PSS code question

Simon Josefsson simon at
Thu Jun 9 11:08:08 CEST 2011

Daiki Ueno <ueno at> writes:

>> I'd also like to see a way to test at least the verification of a PSS
>> message against a known test vector.  Are there any real world
>> application of PSS or even test vectors?
> I used the test vectors Simon mentioned, manually comparing the step
> results with pss-int.txt.  Maybe good to have selftests using the test
> vector, though I guess it is not that easy since both PSS and OAEP use
> random bits during the computation.

Would it be possible to specify the random bits to use to gcry_pk_sign
in the sexp somehow?  Is it a fixed size random buffer?  It would be
useful for self testing.


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