release/src/router/libsodium/test/default/secretbox7.c

   1 #include <stdio.h>
   2
   3 #define TEST_NAME "secretbox7"
   4 #include "cmptest.h"
   5
   6 unsigned char k[crypto_secretbox_KEYBYTES];
   7 unsigned char n[crypto_secretbox_NONCEBYTES];
   8 unsigned char m[10000];
   9 unsigned char c[10000];
  10 unsigned char m2[10000];
  11
  12 int main(void)
  13 {
  14   size_t mlen;
  15   size_t i;
  16
  17   for (mlen = 0;mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;++mlen) {
  18     randombytes(k,crypto_secretbox_KEYBYTES);
  19     randombytes(n,crypto_secretbox_NONCEBYTES);
  20     randombytes(m + crypto_secretbox_ZEROBYTES,mlen);
  21     crypto_secretbox(c,m,mlen + crypto_secretbox_ZEROBYTES,n,k);
  22     if (crypto_secretbox_open(m2,c,mlen + crypto_secretbox_ZEROBYTES,n,k) == 0) {
  23       for (i = 0;i < mlen + crypto_secretbox_ZEROBYTES;++i)
  24         if (m2[i] != m[i]) {
  25           printf("bad decryption\n");
  26           break;
  27         }
  28     } else {
  29       printf("ciphertext fails verification\n");
  30     }
  31   }
  32   return 0;
  33 }