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Getting Started Guide for Cisco Digital Media Players
78-19212-02
Connect Equipment
A
AAA
Authentication, Authorization, and Accounting.
See also EAP-FAST, EAP-MD5 server, LEAP server, and PEAP server.
access point
A device that allows wireless-equipped computers and other devices to communicate with a wired
network. Also used to expand the range of a wireless network.
C
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CCMP
AES-CCMP is a symmetric block cipher that can encrypt and decrypt data using keys of 128, 192, and
256 bits. It is based on the Advanced Encryption Standard (AES), as defined in the National Institute
of Standards and Technology's FIPS Publication 197. AES-CCMP is superior to WEP encryption and
is defined in the IEEE 802.11i standard.
See also WEP keys.
E
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EAP
Extensible Authentication Protocol. A protocol that WPA uses to authorize user access in wireless
networks. Common implementations include EAP-FAST and EAP-MD5.
EAP-FAST
EAP-FAST is a two-phase implementation of the EAP authentication protocol:
• Phase 0, provisioning. Provision client with a credential called PAC (Protected
Access Credentials).
• Phase 1, authentication. Uses the PAC to establish a tunnel with the server and authenticate the
username and password.
See also AAA and EAP.
EAP-MD5 server
Servers that use EAP to provide dynamic, session-specific wireless encryption keys, central user
administration, and authentication between clients and access points. EAP-MD5 uses MD5 hashing on
client and challenge passwords.
See also AAA and EAP.
P
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PEAP server
Protected EAP server, which combines centralized two-way authentication with dynamically generated
wireless equivalent privacy keys or WEP keys.
See also AAA, EAP-MD5 server, and WEP keys.
PSK
Pre-Shared Key.
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