HmacKey

lhash

Struct HmacKey 

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pub struct HmacKey<D: Digest> { /* private fields */ }
Expand description

Represents key used to sign content in hmac algorithm.

Comparing to hmac function it allows to pre-compute key and just sign input directly.

Digest is only used in methods, making user to be responsible for using correct algorithm.

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impl<D: Digest> HmacKey<D>

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pub fn new(secret: &[u8]) -> Self

Creates new hmac key, using provided secret.

If secret size is above that of Digest::BlockType then it is hashed, reducing potential quality of hmac properties.

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pub fn sign(&self, input: &[u8]) -> D::OutputType

Signs provided input with the key.

Auto Trait Implementations§

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impl<D> Freeze for HmacKey<D>
where <D as Digest>::BlockType: Freeze,

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impl<D> RefUnwindSafe for HmacKey<D>
where <D as Digest>::BlockType: RefUnwindSafe,

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impl<D> Send for HmacKey<D>
where <D as Digest>::BlockType: Send,

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impl<D> Sync for HmacKey<D>
where <D as Digest>::BlockType: Sync,

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impl<D> Unpin for HmacKey<D>
where <D as Digest>::BlockType: Unpin,

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impl<D> UnwindSafe for HmacKey<D>
where <D as Digest>::BlockType: 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> 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, 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.