Exemple #1
0
func (s *secret) Neg(x abstract.Secret) abstract.Secret {
	xs := x.(*secret)
	if C.BN_mod_sub(s.bignum.bn, s.c.n.bn, xs.bignum.bn, s.c.n.bn,
		s.c.ctx) == 0 {
		panic("BN_mod_sub: " + getErrString())
	}
	return s
}
Exemple #2
0
func (s *scalar) Sub(x, y abstract.Scalar) abstract.Scalar {
	xs := x.(*scalar)
	ys := y.(*scalar)
	if C.BN_mod_sub(s.bignum.bn, xs.bignum.bn, ys.bignum.bn, s.c.n.bn,
		s.c.ctx) == 0 {
		panic("BN_mod_sub: " + getErrString())
	}
	return s
}