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:: Volume 5, Issue 1 (9-2016) ::
3 2016, 5(1): 21-32 Back to browse issues page
Jump Index in T-functions for designing a new basic structure of stream ciphers
Ali Hadipour , Seyed Mahdi Sajadieh Dr, Raheleh MoradAfifi
Abstract:   (2087 Views)

The stream ciphers are set of symmetric cipher algorithms that receive the secret message as a sequence of bits and process encrypted operation using complex function according to key, IV and XOR combination of a sequence of bits. One of the goals in the design of stream ciphers is to get minimum great period using one of the primary T-functions. Also using jump index in designing LFSRs lead to complexity of stream ciphers based on LFSR analysis. In this paper, tried with using of T-functions concepts and jump index, a novel method presented for primary functions design with great period.

Keywords: T-function, Jump index, Stream cipher, great period
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Type of Study: Scientific research | Subject: Special
Received: 2016/12/26 | Accepted: 2017/04/7 | Published: 2017/04/7
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Hadipour A, Sajadieh S M, MoradAfifi R. Jump Index in T-functions for designing a new basic structure of stream ciphers. 3. 2016; 5 (1) :21-32
URL: http://monadi.isc.org.ir/article-1-75-en.html

Volume 5, Issue 1 (9-2016) Back to browse issues page
دوفصل نامه علمی ترویجی منادی امنیت فضای تولید و تبادل اطلاعات( افتا) Biannual Journal Monadi for Cyberspace Security (AFTA)
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