Measuring Confidentiality of Selectively Encrypted Messages Using Guesswork

• In this paper, we start to investigate the security implications of selective encryption. We do this by using the measure guesswork, which gives us the expected number of guesses that an attacker performs in an optimal brute force attack to reveal an encrypted message. The characteristics of the proposed measure are only investigated for zero-order languages, and we give some basic initial results. The work is in progress and later papers will examine higher order of languages.

Ämnesord

NATURVETENSKAP  -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)

NATURAL SCIENCES  -- Computer and Information Sciences -- Computer Sciences (hsv//eng)

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