Struct openssl::ec::EcPoint

pub struct EcPoint(_);

Represents a point on the curve

Implementations

impl EcPoint

pub fn new(group: &EcGroupRef) -> Result<EcPoint, ErrorStack>

Creates a new point on the specified curve.

This corresponds to EC_POINT_new.

Examples found in repository

src/ec.rs (line 616)

    pub fn from_bytes(
        group: &EcGroupRef,
        buf: &[u8],
        ctx: &mut BigNumContextRef,
    ) -> Result<EcPoint, ErrorStack> {
        let point = EcPoint::new(group)?;
        unsafe {
            cvt(ffi::EC_POINT_oct2point(
                group.as_ptr(),
                point.as_ptr(),
                buf.as_ptr(),
                buf.len(),
                ctx.as_ptr(),
            ))?;
        }
        Ok(point)
    }

pub fn from_bytes(
    group: &EcGroupRef,
    buf: &[u8],
    ctx: &mut BigNumContextRef
) -> Result<EcPoint, ErrorStack>

Creates point from a binary representation

This corresponds to EC_POINT_oct2point.

Methods from Deref<Target = EcPointRef>

pub fn add(
    &mut self,
    group: &EcGroupRef,
    a: &EcPointRef,
    b: &EcPointRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Computes a + b, storing the result in self.

This corresponds to EC_POINT_add.

pub fn mul(
    &mut self,
    group: &EcGroupRef,
    q: &EcPointRef,
    m: &BigNumRef,
    ctx: &BigNumContextRef
) -> Result<(), ErrorStack>

Computes q * m, storing the result in self.

This corresponds to EC_POINT_mul.

pub fn mul_generator(
    &mut self,
    group: &EcGroupRef,
    n: &BigNumRef,
    ctx: &BigNumContextRef
) -> Result<(), ErrorStack>

Computes generator * n, storing the result in self.

This corresponds to EC_POINT_mul.

pub fn mul_full(
    &mut self,
    group: &EcGroupRef,
    n: &BigNumRef,
    q: &EcPointRef,
    m: &BigNumRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Computes generator * n + q * m, storing the result in self.

This corresponds to EC_POINT_mul.

pub fn invert(
    &mut self,
    group: &EcGroupRef,
    ctx: &BigNumContextRef
) -> Result<(), ErrorStack>

Inverts self.

This corresponds to EC_POINT_invert.

pub fn to_bytes(
    &self,
    group: &EcGroupRef,
    form: PointConversionForm,
    ctx: &mut BigNumContextRef
) -> Result<Vec<u8>, ErrorStack>

Serializes the point to a binary representation.

This corresponds to EC_POINT_point2oct.

pub fn to_owned(&self, group: &EcGroupRef) -> Result<EcPoint, ErrorStack>

Creates a new point on the specified curve with the same value.

This corresponds to EC_POINT_dup.

pub fn eq(
    &self,
    group: &EcGroupRef,
    other: &EcPointRef,
    ctx: &mut BigNumContextRef
) -> Result<bool, ErrorStack>

Determines if this point is equal to another.

This corresponds to EC_POINT_cmp.

pub fn affine_coordinates(
    &self,
    group: &EcGroupRef,
    x: &mut BigNumRef,
    y: &mut BigNumRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Places affine coordinates of a curve over a prime field in the provided x and y BigNums.

This corresponds to EC_POINT_get_affine_coordinates.

pub fn affine_coordinates_gfp(
    &self,
    group: &EcGroupRef,
    x: &mut BigNumRef,
    y: &mut BigNumRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Places affine coordinates of a curve over a prime field in the provided x and y BigNums

This corresponds to EC_POINT_get_affine_coordinates_GFp.

pub fn set_affine_coordinates_gfp(
    &mut self,
    group: &EcGroupRef,
    x: &BigNumRef,
    y: &BigNumRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Sets affine coordinates of a curve over a prime field using the provided x and y BigNums

This corresponds to EC_POINT_set_affine_coordinates_GFp.

pub fn affine_coordinates_gf2m(
    &self,
    group: &EcGroupRef,
    x: &mut BigNumRef,
    y: &mut BigNumRef,
    ctx: &mut BigNumContextRef
) -> Result<(), ErrorStack>

Places affine coordinates of a curve over a binary field in the provided x and y BigNums

This corresponds to EC_POINT_get_affine_coordinates_GF2m.

pub fn is_infinity(&self, group: &EcGroupRef) -> bool

Checks if point is infinity

This corresponds to EC_POINT_is_at_infinity.

pub fn is_on_curve(
    &self,
    group: &EcGroupRef,
    ctx: &mut BigNumContextRef
) -> Result<bool, ErrorStack>

Checks if point is on a given curve

This corresponds to EC_POINT_is_on_curve.

Trait Implementations

impl AsRef<EcPointRef> for EcPoint

fn as_ref(&self) -> &EcPointRef

Converts this type into a shared reference of the (usually inferred) input type.

impl Borrow<EcPointRef> for EcPoint

fn borrow(&self) -> &EcPointRef

Immutably borrows from an owned value.

impl Deref for EcPoint

type Target = EcPointRef

The resulting type after dereferencing.

fn deref(&self) -> &EcPointRef

Dereferences the value.

impl DerefMut for EcPoint

fn deref_mut(&mut self) -> &mut EcPointRef

Mutably dereferences the value.

impl Drop for EcPoint

fn drop(&mut self)

Executes the destructor for this type.

impl ForeignType for EcPoint

type CType = EC_POINT

The raw C type.

type Ref = EcPointRef

The type representing a reference to this type.

unsafe fn from_ptr(ptr: *mut EC_POINT) -> EcPoint

Constructs an instance of this type from its raw type.

fn as_ptr(&self) -> *mut EC_POINT

Returns a raw pointer to the wrapped value.

impl Send for EcPoint

impl Sync for EcPoint