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all: apply suggestions from code review 

Co-Authored-By: Henry de Valence <hdevalence@hdevalence.ca>
This commit is contained in:
Filippo Valsorda 2019-05-15 14:29:57 -04:00
parent 2b6c50d1bd
commit 644c28a2d3
1 changed files with 6 additions and 6 deletions
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12
internal/scalar/scalar.go
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@ -11,7 +11,7 @@ import (
"encoding/binary"
)
// A Scalar is an element of the group of order
// A Scalar is an integer modulo
// l = 2^252 + 27742317777372353535851937790883648493,
// here represented as an opaque little-endian byte string.
type Scalar [32]byte
@ -90,12 +90,12 @@ func (s *Scalar) Bytes(b []byte) []byte {
return res
}
// Equal returns 1 if v and u are equal, and 0 otherwise.
func (s *Scalar) Equal(u *Scalar) int {
var su, ss [32]byte
u.Bytes(su[:0])
// Equal returns 1 if s and t are equal, and 0 otherwise.
func (s *Scalar) Equal(t *Scalar) int {
var ss, st [32]byte
t.Bytes(st[:0])
s.Bytes(ss[:0])
return subtle.ConstantTimeCompare(su[:], ss[:])
return subtle.ConstantTimeCompare(ss[:], st[:])
}
// sliceForAppend extends the input slice by n bytes. head is the full extended