kctang (kctang8@ie.cuhk.edu.hk) wrote:
>Obviously someone would relate [...Gaudry-Hess-Smart paper...]
>with Certicom's ECC challenge
The Gaudry-Hess-Smart result applies to curves over fields of the form
GF(2^n) with n composite whereas Certicom challenges use curves over
GF(p) or GF(2^n) with n prime.
In some rare cases the GHS method can be used with n prime, but none
of the Certicom curves appear to be subject to it.
Bye,
Rob.
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