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Diffstat (limited to 'libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/LongPolynomial5Test.java')
-rw-r--r-- | libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/LongPolynomial5Test.java | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/LongPolynomial5Test.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/LongPolynomial5Test.java deleted file mode 100644 index a5e653415..000000000 --- a/libraries/spongycastle/core/src/test/java/org/spongycastle/pqc/math/ntru/polynomial/test/LongPolynomial5Test.java +++ /dev/null @@ -1,62 +0,0 @@ -package org.spongycastle.pqc.math.ntru.polynomial.test; - -import java.security.SecureRandom; - -import junit.framework.TestCase; -import org.spongycastle.pqc.math.ntru.polynomial.DenseTernaryPolynomial; -import org.spongycastle.pqc.math.ntru.polynomial.IntegerPolynomial; -import org.spongycastle.pqc.math.ntru.polynomial.LongPolynomial5; -import org.spongycastle.util.Arrays; - -public class LongPolynomial5Test - extends TestCase -{ - public void testMult() - { - testMult(new int[]{2}, new int[]{-1}); - testMult(new int[]{2, 0}, new int[]{-1, 0}); - testMult(new int[]{2, 0, 3}, new int[]{-1, 0, 1}); - testMult(new int[]{2, 0, 3, 1}, new int[]{-1, 0, 1, 1}); - testMult(new int[]{2, 0, 3, 1, 2}, new int[]{-1, 0, 1, 1, 0}); - testMult(new int[]{2, 0, 3, 1, 1, 5}, new int[]{1, -1, 1, 1, 0, 1}); - testMult(new int[]{2, 0, 3, 1, 1, 5, 1, 4}, new int[]{1, 0, 1, 1, -1, 1, 0, -1}); - testMult(new int[]{1368, 2047, 672, 871, 1662, 1352, 1099, 1608}, new int[]{1, 0, 1, 1, -1, 1, 0, -1}); - - // test random polynomials - SecureRandom rng = new SecureRandom(); - for (int i = 0; i < 10; i++) - { - int[] coeffs1 = new int[rng.nextInt(2000) + 1]; - int[] coeffs2 = DenseTernaryPolynomial.generateRandom(coeffs1.length, rng).coeffs; - testMult(coeffs1, coeffs2); - } - } - - private void testMult(int[] coeffs1, int[] coeffs2) - { - IntegerPolynomial i1 = new IntegerPolynomial(coeffs1); - IntegerPolynomial i2 = new IntegerPolynomial(coeffs2); - - LongPolynomial5 a = new LongPolynomial5(i1); - DenseTernaryPolynomial b = new DenseTernaryPolynomial(i2); - IntegerPolynomial c1 = i1.mult(i2, 2048); - IntegerPolynomial c2 = a.mult(b).toIntegerPolynomial(); - assertEqualsMod(c1.coeffs, c2.coeffs, 2048); - } - - private void assertEqualsMod(int[] arr1, int[] arr2, int m) - { - assertEquals(arr1.length, arr2.length); - for (int i = 0; i < arr1.length; i++) - { - assertEquals((arr1[i] + m) % m, (arr2[i] + m) % m); - } - } - - public void testToIntegerPolynomial() - { - int[] coeffs = new int[]{2, 0, 3, 1, 1, 5, 1, 4}; - LongPolynomial5 p = new LongPolynomial5(new IntegerPolynomial(coeffs)); - assertTrue(Arrays.areEqual(coeffs, p.toIntegerPolynomial().coeffs)); - } -}
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