Hykk87Ad

1void crypto_ops::generate_key_image(const public_key &pub, const secret_key &sec, key_image &image) {
2    ge_p3 point;
3    ge_p2 point2;
4    assert(sc_check(&sec) == 0);
5    hash_to_ec(pub, point);
6    ge_scalarmult(&point2, &sec, &point);
7    ge_tobytes(&image, &point2);
8  }
9	
10static void hash_to_ec(const public_key &key, ge_p3 &res) {
11    hash h;
12    ge_p2 point;
13    ge_p1p1 point2;
14    cn_fast_hash(std::addressof(key), sizeof(public_key), h);
15    ge_fromfe_frombytes_vartime(&point, reinterpret_cast<const unsigned char *>(&h));
16    ge_mul8(&point2, &point);
17    ge_p1p1_to_p3(&res, &point2);
18  }