Hi, On 11/2/2006 12:20 PM, Alan Brown wrote: > On Wed, 1 Nov 2006, Arno Lehmann wrote: > > >>>Not if compression happens prior to encryption. :) >> >>Theoretically - yes, but I'm quite sure that encryption usually also >>compresses data. > > > If the encryption routines also contain compression routines. > > >>This is completely unverified and refers to encryption >>programs that are rather outdated by now, though... > > > Assuming you mean PGP: IIRC this made use of gzip to compress the input > before applying crypto, partly to somewhat increase entropy before hitting > the encryption routines.
Might have been PGP, right... anyway, the reasoning behind it - to create higher entropy - seems such a good idea that I assumed this was a common aproach to encryption. Seems like I was wrong, concerning some comments here :-) All things considered, it seems best to keep (or rather, to fix) the current behaviour where the user configures compression independently of encryption. Arno -- IT-Service Lehmann [EMAIL PROTECTED] Arno Lehmann http://www.its-lehmann.de ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
