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Error correction is an effective way to mitigate fault attacks in cryptographic hardware. It is also an effective solution to soft errors in deep sub-micron technologies. To this end, we present a systematic method for designing single error correcting (SEC) and double error detecting (DED) finite field (Galoisfield) multipliers over GF(2m). The detection and correction are done on-line. We use multiple...
The hash function design strategy SMASH was recently proposed as an alternative to the MD4 family of hash functions. It can be shown that the strategy leads to designs that are vulnerable to efficient collision and (second) preimage attacks. The mathematical structure of the SMASH description facilitates the description of the weakness and the resulting attacks, but also functions with less mathematical...
This paper discusses the predictability of the sequence given by outputing a constant proportion α of the leading bits of the numbers produced by a linear congruential generator. First, we make the assumption that the modulus of the generator is the only known parameter and we prove that, almost surely, a significant proportion of the bits can be predicted from the previous ones, once the generator...
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