Proposed color Image Lightweight Encryption Using Salsa20 with Key Derivation Function

Authors

  • ebtehal talib Ministry of Higher Education and Scientific Research, Baghdad, Iraq. https://orcid.org/0000-0002-9513-5877
  • Abeer Salim Jamil Department of Computer Technics Engineering, Al-Mansour University College, Iraq.
  • Nidaa Flaih Hassan Department of Computer Science, University of Technology, Baghdad, Iraq.

DOI:

https://doi.org/10.21123/bsj.2024.9280

Keywords:

Light Encryption, SALSA20, Key Derivation Function, PBKDF2, Pseudorandom Function, SHA256, Attacks.

Abstract

Due to the extraordinary development in the production and exchange of multimedia across unprotected networks, there is a greater need to develop reliable secure, and effective cryptographic algorithms. This paper proposes a Lightweight Encryption algorithm combining Salsa20 and password-based Key Derivation Function2 ) PBKDF2) for color images. Due to the PBKDF2 characteristics such as strengthening the security of the password by applying multiple rounds of a pseudorandom function (PRF) to generate the key, Salt Usage adds additional randomness to the key derivation process, therefor it is used to enhance salsa20.  By offering a large key space, the recommended lightweight image encryption has demonstrated robustness against brute force attacks. Additionally, the suggested method is capable of protecting against statistical cracking, differential attack and image security based on the histogram, correlation, NPCR, UACI, and entropy criteria. The time to encrypt an image takes 1.3 seconds, so it can be run on real-time programs

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Proposed color Image Lightweight Encryption Using Salsa20 with Key Derivation Function. Baghdad Sci.J [Internet]. [cited 2024 Dec. 6];22(2). Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/9280