field

func (*Element) Add ¶

func (e *Element) Add(t1, t2 *Element) *Element

Add sets e = t1 + t2, and returns e.

func (*Element) Bytes ¶

func (e *Element) Bytes() []byte

Bytes returns the 32-byte big-endian encoding of e.

func (*Element) Equal ¶

func (e *Element) Equal(t *Element) int

Equal returns 1 if e == t, and zero otherwise.

func (*Element) Invert ¶

func (e *Element) Invert(x *Element) *Element

Invert sets e = 1/x, and returns e.

If x == 0, Invert returns e = 0.

func (*Element) IsZero ¶

func (e *Element) IsZero() int

IsZero returns 1 if e == 0, and zero otherwise.

func (*Element) Mul ¶

func (e *Element) Mul(t1, t2 *Element) *Element

Mul sets e = t1 * t2, and returns e.

func (*Element) One ¶

func (e *Element) One() *Element

One sets e = 1, and returns e.

func (*Element) Select ¶

func (v *Element) Select(a, b *Element, cond int) *Element

Select sets v to a if cond == 1, and to b if cond == 0.

func (*Element) Set ¶

func (e *Element) Set(t *Element) *Element

Set sets e = t, and returns e.

func (*Element) SetBytes ¶

func (e *Element) SetBytes(v []byte) (*Element, error)

SetBytes sets e = v, where v is a big-endian 32-byte encoding, and returns e. If v is not 32 bytes or it encodes a value higher than 2^256 - 2^224 - 2^96 + 2^64 - 1, SetBytes returns nil and an error, and e is unchanged.

func (*Element) Square ¶

func (e *Element) Square(t *Element) *Element

Square sets e = t * t, and returns e.

func (*Element) Sub ¶

func (e *Element) Sub(t1, t2 *Element) *Element

Sub sets e = t1 - t2, and returns e.

func (*OrderElement) Add ¶

func (e *OrderElement) Add(t1, t2 *OrderElement) *OrderElement

Add sets e = t1 + t2, and returns e.

func (*OrderElement) Bytes ¶

func (e *OrderElement) Bytes() []byte

Bytes returns the 32-byte big-endian encoding of e.

func (*OrderElement) Mul ¶

func (e *OrderElement) Mul(t1, t2 *OrderElement) *OrderElement

Mul sets e = t1 * t2, and returns e.

func (*OrderElement) One ¶

func (e *OrderElement) One() *OrderElement

One sets e = 1, and returns e.

func (*OrderElement) Select ¶

func (v *OrderElement) Select(a, b *OrderElement, cond int) *OrderElement

Select sets v to a if cond == 1, and to b if cond == 0.

func (*OrderElement) SetBytes ¶

func (e *OrderElement) SetBytes(v []byte) (*OrderElement, error)

SetBytes sets e = v, where v is a big-endian 32-byte encoding, and returns e. If v is not 32 bytes or it encodes a value higher than 2^256 - 2^224 - 2^96 + 2^64 - 1, SetBytes returns nil and an error, and e is unchanged.

func (*OrderElement) Square ¶

func (e *OrderElement) Square(t *OrderElement) *OrderElement

Square sets e = t * t, and returns e.

func (*OrderElement) Sub ¶

func (e *OrderElement) Sub(t1, t2 *OrderElement) *OrderElement

Sub sets e = t1 - t2, and returns e.