Initializes the AEGIS-128x2 MAC state with the provided key and nonce.
The key (must be aegis128x2_KEYBYTES long).
The nonce (must be aegis128x2_NPUBBYTES long).
AssertError if key or nonce lengths are invalid.
See Implementation
Initializes the AEGIS-128x2 MAC state with the provided key and nonce.