ec_curve.c
==========
Based on https://src.fedoraproject.org/rpms/openssl/blob/10d3d0df07f46d01b4324f577782e4615ad0c79f/f/ec_curve.c

Modified for

https://github.com/openssl/openssl/commit/66fd724daa89996bb775ab8911479c11143b44df

