release/src/router/libsodium/test/default/core6.c

   1
   2 #define TEST_NAME "core6"
   3 #include "cmptest.h"
   4
   5 unsigned char k[32]
   6     = { 0xee, 0x30, 0x4f, 0xca, 0x27, 0x00, 0x8d, 0x8c, 0x12, 0x6f, 0x90,
   7         0x02, 0x79, 0x01, 0xd8, 0x0f, 0x7f, 0x1d, 0x8b, 0x8d, 0xc9, 0x36,
   8         0xcf, 0x3b, 0x9f, 0x81, 0x96, 0x92, 0x82, 0x7e, 0x57, 0x77 };
   9
  10 unsigned char in[16] = { 0x81, 0x91, 0x8e, 0xf2, 0xa5, 0xe0, 0xda, 0x9b,
  11                          0x3e, 0x90, 0x60, 0x52, 0x1e, 0x4b, 0xb3, 0x52 };
  12
  13 unsigned char c[16] = { 101, 120, 112, 97,  110, 100, 32, 51,
  14                         50,  45,  98,  121, 116, 101, 32, 107 };
  15
  16 unsigned char out[64];
  17
  18 void print(unsigned char *x, unsigned char *y)
  19 {
  20     int i;
  21     unsigned int borrow = 0;
  22
  23     for (i = 0; i < 4; ++i) {
  24         unsigned int xi = x[i];
  25         unsigned int yi = y[i];
  26         printf(",0x%02x", 255 & (xi - yi - borrow));
  27         borrow = (xi < yi + borrow);
  28     }
  29 }
  30
  31 int main(void)
  32 {
  33     crypto_core_salsa20(out, in, k, c);
  34     print(out, c);
  35     print(out + 20, c + 4);
  36     printf("\n");
  37     print(out + 40, c + 8);
  38     print(out + 60, c + 12);
  39     printf("\n");
  40     print(out + 24, in);
  41     print(out + 28, in + 4);
  42     printf("\n");
  43     print(out + 32, in + 8);
  44     print(out + 36, in + 12);
  45     printf("\n");
  46
  47     return 0;
  48 }