Struct modular_frost::ThresholdKeys

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pub struct ThresholdKeys<C>
where C: Ciphersuite,
{ /* private fields */ }
Expand description

Distributed key generation protocol. Threshold keys usable for signing.

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impl<C> ThresholdKeys<C>
where C: Ciphersuite,

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pub fn new(core: ThresholdCore<C>) -> ThresholdKeys<C>

Create a new set of ThresholdKeys from a ThresholdCore.

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pub fn offset(&self, offset: <C as Ciphersuite>::F) -> ThresholdKeys<C>

Offset the keys by a given scalar to allow for various account and privacy schemes.

This offset is ephemeral and will not be included when these keys are serialized. It also accumulates, so calling offset multiple times will produce a offset of the offsets’ sum.

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pub fn current_offset(&self) -> Option<<C as Ciphersuite>::F>

Return the current offset in-use for these keys.

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pub fn params(&self) -> ThresholdParams

Return the parameters for these keys.

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pub fn secret_share(&self) -> &Zeroizing<<C as Ciphersuite>::F>

Return the secret share for these keys.

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pub fn group_key(&self) -> <C as Ciphersuite>::G

Return the group key, with any offset applied.

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pub fn serialize(&self) -> Zeroizing<Vec<u8>>

Serialize these keys to a Vec<u8>.

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pub fn view( &self, included: Vec<Participant>, ) -> Result<ThresholdView<C>, DkgError<()>>

Obtain a view of these keys, with any offset applied, interpolated for the specified signing set.

Trait Implementations§

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impl<C> Clone for ThresholdKeys<C>
where C: Clone + Ciphersuite, <C as Ciphersuite>::F: Clone,

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fn clone(&self) -> ThresholdKeys<C>

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<C> Debug for ThresholdKeys<C>
where C: Debug + Ciphersuite, <C as Ciphersuite>::F: Debug,

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

Formats the value using the given formatter. Read more
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impl<C> From<ThresholdCore<C>> for ThresholdKeys<C>
where C: Ciphersuite,

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fn from(keys: ThresholdCore<C>) -> ThresholdKeys<C>

Converts to this type from the input type.
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impl<C> Zeroize for ThresholdKeys<C>
where C: Ciphersuite,

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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.

Auto Trait Implementations§

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impl<C> Freeze for ThresholdKeys<C>
where <C as Ciphersuite>::F: Freeze,

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impl<C> RefUnwindSafe for ThresholdKeys<C>

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impl<C> Send for ThresholdKeys<C>

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impl<C> Sync for ThresholdKeys<C>

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impl<C> Unpin for ThresholdKeys<C>
where <C as Ciphersuite>::F: Unpin,

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impl<C> UnwindSafe for ThresholdKeys<C>

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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default 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<T> Conv for T

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

Converts self into T using Into<T>. Read more
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impl<T> FmtForward for T

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

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. 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> Pipe for T
where T: ?Sized,

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

Pipes by value. This is generally the method you want to use. Read more
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where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

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type Output = T

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

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Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

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

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