1 files changed, 42 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/math/field/GF2Polynomial.java b/core/src/main/java/org/bouncycastle/math/field/GF2Polynomial.java
new file mode 100644
index 00000000..73be7685
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/math/field/GF2Polynomial.java
@@ -0,0 +1,42 @@
+package org.bouncycastle.math.field;
+
+import org.bouncycastle.util.Arrays;
+
+class GF2Polynomial implements Polynomial
+{
+    protected final int[] exponents;
+
+    GF2Polynomial(int[] exponents)
+    {
+        this.exponents = Arrays.clone(exponents);
+    }
+
+    public int getDegree()
+    {
+        return exponents[exponents.length - 1];
+    }
+
+    public int[] getExponentsPresent()
+    {
+        return Arrays.clone(exponents);
+    }
+
+    public boolean equals(Object obj)
+    {
+        if (this == obj)
+        {
+            return true;
+        }
+        if (!(obj instanceof GF2Polynomial))
+        {
+            return false;
+        }
+        GF2Polynomial other = (GF2Polynomial)obj;
+        return Arrays.areEqual(exponents, other.exponents);
+    }
+
+    public int hashCode()
+    {
+        return Arrays.hashCode(exponents);
+    }
+}