Cited by 9Chaos-based Image/Signal EncryptionCryptographic Implementations and SecurityComputer Science and Engineering

Hybrid cryptosystem for image file using elgamal and double playfair cipher algorithm

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Hardi, S M, Tarigan, J T, Safrina, N·2018·Journal of Physics: Conference Series

Abstract

In this paper, we present an implementation of an image file encryption using hybrid cryptography. We chose ElGamal algorithm to perform asymmetric encryption and Double Playfair for the symmetric encryption. Our objective is to show that these algorithms are capable to encrypt an image file with an acceptable running time and encrypted file size while maintaining the level of security. The application was built using C# programming language and ran as a stand alone desktop application under Windows Operating System. Our test shows that the system is capable to encrypt an image with a resolution of 500 × 500 to a size of 976 kilobytes with an acceptable running time.

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Crossref · 10.1088/1742-6596/978/1/012068

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  • Classical hybrid cryptosystems combine a symmetric image cipher with asymmetric key transport such as ElGamal, ECC, Hill cipher variants or RSA, all of which are broken in polynomial time by Shor's algorithm.

    “Second, classical hybrid cryptosystems [32][33][34][35][36][37][38] consist of a combination of a symmetric image cypher and asymmetric key transport, which is either ElGamal, ECC, Hill cypher variants or RSA; all of which are the weakest links broken in polynomial time by Shor's algorithm.”

    From A hybrid encryption algorithm based on AES and Kyber for secure image protection in the post-quantum era (2026) · cites this paper as [35]

    The Introduction and Implementation sections describe a hybrid image cryptosystem that encrypts the image with symmetric Double Playfair and its keys with asymmetric ElGamal; Related Works also gives RSA as a key-encryption example. The paper does not describe Hill cipher variants as asymmetric key transport or say that these schemes are broken in polynomial time by Shor’s algorithm. Page numbers were not available in our copy. (LLM, conf=0.88)

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Research works printed but not linked: 2

  1. Zimmermann P R 1996 The Official PGP Users's Guide (Massachusetts Ave: The MIT Press)
  2. Dahake P and Nimbhorkar S 2015 Hybrid Cryptosystem for Maintaining Image Integrity Using Biometric Fingerprint Proc. Int. Conf. on Pervasive Computing (Pune: India) p 1031

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Authors
Hardi, S. M., Tarigan, J. T., & Safrina, N.
Affiliations
Universitas Sumatera Utara (ID)
Corresponding author
Safrina, N
Venue
Journal of Physics: Conference Series
Published
2018-03
Volume
978
Pages
012068
ISSN
  • 1742-6588 (ISSN-L)
  • 1742-6596
OpenAlex
W2790184304
Cited by
9
References
12
Citations by year
2026: 1 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 1
FWCI
0.30
Type
conference paper
Language
en
Open access
Locations
Journal of Physics Conference Series (publishedVersion, cc-by)
Funders
Universitas Sumatera Utara
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Chaos-based Image/Signal Encryption
  • Physical Sciences › Computer Science › Artificial Intelligence › Cryptographic Implementations and Security
  • Physical Sciences › Computer Science › Artificial Intelligence › Computer Science and Engineering
Keywords
hybrid encryption, image encryption, ElGamal algorithm, public-key cryptography, symmetric encryption, encryption performance

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