release/src/router/libsodium/test/default/secretbox_easy2.c

   1
   2 #define TEST_NAME "secretbox_easy2"
   3 #include "cmptest.h"
   4
   5 int main(void)
   6 {
   7     unsigned char *m;
   8     unsigned char *m2;
   9     unsigned char *c;
  10     unsigned char *nonce;
  11     unsigned char *k;
  12     unsigned char *mac;
  13     size_t mlen;
  14     size_t i;
  15
  16     mlen = (size_t) randombytes_uniform((uint32_t) 10000) + 1U;
  17     m = (unsigned char *) sodium_malloc(mlen);
  18     m2 = (unsigned char *) sodium_malloc(mlen);
  19     c = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES + mlen);
  20     nonce = (unsigned char *) sodium_malloc(crypto_secretbox_NONCEBYTES);
  21     k = (unsigned char *) sodium_malloc(crypto_secretbox_KEYBYTES);
  22     mac = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES);
  23     randombytes_buf(k, crypto_secretbox_KEYBYTES);
  24     randombytes_buf(m, (unsigned long long) mlen);
  25     randombytes_buf(nonce, crypto_secretbox_NONCEBYTES);
  26     crypto_secretbox_easy(c, m, (unsigned long long) mlen, nonce, k);
  27     if (crypto_secretbox_open_easy(m2, c,
  28                                    (unsigned long long) mlen + crypto_secretbox_MACBYTES,
  29                                    nonce, k) != 0) {
  30         printf("crypto_secretbox_open_easy() failed\n");
  31     }
  32     printf("%d\n", memcmp(m, m2, mlen));
  33
  34     for (i = 0; i < mlen + crypto_secretbox_MACBYTES - 1; i++) {
  35         if (crypto_secretbox_open_easy(m2, c, (unsigned long long) i,
  36                                        nonce, k) == 0) {
  37             printf("short open() should have failed\n");
  38             return 1;
  39         }
  40     }
  41     crypto_secretbox_detached(c, mac, m, (unsigned long long) mlen, nonce, k);
  42     if (crypto_secretbox_open_detached(m2, c, mac, (unsigned long long) mlen,
  43                                        nonce, k) != 0) {
  44         printf("crypto_secretbox_open_detached() failed\n");
  45     }
  46     printf("%d\n", memcmp(m, m2, mlen));
  47
  48     memcpy(c, m, mlen);
  49     crypto_secretbox_easy(c, c, (unsigned long long) mlen, nonce, k);
  50     printf("%d\n", memcmp(m, c, mlen) == 0);
  51     printf("%d\n", memcmp(m, c + crypto_secretbox_MACBYTES, mlen) == 0);
  52     if (crypto_secretbox_open_easy(c, c,
  53                                    (unsigned long long) mlen + crypto_secretbox_MACBYTES,
  54                                    nonce, k) != 0) {
  55         printf("crypto_secretbox_open_easy() failed\n");
  56     }
  57     printf("%d\n", memcmp(m, c, mlen));
  58
  59     sodium_free(m);
  60     sodium_free(m2);
  61     sodium_free(c);
  62     sodium_free(nonce);
  63     sodium_free(k);
  64     sodium_free(mac);
  65
  66     return 0;
  67 }