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Jun
23
awarded  Caucus
May
5
comment What is the “Walsh Function” about?
There is some stuff on this over on dsp.SE (search for Hadamard also, not just for Walsh) that might get you some of the information that you seek.
Jan
8
revised Random Galois fields
added 88 characters in body
Jan
8
answered Random Galois fields
Jan
7
answered Split 32-bit LFSR into two 16-bit LFSR which xor to same sequence
Dec
2
comment Find LFSR with Berlekamp-Massey algorithm?
As to whether the authors of the paper you refer to used the Berlekamp-Massey algorithm or not, why not ask them directly? Maybe they used the Extended Euclidean Algorithm for greatest common divisors instead. Or, maybe they picked an arbitrary LFSR (e.g. pick one of the ten known primitive polynomials of degree 160) and used whatever sequence it spat out for Rcon. And yes, you can use the Berlekamp-Massey algorithm to find an LFSR that will produce your desired sequence.
Nov
23
comment A rudimentary challenge–response authentication based on dot products in $\mathrm{GF}(2)^k$
Hint: $p\cdot c_1\oplus p\cdot c_2 = p\cdot (c_1\oplus c_2)$ and so the eavesdropper knows the answer to the challenge $c_1\oplus c_2$ without needing to know $p$.
Sep
22
awarded  Yearling
Jun
19
answered LFSR and Markov chain question
May
21
revised Shamir Secret sharing - Can share generator keep x values secret?
rolled back to a previous revision
May
21
reviewed Reject Shamir Secret sharing - Can share generator keep x values secret?
May
21
reviewed Reject Shamir Secret sharing - Can share generator keep x values secret?
May
21
awarded  Cleanup
May
21
awarded  Custodian
May
21
revised Shamir Secret sharing - Can share generator keep x values secret?
rolled back to a previous revision
May
21
reviewed Reject Shamir Secret sharing - Can share generator keep x values secret?
May
21
answered Shamir Secret sharing - Can share generator keep x values secret?
May
17
answered Berlekamp-Massey to construct minimal LFSR
May
17
comment Berlekamp-Massey to construct minimal LFSR
Perhaps the explanation in this answer might help, even though it uses slightly different notation.
Mar
7
revised How to generate a random integer in interval $[1, 2^n-1]$ from random integer in interval $[0, 2^n-1]$?
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