A fundamental flaw in the ++AE authenticated encryption mode
Abstract
In this article, we analyse a block cipher mode of operation for authenticated encryption known as ++AE (plus-plus-AE). We show that this mode has a fundamental flaw: the scheme does not verify the most significant bit of any block in the plaintext message. This flaw can be exploited by choosing a plaintext message and then constructing multiple forged messages in which the most significant bit of certain blocks is flipped. All of these...
Paper Details
Title
A fundamental flaw in the ++AE authenticated encryption mode
Published Date
Jan 11, 2018
Volume
12
Issue
1
Pages
37 - 42
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