diff options
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PrivateKeyEntry.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PrivateKeyEntry.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PrivateKeyEntry.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PrivateKeyEntry.java new file mode 100644 index 000000000..23244afee --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/PrivateKeyEntry.java @@ -0,0 +1,194 @@ +/* PrivateKeyEntry.java -- + Copyright (C) 2003, 2006 Free Software Foundation, Inc. + +This file is a 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 of the License, 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; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +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 gnu.javax.crypto.keyring; + +import gnu.java.security.key.IKeyPairCodec; +import gnu.java.security.key.KeyPairCodecFactory; +import gnu.java.security.key.dss.DSSPrivateKey; +import gnu.java.security.key.rsa.GnuRSAPrivateKey; +import gnu.javax.crypto.key.GnuSecretKey; +import gnu.javax.crypto.key.dh.GnuDHPrivateKey; + +import java.io.DataInputStream; +import java.io.IOException; +import java.security.Key; +import java.security.KeyFactory; +import java.security.PrivateKey; +import java.security.spec.PKCS8EncodedKeySpec; +import java.util.Date; + +/** + * An immutable class representing a private or secret key entry. + */ +public final class PrivateKeyEntry + extends PrimitiveEntry +{ + public static final int TYPE = 7; + /** The key. */ + private Key key; + + /** + * Creates a new key entry. + * + * @param key The key. + * @param creationDate The entry creation date. + * @param properties The entry properties. + * @throws IllegalArgumentException If any parameter is null. + */ + public PrivateKeyEntry(Key key, Date creationDate, Properties properties) + { + super(TYPE, creationDate, properties); + if (key == null) + throw new IllegalArgumentException("no private key"); + if (! (key instanceof PrivateKey) && ! (key instanceof GnuSecretKey)) + throw new IllegalArgumentException("not a private or secret key"); + this.key = key; + } + + private PrivateKeyEntry() + { + super(TYPE); + } + + public static PrivateKeyEntry decode(DataInputStream in) throws IOException + { + PrivateKeyEntry entry = new PrivateKeyEntry(); + entry.defaultDecode(in); + String type = entry.properties.get("type"); + if (type == null) + throw new MalformedKeyringException("no key type"); + if (type.equalsIgnoreCase("RAW-DSS")) + { + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dss"); + entry.key = coder.decodePrivateKey(entry.payload); + } + else if (type.equalsIgnoreCase("RAW-RSA")) + { + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("rsa"); + entry.key = coder.decodePrivateKey(entry.payload); + } + else if (type.equalsIgnoreCase("RAW-DH")) + { + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dh"); + entry.key = coder.decodePrivateKey(entry.payload); + } + else if (type.equalsIgnoreCase("RAW")) + entry.key = new GnuSecretKey(entry.payload, null); + else if (type.equalsIgnoreCase("PKCS8")) + { + try + { + KeyFactory kf = KeyFactory.getInstance("RSA"); + PKCS8EncodedKeySpec ks = new PKCS8EncodedKeySpec(entry.payload); + entry.key = kf.generatePrivate(ks); + } + catch (Exception ignored) + { + } + if (entry.key == null) + { + try + { + KeyFactory kf = KeyFactory.getInstance("DSA"); + PKCS8EncodedKeySpec ks = new PKCS8EncodedKeySpec(entry.payload); + entry.key = kf.generatePrivate(ks); + } + catch (Exception ignored) + { + } + if (entry.key == null) + throw new MalformedKeyringException("could not decode PKCS#8 key"); + } + } + else + throw new MalformedKeyringException("unsupported key type " + type); + return entry; + } + + /** + * Returns this entry's key. + * + * @return The key. + */ + public Key getKey() + { + return key; + } + + protected void encodePayload() throws IOException + { + String format = key.getFormat(); + if (key instanceof DSSPrivateKey) + { + properties.put("type", "RAW-DSS"); + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dss"); + payload = coder.encodePrivateKey((PrivateKey) key); + } + else if (key instanceof GnuRSAPrivateKey) + { + properties.put("type", "RAW-RSA"); + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("rsa"); + payload = coder.encodePrivateKey((PrivateKey) key); + } + else if (key instanceof GnuDHPrivateKey) + { + properties.put("type", "RAW-DH"); + IKeyPairCodec coder = KeyPairCodecFactory.getInstance("dh"); + payload = coder.encodePrivateKey((PrivateKey) key); + } + else if (key instanceof GnuSecretKey) + { + properties.put("type", "RAW"); + payload = key.getEncoded(); + } + else if (format != null && format.equals("PKCS#8")) + { + properties.put("type", "PKCS8"); + payload = key.getEncoded(); + } + else + throw new IllegalArgumentException("unsupported private key"); + } + + public String toString() + { + return "PrivateKeyEntry{key=" + + (key == null ? "-" : key.getClass().getName()) + "}"; + } +} |