38
key,
meaning
that
it
dynamically
generates
a
new
key
for
each
packet.
WPA
also
includes
a
message
integrity
check
feature
to
prevent
data
packets
from
being
hampered
with.
Only
authorized
network
users
can
access
the
wireless
network.
WPA
adopts
enhanced
encryption
algorithm
over
WEP.
Cipher
Type:
Select
AES
(advanced
encryption
standard)
or
TKIP
(temporary
key
integrity
protocol).
Security
Key:
Enter
a
security
key,
which
must
be
between
8
‐
63
ASCII
characters
long.
Key
Renewal
Interval:
Specify
a
valid
time
interval
for
the
key
to
be
updated.
8.2.2
WPA2
‐
PSK
The
later
WPA2
protocol
(Wi
‐
Fi
Protected
Access
version
2)
features
compliance
with
the
full
IEEE
802.11i
standard
and
uses
Advanced
Encryption
Standard
(AES)
in
addition
to
TKIP
encryption
protocol
to
guarantee
better
security
than
that
provided
by
WEP
or
WPA.
