Function hkdf

hkdf(
    ikm: Uint8Array,
    salt: Uint8Array,
    info: Uint8Array,
    length: number,
): Uint8Array
HKDF-SHA256 wrapper for me2em protocol
Parameters
- ikm: Uint8Array
  Input key material
- salt: Uint8Array
  Salt (can be empty Uint8Array)
- info: Uint8Array
  Context info
- length: number
  Output length in bytes
Returns Uint8Array
Derived key as Uint8Array
- Defined in packages/core/src/crypto/hkdf.ts:15