Struct blake2::Blake2sMac

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pub struct Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,
{ /* private fields */ }
Expand description

Blake2s MAC function

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impl<OutSize> Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

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pub fn new_with_salt_and_personal( key: &[u8], salt: &[u8], persona: &[u8], ) -> Result<Self, InvalidLength>

Create new instance using provided key, salt, and persona.

Key length should not be bigger than block size, salt and persona length should not be bigger than quarter of block size. If any of those conditions is false the method will return an error.

Trait Implementations§

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impl<OutSize> Clone for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32> + Clone, LeEq<OutSize, U32>: NonZero,

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fn clone(&self) -> Blake2sMac<OutSize>

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<OutSize> Debug for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

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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<OutSize> FixedOutput for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32> + 'static, LeEq<OutSize, U32>: NonZero,

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fn finalize_into(self, out: &mut Output<Self>)

Consume value and write result into provided array.
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fn finalize_fixed(self) -> GenericArray<u8, Self::OutputSize>

Retrieve result and consume the hasher instance.
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impl<OutSize> KeyInit for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

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fn new(key: &Key<Self>) -> Self

Create new value from fixed size key.
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fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength>

Create new value from variable size key.
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fn generate_key( rng: impl CryptoRng + RngCore, ) -> GenericArray<u8, Self::KeySize>

Generate random key using the provided CryptoRng.
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impl<OutSize> KeySizeUser for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

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type KeySize = UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>

Key size in bytes.
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fn key_size() -> usize

Return key size in bytes.
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impl<OutSize> OutputSizeUser for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32> + 'static, LeEq<OutSize, U32>: NonZero,

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type OutputSize = OutSize

Size of the output in bytes.
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fn output_size() -> usize

Return output size in bytes.
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impl<OutSize> Update for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

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fn update(&mut self, input: &[u8])

Update state using the provided data.
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fn chain(self, data: impl AsRef<[u8]>) -> Self
where Self: Sized,

Digest input data in a chained manner.
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impl<OutSize> MacMarker for Blake2sMac<OutSize>
where OutSize: ArrayLength<u8> + IsLessOrEqual<U32>, LeEq<OutSize, U32>: NonZero,

Auto Trait Implementations§

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impl<OutSize> Freeze for Blake2sMac<OutSize>

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impl<OutSize> RefUnwindSafe for Blake2sMac<OutSize>
where OutSize: RefUnwindSafe,

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impl<OutSize> Send for Blake2sMac<OutSize>
where OutSize: Send,

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impl<OutSize> Sync for Blake2sMac<OutSize>
where OutSize: Sync,

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impl<OutSize> Unpin for Blake2sMac<OutSize>
where OutSize: Unpin,

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impl<OutSize> UnwindSafe for Blake2sMac<OutSize>
where OutSize: 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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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> 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> Mac for T

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fn new(key: &GenericArray<u8, <T as KeySizeUser>::KeySize>) -> T
where T: KeyInit,

Create new value from fixed size key.
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fn new_from_slice(key: &[u8]) -> Result<T, InvalidLength>
where T: KeyInit,

Create new value from variable size key.
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fn update(&mut self, data: &[u8])

Update state using the provided data.
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fn chain_update(self, data: impl AsRef<[u8]>) -> T

Process input data in a chained manner.
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fn finalize(self) -> CtOutput<T>

Obtain the result of a Mac computation as a CtOutput and consume Mac instance.
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fn finalize_reset(&mut self) -> CtOutput<T>

Obtain the result of a Mac computation as a CtOutput and reset Mac instance.
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fn reset(&mut self)
where T: Reset,

Reset MAC instance to its initial state.
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fn verify( self, tag: &GenericArray<u8, <T as OutputSizeUser>::OutputSize>, ) -> Result<(), MacError>

Check if tag/code value is correct for the processed input.
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fn verify_reset( &mut self, tag: &GenericArray<u8, <T as OutputSizeUser>::OutputSize>, ) -> Result<(), MacError>

Check if tag/code value is correct for the processed input and reset Mac instance.
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fn verify_slice(self, tag: &[u8]) -> Result<(), MacError>

Check truncated tag correctness using all bytes of calculated tag. Read more
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fn verify_slice_reset(&mut self, tag: &[u8]) -> Result<(), MacError>

Check truncated tag correctness using all bytes of calculated tag and reset Mac instance. Read more
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fn verify_truncated_left(self, tag: &[u8]) -> Result<(), MacError>

Check truncated tag correctness using left side bytes (i.e. tag[..n]) of calculated tag. Read more
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fn verify_truncated_right(self, tag: &[u8]) -> Result<(), MacError>

Check truncated tag correctness using right side bytes (i.e. tag[n..]) of calculated tag. 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> 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.