7.7.7 Authentication Triplet
29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS
An Authentication triplet consists of a Random string (RAND), a Signed Response (SRES) and a ciphering Key (Kc) (see 3GPP TS 43.020 [9]).
Figure 15: Authentication Triplet Information Element