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Information Technology Journal
Year: 2014  |  Volume: 13  |  Issue: 12  |  Page No.: 1936 - 1944

Modeling Combo PR Generator for Stego Storage Self Test (SSST)

Sundararaman Rajagopalan, Yamini Ravishankar, Har Narayan Upadhyay, J.B.B. Rayappan and Rengarajan Amirtharajan    

Abstract: Steganography, a protected envelope for information systems is reaching new horizons at software as well as hardware level. Due to the number of benefits that result in using reconfigurable hardware like FPGA for stego system development, some attention is needed in performing the stego memory testing. While Self test methodologies adopted for memories require attention due to the extensive memory requirements, testing the secret carrier stego memory modules occupies the center stage due to its higher importance of data protection. Normally block RAMs inside FPGA can store the cover and stego images. With the hardware pseudorandom pattern generators, the memory testing can be done effectively. In this regard, the present work focuses on the implementation and analysis of various combined multiple LFSR based pseudorandom sequence generation schemes for Stego Memory self testing on Cyclone II EP2C20F484C7 FPGA. Analysis of the different schemes for their suitability to stego memory arena is an important objective of this work and also sequence distribution analysis has been carried out to verify the distribution of pseudorandom sequences for N clock cycles. The synthesis reports for all the four cases undertaken in this work have also been reported.

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