Struct elliptic_curve::weierstrass::point::CompressedPoint

pub struct CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>,  { /* fields omitted */ }

This is supported on feature="weierstrass" only.

Compressed elliptic curve points serialized according to the Elliptic-Curve-Point-to-Octet-String algorithm.

See section 2.3.3 of SEC 1: Elliptic Curve Cryptography (Version 2.0):

https://www.secg.org/sec1-v2.pdf

Implementations

impl<C> CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

pub fn from_affine_coords(x: &ElementBytes<C>, y: &ElementBytes<C>) -> Self

This is supported on feature="weierstrass" only.

Compress and serialize an elliptic curve point from its affine coordinates

pub fn from_bytes<B>(into_bytes: B) -> Option<Self> where
    B: Into<GenericArray<u8, CompressedPointSize<C>>>, 

This is supported on feature="weierstrass" only.

Create a new compressed elliptic curve point

pub fn as_bytes(&self) -> &[u8]

This is supported on feature="weierstrass" only.

Borrow byte slice containing compressed curve point

pub fn into_bytes(self) -> GenericArray<u8, CompressedPointSize<C>>

This is supported on feature="weierstrass" only.

Obtain owned array containing compressed curve point

Trait Implementations

impl<C> AsRef<[u8]> for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn as_ref(&self) -> &[u8]

Performs the conversion.

impl<C> Clone for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<C: Curve> Copy for CompressedPoint<C> where
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>,
    <CompressedPointSize<C> as ArrayLength<u8>>::ArrayType: Copy, 

impl<C: Eq> Eq for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

impl<C> From<CompressedPoint<C>> for PublicKey<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    <C::ElementSize as Add>::Output: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>,
    UncompressedPointSize<C>: ArrayLength<u8>, 

fn from(point: CompressedPoint<C>) -> Self

Performs the conversion.

impl<C: Hash> Hash for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl<C: Ord> Ord for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn cmp(&self, other: &CompressedPoint<C>) -> Ordering

This method returns an [Ordering] between self and other.

#[must_use]fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl<C: PartialEq> PartialEq<CompressedPoint<C>> for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn eq(&self, other: &CompressedPoint<C>) -> bool

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

fn ne(&self, other: &CompressedPoint<C>) -> bool

This method tests for !=.

impl<C: PartialOrd> PartialOrd<CompressedPoint<C>> for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

fn partial_cmp(&self, other: &CompressedPoint<C>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &CompressedPoint<C>) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &CompressedPoint<C>) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &CompressedPoint<C>) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &CompressedPoint<C>) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<C> StructuralEq for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

impl<C> StructuralPartialEq for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

impl<C> Zeroize for CompressedPoint<C> where
    C: Curve,
    C::ElementSize: Add<U1>,
    CompressedPointSize<C>: ArrayLength<u8>, 

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.