$ tar czvf - file | openssl des3 -salt -k password -out /path/to/file.tar.gz
$ openssl des3 -d -k password -salt -in /path/to/file.tar.gz | tar xvzf -
$ zip -P password secure.zip file
$ zip -P password secure.zip file1 file2 file3
$ unzip -P password secure.zip