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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.security; | ||
| 27 | |||
| 28 | import java.io.*; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * This class is used to represent an Identity that can also digitally | ||
| 32 | * sign data. | ||
| 33 | * | ||
| 34 | * <p>The management of a signer's private keys is an important and | ||
| 35 | * sensitive issue that should be handled by subclasses as appropriate | ||
| 36 | * to their intended use. | ||
| 37 | * | ||
| 38 | * @see Identity | ||
| 39 | * | ||
| 40 | * @author Benjamin Renaud | ||
| 41 | * | ||
| 42 | * @deprecated This class is no longer used. Its functionality has been | ||
| 43 | * replaced by <code>java.security.KeyStore</code>, the | ||
| 44 | * <code>java.security.cert</code> package, and | ||
| 45 | * <code>java.security.Principal</code>. | ||
| 46 | */ | ||
| 47 | @Deprecated | ||
| 48 | public abstract class Signer extends Identity { | ||
| 49 | |||
| 50 | private static final long serialVersionUID = -1763464102261361480L; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * The signer's private key. | ||
| 54 | * | ||
| 55 | * @serial | ||
| 56 | */ | ||
| 57 | private PrivateKey privateKey; | ||
| 58 | |||
| 59 | /** | ||
| 60 | * Creates a signer. This constructor should only be used for | ||
| 61 | * serialization. | ||
| 62 | */ | ||
| 63 | protected Signer() { | ||
| 64 | super(); | ||
| 65 | } | ||
| 66 | |||
| 67 | |||
| 68 | /** | ||
| 69 | * Creates a signer with the specified identity name. | ||
| 70 | * | ||
| 71 | * @param name the identity name. | ||
| 72 | */ | ||
| 73 | public Signer(String name) { | ||
| 74 | super(name); | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Creates a signer with the specified identity name and scope. | ||
| 79 | * | ||
| 80 | * @param name the identity name. | ||
| 81 | * | ||
| 82 | * @param scope the scope of the identity. | ||
| 83 | * | ||
| 84 | * @exception KeyManagementException if there is already an identity | ||
| 85 | * with the same name in the scope. | ||
| 86 | */ | ||
| 87 | public Signer(String name, IdentityScope scope) | ||
| 88 | throws KeyManagementException { | ||
| 89 | super(name, scope); | ||
| 90 | } | ||
| 91 | |||
| 92 | /** | ||
| 93 | * Returns this signer's private key. | ||
| 94 | * | ||
| 95 | * <p>First, if there is a security manager, its <code>checkSecurityAccess</code> | ||
| 96 | * method is called with <code>"getSignerPrivateKey"</code> | ||
| 97 | * as its argument to see if it's ok to return the private key. | ||
| 98 | * | ||
| 99 | * @return this signer's private key, or null if the private key has | ||
| 100 | * not yet been set. | ||
| 101 | * | ||
| 102 | * @exception SecurityException if a security manager exists and its | ||
| 103 | * <code>checkSecurityAccess</code> method doesn't allow | ||
| 104 | * returning the private key. | ||
| 105 | * | ||
| 106 | * @see SecurityManager#checkSecurityAccess | ||
| 107 | */ | ||
| 108 | public PrivateKey getPrivateKey() { | ||
| 109 | check("getSignerPrivateKey"); | ||
| 110 | return privateKey; | ||
| 111 | } | ||
| 112 | |||
| 113 | /** | ||
| 114 | * Sets the key pair (public key and private key) for this signer. | ||
| 115 | * | ||
| 116 | * <p>First, if there is a security manager, its <code>checkSecurityAccess</code> | ||
| 117 | * method is called with <code>"setSignerKeyPair"</code> | ||
| 118 | * as its argument to see if it's ok to set the key pair. | ||
| 119 | * | ||
| 120 | * @param pair an initialized key pair. | ||
| 121 | * | ||
| 122 | * @exception InvalidParameterException if the key pair is not | ||
| 123 | * properly initialized. | ||
| 124 | * @exception KeyException if the key pair cannot be set for any | ||
| 125 | * other reason. | ||
| 126 | * @exception SecurityException if a security manager exists and its | ||
| 127 | * <code>checkSecurityAccess</code> method doesn't allow | ||
| 128 | * setting the key pair. | ||
| 129 | * | ||
| 130 | * @see SecurityManager#checkSecurityAccess | ||
| 131 | */ | ||
| 132 | public final void setKeyPair(KeyPair pair) | ||
| 133 | throws InvalidParameterException, KeyException { | ||
| 134 | check("setSignerKeyPair"); | ||
| 135 | final PublicKey pub = pair.getPublic(); | ||
| 136 | PrivateKey priv = pair.getPrivate(); | ||
| 137 | |||
| 138 | if (pub == null || priv == null) { | ||
| 139 | throw new InvalidParameterException(); | ||
| 140 | } | ||
| 141 | try { | ||
| 142 | AccessController.doPrivileged( | ||
| 143 | new PrivilegedExceptionAction<Void>() { | ||
| 144 | public Void run() throws KeyManagementException { | ||
| 145 | setPublicKey(pub); | ||
| 146 | return null; | ||
| 147 | } | ||
| 148 | }); | ||
| 149 | } catch (PrivilegedActionException pae) { | ||
| 150 | throw (KeyManagementException) pae.getException(); | ||
| 151 | } | ||
| 152 | privateKey = priv; | ||
| 153 | } | ||
| 154 | |||
| 155 | String printKeys() { | ||
| 156 | String keys = ""; | ||
| 157 | PublicKey publicKey = getPublicKey(); | ||
| 158 | if (publicKey != null && privateKey != null) { | ||
| 159 | keys = "\tpublic and private keys initialized"; | ||
| 160 | |||
| 161 | } else { | ||
| 162 | keys = "\tno keys"; | ||
| 163 | } | ||
| 164 | return keys; | ||
| 165 | } | ||
| 166 | |||
| 167 | /** | ||
| 168 | * Returns a string of information about the signer. | ||
| 169 | * | ||
| 170 | * @return a string of information about the signer. | ||
| 171 | */ | ||
| 172 | public String toString() { | ||
| 173 | return "[Signer]" + super.toString(); | ||
| 174 | } | ||
| 175 | |||
| 176 | private static void check(String directive) { | ||
| 177 | SecurityManager security = System.getSecurityManager(); | ||
| 178 | if (security != null) { | ||
| 179 | security.checkSecurityAccess(directive); | ||
| 180 | } | ||
| 181 | } | ||
| 182 | |||
| 183 | } | ||