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Diffstat (limited to 'libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/BigDecimalPolynomialTest.java')
-rw-r--r--libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/BigDecimalPolynomialTest.java47
1 files changed, 0 insertions, 47 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/BigDecimalPolynomialTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/BigDecimalPolynomialTest.java
deleted file mode 100644
index fdeb68555..000000000
--- a/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/BigDecimalPolynomialTest.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.spongycastle.pqc.math.ntru.polynomial.test;
-
-import java.math.BigDecimal;
-import java.security.SecureRandom;
-
-import junit.framework.TestCase;
-import org.spongycastle.pqc.math.ntru.polynomial.BigDecimalPolynomial;
-import org.spongycastle.pqc.math.ntru.polynomial.BigIntPolynomial;
-import org.spongycastle.pqc.math.ntru.polynomial.DenseTernaryPolynomial;
-import org.spongycastle.pqc.math.ntru.polynomial.IntegerPolynomial;
-
-public class BigDecimalPolynomialTest
- extends TestCase
-{
- public void testMult()
- {
- BigDecimalPolynomial a = new BigDecimalPolynomial(new BigIntPolynomial(new IntegerPolynomial(new int[]{4, -1, 9, 2, 1, -5, 12, -7, 0, -9, 5})));
- BigDecimalPolynomial b = new BigDecimalPolynomial(new BigIntPolynomial(new IntegerPolynomial(new int[]{-6, 0, 0, 13, 3, -2, -4, 10, 11, 2, -1})));
- BigDecimalPolynomial c = a.mult(b);
- BigDecimal[] expectedCoeffs = new BigDecimalPolynomial(new BigIntPolynomial(new IntegerPolynomial(new int[]{2, -189, 77, 124, -29, 0, -75, 124, -49, 267, 34}))).getCoeffs();
-
- BigDecimal[] cCoeffs = c.getCoeffs();
-
- assertEquals(expectedCoeffs.length, cCoeffs.length);
- for (int i = 0; i != cCoeffs.length; i++)
- {
- assertEquals(expectedCoeffs[i], cCoeffs[i]);
- }
-
- // multiply a polynomial by its inverse modulo 2048 and check that the result is 1
- SecureRandom random = new SecureRandom();
- IntegerPolynomial d, dInv;
- do
- {
- d = DenseTernaryPolynomial.generateRandom(1001, 333, 334, random);
- dInv = d.invertFq(2048);
- }
- while (dInv == null);
-
- d.mod(2048);
- BigDecimalPolynomial e = new BigDecimalPolynomial(new BigIntPolynomial(d));
- BigIntPolynomial f = new BigIntPolynomial(dInv);
- IntegerPolynomial g = new IntegerPolynomial(e.mult(f).round());
- g.modPositive(2048);
- assertTrue(g.equalsOne());
- }
-} \ No newline at end of file