| /* Signer.java --- Signer Class |
| Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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 java.security; |
| |
| /** |
| Signer is a subclass used to store a digital signature key with |
| an Identity. |
| |
| @author Mark Benvenuto <ivymccough@worldnet.att.net> |
| |
| @since JDK 1.1 |
| */ |
| public abstract class Signer extends Identity |
| { |
| private PrivateKey privateKey = null; |
| |
| /** |
| Constructs a new Signer. |
| */ |
| protected Signer() |
| { |
| } |
| |
| /** |
| Constructs a new Signer with the specified name. |
| |
| @param name the name of the identity. |
| */ |
| public Signer(String name) |
| { |
| super(name); |
| } |
| |
| /** |
| Constructs a new Signer with the specifid name and |
| IdentityScope. |
| |
| @param name the name of the identity. |
| @scope the IdentityScope to use |
| |
| @throws KeyManagementException if duplicate identity name |
| within scope |
| */ |
| public Signer(String name, IdentityScope scope) |
| throws KeyManagementException |
| { |
| super(name, scope); |
| } |
| |
| /** |
| Returns the private key for this signer. |
| |
| This class checks the security manager with the call |
| checkSecurityAccess with "getSignerPrivateKey". |
| |
| @returns the private key for the signer |
| |
| @throws SecurityException - if the security manager denies |
| access to "getSignerPrivateKey" |
| */ |
| public PrivateKey getPrivateKey() |
| { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm != null) |
| sm.checkSecurityAccess("getSignerPrivateKey"); |
| |
| return privateKey; |
| } |
| |
| /** |
| Specifies the KeyPair associated with this Signer. |
| |
| This class checks the security manager with the call |
| checkSecurityAccess with "setSignerKeyPair". |
| |
| @param pair the keyPair |
| |
| @throws InvalidParameterException invalidly intialized key pair |
| @throws KeyException another key error |
| @throws SecurityException - if the security manager denies |
| access to "getSignerPrivateKey" |
| */ |
| public final void setKeyPair(KeyPair pair) |
| throws InvalidParameterException, KeyException |
| { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm != null) |
| sm.checkSecurityAccess("setSignerKeyPair"); |
| |
| try |
| { |
| if (pair.getPublic() != null) |
| setPublicKey(pair.getPublic()); |
| else |
| throw new InvalidParameterException(); |
| |
| } |
| catch (KeyManagementException kme) |
| { |
| throw new KeyException(); |
| } |
| |
| if (pair.getPrivate() != null) |
| privateKey = pair.getPrivate(); |
| else |
| throw new InvalidParameterException(); |
| } |
| |
| /** |
| Returns a string representing this Signer. |
| |
| @returns a string representing this Signer. |
| */ |
| public String toString() |
| { |
| return (getName() + ": " + privateKey); |
| } |
| } |