hopr_crypto_types::utils

Struct SecretValue

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pub struct SecretValue<L: ArrayLength>(/* private fields */);
Expand description

Represents a secret value of a fixed length that is zeroized on drop. Secret values are always compared in constant time. The default value is all zeroes.

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impl<L: ArrayLength> SecretValue<L>

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pub const LENGTH: usize = L::USIZE

Length of the secret value in bytes.

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impl<L: ArrayLength> AsMut<[u8]> for SecretValue<L>

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fn as_mut(&mut self) -> &mut [u8] ⓘ

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<L: ArrayLength> AsRef<[u8]> for SecretValue<L>

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fn as_ref(&self) -> &[u8] ⓘ

Converts this type into a shared reference of the (usually inferred) input type.
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impl<L: Clone + ArrayLength> Clone for SecretValue<L>

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fn clone(&self) -> SecretValue<L>

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<L: ArrayLength> ConstantTimeEq for SecretValue<L>

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fn ct_eq(&self, other: &Self) -> Choice

Determine if two items are equal. Read more
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fn ct_ne(&self, other: &Self) -> Choice

Determine if two items are NOT equal. Read more
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impl<L: ArrayLength> Default for SecretValue<L>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de, L: ArrayLength> Deserialize<'de> for SecretValue<L>

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<L: ArrayLength> Drop for SecretValue<L>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<'a, L: ArrayLength> From<&'a SecretValue<L>> for &'a GenericArray<u8, L>

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fn from(value: &'a SecretValue<L>) -> Self

Converts to this type from the input type.
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impl<L: ArrayLength> From<GenericArray<u8, L>> for SecretValue<L>

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fn from(value: GenericArray<u8, L>) -> Self

Converts to this type from the input type.
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impl<L: ArrayLength> From<SecretValue<L>> for Box<[u8]>

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fn from(value: SecretValue<L>) -> Self

Converts to this type from the input type.
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impl<L: ArrayLength> Randomizable for SecretValue<L>

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fn random() -> Self

Generates cryptographically strong random secret value.

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impl<L: ArrayLength> Serialize for SecretValue<L>

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<L: ArrayLength> TryFrom<&[u8]> for SecretValue<L>

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type Error = CryptoError

The type returned in the event of a conversion error.
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fn try_from(value: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.

Auto Trait Implementations§

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impl<L> Freeze for SecretValue<L>
where <L as ArrayLength>::ArrayType<u8>: Freeze,

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impl<L> RefUnwindSafe for SecretValue<L>
where <L as ArrayLength>::ArrayType<u8>: RefUnwindSafe,

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impl<L> Send for SecretValue<L>

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impl<L> Sync for SecretValue<L>

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impl<L> Unpin for SecretValue<L>
where <L as ArrayLength>::ArrayType<u8>: Unpin,

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impl<L> UnwindSafe for SecretValue<L>
where <L as ArrayLength>::ArrayType<u8>: UnwindSafe,

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, 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<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
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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fn or<P, B, E>(self, other: P) -> Or<T, P>
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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToHex for T
where T: AsRef<[u8]>,

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fn encode_hex<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca)
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fn encode_hex_upper<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA)
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impl<T> ToHex for T
where T: AsRef<[u8]>,

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fn encode_hex<U>(&self) -> U
where U: FromIterator<char>,

👎Deprecated: use ToHexExt instead
Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca).
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fn encode_hex_upper<U>(&self) -> U
where U: FromIterator<char>,

👎Deprecated: use ToHexExt instead
Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA).
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impl<T> ToHexExt for T
where T: AsRef<[u8]>,

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fn encode_hex(&self) -> String

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca).
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fn encode_hex_upper(&self) -> String

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA).
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fn encode_hex_with_prefix(&self) -> String

Encode the hex strict representing self into the result with prefix 0x. Lower case letters are used (e.g. 0xf9b4ca).
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fn encode_hex_upper_with_prefix(&self) -> String

Encode the hex strict representing self into the result with prefix 0X. Upper case letters are used (e.g. 0xF9B4CA).
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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

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,