1 files changed, 37 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/math/ec/ZTauElement.java b/core/src/main/java/org/spongycastle/math/ec/ZTauElement.java
new file mode 100644
index 00000000..3fd5e21f
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/math/ec/ZTauElement.java
@@ -0,0 +1,37 @@
+package org.spongycastle.math.ec;
+
+import java.math.BigInteger;
+
+/**
+ * Class representing an element of <code><b>Z</b>[&tau;]</code>. Let
+ * <code>&lambda;</code> be an element of <code><b>Z</b>[&tau;]</code>. Then
+ * <code>&lambda;</code> is given as <code>&lambda; = u + v&tau;</code>. The
+ * components <code>u</code> and <code>v</code> may be used directly, there
+ * are no accessor methods.
+ * Immutable class.
+ */
+class ZTauElement
+{
+    /**
+     * The &quot;real&quot; part of <code>&lambda;</code>.
+     */
+    public final BigInteger u;
+
+    /**
+     * The &quot;<code>&tau;</code>-adic&quot; part of <code>&lambda;</code>.
+     */
+    public final BigInteger v;
+
+    /**
+     * Constructor for an element <code>&lambda;</code> of
+     * <code><b>Z</b>[&tau;]</code>.
+     * @param u The &quot;real&quot; part of <code>&lambda;</code>.
+     * @param v The &quot;<code>&tau;</code>-adic&quot; part of
+     * <code>&lambda;</code>.
+     */
+    public ZTauElement(BigInteger u, BigInteger v)
+    {
+        this.u = u;
+        this.v = v;
+    }
+}