curve25519_dalek::backend::serial::curve_models

Struct ProjectiveNielsPoint

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pub struct ProjectiveNielsPoint {
    pub Y_plus_X: FieldElement51,
    pub Y_minus_X: FieldElement51,
    pub Z: FieldElement51,
    pub T2d: FieldElement51,
}
Expand description

A pre-computed point on the \( \mathbb P^3 \) model for the curve, represented as \((Y+X, Y-X, Z, 2dXY)\) in “Niels coordinates”.

More details on the relationships between the different curve models can be found in the module-level documentation.

Fields§

§Y_plus_X: FieldElement51§Y_minus_X: FieldElement51§Z: FieldElement51§T2d: FieldElement51

Trait Implementations§

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impl<'a, 'b> Add<&'b ProjectiveNielsPoint> for &'a EdwardsPoint

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type Output = CompletedPoint

The resulting type after applying the + operator.
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fn add(self, other: &'b ProjectiveNielsPoint) -> CompletedPoint

Performs the + operation. Read more
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impl Clone for ProjectiveNielsPoint

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fn clone(&self) -> ProjectiveNielsPoint

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl ConditionallySelectable for ProjectiveNielsPoint

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

Select a or b according to choice. Read more
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fn conditional_assign(&mut self, other: &Self, choice: Choice)

Conditionally assign other to self, according to choice. Read more
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fn conditional_swap(a: &mut Self, b: &mut Self, choice: Choice)

Conditionally swap self and other if choice == 1; otherwise, reassign both unto themselves. Read more
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impl Debug for ProjectiveNielsPoint

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

Formats the value using the given formatter. Read more
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impl Default for ProjectiveNielsPoint

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fn default() -> ProjectiveNielsPoint

Returns the “default value” for a type. Read more
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impl Identity for ProjectiveNielsPoint

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fn identity() -> ProjectiveNielsPoint

Returns the identity element of the curve. Can be used as a constructor.
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impl<'a> Neg for &'a ProjectiveNielsPoint

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type Output = ProjectiveNielsPoint

The resulting type after applying the - operator.
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fn neg(self) -> ProjectiveNielsPoint

Performs the unary - operation. Read more
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impl<'a, 'b> Sub<&'b ProjectiveNielsPoint> for &'a EdwardsPoint

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type Output = CompletedPoint

The resulting type after applying the - operator.
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fn sub(self, other: &'b ProjectiveNielsPoint) -> CompletedPoint

Performs the - operation. Read more
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impl Zeroize for ProjectiveNielsPoint

Available on crate feature zeroize only.
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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.
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impl Copy for ProjectiveNielsPoint

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Negate self if choice == Choice(1); otherwise, leave it unchanged. Read more
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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 160 bytes