1int crypto_sign_keypair(
2 unsigned char *pk,
3 unsigned char *pw, unsigned long long pwlen
4);
5int crypto_sign(
6 unsigned char *sm,
7 const unsigned char *m, unsigned long long mlen,
8 const unsigned char *pw, unsigned long long pwlen
9);
10int crypto_sign_open(
11 unsigned char *sm, unsigned long long smlen,
12 const unsigned char *pk
13);
14