#11690: fix AES equation systems when star=True
------------------------------+---------------------------------------------
Reporter: malb | Owner: mvngu
Type: defect | Status: positive_review
Priority: major | Milestone: sage-4.7.2
Component: cryptography | Keywords:
Work_issues: | Upstream: N/A
Reviewer: David Montminy | Author: Martin Albrecht
Merged: | Dependencies:
------------------------------+---------------------------------------------
Changes (by leif):
* reviewer: => David Montminy
Old description:
> David Montminy reported that polynomial system generation does not
> properly work with `star=True`, e.g.
>
> {{{
> sage: sr = mq.sr.SR(10,4,4,8,star=True,gf2=True,polybori=True)
> sage: F,s = sr.polynomial_system()
> sage: F2 = F.subs(s)
> }}}
> would result in an inconsistent system! It's quite puzzling that he's the
> first one to run into (who reports it anyway).
New description:
David Montminy reported that polynomial system generation does not
properly work with `star=True`, e.g.
{{{
sage: sr = mq.sr.SR(10,4,4,8,star=True,gf2=True,polybori=True)
sage: F,s = sr.polynomial_system()
sage: F2 = F.subs(s)
}}}
would result in an inconsistent system! It's quite puzzling that he's the
first one to run into (who reports it anyway).
----
Apply [attachment:sr_aes_fix.patch] to the Sage library.
--
Comment:
David, Martin, hope that's correct.
The [http://trac.sagemath.org/sage_trac/#AccountNamesMappedtoRealNames
trac wiki page] still lacks an entry for him.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11690#comment:8>
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