General Abbreviations

ATKS

:

 Australian Transaction Key Scheme.

ATM

:

 Automated Teller Machine.

AWK

:

 Acquirer Working Key.

BDK

:

 Base Derivation Key.

CVK

:

 Card Verification Key.

CVV

:

 Card Verification Value.

DCE

:

 Data Communications Equipment.

DEA

:

 Data Encryption Algorithm, used by DES.

DES

:

 Data Encryption Standard.

DTE

:

 Data Terminal Equipment.

DUKPT

:

 Derived Unique Key per Transaction.

EFTPOS

:

 Electronic Funds Transfer at Point of Sale.

FPGA

:

 Field Programmable Gate Array

IV

:

 Initialisation Vector

IWK

:

 Issuer Working Key.

KCV

:

 Key Check Value.

LMK

:

 Local Master Key.

MAC

:

 Message Authentication Code.

OAEP

:

 Optimal Asymmetric Encryption Padding.

OWF

:

 One-Way Function.

PAN

:

 Primary Account Number.

PEK

:

 PIN Encrypting Key.

PIN

:

 Personal Identification Number.

PVK

:

 PIN Verification Key.

PVKI

:

 PIN Verification Key Indicator.

PVV

:

 PIN Verification Value.

RAM

:

 Random Access Memory.

RSA

:

 Rivest, Shamir and Adleman public key scheme.

RTC

:

 Real Time Clock

RTKS

:

 Racal Transaction Key Scheme.

TAK

:

 Terminal Authentication Key.

TDK

:

 Terminal Derivation Key.

TCP

:

 Transport Control Protocol.

TEK

:

 Terminal Encryption Key.

TMK

:

 Terminal Master Key.

TPK

:

 Terminal PIN Key.

WK

:

 Working Key.

WWK

:

 Watchword Key.

X'NN

:

 A 2-digit hexadecimal value, often used to represent a 1-byte value.

ZMK

:

 Zone Master Key.

ZPK

:

 Zone PIN Key.

ZTK

:

 Zone Transport Key.

ZAK

:

 Zone Authentication Key.

ZCMK

:

 Zone Control Master Key.

ZEK

:

 Zone Encryption Key.