quadratic

type Quad struct {
	Params *QuadParams
}

type QuadCipher struct {
	Cx   data.VectorG1
	Cy   data.VectorG2
	CIPE data.VectorG1
}

type QuadParams struct {
	PartFHIPE *fullysec.PartFHIPE
	// N should be greater or equal to M
	N int // length of vectors x
	M int // length of vectors y
	// The value by which elements of vectors x, y, and the
	// matrix F are bounded.
	Bound *big.Int
}

type QuadPubKey struct {
	Ua     data.VectorG1
	VB     data.MatrixG2
	PubIPE *fullysec.PartFHIPEPubKey
}

type QuadSecKey struct {
	U      data.Matrix
	V      data.Matrix
	SecIPE *fullysec.PartFHIPESecKey
}

type SGP struct {
	// length of vectors x and y (matrix F is N x N)
	N int
	// Modulus for ciphertext and keys
	Mod *big.Int

	// The value by which elements of vectors x, y, and the
	// matrix F are bounded.
	Bound *big.Int

	GCalc    *dlog.CalcBN256
	GInvCalc *dlog.CalcBN256
}

type SGPCipher struct {
	G1MulGamma *bn256.G1
	AMulG1     []data.VectorG1
	BMulG2     []data.VectorG2
}

type SGPSecKey struct {
	S data.Vector
	T data.Vector
}