6 void ed25519_create_keypair(unsigned char *public_key, unsigned char *private_key, const unsigned char *seed) {
9 sha512(seed, 32, private_key);
10 private_key[0] &= 248;
11 private_key[31] &= 63;
12 private_key[31] |= 64;
14 ge_scalarmult_base(&A, private_key);
15 ge_p3_tobytes(public_key, &A);