diff options
Diffstat (limited to 'src/vendor/golang.org/x/crypto/curve25519/curve25519.go')
| -rw-r--r-- | src/vendor/golang.org/x/crypto/curve25519/curve25519.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/vendor/golang.org/x/crypto/curve25519/curve25519.go b/src/vendor/golang.org/x/crypto/curve25519/curve25519.go index cda3fdd354..bc62161d6e 100644 --- a/src/vendor/golang.org/x/crypto/curve25519/curve25519.go +++ b/src/vendor/golang.org/x/crypto/curve25519/curve25519.go @@ -9,7 +9,8 @@ package curve25519 // import "golang.org/x/crypto/curve25519" import ( "crypto/subtle" - "fmt" + "errors" + "strconv" "golang.org/x/crypto/curve25519/internal/field" ) @@ -124,10 +125,10 @@ func X25519(scalar, point []byte) ([]byte, error) { func x25519(dst *[32]byte, scalar, point []byte) ([]byte, error) { var in [32]byte if l := len(scalar); l != 32 { - return nil, fmt.Errorf("bad scalar length: %d, expected %d", l, 32) + return nil, errors.New("bad scalar length: " + strconv.Itoa(l) + ", expected 32") } if l := len(point); l != 32 { - return nil, fmt.Errorf("bad point length: %d, expected %d", l, 32) + return nil, errors.New("bad point length: " + strconv.Itoa(l) + ", expected 32") } copy(in[:], scalar) if &point[0] == &Basepoint[0] { @@ -138,7 +139,7 @@ func x25519(dst *[32]byte, scalar, point []byte) ([]byte, error) { copy(base[:], point) ScalarMult(dst, &in, &base) if subtle.ConstantTimeCompare(dst[:], zero[:]) == 1 { - return nil, fmt.Errorf("bad input point: low order point") + return nil, errors.New("bad input point: low order point") } } return dst[:], nil |