Design and Implementation of KASUMI Algorithm in ISMACryp Encryption for Video Content Protection in DVB-H Application

Abstract:

Three technologies can be used for content protection in DVB-H; IPSec, SRTP and ISMACryp. ISMA Encryption and Authentication is one of the three chosen technologies for service protection in DVB-H (Digital Video Broadcasting - Handheld), the TV system for portable handheld devices. This paper deals with modification in ISMACryp. The ISMACryp is encoded with MPEG-4 video and MPEG-4 AAC (advanced audio coding), while leaving all structural data as it is. Two modes of ISMACryp are available; the CTR mode (Counter type) and CBC mode (Cipher Block Chaining) mode. Both modes of ISMACryp is based on 128-bit AES algorithm. AES algorithms are more complex and require larger time with more clock cycles for execution. This paper is being first simulate and implement existing ISMACryp using 128-bit Rijndael algorithm and then modified it with KASUMI algorithm that will be provided lower number of clock pulses with lower execution time. The simulation is done in Matlab and implementation in TMS320C6713 DSP kit.

• Periodical: Advanced Materials Research (Volumes 403-408)
• Pages: 3847-3853
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.403-408.3847
• Online since: November 2011
• Authors: Jay M. Joshi, Kiran R. Parmar, Upena D. Dalal
• Keywords: CCS Profiling, DVB-H, ISMACryp, KASUMI, Rijndael

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