[Cisspstudy] CCMP

[Jean, Paul]

An enhanced data encapsulation mechanism, called CTR [counter mode] with
CBC-MAC [cipherblock

chaining (CBC) with message authentication code (MAC)] Protocol (CCMP)

 

From: cisspstudy-bounces at cccure.org [mailto:cisspstudy-bounces at cccure.org]
On Behalf Of Nicolas Rotta
Sent: Wednesday, June 24, 2009 2:17 PM
To: The CISSP Study Mailing list
Subject: [Cisspstudy] CCMP

 

CCMP =  CBC-MAC with AES for integrity + AES in Counter Mode for encyption. 

Is this correct? 

This means that the message is first encrypted with AES in CBC Mode to use
the last block of ciphertext as a MAC, and then the plaintext + MAC is
encrypted with AES in Counter Mode and sent?

Nicolas Rotta

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