| /* |
| * Copyright (c) 1996, 2017, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.security; |
| |
| import java.io.*; |
| |
| /** |
| * This class is used to represent an Identity that can also digitally |
| * sign data. |
| * |
| * <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. |
| * |
| * @see Identity |
| * |
| * @author Benjamin Renaud |
| * @since 1.1 |
| * |
| * @deprecated This class is no longer used. Its functionality has been |
| * replaced by {@code java.security.KeyStore}, the |
| * {@code java.security.cert} package, and |
| * {@code java.security.Principal}. |
| */ |
| @Deprecated(since="1.2") |
| public abstract class Signer extends Identity { |
| |
| private static final long serialVersionUID = -1763464102261361480L; |
| |
| /** |
| * The signer's private key. |
| * |
| * @serial |
| */ |
| private PrivateKey privateKey; |
| |
| /** |
| * Creates a signer. This constructor should only be used for |
| * serialization. |
| */ |
| protected Signer() { |
| super(); |
| } |
| |
| |
| /** |
| * Creates a signer with the specified identity name. |
| * |
| * @param name the identity name. |
| */ |
| public Signer(String name) { |
| super(name); |
| } |
| |
| /** |
| * Creates a signer with the specified identity name and scope. |
| * |
| * @param name the identity name. |
| * |
| * @param scope the scope of the identity. |
| * |
| * @exception 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); |
| } |
| |
| /** |
| * Returns this signer's private key. |
| * |
| * <p>First, if there is a security manager, its {@code checkSecurityAccess} |
| * method is called with {@code "getSignerPrivateKey"} |
| * as its argument to see if it's ok to return the private key. |
| * |
| * @return this signer's private key, or null if the private key has |
| * not yet been set. |
| * |
| * @exception SecurityException if a security manager exists and its |
| * {@code checkSecurityAccess} method doesn't allow |
| * returning the private key. |
| * |
| * @see SecurityManager#checkSecurityAccess |
| */ |
| public PrivateKey getPrivateKey() { |
| check("getSignerPrivateKey"); |
| return privateKey; |
| } |
| |
| /** |
| * Sets the key pair (public key and private key) for this signer. |
| * |
| * <p>First, if there is a security manager, its {@code checkSecurityAccess} |
| * method is called with {@code "setSignerKeyPair"} |
| * as its argument to see if it's ok to set the key pair. |
| * |
| * @param pair an initialized key pair. |
| * |
| * @exception InvalidParameterException if the key pair is not |
| * properly initialized. |
| * @exception KeyException if the key pair cannot be set for any |
| * other reason. |
| * @exception SecurityException if a security manager exists and its |
| * {@code checkSecurityAccess} method doesn't allow |
| * setting the key pair. |
| * |
| * @see SecurityManager#checkSecurityAccess |
| */ |
| public final void setKeyPair(KeyPair pair) |
| throws InvalidParameterException, KeyException { |
| check("setSignerKeyPair"); |
| final PublicKey pub = pair.getPublic(); |
| PrivateKey priv = pair.getPrivate(); |
| |
| if (pub == null || priv == null) { |
| throw new InvalidParameterException(); |
| } |
| try { |
| AccessController.doPrivileged( |
| new PrivilegedExceptionAction<>() { |
| public Void run() throws KeyManagementException { |
| setPublicKey(pub); |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException pae) { |
| throw (KeyManagementException) pae.getException(); |
| } |
| privateKey = priv; |
| } |
| |
| String printKeys() { |
| String keys = ""; |
| PublicKey publicKey = getPublicKey(); |
| if (publicKey != null && privateKey != null) { |
| keys = "\tpublic and private keys initialized"; |
| |
| } else { |
| keys = "\tno keys"; |
| } |
| return keys; |
| } |
| |
| /** |
| * Returns a string of information about the signer. |
| * |
| * @return a string of information about the signer. |
| */ |
| public String toString() { |
| return "[Signer]" + super.toString(); |
| } |
| |
| private static void check(String directive) { |
| SecurityManager security = System.getSecurityManager(); |
| if (security != null) { |
| security.checkSecurityAccess(directive); |
| } |
| } |
| |
| } |