Hi Heinrich,

Thank you for taking interest in Mbed TLS.

We have dedicated LTS branches which are supported for at least 3 years: https://github.com/Mbed-TLS/mbedtls/blob/development/BRANCHES.md#long-time-support-branches

In terms of bugs, we list fixed bugs in the ChangeLog:

https://github.com/Mbed-TLS/mbedtls/blob/development/ChangeLog

For security vulnerabilities, we follow the TrustedFurmware.org incident response process:

https://developer.trustedfirmware.org/w/mbed-tls/security-center/

Arm used to own Mbed TLS and donated the library to TrustedFirmware.org. Arm’s involvement today is contributing engineering resources to the maintenance of the library.

The PSA Crypto API provides a portable interface to cryptographic operations on a wide range of hardware. It is a standard API specification; the cryptography part of the library (Mbed Crypto) is the reference implementation of the PSA Crypto API specification.

Regards,

Janos

From: heinrich.mueller--- via mbed-tls <mbed-tls@lists.trustedfirmware.org>
Date: Tuesday, 5 July 2022 at 12:04
To: mbed-tls@lists.trustedfirmware.org <mbed-tls@lists.trustedfirmware.org>
Subject: [mbed-tls] Looking for information regarding the long-term support of the MbedTls library.

Hello,

Currently, we are evaluating the MbedLib to be eventually used in small and midsized automotive ECUs.

* Since we have to follow the UNECE Regulation R155, R156, and ISO/SAE 21434 I need some information regarding the long-term support of the library and how the communication of bugs is organized?

* I also do not understand the involvement and responsibility of ARM company?

* Furthermore, I'm not sure if I understood the terms PSA and MbedTls and their mutual dependencies as well as the technical meaning?

I checked the web for I but did not find anything about it yet.

It would be just great if somebody can give me some hints or links to the information I am looking for.
Regards                      Heico
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