# decrypt
cat <encryptedfile> | openssl rsautl      -decrypt      -inkey ~/.ssh/id_rsa
# encrypt
cat <filetoencrypt>  | openssl rsautl     -encrypt     -pubin -inkey ~/.ssh/id_rsa > <destinationfile>
# to base64
openssl enc -base64 -in fartpass.txt -out fart.base64
# to encrypt
openssl enc -d -base64 -in fart.base64 -out myfile.decrypt