1 files changed, 328 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java b/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java
new file mode 100644
index 00000000000..d49bd09636d
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+++ b/libjava/classpath/gnu/javax/crypto/keyring/GnuPrivateKeyring.java
@@ -0,0 +1,328 @@
+/* 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.Registry;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.InputStream;
+import java.io.IOException;
+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.List;
+
+/**
+ * <p>.</p>
+ */
+public class GnuPrivateKeyring extends BaseKeyring implements IPrivateKeyring
+{
+
+  // Constants and variables
+  // -------------------------------------------------------------------------
+
+  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;
+
+  // Constructor(s)
+  // -------------------------------------------------------------------------
+
+  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);
+  }
+
+  // Class methods
+  // -------------------------------------------------------------------------
+
+  // Instance methods
+  // -------------------------------------------------------------------------
+
+  public boolean containsPrivateKey(String alias)
+  {
+    if (!containsAlias(alias))
+      {
+        return false;
+      }
+    List l = get(alias);
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        if (it.next() instanceof PasswordAuthenticatedEntry)
+          {
+            return true;
+          }
+      }
+    return false;
+  }
+
+  public Key getPrivateKey(String alias, char[] password)
+      throws UnrecoverableKeyException
+  {
+    if (!containsAlias(alias))
+      {
+        return null;
+      }
+    List l = get(alias);
+    PasswordAuthenticatedEntry e1 = null;
+    PasswordEncryptedEntry e2 = null;
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        Entry e = (Entry) it.next();
+        if (e instanceof PasswordAuthenticatedEntry)
+          {
+            e1 = (PasswordAuthenticatedEntry) e;
+            break;
+          }
+      }
+    if (e1 == null)
+      {
+        return null;
+      }
+    try
+      {
+        e1.verify(password);
+      }
+    catch (Exception e)
+      {
+        throw new UnrecoverableKeyException("authentication failed");
+      }
+    for (Iterator it = e1.getEntries().iterator(); it.hasNext();)
+      {
+        Entry e = (Entry) it.next();
+        if (e instanceof PasswordEncryptedEntry)
+          {
+            e2 = (PasswordEncryptedEntry) e;
+            break;
+          }
+      }
+    if (e2 == null)
+      {
+        return null;
+      }
+    try
+      {
+        e2.decrypt(password);
+      }
+    catch (Exception e)
+      {
+        throw new UnrecoverableKeyException("decryption failed");
+      }
+    for (Iterator it = e2.get(alias).iterator(); it.hasNext();)
+      {
+        Entry e = (Entry) it.next();
+        if (e instanceof PrivateKeyEntry)
+          {
+            return ((PrivateKeyEntry) e).getKey();
+          }
+      }
+    return null;
+  }
+
+  public void putPrivateKey(String alias, Key key, char[] password)
+  {
+    if (containsPrivateKey(alias))
+      {
+        return;
+      }
+    alias = fixAlias(alias);
+    Properties p = new Properties();
+    p.put("alias", alias);
+    PrivateKeyEntry pke = new PrivateKeyEntry(key, new Date(), p);
+    PasswordEncryptedEntry enc = new PasswordEncryptedEntry(cipher, mode,
+                                                            keylen,
+                                                            new Properties());
+    PasswordAuthenticatedEntry auth = new PasswordAuthenticatedEntry(
+                                                                     mac,
+                                                                     maclen,
+                                                                     new Properties());
+    enc.add(pke);
+    auth.add(enc);
+    try
+      {
+        enc.encode(null, password);
+        auth.encode(null, password);
+      }
+    catch (IOException ioe)
+      {
+        throw new IllegalArgumentException(ioe.toString());
+      }
+    keyring.add(auth);
+  }
+
+  public boolean containsPublicKey(String alias)
+  {
+    if (!containsAlias(alias))
+      {
+        return false;
+      }
+    List l = get(alias);
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        if (it.next() instanceof PublicKeyEntry)
+          {
+            return true;
+          }
+      }
+    return false;
+  }
+
+  public PublicKey getPublicKey(String alias)
+  {
+    if (!containsAlias(alias))
+      {
+        return null;
+      }
+    List l = get(alias);
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        Entry e = (Entry) it.next();
+        if (e instanceof PublicKeyEntry)
+          {
+            return ((PublicKeyEntry) e).getKey();
+          }
+      }
+    return null;
+  }
+
+  public void putPublicKey(String alias, PublicKey key)
+  {
+    if (containsPublicKey(alias))
+      {
+        return;
+      }
+    Properties p = new Properties();
+    p.put("alias", fixAlias(alias));
+    add(new PublicKeyEntry(key, new Date(), p));
+  }
+
+  public boolean containsCertPath(String alias)
+  {
+    if (!containsAlias(alias))
+      {
+        return false;
+      }
+    List l = get(alias);
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        if (it.next() instanceof CertPathEntry)
+          {
+            return true;
+          }
+      }
+    return false;
+  }
+
+  public Certificate[] getCertPath(String alias)
+  {
+    if (!containsAlias(alias))
+      {
+        return null;
+      }
+    List l = get(alias);
+    for (Iterator it = l.iterator(); it.hasNext();)
+      {
+        Entry e = (Entry) it.next();
+        if (e instanceof CertPathEntry)
+          {
+            return ((CertPathEntry) e).getCertPath();
+          }
+      }
+    return null;
+  }
+
+  public void putCertPath(String alias, Certificate[] path)
+  {
+    if (containsCertPath(alias))
+      {
+        return;
+      }
+    Properties p = new Properties();
+    p.put("alias", fixAlias(alias));
+    add(new CertPathEntry(path, new Date(), p));
+  }
+
+  protected void load(InputStream in, char[] password) throws IOException
+  {
+    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);
+  }
+
+  protected void store(OutputStream out, char[] password) throws IOException
+  {
+    out.write(USAGE);
+    keyring.encode(new DataOutputStream(out), password);
+  }
+}