1 files changed, 0 insertions, 46 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/ModularResultant.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/ModularResultant.java
deleted file mode 100644
index 7e8031fe6..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/math/ntru/polynomial/ModularResultant.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package org.spongycastle.pqc.math.ntru.polynomial;
-
-import java.math.BigInteger;
-
-import org.spongycastle.pqc.math.ntru.euclid.BigIntEuclidean;
-
-/**
- * A resultant modulo a <code>BigInteger</code>
- */
-public class ModularResultant
-    extends Resultant
-{
-    BigInteger modulus;
-
-    ModularResultant(BigIntPolynomial rho, BigInteger res, BigInteger modulus)
-    {
-        super(rho, res);
-        this.modulus = modulus;
-    }
-
-    /**
-     * Calculates a <code>rho</code> modulo <code>m1*m2</code> from
-     * two resultants whose <code>rho</code>s are modulo <code>m1</code> and <code>m2</code>.<br/>
-     * </code>res</code> is set to <code>null</code>.
-     *
-     * @param modRes1
-     * @param modRes2
-     * @return <code>rho</code> modulo <code>modRes1.modulus * modRes2.modulus</code>, and <code>null</code> for </code>res</code>.
-     */
-    static ModularResultant combineRho(ModularResultant modRes1, ModularResultant modRes2)
-    {
-        BigInteger mod1 = modRes1.modulus;
-        BigInteger mod2 = modRes2.modulus;
-        BigInteger prod = mod1.multiply(mod2);
-        BigIntEuclidean er = BigIntEuclidean.calculate(mod2, mod1);
-
-        BigIntPolynomial rho1 = (BigIntPolynomial)modRes1.rho.clone();
-        rho1.mult(er.x.multiply(mod2));
-        BigIntPolynomial rho2 = (BigIntPolynomial)modRes2.rho.clone();
-        rho2.mult(er.y.multiply(mod1));
-        rho1.add(rho2);
-        rho1.mod(prod);
-
-        return new ModularResultant(rho1, null, prod);
-    }
-}