Download Cryptographic Algorithms on Reconfigurable Hardware by Francisco Rodriguez-Henriquez, N.A. Saqib, Arturo Díaz PDF

By Francisco Rodriguez-Henriquez, N.A. Saqib, Arturo Díaz Pérez, Cetin Kaya Koc

Software-based cryptography can be utilized for safeguard purposes the place information site visitors isn't really too huge and coffee encryption cost is tolerable. yet equipment are enhanced the place velocity and real-time encryption are wanted. in the past, there was no publication explaining how cryptographic algorithms may be carried out on reconfigurable units. This publication covers computational tools, desktop mathematics algorithms, and layout development innovations had to enforce effective cryptographic algorithms in FPGA reconfigurable structures. the writer emphasizes the sensible elements of reconfigurable layout, explaining the fundamental arithmetic concerned, and giving a accomplished description of cutting-edge implementation techniques.

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Some famous block ciphers are DES, AES, Serpent, RC6, MARS, IDEA, Twofish, etc. The most popular block cipher algorithm used in practice is DEA {Data Encryption Algorithm) defined in the standard DES [251]. The secret key used in DEA has a bit-length of 56 bits. Even though that key length was considered safe back in the middle 70's, nowadays technology can break DEA in some few hours by launching a brute-force attack. That is why DEA is widely used as Triple DEA (TDEA) which may offer a security equivalent to 112 bits.

Many soft processor cores are now available in commercial products. Some of the most notorious examples are: Xihnx 32-bit MicroBlaze and PicoBlaze, and the Altera Nios and the 32-bit 38 3. Reconfigurable Hardware Technology Nios II processor [394, 5]. These soft processor cores are configurable in the sense that the designer can introduce new custom instructions or processor data paths. Furthermore, unlike the hard-core processors included in the CSoC technology, designers can add as many soft processor cores as they may need (some designs could include 64 such processors or even more [130, 217]).

Reconfigurable devices are fast, highly flexible, easy to debug and take small developing cycle offering cost effective solutions. In summary, using reconfigurable hardware for cryptographic algorithms is beneficial in several ways: • Most cryptographic algorithms, especially symmetric ciphers, contain bitwise logic operations whose implementation fits very well on the FPGA CLB structure. 9, it was mentioned the iterative nature of most cryptographic algorithms. An iterative looping design (IL) implements only one round.

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