toxcore/nacl/tests/core3.c

#include <stdio.h>
#include "crypto_core_salsa20.h"
#include "crypto_hash_sha256.h"

unsigned char secondkey[32] = {
 0xdc,0x90,0x8d,0xda,0x0b,0x93,0x44,0xa9
,0x53,0x62,0x9b,0x73,0x38,0x20,0x77,0x88
,0x80,0xf3,0xce,0xb4,0x21,0xbb,0x61,0xb9
,0x1c,0xbd,0x4c,0x3e,0x66,0x25,0x6c,0xe4
} ;

unsigned char noncesuffix[8] = {
 0x82,0x19,0xe0,0x03,0x6b,0x7a,0x0b,0x37
} ;

unsigned char c[16] = {
 0x65,0x78,0x70,0x61,0x6e,0x64,0x20,0x33
,0x32,0x2d,0x62,0x79,0x74,0x65,0x20,0x6b
} ;

unsigned char in[16] = { 0 } ;

unsigned char output[64 * 256 * 256];

unsigned char h[32];

main()
{
  int i;
  long long pos = 0;
  for (i = 0;i < 8;++i) in[i] = noncesuffix[i];
  do {
    do {
      crypto_core_salsa20(output + pos,in,secondkey,c);
      pos += 64;
    } while (++in[8]);
  } while (++in[9]);
  crypto_hash_sha256(h,output,sizeof output);
  for (i = 0;i < 32;++i) printf("%02x",h[i]); printf("\n");
  return 0;
}