Quoting Aleksandar Milivojevic <alex at milivojevic.org>: > Unless something changed in recent years, "encryption" in ZIP files is > trivial to break. As alternative to ZIP, you can always "tar xzf - > infile1 infile2 infile3 | gpg -e -r blah at foobar.com > > outfile.tar.gz.gpg" and have both decent comperssion and decent > encryption. Ooops. Typo. Should be "tar czf - ..." of course (which is shorthand for tar cf - | gzip -c" if your tar doesn't have "z" option).