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_GET_CHECKSUM_FROM_GPI_

The Compilation option _GET_CHECKSUM_FROM_GPI_ allows to control the origin of the Kernel Checksum Computation

The Checksum must be provided along the Software Version of each Kernel matching the LOA of the kernel Certification

When this Compilation Option is present then the Kernel calls the GPI Function gpiGetChecksum() to get the Kernel Checksum value from the GPI

Otherwise, it is the responsibility of the Level 3 Application to get the Checksum Value.

_DATA_EXCHANGE_

The Compilation Option _DATA_EXCHANGE_ is required whenever a Kernel requires Data exchanges with the Terminal (see Section 5.9.2 of EMVCo Book A v2.10)

The Data Exchange mechanism may be used for:

  • Checking Exception File

  • Requesting Missing Data

  • Processing Data Storage Information

  • …

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