func (p *point) Mul(ca abstract.Point, cs abstract.Scalar) abstract.Point {
// Convert the scalar to fixed-length little-endian form.
sb := cs.(*nist.Int).V.Bytes()
shi := len(sb) - 1
var b [32]byte
for i := range sb {
b[shi-i] = sb[i]
}
if ca == nil {
// Optimized multiplication by precomputed base point
C.ge_scalarmult_base(&p.p, (*C.uchar)(unsafe.Pointer(&b[0])))
} else {
// General scalar multiplication
a := ca.(*point)
C.ge_scalarmult(&p.p, (*C.uchar)(unsafe.Pointer(&b[0])), &a.p)
}
return p
}
func (p *point) Base() abstract.Point {
// Way to kill a fly with a sledgehammer...
C.ge_scalarmult_base(&p.p, (*C.uchar)(unsafe.Pointer(&s1.b[0])))
return p
}