Functionsยง
- derive_
key - One-shot HKDF: extract-then-expand in a single call.
- expand
- HKDF expand step:
OKM = T(1) || T(2) || ..., whereT(i) = HMAC-Hash(PRK, T(i-1) || info || i). - extract
- HKDF extract step:
PRK = HMAC-Hash(salt, IKM).
OKM = T(1) || T(2) || ..., where
T(i) = HMAC-Hash(PRK, T(i-1) || info || i).PRK = HMAC-Hash(salt, IKM).