summaryrefslogtreecommitdiffstats
path: root/plugin/auth_ed25519/ref10/keypair.c
blob: 64000838b5efc776dfbb84fa2fa5365c3b4e2447 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#include <string.h>
#include "crypto_sign.h"
#include "crypto_hash_sha512.h"
#include "ge.h"

int crypto_sign_keypair(
  unsigned char *pk,
  unsigned char *pw, unsigned long long pwlen
)
{
  unsigned char az[64];
  ge_p3 A;

  crypto_hash_sha512(az,pw,pwlen);
  az[0] &= 248;
  az[31] &= 63;
  az[31] |= 64;

  ge_scalarmult_base(&A,az);
  ge_p3_tobytes(pk,&A);

  return 0;
}