[Cryptography] Yet another dumb crypto system
Viktor Dukhovni
cryptography at dukhovni.org
Thu Sep 24 23:24:26 EDT 2015
On Thu, Sep 24, 2015 at 02:58:53AM +0000, Viktor Dukhovni wrote:
> To avoid such problems you'd want x and y to be roots of distinct
> irreducible quadratic polynomials. This then turns your system
> into a degree 4 Galois extension of F_p.
For the record the degree would of course be 2 not 4. For odd p,
all quadratic irreducible polynomials split once the F_p is augmented
with a square-root of any non-square element. (And for p=2, there
is only one quadratic irreducible polynomial over F_p in the first
place).
--
Viktor.
More information about the cryptography
mailing list