Mahdi Khosravi
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 Mar 25 awarded Popular Question Apr 23 awarded Notable Question Oct 20 awarded Popular Question Sep 24 awarded Autobiographer Dec 18 revised What is the best (thoroughly covering) textbook for application of LFSRs in cryptography? deleted 10 characters in body Dec 18 asked What is the best (thoroughly covering) textbook for application of LFSRs in cryptography? Nov 20 revised How to prove this LFSR equation? added 5 characters in body Nov 20 revised How to prove this LFSR equation? deleted 8 characters in body Nov 20 reviewed Approve How to prove this LFSR equation? Nov 20 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). Nov 20 awarded Custodian Nov 20 revised How to prove this LFSR equation? edited title Nov 20 reviewed Approve How to prove this LFSR equation? Nov 20 asked How to prove this LFSR equation? Oct 31 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. Oct 31 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? Oct 30 comment How to develop a public key cryptosystem based on a hard problem? Is there any survey/collection to get familiar with such functions? Oct 30 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. Oct 30 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! Oct 30 asked How to develop a public key cryptosystem based on a hard problem?