http://mmgen-wallet.i2p/project/mmgen/mmgen-wallet/src/b0a4abd79a2ffc80ad09c77aa0741cc2d24a35f4/extmod/secp256k1mod.c
privkey_check(ctx, privkey_bytes, privkey_bytes_len, "Private key")) { return NULL; } if (secp256k1_ec_pubkey_create(ctx, &pubkey, privkey_bytes) != 1) { PyErr_SetString(PyExc_RuntimeError, "Public key creation failed"); return NULL; } if (secp256k1_ec_pubkey_serialize(ctx, pubkey_bytes, &pubkey_bytes_len, &pubkey, compressed == 1 ?