Method Div

group/mod/int.go:248–256

Div sets the target to a * b^-1 mod M, where b^-1 is the modular inverse of b.

(a, b kyber.Scalar)

// Div sets the target to a * b^-1 mod M, where b^-1 is the modular inverse of b.
func (i *Int) Div(a, b kyber.Scalar) kyber.Scalar {
	ai := a.(*Int)
	bi := b.(*Int)
	var t big.Int
	i.M = ai.M
	i.V.Mul(&ai.V, t.ModInverse(&bi.V, i.M))
	i.V.Mod(&i.V, i.M)
	return i
}

// Inv sets the target to the modular inverse of a with respect to modulus M.
func (i *Int) Inv(a kyber.Scalar) kyber.Scalar {