Skip to main content

Table 1 Symbols used in UMTS-AKA-protocol/UMTS-IMS-AKA-protocol.

From: The UMTS-AKA Protocols for Intelligent Transportation Systems

MS, SN, HE Mobile Station, Service Network, Home Environment
VLR,HLR Visitor Location Register, Home Location Register
AuC, SQN Authentication Centre, Sequence Number
USIM Universal Subscriber Identity Module
IMSI International Mobile Subscriber Identity
TMSI Temporary Mobile Subscriber Identity
AV, AUTN Authentication Vector, Authentication Token
K Secret Key which share between USIM and AuC
MAC Messages Authentication Code
AMF Authentication Management Field
Rand, RES Random Number, User Response
XRES Expected User Response
CK, IK, AK Cipher Key, Integer Key, Authentication Key
f1 f5 Authentication and Key Generation Function
UE User Equipment
IMPI, IMPU IP Multimedia Private Identity , IP Multimedia Public Identity
P-CSCF Proxy Call Service Control Function
I-CSCF Intergating Call Service Control Function
S-CSCF Service Call Service Control Function
P-CSCF Proxy Call Service Control Function