Performance of chaos-based encryption algorithm for digital image

Suryadi, Eva Nurpeti, Dhian Widya

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Presentation of information in digital form is highly vulnerable againts information abusing. Digital image is one of digital information which is frequently becomes a target of crime. Therefore, reliable, secure, and fast security techniques are required in digital image information. In this study, chaos-based encryption algorithm for digital image is built to improve endurance from brute force and known plaintext attack. The algorithm use logistic map as a random number generator for key stream. According to test and analysis, this algorithm has key space of 1030, key sensitivity up to 10-16, the key stream is proved random, and the distribution of pixels value from encrypted image is proved uniform. So, it can be concluded that, the algorithm is very difficult to be cracked by brute force attack and also known plaintext attack.

Original languageEnglish
Pages (from-to)675-682
Number of pages8
JournalTelkomnika (Telecommunication Computing Electronics and Control)
Volume12
Issue number3
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • Chaos
  • Digital image
  • Encryption algorithm
  • Logistic map

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