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A modified approach of blowfish algorithm based on S-box permutation using shuffle algorithm

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PUB-CPR-L-2018-CorpuzRR-FLT.pdf (748.4Kb)
Date
2018-12-14
Author
Corpuz, Reynaldo R. ORCID
Gerardo, Bobby D. ORCID
Medina, Ruji P. ORCID
Agrovoc term
algorithms AGROVOC
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Abstract
Blowfish Algorithm has been widely analyzed and gradually accepted as a good and powerful cryptographic algorithm offering several advantages among which is suitability and efficiency for implementing hardware and software; it satisfies the basic requirements in cryptography with high in attack immunity and relatively low in algorithm complexity. In spite of undeniable success in cryptography, Blowfish (BF) still has drawbacks in the substitution and permutation of values in the substitution box (S-box) that can affect the encryption and decryption of the algorithm. This study adopted Fisher-Yates Shuffle (FYS) also known as Knuth shuffle (KS) for the permutation of S-box, and a modified Function F was used to enhance the BF algorithm to address this issue. The results show that Modified approach in Blowfish Algorithm outperformed the Original Blowfish in the encryption, decryption, and throughput of the algorithm.
URI
https://hdl.handle.net/20.500.14353/601
Recommended Citation
Corpuz, R. R., Gerardo, B. D., & Medina, R. P. (2018). A modified approach of blowfish algorithm based on S-box permutation using shuffle algorithm. In Proceedings of the 2018 VII International Conference on Network, Communication and Computing (pp. 140-145). https://doi.org/10.1145/3301326.3301331
DOI
10.1145/3301326
Type
Conference paper
ISBN
978-1-450-36553-6
Keywords
Blowfish algorithm Fisher-Yates Shuffle Function F S-box Shuffle algorithm Substitution-permutation networks Knuth shuffle Cryptanalysis Substitution box Image encryption Cryptographic algorithm
Subject
Algorithms OCLC - FAST (Faceted Application of Subject Terminology) Cryptography OCLC - FAST (Faceted Application of Subject Terminology) Data encryption (Computer science) OCLC - FAST (Faceted Application of Subject Terminology) Permutations OCLC - FAST (Faceted Application of Subject Terminology)
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  • Conference Papers [14]

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