Examples of org.bouncycastle.pqc.math.linearalgebra.GF2mField

Package org.bouncycastle.pqc.math.linearalgebra

Examples of org.bouncycastle.pqc.math.linearalgebra.GF2mField

org.bouncycastle.pqc.math.linearalgebra.GF2mField
This class describes operations with elements from the finite field F = GF(2^m). ( GF(2^m)= GF(2)[A] where A is a root of irreducible polynomial with degree m, each field element B has a polynomial basis representation, i.e. it is represented by a different binary polynomial of degree less than m, B = poly(A) ) All operations are defined only for field with 1< m <32. For the representation of field elements the map f: F->Z, poly(A)->poly(2) is used, where integers have the binary representation. For example: A^7+A^3+A+1 -> (00...0010001011)=139 Also for elements type Integer is used. @see PolynomialRingGF2

                                      byte[] encGoppaPoly, byte[] encP, byte[] encH, byte[][] encQInv)
    {
        this.oid = oid;
        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++)

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                                  byte[] encH, byte[][] encQInv)
    {
        this.oid = oid;
        this.n = n;
        this.k = k;
        field = new GF2mField(encField);
        goppaPoly = new PolynomialGF2mSmallM(field, encGoppaPoly);
        sInv = new GF2Matrix(encSInv);
        p1 = new Permutation(encP1);
        p2 = new Permutation(encP2);
        h = new GF2Matrix(encH);

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        return k;
    }


    public GF2mField getField()
    {
        return new GF2mField(encField);
    }

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    }


    public PolynomialGF2mSmallM[] getQInv()
    {
        PolynomialGF2mSmallM[] qInv = new PolynomialGF2mSmallM[encqInv.length];
        GF2mField field = this.getField();


        for (int i = 0; i < encqInv.length; i++)
        {
            qInv[i] = new PolynomialGF2mSmallM(field, encqInv[i]);
        }

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