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[citation needed] Additionally, special "chaff layers" are filled with random data in order to have plausible deniability of the existence of real layers and their encryption keys. [citation needed] The user can store decoy files on one or more layers while denying the existence of others, claiming that the rest of space is taken up by chaff ...
Plausible deniability is the ability of people, typically senior officials in a formal or informal chain of command, to deny knowledge and/or responsibility for actions committed by or on behalf of members of their organizational hierarchy.
In cryptography, deniable authentication refers to message authentication between a set of participants where the participants themselves can be confident in the authenticity of the messages, but it cannot be proved to a third party after the event.
As with its predecessor TrueCrypt, VeraCrypt supports plausible deniability [46] by allowing a single "hidden volume" to be created within another volume. [47] The Windows versions of VeraCrypt can create and run a hidden encrypted operating system whose existence may be denied. [48]
The most common definitions used in cryptography are indistinguishability under chosen-plaintext attack (abbreviated IND-CPA), indistinguishability under (non-adaptive) chosen-ciphertext attack (IND-CCA1), and indistinguishability under adaptive chosen-ciphertext attack (IND-CCA2). Security under either of the latter definition implies security ...
Plausible deniability [ edit ] Some disk encryption systems, such as VeraCrypt , CipherShed (active open source forks of the discontinued TrueCrypt project), BestCrypt (proprietary trialware), offer levels of plausible deniability , which might be useful if a user is compelled to reveal the password of an encrypted volume.
Cryptee allows users to hide (ghost) folders for plausible deniability also as known as deniable encryption in the field of cryptography and steganography, and ensure privacy even under coercion. [5] [10] [11] [12] [13]
Or, for communication, the hiding of important data (such as a telephone number) in apparently innocuous data (an MP3 music file). An advantage of steganography is plausible deniability, that is, unless one can prove the data is there (which is usually not easy), it is deniable that the file contains any.