Package org.bouncycastle.pqc.math.ntru.polynomial

Examples of org.bouncycastle.pqc.math.ntru.polynomial.SparseTernaryPolynomial

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                f = ProductFormPolynomial.fromBinary(is, N, d1, d2, d3 + 1, d3);
            }
            else
            {
                IntegerPolynomial fInt = IntegerPolynomial.fromBinary3Tight(is, N);
                f = sparse ? new SparseTernaryPolynomial(fInt) : new DenseTernaryPolynomial(fInt);
            }

            if (params.basisType == NTRUSigningKeyGenerationParameters.BASIS_TYPE_STANDARD)
            {
                IntegerPolynomial fPrimeInt = IntegerPolynomial.fromBinary(is, N, q);
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        }
        else
        {
            h = IntegerPolynomial.fromBinary(is, params.N, params.q);
            IntegerPolynomial fInt = IntegerPolynomial.fromBinary3Tight(is, params.N);
            t = params.sparse ? new SparseTernaryPolynomial(fInt) : new DenseTernaryPolynomial(fInt);
        }

        init();
    }
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    {
        IndexGenerator ig = new IndexGenerator(seed, params);

        if (params.polyType == NTRUParameters.TERNARY_POLYNOMIAL_TYPE_PRODUCT)
        {
            SparseTernaryPolynomial r1 = new SparseTernaryPolynomial(generateBlindingCoeffs(ig, params.dr1));
            SparseTernaryPolynomial r2 = new SparseTernaryPolynomial(generateBlindingCoeffs(ig, params.dr2));
            SparseTernaryPolynomial r3 = new SparseTernaryPolynomial(generateBlindingCoeffs(ig, params.dr3));
            return new ProductFormPolynomial(r1, r2, r3);
        }
        else
        {
            int dr = params.dr;
            boolean sparse = params.sparse;
            int[] r = generateBlindingCoeffs(ig, dr);
            if (sparse)
            {
                return new SparseTernaryPolynomial(r);
            }
            else
            {
                return new DenseTernaryPolynomial(r);
            }
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Related Classes of org.bouncycastle.pqc.math.ntru.polynomial.SparseTernaryPolynomial

  • org.bouncycastle.pqc.crypto.ntru.NTRUEncryptionPrivateKeyParameters
  • org.bouncycastle.pqc.crypto.ntru.NTRUEngine
  • org.bouncycastle.pqc.crypto.ntru.NTRUSigningPrivateKeyParameters$Basis
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