let inner: [UInt8]
s21MessageAuthentication0aB3KeyV5innerSays5UInt8VGvp
78E2W
import MessageAuthentication
@frozen struct MessageAuthenticationKey<Hash> where Hash : MessageAuthenticationHash
A precomputed message authentication key, which can be used to compute hash-based message authentication codes (HMACs).
@frozen struct UInt8
An 8-bit unsigned integer value type.
init(_ key: some Collection<UInt8>)
Creates a message authentication key from the given base key.
let outer: [UInt8]