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 defense purposes the place facts site visitors isn't too huge and occasional encryption price is tolerable. yet equipment are superior the place velocity and real-time encryption are wanted. in the past, there was no booklet explaining how cryptographic algorithms might be carried out on reconfigurable units. This booklet covers computational tools, laptop mathematics algorithms, and layout development thoughts 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 entire description of state of the art implementation techniques.

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Extra resources for Cryptographic Algorithms on Reconfigurable Hardware

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In general, however, the equivalent n-bit security strength of a given algorithm is less than m due to the possibility that certain specific attack to that algorithm may provide computational advantages compared with the brute-force attack [257]. Determining the security strength of an algorithm is not trivial. For example, one might expect that 3TDEA would provide 56 * 3 •= 168 bits of strength. However, the so-called birthday and meet-in-the-middle attacks on 3TDEA [227, 315] reduces the strength of 3TDEA to merely 112-bit equivalent security strength.

10 ECDSA Signature Verification Require: Domain parameters: {q,a,b,P,n,h), signature {r,s), Sender's public key Q, message m. Ensure: Reject/Accept. 1: if r, s are not in the interval [1, n — 1] then 2: Ret urn ("Reject") 3: end if 4: e = /f(m); 5: w = s~^ mod n; 6: ui = ew mod n; 7: U2 = rw mod n; 8: X = iii -P-f W2 -Q; 9: if X=0 then 10: Return "Rejected". 11: end if 12: Convert the x coordinate of X to an integer xi. 5 Key Exchange In secret key cryptography, it is necessary that both parties at the sending and receiving ends agree on a secret key for transferring data in a secure way.

It recovers the hash value from s by computing h = s^. Thereafter, B computes once again the hash value, say, h = H{m). If h -• h, then the signature is accepted otherwise, it is rejected. 2 RSA Digital Signature Require: Sender's public key (n,e), Sender's private key d, message m. Ensure: digital signature s. 1: h = H{m); 2: s = h^ mod n. 3: R e t u r n s. 2 R S A Standards RSA is specified in [193, 253, 255]. Additionally, there exist a number of standards where the digital signature algorithm RSA just described is utilized.

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