key hashToPointSimple(const key & hh) { key pointk; ge_p1p1 point2; ge_p2 point; ge_p3 res; key h = cn_fast_hash(hh); CHECK_AND_ASSERT_THROW_MES(ge_frombytes_vartime(&res, h.bytes) == 0, "ge_frombytes_vartime failed at "+boost::lexical_cast<std::string>(__LINE__)); ge_p3_to_p2(&point, &res); ge_mul8(&point2, &point); ge_p1p1_to_p3(&res, &point2); ge_p3_tobytes(pointk.bytes, &res); return pointk; }
void ge_p3_dbl(ge_p1p1 *r,const ge_p3 *p) { ge_p2 q; ge_p3_to_p2(&q,p); ge_p2_dbl(r,&q); }