On Thu, May 6, 2010 at 2:06 PM, Linas <linas...@ymail.com> wrote: > > In fact, for tar.gz it is possible since gzip ignores trailing content > after a nul, so > the signature could be appended there without interfering with non-aware > utils. > That possibility was used to create illegal primes on the 09 F9 11... > "controversy". > See http://en.wikipedia.org/wiki/Illegal_prime > > I didn't mention it because we are now using xz, and it may not support > that. > Is anyone here familiar with its format? >
I would avoid using hacks that depend on compression format. Better stay flexible and compatible.