1 files changed, 69 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/params/ElGamalParameters.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/params/ElGamalParameters.java
new file mode 100644
index 000000000..60c484b1d
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/params/ElGamalParameters.java
@@ -0,0 +1,69 @@
+package org.spongycastle.crypto.params;
+
+import java.math.BigInteger;
+
+import org.spongycastle.crypto.CipherParameters;
+
+public class ElGamalParameters
+    implements CipherParameters
+{
+    private BigInteger              g;
+    private BigInteger              p;
+    private int                     l;
+
+    public ElGamalParameters(
+        BigInteger  p,
+        BigInteger  g)
+    {
+        this(p, g, 0);
+    }
+
+    public ElGamalParameters(
+        BigInteger  p,
+        BigInteger  g,
+        int         l)
+    {
+        this.g = g;
+        this.p = p;
+        this.l = l;
+    }
+
+    public BigInteger getP()
+    {
+        return p;
+    }
+
+    /**
+     * return the generator - g
+     */
+    public BigInteger getG()
+    {
+        return g;
+    }
+
+    /**
+     * return private value limit - l
+     */
+    public int getL()
+    {
+        return l;
+    }
+
+    public boolean equals(
+        Object  obj)
+    {
+        if (!(obj instanceof ElGamalParameters))
+        {
+            return false;
+        }
+
+        ElGamalParameters    pm = (ElGamalParameters)obj;
+
+        return pm.getP().equals(p) && pm.getG().equals(g) && pm.getL() == l;
+    }
+    
+    public int hashCode()
+    {
+        return (getP().hashCode() ^ getG().hashCode()) + l;
+    }
+}