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      1 
      2 #define TEST_NAME "secretbox7"
      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
     12 main(void)
     13 {
     14     size_t mlen;
     15     size_t i;
     16 
     17     for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;
     18          ++mlen) {
     19         crypto_secretbox_keygen(k);
     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         if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES, n,
     24                                   k) == 0) {
     25             for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) {
     26                 if (m2[i] != m[i]) {
     27                     printf("bad decryption\n");
     28                     break;
     29                 }
     30             }
     31         } else {
     32             printf("ciphertext fails verification\n");
     33         }
     34     }
     35     return 0;
     36 }
     37