Prepare o texto de entrada:
echo "We're blown. Run" >input.txt
Codificar:
openssl aes-256-cbc -nosalt -e \
-in input.txt -out output.txt \
-K '2222233333232323' -iv '5a04ec902686fb05a6b7a338b6e07760'
Decodificar para stdout texto original:
openssl aes-256-cbc -nosalt -d \
-in output.txt \
-K '2222233333232323' -iv '5a04ec902686fb05a6b7a338b6e07760'