Glossary
| AS-PIN | AS/ANSI formatted PIN Block | ||
|---|---|---|---|
| BDK | Base Derivation Key | ||
| CVV | Card Verification Value (Visa) | ||
| DATA | Data to be encrypted etc. Always a multiple of 8 bytes | ||
| DES | Data Encryption Standard | ||
| DPK | Data Protect Key. Usually a random generated session key (KS) | ||
| DUKPT | Derived Unique Key Per Transaction | ||
EFT | Electronic Funds Transfer | ||
EFT Client | A specialized EFT payments application running on a payment device | ||
| IPEK | Initial PIN Encryption Key | ||
| ECB | Electronic Code Book | ||
| Function Code | The function code is always the first field in all response and request messages. This | ||
GUI | Graphical User Interface | ||
HAL | Hardware Abstraction Layer | ||
hEFT | headstart EFT simplification layer for 3rd party EFT Client applications/devices | ||
| HMAC-SHA-1 | Message authentication algorithm using SHA-1 hash. Reference RFC 2104. | ||
| HSM | Hardware Security Module | ||
iOS | The iPhone operating system | ||
ePOS | Electronic Point Of Sale software application | JSON | JavaScript Object Notation |
| KCV | Key Check Value. | ||
| KEK | Key Exchange Key (MasterCard). | ||
| KGK | Key Generation Key | KHTHost Transfer Key | |
| KIR | Receive Interchange Key (used for passing encrypted keys). | ||
| KIS/KIR | Interchange Send and Receive Keys | ||
| KM | The domain master key (used for encrypting keys for storage on the host). | ||
| KM1 | Used for PPK functions, | ||
| KM2 | Used for MPK functions, | ||
| KTK | Key Transport Key | ||
| KTM | Terminal Master Key. | ||
mPED | A mobile PED | ||
OS | Operating System | ||
| PAN | The customer Primary Account Number. | ||
| PIN | The Personal Id Number. It may be formatted in several ways depending on the | ||
| PPK | PIN Protect Key | ||
| PVK | The PIN Verification Key may be used for PIN protection as well as for PIN | ||
PCI | Payment Card Industry, regulations exposed on the PCI web site | ||
PED | PIN Entry Device, a hardware device accepting credit cards and verifying PIN validity | ||
POS | Point Of Sale application/device | ||
| PVKI | PIN Verification Key Indicator (Visa). | ||
| PVN | PIN Verification Number | ||
| PVS | PIN Verification Service (Visa). | ||
| PVV | PIN Verification Value (Visa). | ||
| RC | Return Code The second field in all response messages. If this field is non-zero then an error is | ||
| RKI | Remote Key Injection | ||
| RND | Random Number | ||
| SECURE KEY BLOCK | Structured block based on a collaborative industry standard (e.g. TR-31, GISKE) to | ||
| SK | Secret Key | ||
| SMID | Security Management Information Data | ||
| SSK | Shared Secret Key | ||
| TDES | Also referred to as 3DES, a mode of the DES encryption algorithm that encrypts data | ||
| TK | Terminal Key | TLS | Stands for Transport Layer Security, a 3-D Secure protocol, and a successor to Secure Sockets Layer (SSL). TLS is a connection-oriented protocol that provides a secure channel between a client and a server. TLS supports confidentiality, data integrity, and client/server authentication. The Mark II functions include support for TLS as required for the transport of 3-D Secure messages and for establishing a secure channel over which host can commu- nicate with Luna EFT. |
| TRSM | Tamper Resistant Security Module |
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