"Joseph Chamberlain, DDS" <drjchamberlain@xxxxxxxxxxxxx> writes: > It is true that WinZip can extract .TAR files as well as many others. But > isn't it also true that if a password or key has been assigned you can only > extract the contents of the folder if you provide that password ? Password protection isn't a feature tar supports in the first place; if you wanted that you could pipe the output through an external program, just the way you do for compression. It's the unix tool philosophy. > I remember three years ago an article about how to create "encryption" on > specific folders in Windows using WinZip. When grouping files together under > one folder this folder can be compressed with a password assign that would > require anyone trying to open the folder to have to provide the password. Yes, that's a zip kind of thing though (and not a tar kind of thing). > On another note I use Adobe Acrobat regularly and will enforce what > has been said here about the security features in the PDF file. The > file has to be created by a full version of Acrobat. The viewer, on > the other hand, only needs to have Acrobat's Reader which is > free. Once he tries to open the file he will be prompted for the > password. After the file is closed if he wants to open it again he > has to provide the same password. Luckily there are utilities for linux that will rescue the contents of such archives. PDF is a tool for making information less accessible to people. -- David Dyer-Bennet, <mailto:dd-b@xxxxxxxx>, <http://www.dd-b.net/dd-b/> RKBA: <http://noguns-nomoney.com/> <http://www.dd-b.net/carry/> Pics: <http://dd-b.lighthunters.net/> <http://www.dd-b.net/dd-b/SnapshotAlbum/> Dragaera/Steven Brust: <http://dragaera.info/>
