublicKey generatePublic(BigInteger y, BigInteger p, BigInteger q,
             BigInteger g) throws PKCS11Exception {
         CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
             new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
             new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_DSA),
             new CK_ATTRIBUTE(CKA_VALUE, y),
             new CK_ATTRIBUTE(CKA_PRIME, p),
             new CK_ATTRIBUTE(CKA_SUBPRIME, q),
             new CK_ATTRIBUTE(CKA_BASE, g),
         };
         attributes = token.getAttributes
                 (O_IMPORT, CKO_PUBLIC_KEY, CKK_DSA, attributes);
         Session session = null;
         try {
             session = token.getObjSession();
             long keyID = token.p11.C_CreateObject(session.id(), attributes);
             return P11Key.publicKey
                 (session, keyID, "DSA", p.bitLength(), attributes);
         } finally {
             token.releaseSession(session);
         }
     }

     private PrivateKey generatePrivate(BigInteger x, BigInteger p,
             BigInteger q, BigInteger g) throws PKCS11Exception {
         CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
             new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
             new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_DSA),
             new CK_ATTRIBUTE(CKA_VALUE, x),
             new CK_ATTRIBUTE(CKA_PRIME, p),
             new CK_ATTRIBUTE(CKA_SUBPRIME, q),
             new CK_ATTRIBUTE(CKA_BASE, g),
         };
         attributes = token.getAttributes
                 (O_IMPORT, CKO_PRIVATE_KEY, CKK_DSA, attributes);
         Session session = null;
         try {
             session = token.getObjSession();
             long keyID = token.p11.C_CreateObject(session.id(), attributes);
             return P11Key.privateKey
                 (session, keyID, "DSA", p.bitLength(), attributes);
         } finally {
             token.releaseSession(session);
         }
     }

     KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session)
             throws PKCS11Exception, InvalidKeySpecException {
         if (DSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
             session[0] = token.getObjSession();
             CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
                 new CK_ATTRIBUTE(CKA_VALUE),
                 new CK_ATTRIBUTE(CKA_PRIME),
                 new CK_ATTRIBUTE(CKA_SUBPRIME),
                 new CK_ATTRIBUTE(CKA_BASE),
             };
             token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
             KeySpec spec = new DSAPublicKeySpec(
                 attributes[0].getBigInteger(),
                 attributes[1].getBigInteger(),
                 attributes[2].getBigInteger(),
                 attributes[3].getBigInteger()
             );
             return spec;
         } else { // X.509 handled in superclass
             throw new InvalidKeySpecException("Only DSAPublicKeySpec and "
                 + "X509EncodedKeySpec supported for DSA public keys");
         }
     }

     KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session)
             throws PKCS11Exception, InvalidKeySpecException {
         if (DSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
             session[0] = token.getObjSession();
             CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
                 new CK_ATTRIBUTE(CKA_VALUE),
                 new CK_ATTRIBUTE(CKA_PRIME),
                 new CK_ATTRIBUTE(CKA_SUBPRIME),
                 new CK_ATTRIBUTE(CKA_BASE),
             };
             token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
             KeySpec spec = new DSAPrivateKeySpec(
                 attributes[0].getBigInteger(),
                 attributes[1].getBigInteger(),
                 attributes[2].getBigInteger(),
                 attributes[3].getBigInteger()
             );
             return spec;
         } else { // PKCS#8 handled in superclass
             throw new InvalidKeySpecException("Only DSAPrivateKeySpec "
                 + "and PKCS8EncodedKeySpec supported for DSA private keys");
         }
     }

     KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
         return KeyFactory.getInstance("DSA", P11Util.getSunProvider());
     }

 }
	/*
	* 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.*;

	/**
	* DSA KeyFactory implemenation.
	*
	* @author Andreas Sterbenz
	* @since 1.5
	*/
	final class P11DSAKeyFactory extends P11KeyFactory {

	P11DSAKeyFactory(Token token, String algorithm) {
	super(token, algorithm);
	}

	PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
	try {
	if (key instanceof DSAPublicKey) {
	DSAPublicKey dsaKey = (DSAPublicKey)key;
	DSAParams params = dsaKey.getParams();
	return generatePublic(
	dsaKey.getY(),
	params.getP(),
	params.getQ(),
	params.getG()
	);
	} else if ("X.509".equals(key.getFormat())) {
	// let Sun provider parse for us, then recurse
	byte[] encoded = key.getEncoded();
	key = new sun.security.provider.DSAPublicKey(encoded);
	return implTranslatePublicKey(key);
	} else {
	throw new InvalidKeyException("PublicKey must be instance "
	+ "of DSAPublicKey or have X.509 encoding");
	}
	} catch (PKCS11Exception e) {
	throw new InvalidKeyException("Could not create DSA public key", e);
	}
	}

	PrivateKey implTranslatePrivateKey(PrivateKey key)
	throws InvalidKeyException {
	try {
	if (key instanceof DSAPrivateKey) {
	DSAPrivateKey dsaKey = (DSAPrivateKey)key;
	DSAParams params = dsaKey.getParams();
	return generatePrivate(
	dsaKey.getX(),
	params.getP(),
	params.getQ(),
	params.getG()
	);
	} else if ("PKCS#8".equals(key.getFormat())) {
	// let Sun provider parse for us, then recurse
	byte[] encoded = key.getEncoded();
	key = new sun.security.provider.DSAPrivateKey(encoded);
	return implTranslatePrivateKey(key);
	} else {
	throw new InvalidKeyException("PrivateKey must be instance "
	+ "of DSAPrivateKey or have PKCS#8 encoding");
	}
	} catch (PKCS11Exception e) {
	throw new InvalidKeyException("Could not create DSA 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.provider.DSAPublicKey(encoded);
	return implTranslatePublicKey(key);
	} catch (InvalidKeyException e) {
	throw new InvalidKeySpecException
	("Could not create DSA public key", e);
	}
	}
	if (keySpec instanceof DSAPublicKeySpec == false) {
	throw new InvalidKeySpecException("Only DSAPublicKeySpec and "
	+ "X509EncodedKeySpec supported for DSA public keys");
	}
	try {
	DSAPublicKeySpec ds = (DSAPublicKeySpec)keySpec;
	return generatePublic(
	ds.getY(),
	ds.getP(),
	ds.getQ(),
	ds.getG()
	);
	} catch (PKCS11Exception e) {
	throw new InvalidKeySpecException
	("Could not create DSA 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 = new sun.security.provider.DSAPrivateKey(encoded);
	return implTranslatePrivateKey(key);
	} catch (GeneralSecurityException e) {
	throw new InvalidKeySpecException
	("Could not create DSA private key", e);
	}
	}
	if (keySpec instanceof DSAPrivateKeySpec == false) {
	throw new InvalidKeySpecException("Only DSAPrivateKeySpec and "
	+ "PKCS8EncodedKeySpec supported for DSA private keys");
	}
	try {
	DSAPrivateKeySpec ds = (DSAPrivateKeySpec)keySpec;
	return generatePrivate(
	ds.getX(),
	ds.getP(),
	ds.getQ(),
	ds.getG()
	);
	} catch (PKCS11Exception e) {
	throw new InvalidKeySpecException
	("Could not create DSA private key", e);
	}
	}

	private PublicKey generatePublic(BigInteger y, BigInteger p, BigInteger q,
	BigInteger g) throws PKCS11Exception {
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
	new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_DSA),
	new CK_ATTRIBUTE(CKA_VALUE, y),
	new CK_ATTRIBUTE(CKA_PRIME, p),
	new CK_ATTRIBUTE(CKA_SUBPRIME, q),
	new CK_ATTRIBUTE(CKA_BASE, g),
	};
	attributes = token.getAttributes
	(O_IMPORT, CKO_PUBLIC_KEY, CKK_DSA, attributes);
	Session session = null;
	try {
	session = token.getObjSession();
	long keyID = token.p11.C_CreateObject(session.id(), attributes);
	return P11Key.publicKey
	(session, keyID, "DSA", p.bitLength(), attributes);
	} finally {
	token.releaseSession(session);
	}
	}

	private PrivateKey generatePrivate(BigInteger x, BigInteger p,
	BigInteger q, BigInteger g) throws PKCS11Exception {
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
	new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_DSA),
	new CK_ATTRIBUTE(CKA_VALUE, x),
	new CK_ATTRIBUTE(CKA_PRIME, p),
	new CK_ATTRIBUTE(CKA_SUBPRIME, q),
	new CK_ATTRIBUTE(CKA_BASE, g),
	};
	attributes = token.getAttributes
	(O_IMPORT, CKO_PRIVATE_KEY, CKK_DSA, attributes);
	Session session = null;
	try {
	session = token.getObjSession();
	long keyID = token.p11.C_CreateObject(session.id(), attributes);
	return P11Key.privateKey
	(session, keyID, "DSA", p.bitLength(), attributes);
	} finally {
	token.releaseSession(session);
	}
	}

	KeySpec implGetPublicKeySpec(P11Key key, Class keySpec, Session[] session)
	throws PKCS11Exception, InvalidKeySpecException {
	if (DSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
	session[0] = token.getObjSession();
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_VALUE),
	new CK_ATTRIBUTE(CKA_PRIME),
	new CK_ATTRIBUTE(CKA_SUBPRIME),
	new CK_ATTRIBUTE(CKA_BASE),
	};
	token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
	KeySpec spec = new DSAPublicKeySpec(
	attributes[0].getBigInteger(),
	attributes[1].getBigInteger(),
	attributes[2].getBigInteger(),
	attributes[3].getBigInteger()
	);
	return spec;
	} else { // X.509 handled in superclass
	throw new InvalidKeySpecException("Only DSAPublicKeySpec and "
	+ "X509EncodedKeySpec supported for DSA public keys");
	}
	}

	KeySpec implGetPrivateKeySpec(P11Key key, Class keySpec, Session[] session)
	throws PKCS11Exception, InvalidKeySpecException {
	if (DSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
	session[0] = token.getObjSession();
	CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
	new CK_ATTRIBUTE(CKA_VALUE),
	new CK_ATTRIBUTE(CKA_PRIME),
	new CK_ATTRIBUTE(CKA_SUBPRIME),
	new CK_ATTRIBUTE(CKA_BASE),
	};
	token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
	KeySpec spec = new DSAPrivateKeySpec(
	attributes[0].getBigInteger(),
	attributes[1].getBigInteger(),
	attributes[2].getBigInteger(),
	attributes[3].getBigInteger()
	);
	return spec;
	} else { // PKCS#8 handled in superclass
	throw new InvalidKeySpecException("Only DSAPrivateKeySpec "
	+ "and PKCS8EncodedKeySpec supported for DSA private keys");
	}
	}

	KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
	return KeyFactory.getInstance("DSA", P11Util.getSunProvider());
	}

	}