Mahdi Khosravi
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 2d awarded Notable Question Oct20 awarded Popular Question Sep24 awarded Autobiographer Dec18 revised What is the best (thoroughly covering) textbook for application of LFSRs in cryptography? deleted 10 characters in body Dec18 asked What is the best (thoroughly covering) textbook for application of LFSRs in cryptography? Nov20 revised How to prove this LFSR equation? added 5 characters in body Nov20 revised How to prove this LFSR equation? deleted 8 characters in body Nov20 reviewed Approve How to prove this LFSR equation? Nov20 comment How to prove this LFSR equation? $\Omega(f)$ is the solution space of $f(x)$, i.e. if $f(x) = c_0 + c_1 x+\cdots+c_{n-1}x^{n-1}+x^n$ is characteristic polynomial of an LFSR ($c_i$'s are feedback coefficients) then $\Omega(f)$ is space of all sequences that are producible by that LFSR (for all possible initial states). Nov20 awarded Custodian Nov20 revised How to prove this LFSR equation? edited title Nov20 reviewed Approve How to prove this LFSR equation? Nov20 asked How to prove this LFSR equation? Oct31 comment How to develop a public key cryptosystem based on a hard problem? I am attending the course. So far I've been taught number theory and classic cryptosystems. Oct31 comment How to develop a public key cryptosystem based on a hard problem? @DrLecter Thanks. Is there any survey on such functions and the way they are exploited in cryptography? Oct30 comment How to develop a public key cryptosystem based on a hard problem? Is there any survey/collection to get familiar with such functions? Oct30 comment How to develop a public key cryptosystem based on a hard problem? @CodesInChaos Thanks. Actually, I want to find out how can I take an asymmetric component out of it. How should I start? I only know that hard problems are suitable for asymmetric cryptography. I am at the beginning of a cryptography course. Oct30 comment How to develop a public key cryptosystem based on a hard problem? @curious. Actually, I want to know whether it outperforms the existing ones or no! Oct30 asked How to develop a public key cryptosystem based on a hard problem? Oct28 asked Are there any practical examples of breaking a system using linear attacks?