APPLIED: [SRU][F:linux-bluefield][PATCH 0/1] UBUNTU: SAUCE: pka: Test TRNG block before making it available

[Stefan Bader]

On 22.04.21 19:17, Mahantesh Salimath wrote:
> BugLink: https://bugs.launchpad.net/bugs/1925514
> 
> SRU Justification:
> 
> [Impact]
> * TRNG block in PKA HW may not be functioning as expected,
> without carrying out tests there is no way to verify its functionality.
> These tests are carried out early in the boot stage during ATF (ARM Trusted Firmware),
> carry out these tests again while loading PKA linux driver.
> 
> [Fix]
> * Add tests to verify TRNG "pka: Test TRNG block before making it available"
> 
> [Test Case]
> * Derive random bytes from TRNG in PKA HW via OpenSSL using 'pka' engine.
> Ex:# openssl rand -engine pka 512.
> 
> [Regression Potential]
> * If the any of the tests fail then TRNG will be disabled.
> Hence random bytes cannot be derived from PKA HW.
> 
Applied to focal:linux-bluefield/master-next. Thanks.

-Stefan


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