1 files changed, 28 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/Resultant.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/Resultant.java
new file mode 100644
index 000000000..8fa133286
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/Resultant.java
@@ -0,0 +1,28 @@
+package org.spongycastle.pqc.math.ntru.polynomial;
+
+import java.math.BigInteger;
+
+/**
+ * Contains a resultant and a polynomial <code>rho</code> such that
+ * <code>res = rho*this + t*(x^n-1) for some integer t</code>.
+ *
+ * @see IntegerPolynomial#resultant()
+ * @see IntegerPolynomial#resultant(int)
+ */
+public class Resultant
+{
+    /**
+     * A polynomial such that <code>res = rho*this + t*(x^n-1) for some integer t</code>
+     */
+    public BigIntPolynomial rho;
+    /**
+     * Resultant of a polynomial with <code>x^n-1</code>
+     */
+    public BigInteger res;
+
+    Resultant(BigIntPolynomial rho, BigInteger res)
+    {
+        this.rho = rho;
+        this.res = res;
+    }
+}