Re: Permissibility of P-434 based elliptic curve in Fedora

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On Sun, Apr 30, 2023 at 7:01 AM Fabio Valentini <decathorpe@xxxxxxxxx> wrote:
>
> On Fri, Nov 4, 2022 at 4:25 PM Fabio Valentini <decathorpe@xxxxxxxxx> wrote:
> >
> > Hello,
> >
> > During package review of the fiat-crypto Rust library, I noticed that
> > it contains an implementation of an elliptic curve (p434) which isn't
> > mentioned on the "good" list here:
> > https://fedoraproject.org/wiki/Legal:ECC
> >
> > I also can't find any references or sources for this curve (search
> > results for P-434, p434, and curve434 all come up empty). The only
> > mention of "p434" with respect to cryptography is in this Microsoft
> > project: https://github.com/microsoft/PQCrypto-SIDH
> >
> > And looking at the source code, I'm not even sure whether the P-434
> > curve in fiat-crypto is at all related to SIKEp434 / SIDHp434 schemes
> > that are mentioned there, other than the fact that they happen to be
> > based on the same prime number (2^216 * 3^137 - 1).
> >
> > Given that there's no mention of any elliptic curves that use p434 on
> > the internet (that I could find), is it OK to ship it in a Fedora
> > package, or do we need to remove it from the sources?
> >
> > ref. https://bugzilla.redhat.com/show_bug.cgi?id=2005536
>
> The linked package review is still blocked by this issue six months later :(
> Any idea what I can do to move this forward?

Unfortunately I am pretty sure it won't be possible to get a
resolution on this any time soon.

Richard
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