A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR
Shaker, N., Shehata, K., Elshafiey, T., Alshobaki, A. (2006). A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR. EKB Journal Management System, 5(5th International Conference on Electrical Engineering ICEENG 2006), 1-10. doi: 10.21608/iceeng.2006.33681
N. Shaker; K. Shehata; T. Elshafiey; A. Alshobaki. "A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR". EKB Journal Management System, 5, 5th International Conference on Electrical Engineering ICEENG 2006, 2006, 1-10. doi: 10.21608/iceeng.2006.33681
Shaker, N., Shehata, K., Elshafiey, T., Alshobaki, A. (2006). 'A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR', EKB Journal Management System, 5(5th International Conference on Electrical Engineering ICEENG 2006), pp. 1-10. doi: 10.21608/iceeng.2006.33681
Shaker, N., Shehata, K., Elshafiey, T., Alshobaki, A. A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR. EKB Journal Management System, 2006; 5(5th International Conference on Electrical Engineering ICEENG 2006): 1-10. doi: 10.21608/iceeng.2006.33681

A PROPOSED ARCHITECTURE FOR STREAM CIPHERS USING LFSR AND FCSR

The International Conference on Electrical Engineering
Article 75, Volume 5, 5th International Conference on Electrical Engineering ICEENG 2006, May 2006, Pages 1-10    PDF (259.39 K)
Document Type: Original Article
DOI: 10.21608/iceeng.2006.33681
Authors
N. Shaker1; K. Shehata2; T. Elshafiey3; A. Alshobaki4
1Comsec. Consultant.
2Prof. AAST, Cairo – Egypt.
3Assisted Prof., MSA, Cairo – Egypt.
4Graduate student, AAST, Alex. – Egypt.
Abstract
ABSTRACT
A major class of applied stream cipher systems makes use of combining a number of Linear
Feed Back Shift Registers (LFSR) to achieve reasonable cryptographic specifications. The
Feed back with carry shift register (FCSR) is a new device to be used in the structure of
stream ciphers in addition to or as a substitute for the LFSR. In this paper, we investigate the
advantages and limitations of combining both LFSR and FCSR in one stream cipher design.
A proposed novel design for a stream cipher architecture – using both LFSR and FCSR –
will also be introduced and its cryptographic specifications will be evaluated.
Keywords
Encryption; Stream Cipher; Linear Complexity; 2-adic Complexity; Algebraic Degree and Correlation Immunity
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