encryption

encryption

1. how do you encrypt a message?

   • you encrypt a message by creating a key.

2. what does encryption do?

   • encryption jumbles something up so you dont know what it is.

3. how do you decrypt a message?

   • you decrypt a message using a key.

4. when do we use encryption?

   • we used encryption in the world wars.

5. anti virus software

   • the anti virus system helps stop viruses

6. fire wall

   • firewall is a security system which stops people getting onto your computer.