1 files changed, 53 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/params/NaccacheSternKeyParameters.java b/core/src/main/java/org/bouncycastle/crypto/params/NaccacheSternKeyParameters.java
new file mode 100644
index 00000000..21b6a286
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/crypto/params/NaccacheSternKeyParameters.java
@@ -0,0 +1,53 @@
+package org.bouncycastle.crypto.params;
+
+import java.math.BigInteger;
+
+/**
+ * Public key parameters for NaccacheStern cipher. For details on this cipher,
+ * please see
+ * 
+ * http://www.gemplus.com/smart/rd/publications/pdf/NS98pkcs.pdf
+ */
+public class NaccacheSternKeyParameters extends AsymmetricKeyParameter
+{
+
+    private BigInteger g, n;
+
+    int lowerSigmaBound;
+
+    /**
+     * @param privateKey
+     */
+    public NaccacheSternKeyParameters(boolean privateKey, BigInteger g, BigInteger n, int lowerSigmaBound)
+    {
+        super(privateKey);
+        this.g = g;
+        this.n = n;
+        this.lowerSigmaBound = lowerSigmaBound;
+    }
+
+    /**
+     * @return Returns the g.
+     */
+    public BigInteger getG()
+    {
+        return g;
+    }
+
+    /**
+     * @return Returns the lowerSigmaBound.
+     */
+    public int getLowerSigmaBound()
+    {
+        return lowerSigmaBound;
+    }
+
+    /**
+     * @return Returns the n.
+     */
+    public BigInteger getModulus()
+    {
+        return n;
+    }
+
+}