Change from Mbed TLS 3.3.0 to 3.4.0 in driver documentation.

Signed-off-by: Aditya Deshpande <aditya.deshpande@arm.com>
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Aditya Deshpande 2023-04-28 15:37:57 +01:00
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# PSA Cryptoprocessor driver development examples
As of Mbed TLS 3.3.0, the PSA Driver Interface has only been partially implemented. As a result, the deliverables for writing a driver and the method for integrating a driver with Mbed TLS will vary depending on the operation being accelerated. This document describes how to write and integrate cryptoprocessor drivers depending on which operation or driver type is being implemented.
As of Mbed TLS 3.4.0, the PSA Driver Interface has only been partially implemented. As a result, the deliverables for writing a driver and the method for integrating a driver with Mbed TLS will vary depending on the operation being accelerated. This document describes how to write and integrate cryptoprocessor drivers depending on which operation or driver type is being implemented.
The `docs/proposed/` directory contains three documents which pertain to the proposed, work-in-progress driver system. The [PSA Driver Interface](https://github.com/Mbed-TLS/mbedtls/blob/development/docs/proposed/psa-driver-interface.md) describes how drivers will interface with Mbed TLS in the future, as well as driver types, operation types, and entry points. As many key terms and concepts used in the examples in this document are defined in the PSA Driver Interface, it is recommended that developers read it prior to starting work on implementing drivers.
The PSA Driver [Developer](https://github.com/Mbed-TLS/mbedtls/blob/development/docs/proposed/psa-driver-developer-guide.md) Guide describes the deliverables for writing a driver that can be used with Mbed TLS, and the PSA Driver [Integration](https://github.com/Mbed-TLS/mbedtls/blob/development/docs/proposed/psa-driver-integration-guide.md) Guide describes how a driver can be built alongside Mbed TLS.