1 files changed, 178 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/key/rsa/GnuRSAKey.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/key/rsa/GnuRSAKey.java
new file mode 100644
index 000000000..0419ac96e
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/key/rsa/GnuRSAKey.java
@@ -0,0 +1,178 @@
+/* GnuRSAKey.java -- 
+   Copyright 2001, 2002, 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.java.security.key.rsa;
+
+import gnu.java.lang.CPStringBuilder;
+
+import gnu.java.security.Registry;
+import gnu.java.security.action.GetPropertyAction;
+import gnu.java.security.util.FormatUtil;
+
+import java.math.BigInteger;
+import java.security.AccessController;
+import java.security.Key;
+import java.security.interfaces.RSAKey;
+
+/**
+ * A base asbtract class for both public and private RSA keys.
+ */
+public abstract class GnuRSAKey
+    implements Key, RSAKey
+{
+  /** The public modulus of an RSA key pair. */
+  private final BigInteger n;
+
+  /** The public exponent of an RSA key pair. */
+  private final BigInteger e;
+
+  /**
+   * Identifier of the default encoding format to use when externalizing the key
+   * material.
+   */
+  protected final int defaultFormat;
+
+  /** String representation of this key. Cached for speed. */
+  private transient String str;
+
+  /**
+   * Trivial protected constructor.
+   * 
+   * @param defaultFormat the identifier of the encoding format to use by
+   *          default when externalizing the key.
+   * @param n the public modulus <code>n</code>.
+   * @param e the public exponent <code>e</code>.
+   */
+  protected GnuRSAKey(int defaultFormat, BigInteger n, BigInteger e)
+  {
+    super();
+
+    this.defaultFormat = defaultFormat <= 0 ? Registry.RAW_ENCODING_ID
+                                            : defaultFormat;
+    this.n = n;
+    this.e = e;
+  }
+
+  public BigInteger getModulus()
+  {
+    return getN();
+  }
+
+  public String getAlgorithm()
+  {
+    return Registry.RSA_KPG;
+  }
+
+  /** @deprecated see getEncoded(int). */
+  public byte[] getEncoded()
+  {
+    return getEncoded(defaultFormat);
+  }
+
+  public String getFormat()
+  {
+    return FormatUtil.getEncodingShortName(defaultFormat);
+  }
+
+  /**
+   * Returns the modulus <code>n</code>.
+   * 
+   * @return the modulus <code>n</code>.
+   */
+  public BigInteger getN()
+  {
+    return n;
+  }
+
+  /**
+   * Returns the public exponent <code>e</code>.
+   * 
+   * @return the public exponent <code>e</code>.
+   */
+  public BigInteger getPublicExponent()
+  {
+    return getE();
+  }
+
+  /**
+   * Same as {@link #getPublicExponent()}.
+   * 
+   * @return the public exponent <code>e</code>.
+   */
+  public BigInteger getE()
+  {
+    return e;
+  }
+
+  /**
+   * Returns <code>true</code> if the designated object is an instance of
+   * {@link RSAKey} and has the same RSA parameter values as this one.
+   * 
+   * @param obj the other non-null RSA key to compare to.
+   * @return <code>true</code> if the designated object is of the same type
+   *         and value as this one.
+   */
+  public boolean equals(final Object obj)
+  {
+    if (obj == null)
+      return false;
+
+    if (! (obj instanceof RSAKey))
+      return false;
+
+    final RSAKey that = (RSAKey) obj;
+    return n.equals(that.getModulus());
+  }
+
+  public String toString()
+  {
+    if (str == null)
+      {
+        String ls = (String) AccessController.doPrivileged
+            (new GetPropertyAction("line.separator"));
+        str = new CPStringBuilder(ls)
+            .append("defaultFormat=").append(defaultFormat).append(",").append(ls)
+            .append("n=0x").append(n.toString(16)).append(",").append(ls)
+            .append("e=0x").append(e.toString(16))
+            .toString();
+      }
+    return str;
+  }
+
+  public abstract byte[] getEncoded(int format);
+}