#include <stdio.h>
#include "crypto_secretbox_xsalsa20poly1305.h"

unsigned char firstkey[32] = {
 0x1b,0x27,0x55,0x64,0x73,0xe9,0x85,0xd4
,0x62,0xcd,0x51,0x19,0x7a,0x9a,0x46,0xc7
,0x60,0x09,0x54,0x9e,0xac,0x64,0x74,0xf2
,0x06,0xc4,0xee,0x08,0x44,0xf6,0x83,0x89
} ;

unsigned char nonce[24] = {
 0x69,0x69,0x6e,0xe9,0x55,0xb6,0x2b,0x73
,0xcd,0x62,0xbd,0xa8,0x75,0xfc,0x73,0xd6
,0x82,0x19,0xe0,0x03,0x6b,0x7a,0x0b,0x37
} ;

// API requires first 16 bytes to be 0
unsigned char c[163] = {
    0,   0,   0,   0,   0,   0,   0,   0
,   0,   0,   0,   0,   0,   0,   0,   0
,0xf3,0xff,0xc7,0x70,0x3f,0x94,0x00,0xe5
,0x2a,0x7d,0xfb,0x4b,0x3d,0x33,0x05,0xd9
,0x8e,0x99,0x3b,0x9f,0x48,0x68,0x12,0x73
,0xc2,0x96,0x50,0xba,0x32,0xfc,0x76,0xce
,0x48,0x33,0x2e,0xa7,0x16,0x4d,0x96,0xa4
,0x47,0x6f,0xb8,0xc5,0x31,0xa1,0x18,0x6a
,0xc0,0xdf,0xc1,0x7c,0x98,0xdc,0xe8,0x7b
,0x4d,0xa7,0xf0,0x11,0xec,0x48,0xc9,0x72
,0x71,0xd2,0xc2,0x0f,0x9b,0x92,0x8f,0xe2
,0x27,0x0d,0x6f,0xb8,0x63,0xd5,0x17,0x38
,0xb4,0x8e,0xee,0xe3,0x14,0xa7,0xcc,0x8a
,0xb9,0x32,0x16,0x45,0x48,0xe5,0x26,0xae
,0x90,0x22,0x43,0x68,0x51,0x7a,0xcf,0xea
,0xbd,0x6b,0xb3,0x73,0x2b,0xc0,0xe9,0xda
,0x99,0x83,0x2b,0x61,0xca,0x01,0xb6,0xde
,0x56,0x24,0x4a,0x9e,0x88,0xd5,0xf9,0xb3
,0x79,0x73,0xf6,0x22,0xa4,0x3d,0x14,0xa6
,0x59,0x9b,0x1f,0x65,0x4c,0xb4,0x5a,0x74
,0xe3,0x55,0xa5
} ;

unsigned char m[163];

int main(void)
{
  int i;
  if (crypto_secretbox_xsalsa20poly1305_open(
       m,c,163,nonce,firstkey
      ) == 0) {
    for (i = 32;i < 163;++i) {
      printf(",0x%02x",(unsigned int) m[i]);
      if (i % 8 == 7) printf("\n");
    }
    printf("\n");
  }
  return 0;
}