Struct sha2::Sha256VarCore

pub struct Sha256VarCore {
    state: [u32; 8],
    block_len: u64,
}

Core block-level SHA-256 hasher with variable output size.

Supports initialization only for 28 and 32 byte output sizes, i.e. 224 and 256 bits respectively.

Fields

state: [u32; 8]

block_len: u64

Trait Implementations

impl AlgorithmName for Sha256VarCore

fn write_alg_name(f: &mut Formatter<'_>) -> Result

Write algorithm name into f.

impl BlockSizeUser for Sha256VarCore

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

Size of the block in bytes.

fn block_size() -> usize

Return block size in bytes.

impl BufferKindUser for Sha256VarCore

type BufferKind = Eager

Block buffer kind over which type operates.

impl Clone for Sha256VarCore

fn clone(&self) -> Sha256VarCore

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Sha256VarCore

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

Formats the value using the given formatter.

impl OutputSizeUser for Sha256VarCore

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

Size of the output in bytes.

fn output_size() -> usize

Return output size in bytes.

impl UpdateCore for Sha256VarCore

fn update_blocks(&mut self, blocks: &[Block<Self>])

Update state using the provided data blocks.

impl VariableOutputCore for Sha256VarCore

const TRUNC_SIDE: TruncSide = TruncSide::Left

Side which should be used in a truncated result.

fn new(output_size: usize) -> Result<Self, InvalidOutputSize>

Initialize hasher state for given output size.

fn finalize_variable_core( &mut self, buffer: &mut Buffer<Self>, out: &mut Output<Self> )

Finalize hasher and write full hashing result into the out buffer.

impl HashMarker for Sha256VarCore