Query regarding openssl-3.0.0 ecdsa self tests

Tomas Mraz tomas at openssl.org
Mon Aug 30 09:39:57 UTC 2021


Hello,

your analysis is right. It does only pairwise consistency test as the
KAT is impossible to do for regular DSA and ECDSA due to random nonce
being input of the signature algorithm and thus the signature always
changes.

Tomas

On Fri, 2021-08-27 at 22:47 +0530, Nagarjun J wrote:
> Hi,
> 
> Does openssl-3.0.0 really does ecdsa KAT ? The post test logs says
> "ECDSA KAT :PASS. But when i debuged the code it actually doing ECDSA
> pairwise consistency test.
> 
> Thanks,
> Nagarjun

-- 
Tomáš Mráz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb
[You'll know whether the road is wrong if you carefully listen to your
conscience.]




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