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

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