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SelectionError

Enum SelectionError 

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#[non_exhaustive]
pub enum SelectionError { EmptyVerifyAllowlist, UnknownAlgorithm, UnknownOperation, OperationAlgorithmMismatch { operation: KeyOperation, algorithm: Algorithm, }, AlgorithmNotAllowed, AlgorithmMismatch { requested: Algorithm, declared: Algorithm, }, IntentMismatch, InvalidKey(InvalidKeyError), IncompatibleKeyType, KeySuitabilityFailed(IncompatibleKeyError), AmbiguousSelection { count: usize, }, NoMatchingKey, }
Expand description

Errors returned by strict key selection.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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EmptyVerifyAllowlist

Verification selection was requested without a configured allowlist.

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UnknownAlgorithm

The requested algorithm is unknown/private and strict selection rejects it.

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UnknownOperation

The requested operation is unknown/private and strict selection rejects it.

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OperationAlgorithmMismatch

The requested operation is not compatible with the requested algorithm.

Fields

§operation: KeyOperation

Operation requested by the caller.

§algorithm: Algorithm

Algorithm requested by the caller.

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AlgorithmNotAllowed

The requested verification algorithm is not permitted by the allowlist.

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AlgorithmMismatch

The requested algorithm conflicts with a key’s declared alg value.

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§requested: Algorithm

Algorithm requested by the caller.

§declared: Algorithm

Algorithm declared on the matching key.

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IntentMismatch

Key metadata (use / key_ops) does not permit the requested operation.

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InvalidKey(InvalidKeyError)

The matched key is structurally invalid.

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IncompatibleKeyType

Key material type/curve is incompatible with the requested algorithm.

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KeySuitabilityFailed(IncompatibleKeyError)

Key failed cryptographic suitability checks (strength/parameter/capability constraints).

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AmbiguousSelection

More than one key satisfies strict selection criteria.

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§count: usize

Number of matched keys.

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NoMatchingKey

No key satisfies strict selection criteria.

Trait Implementations§

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impl Clone for SelectionError

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fn clone(&self) -> SelectionError

Returns a duplicate 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 Debug for SelectionError

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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 Display for SelectionError

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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 Error for SelectionError

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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl PartialEq for SelectionError

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fn eq(&self, other: &SelectionError) -> 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 Eq for SelectionError

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impl StructuralPartialEq for SelectionError

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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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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
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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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for 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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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Drops the object pointed to by the given pointer. Read more
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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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Should always be Self
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The resulting type after obtaining ownership.
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Converts the given value to a String. Read more
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ToString::to_string, but without panic on OOM.

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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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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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