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Analysis of new and alternative encryption algorithms and scrambling methods for digital-tv and implementation of a new scrambling algorithm (AES128) on FPGA.
Linköping University, Department of Electrical Engineering. Linköping University, The Institute of Technology.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 300 HE creditsStudent thesisAlternative title
Analys av nya alternativa krypteringsalgoritmer och skramblingsmetoder för digital-TV samt implementation av en ny skramblingsalgoritm (AES128) på FPGA. (Swedish)
Abstract [en]

This report adresses why the currently used scrambling standard CSA needs a replacement. Proposed replacements to CSA are analyzed to some extent, and an alternative replacement (AES128) is analyzed.

One alternative being the CSA3, and the other being the CISSA algorithm. Both of the proposed algorithms use the AES algorithm as a base. The CSA3 combines AES128 with a secret cipher, the XRC, while CISSA uses the AES cipher in a feedback mode. The different utilizations makes CSA3 hardware friendly and CISSA software friendly.

The implementation of the Advanced Encryption Standard (AES) is analyzed for a 128 bit key length based design, and a specific implementation is presented.

Place, publisher, year, edition, pages
2014. , 79 p.
Keyword [en]
DVB, scrambling, CISSA, cipher, CSA, CSA3, AES128, FPGA
National Category
Embedded Systems
URN: urn:nbn:se:liu:diva-111112ISRN: LiTH-ISY-EX--14/4791--SEOAI: diva2:753441
External cooperation
WISI Norden AB
Subject / course
Computer Engineering
Available from: 2014-10-21 Created: 2014-10-08 Last updated: 2014-10-21Bibliographically approved

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