libsodium/test/scalarmult.c

#include <stdio.h>
#include "crypto_scalarmult_curve25519.h"

unsigned char alicesk[32] = {
 0x77,0x07,0x6d,0x0a,0x73,0x18,0xa5,0x7d
,0x3c,0x16,0xc1,0x72,0x51,0xb2,0x66,0x45
,0xdf,0x4c,0x2f,0x87,0xeb,0xc0,0x99,0x2a
,0xb1,0x77,0xfb,0xa5,0x1d,0xb9,0x2c,0x2a
} ;

unsigned char alicepk[32];

int main(void)
{
  int i;
  crypto_scalarmult_curve25519_base(alicepk,alicesk);
  for (i = 0;i < 32;++i) {
    if (i > 0) printf(","); else printf(" ");
    printf("0x%02x",(unsigned int) alicepk[i]);
    if (i % 8 == 7) printf("\n");
  }
  return 0;
}