| /* Signer.java --- Signer Class |
| Copyright (C) 1999, 2003, 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; |
| |
| /** |
| * <p>This class is used to represent an {@link Identity} that can also |
| * digitally sign data.</p> |
| * |
| * <p>The management of a signer's private keys is an important and sensitive |
| * issue that should be handled by subclasses as appropriate to their intended |
| * use.</p> |
| * |
| * @author Mark Benvenuto (ivymccough@worldnet.att.net) |
| * @deprecated This class is no longer used. Its functionality has been replaced |
| * by <code>java.security.KeyStore</code>, the <code>java.security.cert</code> |
| * package, and <code>java.security.Principal</code>. |
| */ |
| public abstract class Signer extends Identity |
| { |
| private static final long serialVersionUID = -1763464102261361480L; |
| private PrivateKey privateKey = null; |
| |
| /** |
| * Creates a <code>Signer</code>. This constructor should only be used for |
| * serialization. |
| */ |
| protected Signer() |
| { |
| } |
| |
| /** |
| * Creates a <code>Signer</code> with the specified identity name. |
| * |
| * @param name the identity name. |
| */ |
| public Signer(String name) |
| { |
| super(name); |
| } |
| |
| /** |
| * Creates a <code>Signer</code> with the specified identity name and scope. |
| * |
| * @param name the identity name. |
| * @param scope the scope of the identity. |
| * @throws KeyManagementException if there is already an identity with the |
| * same name in the scope. |
| */ |
| public Signer(String name, IdentityScope scope) throws KeyManagementException |
| { |
| super(name, scope); |
| } |
| |
| /** |
| * <p>Returns this signer's private key.</p> |
| * |
| * <p>First, if there is a security manager, its <code>checkSecurityAccess() |
| * </code> method is called with <code>"getSignerPrivateKey"</code> as its |
| * argument to see if it's ok to return the private key.</p> |
| * |
| * @return this signer's private key, or <code>null</code> if the private key |
| * has not yet been set. |
| * @throws SecurityException if a security manager exists and its |
| * <code>checkSecurityAccess()</code> method doesn't allow returning the |
| * private key. |
| * @see SecurityManager#checkSecurityAccess(String) |
| */ |
| public PrivateKey getPrivateKey() |
| { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm != null) |
| sm.checkSecurityAccess("getSignerPrivateKey"); |
| |
| return privateKey; |
| } |
| |
| /** |
| * <p>Sets the key pair (public key and private key) for this signer.</p> |
| * |
| * <p>First, if there is a security manager, its <code>checkSecurityAccess() |
| * </code> method is called with <code>"setSignerKeyPair"</code> as its |
| * argument to see if it's ok to set the key pair.</p> |
| * |
| * @param pair an initialized key pair. |
| * @throws InvalidParameterException if the key pair is not properly |
| * initialized. |
| * @throws KeyException if the key pair cannot be set for any other reason. |
| * @throws SecurityException if a security manager exists and its |
| * <code>checkSecurityAccess()</code> method doesn't allow setting the key |
| * pair. |
| * @see SecurityManager#checkSecurityAccess(String) |
| */ |
| 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 of information about the signer. |
| * |
| * @return a string of information about the signer. |
| * @see SecurityManager#checkSecurityAccess(String) |
| */ |
| public String toString() |
| { |
| return (getName() + ": " + privateKey); |
| } |
| } |