* Encrypt the message generating a new iv (generated by the client).

Real Message: "The life is good!"
Encrypted Message: #ka~
Iv: Xt

* Decrypt the message.

Decrypted Message: "The life is good!"



* Encrypt the message using an especific iv (sent by client).

Real Message: "I feel nice!"
Encrypted Message: >b/V)
Iv: Xt

* Decrypt the message with the already known iv.

Decrypted Message: "I feel nice!"