This is all fine and good but how would you fix the test such that it does
not fail randomly. PR anyone?

Gary

On Thu, Aug 6, 2020 at 10:54 AM Matt Sicker <boa...@gmail.com> wrote:

> The ECC stuff I mostly learned about from various Bernstein papers
> like this one: https://cr.yp.to/newelliptic/nistecc-20160106.pdf
>
> On Thu, 6 Aug 2020 at 09:50, Rob Tompkins <chtom...@gmail.com> wrote:
> >
> >
> >
> > > On Aug 6, 2020, at 10:42 AM, Matt Sicker <boa...@gmail.com> wrote:
> > >
> > > Well, for testing RNGs, I can understand using property testing, yes.
> > > It would also be useful for testing fuzzing scenarios like making sure
> > > the GCM tag is invalid for any random input data (giving a near zero
> > > probability of valid data) or that an elliptic curve implementation
> > > doesn't leak out information about points outside the curve or respond
> > > to invalid inputs improperly or things like that.
> >
> > +1 - the elliptic curve stuff I’ll have to defer to you on as I’m less a
> number theorist and more of a logician.
> >
> > -Rob
> >
> > >
> > > On Thu, 6 Aug 2020 at 09:37, Rob Tompkins <chtom...@gmail.com> wrote:
> > >>
> > >>
> > >>
> > >>> On Aug 6, 2020, at 10:33 AM, Matt Sicker <boa...@gmail.com> wrote:
> > >>>
> > >>> Now I hope we don't have unit tests depending on non-static state for
> > >>> its random number generator! ;)
> > >>
> > >> We actually do have a considerable number of those in our projects
> where we use probabilistic epsilons on the output. See commons-rng. Note,
> Gilles is quite good at writing such tests.
> > >>
> > >> -Rob
> > >>
> > >>> I'd expect a crypto library's test
> > >>> suites to include several hard-coded known-good and known-bad
> > >>> ciphertexts with static keys/IVs similar to the test cases presented
> > >>> in their RFCs (especially since said tests are typically small enough
> > >>> to copy/paste the binary data fairly easily).
> > >>>
> > >>> On Thu, 6 Aug 2020 at 08:19, Gary Gregory <garydgreg...@gmail.com>
> wrote:
> > >>>>
> > >>>> On Thu, Aug 6, 2020 at 8:31 AM Alex Remily <alex.rem...@gmail.com>
> wrote:
> > >>>>
> > >>>>> No problem.  I'll do it when I get home tonight.
> > >>>>>
> > >>>>
> > >>>> Thanks Alex!
> > >>>>
> > >>>> Gary
> > >>>>
> > >>>>
> > >>>>>
> > >>>>> On Thu, Aug 6, 2020, 8:25 AM Gary Gregory <garydgreg...@gmail.com>
> wrote:
> > >>>>>
> > >>>>>> Hi Alex,
> > >>>>>>
> > >>>>>> Would you mind creating that ticket with that info?
> > >>>>>>
> > >>>>>> Thank you,
> > >>>>>> Gary
> > >>>>>>
> > >>>>>> On Thu, Aug 6, 2020, 08:10 Alex Remily <alex.rem...@gmail.com>
> wrote:
> > >>>>>>
> > >>>>>>> That is an intermittent issue that I haven't been able to
> reliably
> > >>>>>>> reproduce.  As I recall, the test that's failing is supposed to
> fail,
> > >>>>> but
> > >>>>>>> in a different way.  I think it's supposed to fail because of a
> short
> > >>>>>>> buffer but occasionally fails because of an internal error, and
> when
> > >>>>> that
> > >>>>>>> happens this test fails.  I don't know when it was introduced.
> We
> > >>>>> should
> > >>>>>>> probably document it in jira and or realese notes.
> > >>>>>>>
> > >>>>>>> On Wed, Aug 5, 2020, 10:53 PM Gary Gregory <
> garydgreg...@gmail.com>
> > >>>>>> wrote:
> > >>>>>>>
> > >>>>>>>> Hi All:
> > >>>>>>>>
> > >>>>>>>> I am seeing what may be a random AEADBadTagException in
> > >>>>> GcmCipherTest?
> > >>>>>>>>
> > >>>>>>>> For example:
> > >>>>>>>>
> > >>>>>>>> [ERROR]
> > >>>>>>>
> testGcmTamperedData(org.apache.commons.crypto.cipher.GcmCipherTest)
> > >>>>>>>> Time elapsed: 0.015 s  <<< ERROR!
> > >>>>>>>> 881java.lang.Exception: Unexpected exception,
> > >>>>>>>> expected<javax.crypto.AEADBadTagException> but
> > >>>>>>>> was<java.lang.InternalError>
> > >>>>>>>> 882     at
> > >>>>>>>>
> > >>>>>>>
> > >>>>>>
> > >>>>>
> org.apache.commons.crypto.cipher.GcmCipherTest.testGcmTamperedData(GcmCipherTest.java:224)
> > >>>>>>>> 883
> > >>>>>>>> 884
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>> Any thoughts?
> > >>>>>>>>
> > >>>>>>>> The above is from
> > >>>>>>>>
> https://travis-ci.org/github/apache/commons-crypto/jobs/715348986
> > >>>>>>>>
> > >>>>>>>> Gary
> > >>>>>>>>
> > >>>>>>>
> > >>>>>>
> > >>>>>
> > >>>
> > >>>
> > >>>
> > >>> --
> > >>> Matt Sicker <boa...@gmail.com>
> > >>>
> > >>> ---------------------------------------------------------------------
> > >>> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org
> > >>> For additional commands, e-mail: dev-h...@commons.apache.org
> > >>>
> > >>
> > >>
> > >> ---------------------------------------------------------------------
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> > >> For additional commands, e-mail: dev-h...@commons.apache.org
> > >>
> > >
> > >
> > > --
> > > Matt Sicker <boa...@gmail.com>
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org
> > > For additional commands, e-mail: dev-h...@commons.apache.org
> > >
> >
> >
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> >
>
>
> --
> Matt Sicker <boa...@gmail.com>
>
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