Struct k256::AffinePoint

pub struct AffinePoint { /* fields omitted */ }

This is supported on crate feature arithmetic only.

A point on the secp256k1 curve in affine coordinates.

Trait Implementations

impl Add<&'_ AffinePoint> for &ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the + operator.

fn add(self, other: &AffinePoint) -> ProjectivePoint

Performs the + operation.

impl Add<&'_ AffinePoint> for ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the + operator.

fn add(self, other: &AffinePoint) -> ProjectivePoint

Performs the + operation.

impl Add<AffinePoint> for ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the + operator.

fn add(self, other: AffinePoint) -> ProjectivePoint

Performs the + operation.

impl AddAssign<&'_ AffinePoint> for ProjectivePoint

fn add_assign(&mut self, rhs: &AffinePoint)

Performs the += operation.

impl AddAssign<AffinePoint> for ProjectivePoint

fn add_assign(&mut self, rhs: AffinePoint)

Performs the += operation.

impl Clone for AffinePoint

fn clone(&self) -> AffinePoint

Returns a copy of the value.

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

Performs copy-assignment from source.

impl ConditionallySelectable for AffinePoint

fn conditional_select(
    a: &AffinePoint,
    b: &AffinePoint,
    choice: Choice
) -> AffinePoint

Select a or b according to choice.

fn conditional_assign(&mut self, other: &Self, choice: Choice)

Conditionally assign other to self, according to choice.

fn conditional_swap(a: &mut Self, b: &mut Self, choice: Choice)

Conditionally swap self and other if choice == 1; otherwise, reassign both unto themselves.

impl ConstantTimeEq for AffinePoint

fn ct_eq(&self, other: &AffinePoint) -> Choice

Determine if two items are equal.

impl Debug for AffinePoint

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl DecompressPoint<Secp256k1> for AffinePoint

fn decompress(x_bytes: &FieldBytes, y_is_odd: Choice) -> CtOption<Self>

Attempt to decompress an elliptic curve point.

impl Default for AffinePoint

fn default() -> Self

Returns the “default value” for a type.

impl From<&'_ AffinePoint> for SharedSecret

This is supported on crate feature ecdh only.

fn from(affine: &AffinePoint) -> SharedSecret

Performs the conversion.

impl From<&'_ AffinePoint> for VerifyingKey

This is supported on crate feature ecdsa-core only.

fn from(affine_point: &AffinePoint) -> VerifyingKey

Performs the conversion.

impl From<AffinePoint> for EncodedPoint

fn from(affine_point: AffinePoint) -> EncodedPoint

Returns the SEC1 compressed encoding of this point.

impl From<AffinePoint> for ProjectivePoint

fn from(p: AffinePoint) -> Self

Performs the conversion.

impl From<ProjectivePoint> for AffinePoint

fn from(p: ProjectivePoint) -> AffinePoint

Performs the conversion.

impl FromEncodedPoint<Secp256k1> for AffinePoint

fn from_encoded_point(encoded_point: &EncodedPoint) -> Option<Self>

Attempts to parse the given EncodedPoint as an SEC1-encoded AffinePoint.

Returns

None value if encoded_point is not on the secp256k1 curve.

impl GroupEncoding for AffinePoint

type Repr = CompressedPoint

The encoding of group elements.

fn from_bytes(bytes: &Self::Repr) -> CtOption<Self>

Attempts to deserialize a group element from its encoding.

fn from_bytes_unchecked(bytes: &Self::Repr) -> CtOption<Self>

Attempts to deserialize a group element, not checking if the element is valid.

fn to_bytes(&self) -> Self::Repr

Converts this element into its byte encoding. This may or may not support encoding the identity.

impl Mul<&'_ Scalar> for AffinePoint

type Output = ProjectivePoint

The resulting type after applying the * operator.

fn mul(self, scalar: &Scalar) -> ProjectivePoint

Performs the * operation.

impl Mul<Scalar> for AffinePoint

type Output = ProjectivePoint

The resulting type after applying the * operator.

fn mul(self, scalar: Scalar) -> ProjectivePoint

Performs the * operation.

impl Neg for AffinePoint

type Output = AffinePoint

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl PartialEq<AffinePoint> for AffinePoint

fn eq(&self, other: &AffinePoint) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PrimeCurveAffine for AffinePoint

fn identity() -> Self

Returns the identity of the group: the point at infinity.

fn generator() -> Self

Returns the base point of SECP256k1.

fn is_identity(&self) -> Choice

Is this point the identity point?

fn to_curve(&self) -> ProjectivePoint

Convert to curve representation.

type Scalar = Scalar

type Curve = ProjectivePoint

impl Sub<&'_ AffinePoint> for &ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the - operator.

fn sub(self, other: &AffinePoint) -> ProjectivePoint

Performs the - operation.

impl Sub<&'_ AffinePoint> for ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the - operator.

fn sub(self, other: &AffinePoint) -> ProjectivePoint

Performs the - operation.

impl Sub<AffinePoint> for ProjectivePoint

type Output = ProjectivePoint

The resulting type after applying the - operator.

fn sub(self, other: AffinePoint) -> ProjectivePoint

Performs the - operation.

impl SubAssign<&'_ AffinePoint> for ProjectivePoint

fn sub_assign(&mut self, rhs: &AffinePoint)

Performs the -= operation.

impl SubAssign<AffinePoint> for ProjectivePoint

fn sub_assign(&mut self, rhs: AffinePoint)

Performs the -= operation.

impl ToEncodedPoint<Secp256k1> for AffinePoint

fn to_encoded_point(&self, compress: bool) -> EncodedPoint

Serialize this value as a SEC1 EncodedPoint, optionally applying point compression.

impl VerifyPrimitive<Secp256k1> for AffinePoint

This is supported on crate feature ecdsa-core only.

fn verify_prehashed(
    &self,
    z: &Scalar,
    signature: &Signature
) -> Result<(), Error>

Verify the prehashed message against the provided signature

impl Zeroize for AffinePoint

fn zeroize(&mut self)

Zero out this object from memory using Rust intrinsics which ensure the zeroization operation is not “optimized away” by the compiler.

impl Copy for AffinePoint

impl Eq for AffinePoint