Struct snarkvm_marlin::fiat_shamir::FiatShamirAlgebraicSpongeRng[−][src]

pub struct FiatShamirAlgebraicSpongeRng<TargetField: PrimeField, BaseField: PrimeField, S: AlgebraicSponge<BaseField>> { /* fields omitted */ }

Expand description

An RNG from any algebraic sponge

Implementations

impl<TargetField: PrimeField, BaseField: PrimeField, S: AlgebraicSponge<BaseField>> FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S>

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pub fn compress_elements(
    src_limbs: &[(BaseField, BaseField)], 
    ty: OptimizationType
) -> Vec<BaseField>

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Compress every two elements if possible. Provides a vector of (limb, num_of_additions), both of which are P::BaseField.

pub fn push_elements_to_sponge(
    sponge: &mut S, 
    src: &[TargetField], 
    ty: OptimizationType
)

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Push elements to sponge, treated in the non-native field representations.

pub fn get_bits_from_sponge(sponge: &mut S, num_bits: usize) -> Vec<bool>[src]

obtain random bits from hashchain. not guaranteed to be uniformly distributed, should only be used in certain situations.

pub fn get_elements_from_sponge(
    sponge: &mut S, 
    num_elements: usize, 
    outputs_short_elements: bool
) -> Vec<TargetField>

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obtain random elements from hashchain. not guaranteed to be uniformly distributed, should only be used in certain situations.

Trait Implementations

impl<TargetField: PrimeField, BaseField: PrimeField, S: AlgebraicSponge<BaseField>> FiatShamirRng<TargetField, BaseField> for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S>

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fn new() -> Self[src]

Initializes an RNG.

fn absorb_nonnative_field_elements(
    &mut self, 
    elems: &[TargetField], 
    ty: OptimizationType
)

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Takes in field elements.

fn absorb_native_field_elements<T: ToConstraintField<BaseField>>(
    &mut self, 
    src: &[T]
)

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Takes in field elements.

fn absorb_bytes(&mut self, elems: &[u8])[src]

Takes in bytes.

fn squeeze_nonnative_field_elements(
    &mut self, 
    num: usize, 
    _: OptimizationType
) -> Result<Vec<TargetField>, FiatShamirError>

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Takes out field elements.

fn squeeze_native_field_elements(
    &mut self, 
    num: usize
) -> Result<Vec<BaseField>, FiatShamirError>

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Takes in field elements.

fn squeeze_128_bits_nonnative_field_elements(
    &mut self, 
    num: usize
) -> Result<Vec<TargetField>, FiatShamirError>

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Takes out field elements of 128 bits.

impl<TargetField: PrimeField, BaseField: PrimeField, PS: AlgebraicSponge<BaseField>, S: AlgebraicSpongeVar<BaseField, PS>> FiatShamirRngVar<TargetField, BaseField, FiatShamirAlgebraicSpongeRng<TargetField, BaseField, PS>> for FiatShamirAlgebraicSpongeRngVar<TargetField, BaseField, PS, S>

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fn new<CS: ConstraintSystem<BaseField>>(cs: CS) -> Self[src]

Create a new RNG.

fn constant<CS: ConstraintSystem<BaseField>>(
    cs: CS, 
    pfs: &FiatShamirAlgebraicSpongeRng<TargetField, BaseField, PS>
) -> Self

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Instantiate from a plaintext fs_rng.

fn absorb_nonnative_field_elements<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    elems: &[NonNativeFieldVar<TargetField, BaseField>], 
    ty: OptimizationType
) -> Result<(), SynthesisError>

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Take in field elements.

fn absorb_native_field_elements<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    elems: &[FpGadget<BaseField>]
) -> Result<(), SynthesisError>

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Take in field elements.

fn absorb_bytes<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    elems: &[UInt8]
) -> Result<(), SynthesisError>

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Take in bytes.

fn squeeze_native_field_elements<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    num: usize
) -> Result<Vec<FpGadget<BaseField>>, SynthesisError>

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Output field elements.

fn squeeze_field_elements<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    num: usize
) -> Result<Vec<NonNativeFieldVar<TargetField, BaseField>>, SynthesisError>

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Output field elements.

fn squeeze_field_elements_and_bits<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    num: usize
) -> Result<(Vec<NonNativeFieldVar<TargetField, BaseField>>, Vec<Vec<Boolean>>), SynthesisError>

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Output field elements and the corresponding bits (this can reduce repeated computation).

fn squeeze_128_bits_field_elements<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    num: usize
) -> Result<Vec<NonNativeFieldVar<TargetField, BaseField>>, SynthesisError>

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Output field elements with only 128 bits.

fn squeeze_128_bits_field_elements_and_bits<CS: ConstraintSystem<BaseField>>(
    &mut self, 
    cs: CS, 
    num: usize
) -> Result<(Vec<NonNativeFieldVar<TargetField, BaseField>>, Vec<Vec<Boolean>>), SynthesisError>

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Output field elements with only 128 bits, and the corresponding bits (this can reduce repeated computation). Read more

impl<TargetField: PrimeField, BaseField: PrimeField, S: AlgebraicSponge<BaseField>> RngCore for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S>

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fn next_u32(&mut self) -> u32[src]

Return the next random u32. Read more

fn next_u64(&mut self) -> u64[src]

Return the next random u64. Read more

fn fill_bytes(&mut self, dest: &mut [u8])[src]

Fill dest with random data. Read more

fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error>[src]

Fill dest entirely with random data. Read more

Auto Trait Implementations

impl<TargetField, BaseField, S> RefUnwindSafe for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S> where
    BaseField: RefUnwindSafe,
    S: RefUnwindSafe,
    TargetField: RefUnwindSafe,

impl<TargetField, BaseField, S> Send for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S> where
    S: Send,

impl<TargetField, BaseField, S> Sync for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S> where
    S: Sync,

impl<TargetField, BaseField, S> Unpin for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S> where
    BaseField: Unpin,
    S: Unpin,
    TargetField: Unpin,

impl<TargetField, BaseField, S> UnwindSafe for FiatShamirAlgebraicSpongeRng<TargetField, BaseField, S> where
    BaseField: UnwindSafe,
    S: UnwindSafe,
    TargetField: UnwindSafe,

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized,

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pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized,

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pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T where
    Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where
    Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
    Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
    Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
    Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
    Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self> where
    Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
    Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
    Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

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

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pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Pipe for T where
    T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
    R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
    R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
    Self: Borrow<B>,
    R: 'a,
    B: 'a + ?Sized,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>(
    &'a mut self, 
    func: impl FnOnce(&'a mut B) -> R
) -> R where
    Self: BorrowMut<B>,
    R: 'a,
    B: 'a + ?Sized,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
    Self: AsRef<U>,
    R: 'a,
    U: 'a + ?Sized,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
    Self: AsMut<U>,
    R: 'a,
    U: 'a + ?Sized,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
    Self: Deref<Target = T>,
    T: 'a + ?Sized,
    R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>(
    &'a mut self, 
    func: impl FnOnce(&'a mut T) -> R
) -> R where
    Self: DerefMut<Target = T> + Deref,
    T: 'a + ?Sized,
    R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<R> Rng for R where
    R: RngCore + ?Sized,

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fn gen<T>(&mut self) -> T where
    Standard: Distribution<T>,

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Return a random value supporting the Standard distribution. Read more

fn gen_range<T, R>(&mut self, range: R) -> T where
    T: SampleUniform,
    R: SampleRange<T>,

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Generate a random value in the given range. Read more

fn sample<T, D>(&mut self, distr: D) -> T where
    D: Distribution<T>,

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Sample a new value, using the given distribution. Read more

fn sample_iter<T, D>(self, distr: D) -> DistIter<D, Self, T> where
    D: Distribution<T>,

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Create an iterator that generates values using the given distribution. Read more

fn fill<T>(&mut self, dest: &mut T) where
    T: Fill + ?Sized,

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Fill any type implementing Fill with random data Read more

fn try_fill<T>(&mut self, dest: &mut T) -> Result<(), Error> where
    T: Fill + ?Sized,

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Fill any type implementing Fill with random data Read more

fn gen_bool(&mut self, p: f64) -> bool[src]

Return a bool with a probability p of being true. Read more

fn gen_ratio(&mut self, numerator: u32, denominator: u32) -> bool[src]

Return a bool with a probability of numerator/denominator of being true. I.e. gen_ratio(2, 3) has chance of 2 in 3, or about 67%, of returning true. If numerator == denominator, then the returned value is guaranteed to be true. If numerator == 0, then the returned value is guaranteed to be false. Read more

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
    Self: Borrow<B>,
    B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
    Self: BorrowMut<B>,
    B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
    Self: AsRef<R>,
    R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
    Self: AsMut<R>,
    R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
    Self: Deref<Target = T>,
    T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
    Self: DerefMut<Target = T> + Deref,
    T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
    Self: Borrow<B>,
    B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
    Self: BorrowMut<B>,
    B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
    Self: AsRef<R>,
    R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
    Self: AsMut<R>,
    R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
    Self: Deref<Target = T>,
    T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
    Self: DerefMut<Target = T> + Deref,
    T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error> where
    Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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.

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, >::Error>[src]

Performs the conversion.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,

pub fn vzip(self) -> V