Paper 2016/043

Strong Continuous Non-malleable Encoding Schemes with Tamper-Detection

Amir S. Mortazavi, Mahmoud Salmasizadeh, and Amir Daneshgar

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 continuous non-malleability, while we provide a secure semi-strong continuous non-malleable encoding scheme whose security is based on the existence of CCA-secure public-key encryption. Considering the area of applications of encoding schemes in tamper-proof devices, it is instructive to note that our proposed schemes can be used to implement an algorithmic tamperdetection level as well as maintaining the security conditions.

Metadata
Available format(s)
PDF
Publication info
Preprint. MINOR revision.
Keywords
encoding schemestamper resilient cryptographytamper-detectioncontinuous non-malleability
Contact author(s)
sa_mortazavi @ ee sharif edu
History
2016-01-24: revised
2016-01-19: received
See all versions
Short URL
https://ia.cr/2016/043
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2016/043,
      author = {Amir S.  Mortazavi and Mahmoud Salmasizadeh and Amir Daneshgar},
      title = {Strong Continuous Non-malleable Encoding Schemes with  Tamper-Detection},
      howpublished = {Cryptology {ePrint} Archive, Paper 2016/043},
      year = {2016},
      url = {https://eprint.iacr.org/2016/043}
}
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