GSM Security Glossary

A3	Authentication Algorithm
A5	Ciphering Algorithm
A8	Ciphering Key Generating Algorithm
ADMF	Administrative Function
AoC	Advice of Charge
AUC	Authentication Center
AKA	Authentication and Key Agreement
AN	Access Network
BSC	Base Station Controller
BSS	Base Station System
BSSAP	Base Station Subsystem Application Part
BTS	Base Tranceiver Station
CAMEL	Customized Application for Mobile Enhanced Logic
CBC	Cipher Block Chaining
CC	Content of Communication
CCBS	Customer Care and Billing System
CDMA	CDMA Division Multiple Access
CDR	Call Data Record
CEIR	Central Equipment Identity Register
CEPT	European Conference of Post and Telecommunication Administrations
CFB	Cipher Feedback
CGI	Cell Global Identity
CKSN	Cipher Key Sequence Number
CMEA	Cellular Message Encryption Algorithm
CUG	Closed User Group
DIMSI	Dual International Mobile Subscriber Identity
DES	Data Encryption Standard
DSA	Digital Signature Algorithm
ECB	Electronic Code Book
EIR	Equipment Identity Register
EDGE	Enhanced Data GSM Environment
EIR	Equipment Identity Register
EMS	Enhanced Messaging Service
ETSI	European Telecommunications Standards Institute
GERAN	GSM EDGE Radio Access Network
GIWU	GSM Interworking Unit
GMSC	Gateway Mobile Services Switching Center
GMSK	Gaussian Minimum Shift Keying
GPRS	General Packet Radio System
GSM	Global System for Mobile communication
GTT	Global Title Translation
HCSD	High-Speed Circuit-Switched Data
HE	Home Environment
HLR	Home Location Register
IMEI	International Mobile Equipment Identifier
IMSI	International Mobile Subscriber Identity
IN	Intelligent Network
INAP	Intelligent Network Application Part
IRI	Intercept Related Information
ISAAC	Internet Security, Applications, Authentication and Cryptography group at the University of California, Berkeley
Kc	Ciphering Key
Ki	Individual Subscriber Authentication Key
LA	Location Area
LAI	Location Area Identity
LEA	Law Enforcement Agency
LFSR	Linear Feedback Shift Register
LI	Lawful Interception
LPC	Linear Predictive Coding
MAP	Mobile Application Part
MML	Man-Machine Language
MMS	Mobile Multimedia Services
MNC	Mobile Network Code
MoU	Memorandum of Understanding
MSC	Mobile Services Switching Center
MS	Mobile Station
MSE	Mobile Station Equipment
MSIN	Mobile Subscriber Identity Number
MSISDN	Mobile Subscriber ISDN
MSN	Mobile Service Node
MSRN	Mobile Station Roaming Number
MTP	Message Transfer Part
MXE	Message Center
MExE	Mobile Execution Environment
NIST	National Institute of Standards and Technology
NSS	Network and Switching Subsystem
OMC	Operations and Maintenance Center
OSS	Operation and Support System
OTA	Over The Air
PCS	Personal Communications Service
PDP	Packet Data Protocol
PKCS	Public Key Cryptography System
PLMN	Public Land Mobile Network
PSTN	Public Switched Telephone Network
RFM	Remote Files Management
RSA	Rivest, Shamir, Adleman
SAGE	Security Algorithms Group of Experts
SAS	Security Accreditation Scheme
SCI	Subscriber Controlled Input
SHA	Secure Hash Algorithm
SIM	Subscriber Identification Module
SMS	Short Message Service
SMSC	Short Message Service Center
SN	Serving Network
SO	Service Order
SRES	Signed Response
SS	Switching System
SS7	Signaling System 7
TCAP	Transaction Capabilities Application Part
TDMA	Time Division Multiple Access
TMSI	Temporary Mobile Subscriber Identity
UMTS	Universal Mobile Telecommunications Service
USIM	User Services Identity Module
VLR	Visitor Location Register
VMS	Voice Mail Service / Voice Messaging Service
WAP	Wireless Application Protocol