1 files changed, 221 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyFactory.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyFactory.java
new file mode 100644
index 000000000..7b57dba70
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/jce/sig/DSSKeyFactory.java
@@ -0,0 +1,221 @@
+/* DSSKeyFactory.java -- JCE DSA key factory Adapter
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is 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, 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; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, 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.java.security.jce.sig;
+
+import gnu.java.security.Registry;
+import gnu.java.security.key.dss.DSSKeyPairPKCS8Codec;
+import gnu.java.security.key.dss.DSSKeyPairX509Codec;
+import gnu.java.security.key.dss.DSSPrivateKey;
+import gnu.java.security.key.dss.DSSPublicKey;
+
+import java.math.BigInteger;
+import java.security.InvalidKeyException;
+import java.security.Key;
+import java.security.KeyFactorySpi;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.interfaces.DSAPrivateKey;
+import java.security.interfaces.DSAPublicKey;
+import java.security.spec.DSAPrivateKeySpec;
+import java.security.spec.DSAPublicKeySpec;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.KeySpec;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.spec.X509EncodedKeySpec;
+
+/**
+ * DSA key factory.
+ * 
+ * @author Casey Marshall (rsdio@metastatic.org)
+ */
+public class DSSKeyFactory
+    extends KeyFactorySpi
+{
+  // implicit 0-arguments constructor
+
+  protected PublicKey engineGeneratePublic(KeySpec keySpec)
+      throws InvalidKeySpecException
+  {
+    if (keySpec instanceof DSAPublicKeySpec)
+      {
+        DSAPublicKeySpec spec = (DSAPublicKeySpec) keySpec;
+        BigInteger p = spec.getP();
+        BigInteger q = spec.getQ();
+        BigInteger g = spec.getG();
+        BigInteger y = spec.getY();
+        return new DSSPublicKey(Registry.X509_ENCODING_ID, p, q, g, y);
+      }
+    if (keySpec instanceof X509EncodedKeySpec)
+      {
+        X509EncodedKeySpec spec = (X509EncodedKeySpec) keySpec;
+        byte[] encoded = spec.getEncoded();
+        PublicKey result;
+        try
+          {
+            result = new DSSKeyPairX509Codec().decodePublicKey(encoded);
+            return result;
+          }
+        catch (RuntimeException x)
+          {
+            throw new InvalidKeySpecException(x.getMessage(), x);
+          }
+      }
+    throw new InvalidKeySpecException("Unsupported (public) key specification");
+  }
+
+  protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
+      throws InvalidKeySpecException
+  {
+    if (keySpec instanceof DSAPrivateKeySpec)
+      {
+        DSAPrivateKeySpec spec = (DSAPrivateKeySpec) keySpec;
+        BigInteger p = spec.getP();
+        BigInteger q = spec.getQ();
+        BigInteger g = spec.getG();
+        BigInteger x = spec.getX();
+        return new DSSPrivateKey(Registry.PKCS8_ENCODING_ID, p, q, g, x);
+      }
+    if (keySpec instanceof PKCS8EncodedKeySpec)
+      {
+        PKCS8EncodedKeySpec spec = (PKCS8EncodedKeySpec) keySpec;
+        byte[] encoded = spec.getEncoded();
+        PrivateKey result;
+        try
+          {
+            result = new DSSKeyPairPKCS8Codec().decodePrivateKey(encoded);
+            return result;
+          }
+        catch (RuntimeException x)
+          {
+            throw new InvalidKeySpecException(x.getMessage(), x);
+          }
+      }
+    throw new InvalidKeySpecException("Unsupported (private) key specification");
+  }
+
+  protected KeySpec engineGetKeySpec(Key key, Class keySpec)
+      throws InvalidKeySpecException
+  {
+    if (key instanceof DSAPublicKey)
+      {
+        if (keySpec.isAssignableFrom(DSAPublicKeySpec.class))
+          {
+            DSAPublicKey dsaKey = (DSAPublicKey) key;
+            BigInteger p = dsaKey.getParams().getP();
+            BigInteger q = dsaKey.getParams().getQ();
+            BigInteger g = dsaKey.getParams().getG();
+            BigInteger y = dsaKey.getY();
+            return new DSAPublicKeySpec(y, p, q, g);
+          }
+        if (keySpec.isAssignableFrom(X509EncodedKeySpec.class))
+          {
+            if (key instanceof DSSPublicKey)
+              {
+                DSSPublicKey dssKey = (DSSPublicKey) key;
+                byte[] encoded = dssKey.getEncoded(Registry.X509_ENCODING_ID);
+                return new X509EncodedKeySpec(encoded);
+              }
+            if (Registry.X509_ENCODING_SORT_NAME.equalsIgnoreCase(key.getFormat()))
+              {
+                byte[] encoded = key.getEncoded();
+                return new X509EncodedKeySpec(encoded);
+              }
+            throw new InvalidKeySpecException(
+                "Wrong key type or unsupported (public) key specification");
+          }
+        throw new InvalidKeySpecException("Unsupported (public) key specification");
+      }
+    if (key instanceof DSAPrivateKey)
+      {
+        if (keySpec.isAssignableFrom(DSAPrivateKeySpec.class))
+          {
+            DSAPrivateKey dsaKey = (DSAPrivateKey) key;
+            BigInteger p = dsaKey.getParams().getP();
+            BigInteger q = dsaKey.getParams().getQ();
+            BigInteger g = dsaKey.getParams().getG();
+            BigInteger x = dsaKey.getX();
+            return new DSAPrivateKeySpec(x, p, q, g);
+          }
+        if (keySpec.isAssignableFrom(PKCS8EncodedKeySpec.class))
+          {
+            if (key instanceof DSSPrivateKey)
+              {
+                DSSPrivateKey dssKey = (DSSPrivateKey) key;
+                byte[] encoded = dssKey.getEncoded(Registry.PKCS8_ENCODING_ID);
+                return new PKCS8EncodedKeySpec(encoded);
+              }
+            if (Registry.PKCS8_ENCODING_SHORT_NAME.equalsIgnoreCase(key.getFormat()))
+              {
+                byte[] encoded = key.getEncoded();
+                return new PKCS8EncodedKeySpec(encoded);
+              }
+            throw new InvalidKeySpecException(
+                "Wrong key type or unsupported (private) key specification");
+          }
+        throw new InvalidKeySpecException("Unsupported (private) key specification");
+      }
+    throw new InvalidKeySpecException("Wrong key type or unsupported key specification");
+  }
+
+  protected Key engineTranslateKey(Key key) throws InvalidKeyException
+  {
+    if ((key instanceof DSSPublicKey) || (key instanceof DSSPrivateKey))
+      return key;
+
+    if (key instanceof DSAPublicKey)
+      {
+        DSAPublicKey dsaKey = (DSAPublicKey) key;
+        BigInteger p = dsaKey.getParams().getP();
+        BigInteger q = dsaKey.getParams().getQ();
+        BigInteger g = dsaKey.getParams().getG();
+        BigInteger y = dsaKey.getY();
+        return new DSSPublicKey(Registry.X509_ENCODING_ID, p, q, g, y);
+      }
+    if (key instanceof DSAPrivateKey)
+      {
+        DSAPrivateKey dsaKey = (DSAPrivateKey) key;
+        BigInteger p = dsaKey.getParams().getP();
+        BigInteger q = dsaKey.getParams().getQ();
+        BigInteger g = dsaKey.getParams().getG();
+        BigInteger x = dsaKey.getX();
+        return new DSSPrivateKey(Registry.PKCS8_ENCODING_ID, p, q, g, x);
+      }
+    throw new InvalidKeyException("Wrong key type");
+  }
+}