Value,AEAD,Nk,Nn,Nt,Reference
0x0000,Reserved,N/A,N/A,N/A,[RFC9180]
0x0001,AES-128-GCM,16,12,16,[GCM]
0x0002,AES-256-GCM,32,12,16,[GCM]
0x0003,ChaCha20Poly1305,32,12,16,[RFC8439]
0x0004-0xFFFE,Unassigned,,,,
0xFFFF,Export-only,N/A,N/A,N/A,[RFC9180]