The Local Attack: Cryptanalysis of the Authenticated Encryption Scheme ALE

Provided by: University of Luton
Topic: Security
Format: PDF
Cryptanalysis and design of authenticated encryption primitives are getting renewed interest, not least because of the CEASAR initiative. Recently, at DIAC 2012 and FSE 2013, a proposal named ALE was presented by researcher. ALE provides online single-pass encryption and authentication functionality with optional processing of associated data in a single primitive. The design borrows well tested ideas from pelican-MAC and the AES-based stream-cipher LEX. From an implementation point of view it is an attractive proposal as it both lends itself to lightweight hardware implementation and at the same time offers very high speed software implementations on platforms with AES instructions available.

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