Value,Name,Authenticated Encryption,Reference
0,Reserved,,[RFC8052]
1,NONE,,[RFC8052]
2,AES-CBC-128,N,[RFC8052]
3,AES-CBC-256,N,[RFC8052]
4,AES-GCM-128,Y,[RFC8052]
5,AES-GCM-256,Y,[RFC8052]
6-61439,Unassigned,,
61440-65535,Reserved for Private Use,,[RFC8052]