File Encryption
openssl enc -aes256 -iter 100000 -pbkdf2 -in /etc/passwd -out passwd.encopenssl enc -d -aes256 -iter 100000 -pbkdf2 -in passwd.enc -out passwdLast updated
openssl enc -aes256 -iter 100000 -pbkdf2 -in /etc/passwd -out passwd.encopenssl enc -d -aes256 -iter 100000 -pbkdf2 -in passwd.enc -out passwdLast updated