Struct HkdfSha256Variant 

pub struct HkdfSha256Variant;

HKDF-SHA-256 algorithm marker.

Trait Implementations

impl Clone for HkdfSha256Variant

fn clone(&self) -> HkdfSha256Variant

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for HkdfSha256Variant

impl Debug for HkdfSha256Variant

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

Formats the value using the given formatter.

impl Default for HkdfSha256Variant

fn default() -> HkdfSha256Variant

Returns the “default value” for a type.

impl HkdfVariant<CRYPTO_KDF_HKDF_SHA256_KEYBYTES> for HkdfSha256Variant

const OUTPUT_BYTES_MAX: usize = CRYPTO_KDF_HKDF_SHA256_BYTES_MAX

Maximum output length accepted by this variant.

const OUTPUT_BYTES_MIN: usize = CRYPTO_KDF_HKDF_SHA256_BYTES_MIN

Minimum output length accepted by this variant.

type Prk = StackByteArray<CRYPTO_KDF_HKDF_SHA256_KEYBYTES>

Default stack-allocated PRK type for this variant.

fn extract(prk: &mut [u8; 32], salt: Option<&[u8]>, ikm: &[u8])

Creates a PRK from input keying material and optional salt.

fn expand( output: &mut [u8], context: &[u8], prk: &[u8; 32], ) -> Result<(), Error>

Expands a PRK into output keying material.

fn validate_output_len(output_len: usize) -> Result<(), Error>

Validates an output length before allocating output storage.