Package org.bouncycastle.pqc.math.linearalgebra

Examples of org.bouncycastle.pqc.math.linearalgebra.GF2Matrix

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    public static GF2Vector encryptionPrimitive(McElieceCCA2PublicKeyParameters pubKey,
                                                GF2Vector m, GF2Vector z)
    {

        GF2Matrix matrixG = pubKey.getMatrixG();
        Vector mG = matrixG.leftMultiplyLeftCompactForm(m);
        return (GF2Vector)mG.add(z);
    }
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        // obtain values from private key
        int k = privKey.getK();
        Permutation p = privKey.getP();
        GF2mField field = privKey.getField();
        PolynomialGF2mSmallM gp = privKey.getGoppaPoly();
        GF2Matrix h = privKey.getH();
        PolynomialGF2mSmallM[] q = privKey.getQInv();

        // compute inverse permutation P^-1
        Permutation pInv = p.computeInverse();

        // multiply c with permutation P^-1
        GF2Vector cPInv = (GF2Vector)c.multiply(pInv);

        // compute syndrome of cP^-1
        GF2Vector syndVec = (GF2Vector)h.rightMultiply(cPInv);

        // decode syndrome
        GF2Vector errors = GoppaCode.syndromeDecode(syndVec, field, gp, q);
        GF2Vector mG = (GF2Vector)cPInv.add(errors);
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        // obtain values from private key
        int k = privKey.getK();
        Permutation p = privKey.getP();
        GF2mField field = privKey.getField();
        PolynomialGF2mSmallM gp = privKey.getGoppaPoly();
        GF2Matrix h = privKey.getH();
        PolynomialGF2mSmallM[] q = privKey.getQInv();

        // compute inverse permutation P^-1
        Permutation pInv = p.computeInverse();

        // multiply c with permutation P^-1
        GF2Vector cPInv = (GF2Vector)c.multiply(pInv);

        // compute syndrome of cP^-1
        GF2Vector syndVec = (GF2Vector)h.rightMultiply(cPInv);

        // decode syndrome
        GF2Vector errors = GoppaCode.syndromeDecode(syndVec, field, gp, q);
        GF2Vector mG = (GF2Vector)cPInv.add(errors);
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        this.n = n;
        this.k = k;
        field = new GF2mField(encFieldPoly);
        goppaPoly = new PolynomialGF2mSmallM(field, encGoppaPoly);
        p = new Permutation(encP);
        h = new GF2Matrix(encH);
        qInv = new PolynomialGF2mSmallM[encQInv.length];
        for (int i = 0; i < encQInv.length; i++)
        {
            qInv[i] = new PolynomialGF2mSmallM(field, encQInv[i]);
        }
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    {
        super(false, params);
        this.oid = oid;
        this.n = n;
        this.t = t;
        this.g = new GF2Matrix(g);
    }
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    {
        super(false, params);
        this.oid = oid;
        this.n = n;
        this.t = t;
        this.g = new GF2Matrix(encG);
    }
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    {
        super(false, params);
        this.oid = oid;
        this.n = n;
        this.t = t;
        this.matrixG = new GF2Matrix(matrix);
    }
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    {
        super(false, params);
        this.oid = oid;
        this.n = n;
        this.t = t;
        this.matrixG = new GF2Matrix(encMatrix);
    }
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        return t;
    }

    public GF2Matrix getG()
    {
        return new GF2Matrix(matrixG);
    }
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        return t;
    }

    public GF2Matrix getG()
    {
        return new GF2Matrix(matrixG);
    }
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Related Classes of org.bouncycastle.pqc.math.linearalgebra.GF2Matrix

  • org.bouncycastle.pqc.asn1.McElieceCCA2PrivateKey
  • org.bouncycastle.pqc.asn1.McElieceCCA2PublicKey
  • org.bouncycastle.pqc.asn1.McEliecePrivateKey
  • org.bouncycastle.pqc.asn1.McEliecePublicKey
  • org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2KeyPairGenerator
  • org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2Primitives
  • org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2PrivateKeyParameters
  • org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2PublicKeyParameters
  • org.bouncycastle.pqc.crypto.mceliece.McElieceKeyPairGenerator
  • org.bouncycastle.pqc.crypto.mceliece.McEliecePKCSCipher
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