Struct Bls12381Point

#[repr(align(4))]
pub struct Bls12381Point(pub WeierstrassPoint<N>);

A point on the BLS12-381 curve.

Tuple Fields

0: WeierstrassPoint<N>

Trait Implementations

impl AffinePoint<N> for Bls12381Point

const GENERATOR_T: Self

The generator was taken from “py_ecc” python library by the Ethereum Foundation:

https://github.com/ethereum/py_ecc/blob/7b9e1b3/py_ecc/bls12_381/bls12_381_curve.py#L38-L45

const GENERATOR: [u32; 24]

👎Deprecated: This const will have the Self type in the next major version.

The generator.

fn new(limbs: [u32; 24]) -> Self

Creates a new AffinePoint from the given limbs.

fn identity() -> Self

Creates a new AffinePoint that corresponds to the identity point.

fn is_identity(&self) -> bool

fn limbs_ref(&self) -> &[u32; 24]

Returns a reference to the limbs.

fn limbs_mut(&mut self) -> &mut [u32; 24]

Returns a mutable reference to the limbs. If the point is the infinity point, this will panic.

fn add_assign(&mut self, other: &Self)

Adds the given AffinePoint to self.

fn complete_add_assign(&mut self, other: &Self)

Adds the given AffinePoint to self. Can be optionally overridden to use a different implementation of addition in multi-scalar multiplication, which is used in secp256k1 recovery.

fn double(&mut self)

Doubles self.

fn from(x: &[u8], y: &[u8]) -> Self

Creates a new AffinePoint from the given x and y coordinates.

fn from_le_bytes(bytes: &[u8]) -> Self

Creates a new AffinePoint from the given bytes in little endian.

fn to_le_bytes(&self) -> Vec<u8>

Creates a new AffinePoint from the given bytes in big endian.

fn mul_assign(&mut self, scalar: &[u32])

Multiplies self by the given scalar.

fn multi_scalar_multiplication( a_bits_le: &[bool], a: Self, b_bits_le: &[bool], b: Self, ) -> Self

Performs multi-scalar multiplication (MSM) on slices of bit vectors and points. Note: a_bits_le and b_bits_le should be in little endian order.

impl Clone for Bls12381Point

fn clone(&self) -> Bls12381Point

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl WeierstrassAffinePoint<N> for Bls12381Point

fn infinity() -> Self

The infinity point representation of the Weierstrass curve. Typically an enum variant.

fn is_infinity(&self) -> bool

Returns true if the point is the infinity point.

fn weierstrass_add_assign(&mut self, other: &Self)

Performs the complete addition of two AffinePoint’s on a Weierstrass curve. For an addition of two points P1 and P2, the cases are: 1. P1 is infinity 2. P2 is infinity 3. P1 equals P2 4. P1 is the negation of P2 5. Default addition.

impl Copy for Bls12381Point