[Resource Topic] 2003/070: A Critique of CCM

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A Critique of CCM

Authors: P. Rogaway, D. Wagner


CCM is a conventional authenticated-encryption scheme obtained from a
128-bit block cipher. The mechanism has been adopted as the mandatory
encryption algorithm in an IEEE 802.11 draft standard [15], and its use
has been proposed more broadly [16,17]. In this note we point out a
number of limitations of CCM. A related note provides an alternative
to CCM [5].

ePrint: https://eprint.iacr.org/2003/070

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