HP Deskjet 6840 Printer series - Types of encryption

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the password can decode the data.
Types of encryption
The printer supports four types of encryption. Each type of encryption has its

benefits and limitations.

Encryption type Description

Benefits

Limitations

Open System

Devices on a

network do not

encrypt data.

Least complicated

strategy.

Provides no

protection against

eavesdroppers.

HP Deskjet 6800 series printer

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Encryption type Description

Benefits

Limitations

WEP

encryption

Devices on a

network share a

password, called a

WEP key to encode

and decode data.

Simplest strategy

that provides

encryption.

All devices must

have the key.
The WEP key does

not change

automatically.
WEP encryption

provides less

security than both

AES or TKIP.

AES

Advanced

Encryption Standard

(AES) is a U.S.

government

sponsored

encryption method

that uses a complex

algorithm called

Rijndael.
AES uses

encryption keys to

encode data. AES

automatically

changes the

encryption keys

after a certain time

interval, thus making

the wireless network

less vulnerable to

eavesdropping.

Since the

encryption key

changes

automatically, the

data is more difficult

for eavesdroppers

to decode.

All devices must

have the key.

TKIP

Temporal Key

Integrity Protocol

(TKIP) uses

encryption keys to

encode data. TKIP

automatically

changes the

encryption keys

after a certain time

interval, thus making

the wireless network

less vulnerable to

eavesdropping.

Since the

encryption key

changes

automatically, the

data is more difficult

for eavesdroppers

to decode.

All devices must

have the key.

HP Deskjet 6800 series printer

28