I want an encrypted archive that uses the passphrase I give when encrypting and requires the passphrase again to decrypt it.
What about 7zip easy, AES-256 symmetric encryption (see below): Cheers, Ewan ***create file*** ewans@chatterbox:~/Downloads$ 7z a -p commentary.7z commentary.txt 7-Zip [64] 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=en_GB.utf8,Utf16=on,HugeFiles=on,1 CPU) Scanning Creating archive commentary.7z Enter password (will not be echoed) : Verify password (will not be echoed) : Compressing commentary.txt Everything is Ok ***bad password*** ewans@chatterbox:~/Downloads$ 7z e commentary.7z 7-Zip [64] 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=en_GB.utf8,Utf16=on,HugeFiles=on,1 CPU) Processing archive: commentary.7z Enter password (will not be echoed) : Extracting commentary.txt Data Error in encrypted file. Wrong password? Sub items Errors: 1 ***good password*** ewans@chatterbox:~/Downloads$ 7z e commentary.7z 7-Zip [64] 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=en_GB.utf8,Utf16=on,HugeFiles=on,1 CPU) Processing archive: commentary.7z Enter password (will not be echoed) : Extracting commentary.txt Everything is Ok Size: 40193 Compressed: 9539