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Cryptographic hash functions have many security based applications, particularly in message authentication codes (MACs), digital signatures and data integrity. Secure Hash Algorithm-3 (SHA-3) is a new cryptographic hash algorithm that was selected on 2nd Oct '12 after a five year public contest organized by the National Institute of Standards and Technology (NIST), USA. This paper provides a unique...
High performance video standards use prediction techniques to achieve high picture quality at low bit rates. The type of prediction decides the bit rates and the image quality. Intra Prediction achieves high video quality with significant reduction in bit rate. This paper present an area optimized architecture for Intra prediction, for H.264 decoding at HDTV resolution with a target of achieving 60...
A systematic approach to the comparison of the graphics processor (GPU) and reconfigurable logic is defined in terms of three throughput drivers. The approach is applied to five case study algorithms, characterized by their arithmetic complexity, memory access requirements, and data dependence, and two target devices: the nVidia GeForce 7900 GTX GPU and a Xilinx Virtex-4 field programmable gate array...
We propose a new powerful scalable generic parallel and modular architecture well suited to LDPC code decoding. This architecture template has been instantiated in the case of the 802.16e WiMax standard. The proposed design is fully compliant with all the code classes defined by the standard. It has been validated through an implementation on a Xilinx Virtex5 FPGA component. A four or six-module FPGA...
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