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Primitives | Module | Comments |
|---|---|---|
User Interface | UI primitives are limited to a few set of functions. EMV processing doesn’t require sophisticated displays. However, a minimum set of functions is required to provide a feedback to the cardholder and the merchants. Most of them are not used during transaction flow excepted:
Depending on the platform, these two primitives should be managed specifically if they alter the performance. | |
gpiDisplayMessage | SPED | Display any string |
gpiDisplayMessageByID | SPED | Display a string from the string table indexed by ID |
gpiSetPollingMessage | SPED | Set the message to be display at AgnosEP’s polling time |
gpiDisplayPollingMessage | SPED | Display the message - at AgnosEP’s polling time - that has been set from gpiSetPollingMessage |
gpiBeep | SPED | Beep at a specific frequency for a specific duration (if supported by the platform) |
gpiSound | SPED | Generate a sound from a specific physical address |
gpiSleep | SPED | Sleep. This function shall by implemented with care (no thread) |
gpiSwitchLED | SPED | Switch ON/OFF a LED. |
gpiClearScreen | SPED | Clear display |
gpiGetString | SPED | Get string from the string table indexed by ID |
Platform | Platform primitives are used to support the logic of the processing flow | |
gpiMemSet | Platform | Equivalent to stdlib’s memset |
gpiStrLen | Platform | Equivalent to string’s memset |
gpiMemCpy | Platform | Equivalent to stdlib’s memcpy |
gpiGetDate | Platform | Get system’s date. Careful with time format |
gpiGetTimer | Platform | Get system’s time. Careful with time format |
gpiSetDateTime | Platform | Set system’s time. Careful with time format |
gpiStartTimer | Platform | |
gpiGetTimerTime | Platform | |
gpiGetTimerState | Platform | |
gpiFreeTimer | Platform | |
gpiGetTotalRAM | Platform | Agnos card processing uses shared RAM (no dynamic allocation) no prevent runtime issues. Static RAM is allocated from inside the GPI. This primitive returns a pointer on the toal RAM available. Similar primitives exclusively used by Agnos framework:
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HSM | ||
gpiRsaComputation | HSM | Standard EMV RSA computation primitive to support ODA |
gpiShaInit | HSM | Standard EMV SHA computation primitive to support ODA |
gpiShaUpdate | HSM | Standard EMV SHA computation primitive to support ODA |
gpiShaFinal | HSM | Standard EMV SHA computation primitive to support ODA |
gpiRandomNumber | HSM | |
gpiGetCheckSum | HSM | Provide the checksum corresponding to each L2 CT/CL kernel |
gpiGetEMVCertificate | HSM | |
gpiGetEMVCRL | HSM | |
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