Attack Type Number of Keyed or Complexity AES Rounds Keyless Data Time Memory Yuan

Abstract

The ALRED family of Message Authentication Codes (MACs) is based on three principles: Using a keyless block cipher in CBC mode to process the message, choosing AES-128 as this cipher, and reducing the effective number of rounds to 4 in order to speed up the processing. In this paper we show that each one of these principles creates significant weaknesses… (More)

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