A profiling adversary is an adversary which aims to classify messages into pre-defined profiles and thus gain useful information regarding the sender or receiver of such messages. Usual chosen-plaintext secure encryption schemes are capable of securing information from pro-filers, but these schemes provide more security than required for this purpose. ...Download Now
A block-cipher mode of operation is a specific way to use a block-cipher to en-crypt messages longer than the block-length of the block-cipher. HCTR was proposed by the researchers. It is a mode of operation which provides a tweakable strong pseudorandom per-mutation. Though HCTR is quite an efficient mode, the ...Download Now
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