curve25519_donna   13 crypto/curve25519.cc extern "C" int curve25519_donna(uint8*, const uint8*, const uint8*);
curve25519_donna   22 crypto/curve25519.cc   curve25519_donna(shared_key, private_key, peer_public_key);
curve25519_donna   31 crypto/curve25519.cc   curve25519_donna(public_key, private_key, kBasePoint);