On Fri, 16 Jun 2017, Adrian Bunk wrote: > On Thu, Jun 15, 2017 at 08:36:48PM -0300, Henrique de Moraes Holschuh wrote: > >... > > We pretty much need Debian packages to be 100% correct in the first > > place, they are not going to be subject to lossy recovery from > > corruption (which is where lzip is supposed to be much better than xz): > > we need to replace any that is even slightly corrupt with a fully > > correct copy. > > > > So, it would make more sense to have a par2 (or create a modern version > > of it, actually) ECC layer on top of the compression layer, at which > > point we can use one of the already supported compression formats. > >... > > A digital signature is an ECC layer.
ECC as in eliptic-curve crypto? That's useless for repair. It should have been obvious by context, especially since I even mentioned "par2", but it was ECC as in Error-Correcting Code. https://en.wikipedia.org/wiki/Error-correcting_code -- Henrique Holschuh