diff options
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java new file mode 100644 index 000000000..2ccdad6b3 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java @@ -0,0 +1,368 @@ +/* GnuPrivateKeyring.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.Configuration; +import gnu.java.security.Registry; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.security.Key; +import java.security.PublicKey; +import java.security.UnrecoverableKeyException; +import java.security.cert.Certificate; +import java.util.Date; +import java.util.Iterator; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * + */ +public class GnuPrivateKeyring + extends BaseKeyring + implements IPrivateKeyring +{ + private static final Logger log = Logger.getLogger(GnuPrivateKeyring.class.getName()); + public static final int USAGE = Registry.GKR_PRIVATE_KEYS + | Registry.GKR_PUBLIC_CREDENTIALS; + protected String mac; + protected int maclen; + protected String cipher; + protected String mode; + protected int keylen; + + public GnuPrivateKeyring(String mac, int maclen, String cipher, String mode, + int keylen) + { + keyring = new PasswordAuthenticatedEntry(mac, maclen, new Properties()); + keyring2 = new CompressedEntry(new Properties()); + keyring.add(keyring2); + this.mac = mac; + this.maclen = maclen; + this.cipher = cipher; + this.mode = mode; + this.keylen = keylen; + } + + public GnuPrivateKeyring() + { + this("HMAC-SHA-1", 20, "AES", "OFB", 16); + } + + public boolean containsPrivateKey(String alias) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "containsPrivateKey", alias); + boolean result = false; + if (containsAlias(alias)) + for (Iterator it = get(alias).iterator(); it.hasNext();) + if (it.next() instanceof PasswordAuthenticatedEntry) + { + result = true; + break; + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "containsPrivateKey", + Boolean.valueOf(result)); + return result; + } + + public Key getPrivateKey(String alias, char[] password) + throws UnrecoverableKeyException + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "getPrivateKey", alias); + Key result = null; + if (containsAlias(alias)) + { + PasswordAuthenticatedEntry e1 = null; + for (Iterator it = get(alias).iterator(); it.hasNext();) + { + Entry e = (Entry) it.next(); + if (Configuration.DEBUG) + log.finest("Entry: " + e); + if (e instanceof PasswordAuthenticatedEntry) + { + e1 = (PasswordAuthenticatedEntry) e; + break; + } + } + if (Configuration.DEBUG) + log.fine("e1 = " + e1); + if (e1 != null) + { + try + { + e1.verify(password); + } + catch (Exception e) + { + if (Configuration.DEBUG) + log.throwing(this.getClass().getName(), "getPrivateKey", e); + throw new UnrecoverableKeyException("authentication failed"); + } + PasswordEncryptedEntry e2 = null; + for (Iterator it = e1.getEntries().iterator(); it.hasNext();) + { + Entry e = (Entry) it.next(); + if (e instanceof PasswordEncryptedEntry) + { + e2 = (PasswordEncryptedEntry) e; + break; + } + } + if (e2 != null) + { + try + { + e2.decrypt(password); + } + catch (Exception e) + { + log.throwing(this.getClass().getName(), "getPrivateKey", e); + throw new UnrecoverableKeyException("decryption failed"); + } + for (Iterator it = e2.get(alias).iterator(); it.hasNext();) + { + Entry e = (Entry) it.next(); + if (e instanceof PrivateKeyEntry) + { + result = ((PrivateKeyEntry) e).getKey(); + break; + } + } + } + } + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "getPrivateKey", + result == null ? "null" : result.getClass().getName()); + return result; + } + + public void putPrivateKey(String alias, Key key, char[] password) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "putPrivateKey", + new Object[] { alias, key.getClass().getName() }); + if (! containsPrivateKey(alias)) + { + alias = fixAlias(alias); + Properties p = new Properties(); + p.put("alias", alias); + PrivateKeyEntry pke = new PrivateKeyEntry(key, new Date(), p); + if (Configuration.DEBUG) + log.fine("About to encrypt the key..."); + PasswordEncryptedEntry enc; + enc = new PasswordEncryptedEntry(cipher, mode, keylen, new Properties()); + enc.add(pke); + try + { + enc.encode(null, password); + } + catch (IOException x) + { + if (Configuration.DEBUG) + log.log(Level.FINE, "Exception while encrypting the key. " + + "Rethrow as IllegalArgumentException", x); + throw new IllegalArgumentException(x.toString()); + } + if (Configuration.DEBUG) + log.fine("About to authenticate the encrypted key..."); + PasswordAuthenticatedEntry auth; + auth = new PasswordAuthenticatedEntry(mac, maclen, new Properties()); + auth.add(enc); + try + { + auth.encode(null, password); + } + catch (IOException x) + { + if (Configuration.DEBUG) + log.log(Level.FINE, "Exception while authenticating the encrypted " + + "key. Rethrow as IllegalArgumentException", x); + throw new IllegalArgumentException(x.toString()); + } + keyring.add(auth); + } + else if (Configuration.DEBUG) + log.fine("Keyring already contains alias: " + alias); + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "putPrivateKey"); + } + + public boolean containsPublicKey(String alias) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "containsPublicKey", alias); + boolean result = false; + if (containsAlias(alias)) + for (Iterator it = get(alias).iterator(); it.hasNext();) + if (it.next() instanceof PublicKeyEntry) + { + result = true; + break; + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "containsPublicKey", + Boolean.valueOf(result)); + return result; + } + + public PublicKey getPublicKey(String alias) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "getPublicKey", alias); + PublicKey result = null; + if (containsAlias(alias)) + for (Iterator it = get(alias).iterator(); it.hasNext();) + { + Entry e = (Entry) it.next(); + if (e instanceof PublicKeyEntry) + { + result = ((PublicKeyEntry) e).getKey(); + break; + } + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "getPublicKey", + result == null ? "null" : result.getClass().getName()); + return result; + } + + public void putPublicKey(String alias, PublicKey key) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "putPublicKey", + new Object[] { alias, key.getClass().getName() }); + if (! containsPublicKey(alias)) + { + Properties p = new Properties(); + p.put("alias", fixAlias(alias)); + add(new PublicKeyEntry(key, new Date(), p)); + } + else if (Configuration.DEBUG) + log.fine("Keyring already contains alias: " + alias); + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "putPublicKey"); + } + + public boolean containsCertPath(String alias) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "containsCertPath", alias); + boolean result = false; + if (containsAlias(alias)) + for (Iterator it = get(alias).iterator(); it.hasNext();) + if (it.next() instanceof CertPathEntry) + { + result = true; + break; + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "containsCertPath", + Boolean.valueOf(result)); + return result; + } + + public Certificate[] getCertPath(String alias) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "getCertPath", alias); + Certificate[] result = null; + if (containsAlias(alias)) + for (Iterator it = get(alias).iterator(); it.hasNext();) + { + Entry e = (Entry) it.next(); + if (e instanceof CertPathEntry) + { + result = ((CertPathEntry) e).getCertPath(); + break; + } + } + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "getCertPath", result); + return result; + } + + public void putCertPath(String alias, Certificate[] path) + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "putCertPath", + new Object[] { alias, path }); + if (! containsCertPath(alias)) + { + Properties p = new Properties(); + p.put("alias", fixAlias(alias)); + add(new CertPathEntry(path, new Date(), p)); + } + else if (Configuration.DEBUG) + log.fine("Keyring already contains alias: " + alias); + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "putCertPath"); + } + + protected void load(InputStream in, char[] password) throws IOException + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "load"); + if (in.read() != USAGE) + throw new MalformedKeyringException("incompatible keyring usage"); + if (in.read() != PasswordAuthenticatedEntry.TYPE) + throw new MalformedKeyringException( + "expecting password-authenticated entry tag"); + keyring = PasswordAuthenticatedEntry.decode(new DataInputStream(in), password); + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "load"); + } + + protected void store(OutputStream out, char[] password) throws IOException + { + if (Configuration.DEBUG) + log.entering(this.getClass().getName(), "store"); + out.write(USAGE); + keyring.encode(new DataOutputStream(out), password); + if (Configuration.DEBUG) + log.exiting(this.getClass().getName(), "store"); + } +} |