hkdf library

Functions

b64(Uint8List b) → String

deb64(String s) → Uint8List

hkdfSha512({required Uint8List ikm, Uint8List? salt, Uint8List? info, int length = 32}) → Uint8List

HKDF-SHA512: derive length bytes from ikm with optional salt and info.

utf8u(String s) → Uint8List

tiny helpers