release/src/router/libsodium/test/default/secretbox8.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "windows/windows-quirks.h"
   4
   5 #define TEST_NAME "secretbox8"
   6 #include "cmptest.h"
   7
   8 unsigned char k[crypto_secretbox_KEYBYTES];
   9 unsigned char n[crypto_secretbox_NONCEBYTES];
  10 unsigned char m[10000];
  11 unsigned char c[10000];
  12 unsigned char m2[10000];
  13
  14 int main(void)
  15 {
  16   size_t mlen;
  17   size_t i;
  18   int caught;
  19
  20   for (mlen = 0;mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;++mlen) {
  21     randombytes(k,crypto_secretbox_KEYBYTES);
  22     randombytes(n,crypto_secretbox_NONCEBYTES);
  23     randombytes(m + crypto_secretbox_ZEROBYTES,mlen);
  24     crypto_secretbox(c,m,mlen + crypto_secretbox_ZEROBYTES,n,k);
  25     caught = 0;
  26     while (caught < 10) {
  27       c[rand() % (mlen + crypto_secretbox_ZEROBYTES)] = rand();
  28       if (crypto_secretbox_open(m2,c,mlen + crypto_secretbox_ZEROBYTES,n,k) == 0) {
  29         for (i = 0;i < mlen + crypto_secretbox_ZEROBYTES;++i)
  30           if (m2[i] != m[i]) {
  31             printf("forgery\n");
  32             return 100;
  33           }
  34       } else {
  35         ++caught;
  36       }
  37     }
  38   }
  39   return 0;
  40 }