Struct HkdfSha256 

pub struct HkdfSha256;

HKDF-SHA256 派生器（无状态，可复用）。

Implementations

impl HkdfSha256

pub const IDENTIFIER: &'static str = "hkdf-sha256"

pub fn new() -> Self

Trait Implementations

impl Clone for HkdfSha256

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for HkdfSha256

impl Debug for HkdfSha256

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

Formats the value using the given formatter.

impl Default for HkdfSha256

fn default() -> Self

Returns the “default value” for a type.

impl Identified for HkdfSha256

fn identifier(&self) -> &str

impl KeyDerivation for HkdfSha256

fn derive( &self, ikm: &[u8], salt: &[u8], length: usize, info: &[u8], ) -> Result<Vec<u8>>

salt 为空时按 RFC 5869 使用全零盐；info 可为空。