1 files changed, 61 insertions, 0 deletions
diff --git a/libraries/spongycastle/jce/src/main/java/javax/crypto/spec/DHPublicKeySpec.java b/libraries/spongycastle/jce/src/main/java/javax/crypto/spec/DHPublicKeySpec.java
new file mode 100644
index 000000000..1e610d154
--- /dev/null
+++ b/libraries/spongycastle/jce/src/main/java/javax/crypto/spec/DHPublicKeySpec.java
@@ -0,0 +1,61 @@
+package javax.crypto.spec;
+
+import java.math.BigInteger;
+import java.security.spec.KeySpec;
+
+/**
+ * This class specifies a Diffie-Hellman public key with its associated parameters.
+ *
+ * @see DHPrivateKeySpec
+ */
+public class DHPublicKeySpec
+    implements KeySpec
+{
+    private BigInteger  y;
+    private BigInteger  p;
+    private BigInteger  g;
+
+    /**
+     * Constructor that takes a public value <code>y</code>, a prime
+     * modulus <code>p</code>, and a base generator <code>g</code>.
+     */
+    public DHPublicKeySpec(
+        BigInteger  y,
+        BigInteger  p,
+        BigInteger  g)
+    {
+        this.y = y;
+        this.p = p;
+        this.g = g;
+    }
+
+    /**
+     * Returns the public value <code>y</code>.
+     *
+     * @return the public value <code>y</code>
+     */
+    public BigInteger getY()
+    {
+        return y;
+    }
+
+    /**
+     * Returns the prime modulus <code>p</code>.
+     *
+     * @return the prime modulus <code>p</code>
+     */
+    public BigInteger getP()
+    {
+        return p;
+    }
+
+    /**
+     * Returns the base generator <code>g</code>.
+     *
+     * @return the base generator <code>g</code>
+     */
+    public BigInteger getG()
+    {
+        return g;
+    }
+}