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The paper describes the design of high performance MIPS Cryptography processor based on triple data encryption standard. The organization of pipeline stages in such a way that pipeline can be clocked at high frequency. Encryption and Decryption blocks of Triple Data Encryption Standard (T-DES) crypto system and dependency among themselves are explained in detail with the help of block diagram. In order to increase the processor functionality and performance, especially for security applications the authors include three new 32-bit instructions LKLW, LKUW and CRYPT. The design has been synthesized at 40nm process technology targeting using Xilinx Virtex-6 device.
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