A simple method to keep encrypted directories in OSX. A super lightweight alternative to something like TrueCrypt.

dircrypt.sh

#!/usr/bin/env bash

# dircrypt.sh
# Thomas Schreiber <[email protected]>
# Uses symmetric encryption to encrypt and decrypt directories quickly.
# A simple method to keep encrypted directories on OSX. A super lightweight
# alternative to something like TrueCrypt.

# Usage:
#   To Encrypt:
#     $ ./dircrypt.sh myDirectory
#   To Decrypt:
#     $ ./dircrypt.sh myDirectory.gpg


if [[ $1 == *.gpg ]]
then
  FILEHANDLE=`echo $1| cut -d'.' -f 1`
  gpg --output ${FILEHANDLE}.tar.gz --decrypt ${FILEHANDLE}.gpg
  tar -zxvf ${FILEHANDLE}.tar.gz
  srm -rf ${FILEHANDLE}.gpg
  srm -rf ${FILEHANDLE}.tar.gz
else
  FILEHANDLE=`echo $1 | rev | cut -d'/' -f 1 | rev`
  tar -zcvf $1.tar.gz ${FILEHANDLE}
  gpg --output ${FILEHANDLE}.gpg --symmetric ${FILEHANDLE}.tar.gz
  srm -rf $1.tar.gz
  srm -rf $1
fi