ark_bn254::g2

Struct Config

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pub struct Config;

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impl Clone for Config

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fn clone(&self) -> Config

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 CurveConfig for Config

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const COFACTOR: &'static [u64] = _

COFACTOR = (36 * X^4) + (36 * X^3) + (30 * X^2) + 6*X + 1 21888242871839275222246405745257275088844257914179612981679871602714643921549

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const COFACTOR_INV: Fr = _

COFACTOR_INV = COFACTOR^{-1} mod r

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type BaseField = QuadExtField<Fp2ConfigWrapper<Fq2Config>>

Base field that the curve is defined over.
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type ScalarField = Fp<MontBackend<FrConfig, 4>, 4>

Finite prime field corresponding to an appropriate prime-order subgroup of the curve group.
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fn cofactor_is_one() -> bool

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impl Default for Config

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fn default() -> Config

Returns the “default value” for a type. Read more
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impl GLVConfig for Config

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const ENDO_COEFFS: &'static [Self::BaseField] = _

Constants that are used to calculate phi(G) := lambda*G. The coefficients of the endomorphism
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const LAMBDA: Self::ScalarField = _

The eigenvalue corresponding to the endomorphism.
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const SCALAR_DECOMP_COEFFS: [(bool, <Self::ScalarField as PrimeField>::BigInt); 4] = _

A 4-element vector representing a 2x2 matrix of coefficients the for scalar decomposition, s.t. k-th entry in the vector is at col i, row j in the matrix, with ij = BE binary decomposition of k. The entries are the LLL-reduced bases. The determinant of this matrix must equal ScalarField::characteristic().
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fn endomorphism(p: &Projective<Self>) -> Projective<Self>

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fn endomorphism_affine(p: &Affine<Self>) -> Affine<Self>

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fn scalar_decomposition( k: Self::ScalarField, ) -> ((bool, Self::ScalarField), (bool, Self::ScalarField))

Decomposes a scalar s into k1, k2, s.t. s = k1 + lambda k2,
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fn glv_mul_projective( p: Projective<Self>, k: Self::ScalarField, ) -> Projective<Self>

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fn glv_mul_affine(p: Affine<Self>, k: Self::ScalarField) -> Affine<Self>

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impl PartialEq for Config

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl SWCurveConfig for Config

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const COEFF_A: Fq2 = Fq2::ZERO

COEFF_A = [0, 0]

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const COEFF_B: Fq2 = _

COEFF_B = 3/(u+9) (19485874751759354771024239261021720505790618469301721065564631296452457478373, 266929791119991161246907387137283842545076965332900288569378510910307636690)

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const GENERATOR: G2Affine = _

AFFINE_GENERATOR_COEFFS = (G2_GENERATOR_X, G2_GENERATOR_Y)

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fn mul_by_a(_: Self::BaseField) -> Self::BaseField

Helper method for computing elem * Self::COEFF_A. Read more
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fn is_in_correct_subgroup_assuming_on_curve(point: &G2Affine) -> bool

Check if the provided curve point is in the prime-order subgroup. Read more
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fn add_b(elem: Self::BaseField) -> Self::BaseField

Helper method for computing elem + Self::COEFF_B. Read more
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fn clear_cofactor(item: &Affine<Self>) -> Affine<Self>

Performs cofactor clearing. The default method is simply to multiply by the cofactor. Some curves can implement a more efficient algorithm.
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fn mul_projective(base: &Projective<Self>, scalar: &[u64]) -> Projective<Self>

Default implementation of group multiplication for projective coordinates
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fn mul_affine(base: &Affine<Self>, scalar: &[u64]) -> Projective<Self>

Default implementation of group multiplication for affine coordinates.
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fn msm( bases: &[Affine<Self>], scalars: &[Self::ScalarField], ) -> Result<Projective<Self>, usize>

Default implementation for multi scalar multiplication
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fn serialize_with_mode<W>( item: &Affine<Self>, writer: W, compress: Compress, ) -> Result<(), SerializationError>
where W: Write,

If uncompressed, serializes both x and y coordinates as well as a bit for whether it is infinity. If compressed, serializes x coordinate with two bits to encode whether y is positive, negative, or infinity.
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fn deserialize_with_mode<R>( reader: R, compress: Compress, validate: Validate, ) -> Result<Affine<Self>, SerializationError>
where R: Read,

If validate is Yes, calls check() to make sure the element is valid.
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fn serialized_size(compress: Compress) -> usize

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impl Eq for Config

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impl StructuralPartialEq for Config

Auto Trait Implementations§

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impl Freeze for Config

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impl RefUnwindSafe for Config

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impl Send for Config

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impl Sync for Config

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impl Unpin for Config

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impl UnwindSafe for Config

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V