22 bits
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CTRL+P. It's usually pressed when you want to print something.
Answer:
The answer is "secret key k".
Explanation:
When the sender sends the message, he/she may combine, it with the hidden key, and determines the hashing, when transmitting the information the digest is being sent, and also the message is transmitted through the connection.
when the receiver receives the message, still having the very same secret key, adding the Hidden Key then recalculating the hashing again. In this, two factors if another subsequent digest matches something, this message is sent.
- During transit, the message was certainly not changed.
- Anybody with the private key – preferably even a preferred sender sent out this letter.
