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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/crypto/spec/DHPublicKeySpec.java
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+/* DHPublicKeySpec.java -- Wrapper for Diffie-Hellman public keys.
+ Copyright (C) 2004 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 javax.crypto.spec;
+
+import java.math.BigInteger;
+import java.security.spec.KeySpec;
+
+/**
+ * A wrapper for Diffie-Hellman public key data.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ * @see DHPrivateKeySpec
+ */
+public class DHPublicKeySpec implements KeySpec
+{
+
+ // Variables.
+ // ------------------------------------------------------------------------
+
+ /** The base generator. */
+ private BigInteger g;
+
+ /** The prime modulus. */
+ private BigInteger p;
+
+ /** The public value. */
+ private BigInteger y;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a new Diffie-Hellman public key spec.
+ *
+ * @param y The public value.
+ * @param p The prime modulus.
+ * @param g The base generator.
+ */
+ public DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)
+ {
+ this.y = y;
+ this.p = p;
+ this.g = g;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the base generator.
+ *
+ * @return The base generator.
+ */
+ public BigInteger getG()
+ {
+ return g;
+ }
+
+ /**
+ * Get the prime modulus.
+ *
+ * @return The prime modulus.
+ */
+ public BigInteger getP()
+ {
+ return p;
+ }
+
+ /**
+ * Get the public value.
+ *
+ * @return The public value.
+ */
+ public BigInteger getY()
+ {
+ return y;
+ }
+}