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

Real Message: "The life is good!"
Encrypted Message: ޟ��j�7�ج�"�
Iv: [�ʝ�L3

* 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: ��z�$���@�
Iv: [�ʝ�L3

* Decrypt the message with the already known iv.

Decrypted Message: "I feel nice!"

---