release/src/router/dnscrypt/src/libnacl/tests/core6.c

   1 #include <stdio.h>
   2 #include "crypto_core_salsa20.h"
   3
   4 unsigned char k[32] = {
   5  0xee,0x30,0x4f,0xca,0x27,0x00,0x8d,0x8c
   6 ,0x12,0x6f,0x90,0x02,0x79,0x01,0xd8,0x0f
   7 ,0x7f,0x1d,0x8b,0x8d,0xc9,0x36,0xcf,0x3b
   8 ,0x9f,0x81,0x96,0x92,0x82,0x7e,0x57,0x77
   9 } ;
  10
  11 unsigned char in[16] = {
  12  0x81,0x91,0x8e,0xf2,0xa5,0xe0,0xda,0x9b
  13 ,0x3e,0x90,0x60,0x52,0x1e,0x4b,0xb3,0x52
  14 } ;
  15
  16 unsigned char c[16] = {
  17  101,120,112, 97,110,100, 32, 51
  18 , 50, 45, 98,121,116,101, 32,107
  19 } ;
  20
  21 unsigned char out[64];
  22
  23 void print(unsigned char *x,unsigned char *y)
  24 {
  25   int i;
  26   unsigned int borrow = 0;
  27   for (i = 0;i < 4;++i) {
  28     unsigned int xi = x[i];
  29     unsigned int yi = y[i];
  30     printf(",0x%02x",255 & (xi - yi - borrow));
  31     borrow = (xi < yi + borrow);
  32   }
  33 }
  34
  35 main()
  36 {
  37   crypto_core_salsa20(out,in,k,c);
  38   print(out,c);
  39   print(out + 20,c + 4); printf("\n");
  40   print(out + 40,c + 8);
  41   print(out + 60,c + 12); printf("\n");
  42   print(out + 24,in);
  43   print(out + 28,in + 4); printf("\n");
  44   print(out + 32,in + 8);
  45   print(out + 36,in + 12); printf("\n");
  46   return 0;
  47 }