1 files changed, 46 insertions, 0 deletions
diff --git a/crypto/src/math/field/GF2Polynomial.cs b/crypto/src/math/field/GF2Polynomial.cs
new file mode 100644
index 000000000..c062d508a
--- /dev/null
+++ b/crypto/src/math/field/GF2Polynomial.cs
@@ -0,0 +1,46 @@
+using System;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Math.Field
+{
+ internal class GF2Polynomial
+ : IPolynomial
+ {
+ protected readonly int[] exponents;
+
+ internal GF2Polynomial(int[] exponents)
+ {
+ this.exponents = Arrays.Clone(exponents);
+ }
+
+ public virtual int Degree
+ {
+ get { return exponents[exponents.Length - 1]; }
+ }
+
+ public virtual int[] GetExponentsPresent()
+ {
+ return Arrays.Clone(exponents);
+ }
+
+ public override bool Equals(object obj)
+ {
+ if (this == obj)
+ {
+ return true;
+ }
+ GF2Polynomial other = obj as GF2Polynomial;
+ if (null == other)
+ {
+ return false;
+ }
+ return Arrays.AreEqual(exponents, other.exponents);
+ }
+
+ public override int GetHashCode()
+ {
+ return Arrays.GetHashCode(exponents);
+ }
+ }
+}
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