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13 cards from this deck
Converting data to coded form so it can't be understood
Converting encrypted data back to original form using a key
Passwords and financial details
Scrambles it into unreadable format
Shifts each letter by certain number of places in alphabet
Becomes 'D'
Same key used for both encrypting and decrypting
Faster but less secure if key is intercepted
Uses two keys: public key and private key
Public key encrypts, private key decrypts
Only private key holder can decrypt the data
WEP older & less secure; WPA/WPA2 offer stronger encryption
The correct key
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