Shell functions to easily encrypt and decrypt files using AES256-CBC with openssl.

enc.sh

# Add `source enc.sh` to your .bashrc, .profile or .zshrc to include these functions.
#
# For encryption, type:
# $ enc myfile
# 
# For decryption, type:
# $ dec myfile.enc

function enc() {
    if [ $# -eq 0 ]; then
        echo "example: "
        echo "   enc myfile.tar.gz"
    else
        openssl enc -aes-256-cbc -pbkdf2 -e -in ${1} -out ${1}.enc 
    fi
}

function dec() {
    if [ $# -eq 0 ]; then
        echo "example: "
        echo "   dec myfile.tar.gz.enc"
    else
        filename=${1}
        filename_noext=${filename%.*}
        extension=${filename##*.}
        openssl enc -aes-256-cbc -pbkdf2 -d -in ${filename} -out ${filename_noext}
    fi
}