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2016

Strong Continuous Non-malleable Encoding Schemes with Tamper-Detection

5 years 6 months ago
Strong Continuous Non-malleable Encoding Schemes with Tamper-Detection
Abstract—A non-malleable encoding scheme is a keyless encoding scheme which is resilient to tampering attacks. Such a scheme is said to be continuously secure if the scheme is resilient to attacks containing more than one tampering procedure. Also, such a scheme is said to have tamper-detection property if any kind of tampering attack is detected. In [S. Faust, et al., Continuous nonmalleable codes, TCC Proc., LNCS Vol. 8349, 2014.] a general continuous non-malleable encoding scheme based on NIZK is introduced which is secure in a strong model for which the adversary receives a no-tamper as a response to its tampering query if the decoding of the tampered codeword is identical to the original message. In this article we introduce a new strongly secure continuous non-malleable encoding scheme with tamper-detection property whose security is based on the existence of secure MAC’s. Moreover, we introduce and justify the importance of an intermediate security model called semi-strong c...
Amir S. Mortazavi, Mahmoud Salmasizadeh, Amir Dane
Added 03 Apr 2016
Updated 03 Apr 2016
Type Journal
Year 2016
Where IACR
Authors Amir S. Mortazavi, Mahmoud Salmasizadeh, Amir Daneshgar
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