release/src-rt-6.x.4708/router/libsodium/test/default/box_easy2.c

   1
   2 #define TEST_NAME "box_easy2"
   3 #include "cmptest.h"
   4
   5 unsigned char m[10000];
   6 unsigned char m2[10000];
   7 unsigned char c[crypto_box_MACBYTES + 10000];
   8 unsigned char nonce[crypto_box_NONCEBYTES];
   9 unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
  10 unsigned char alicesk[crypto_box_SECRETKEYBYTES];
  11 unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
  12 unsigned char bobsk[crypto_box_SECRETKEYBYTES];
  13 unsigned char mac[crypto_box_MACBYTES];
  14
  15 int main(void)
  16 {
  17     unsigned long long mlen;
  18     unsigned long long i;
  19
  20     crypto_box_keypair(alicepk, alicesk);
  21     crypto_box_keypair(bobpk, bobsk);
  22     mlen = (unsigned long long)randombytes_uniform((uint32_t)sizeof m);
  23     randombytes_buf(m, mlen);
  24     randombytes_buf(nonce, sizeof nonce);
  25     crypto_box_easy(c, m, mlen, nonce, bobpk, alicesk);
  26     if (crypto_box_open_easy(m2, c, mlen + crypto_box_MACBYTES, nonce, alicepk,
  27                              bobsk) != 0) {
  28         printf("open() failed");
  29         return 1;
  30     }
  31     printf("%d\n", memcmp(m, m2, mlen));
  32
  33     for (i = 0; i < mlen + crypto_box_MACBYTES - 1; i++) {
  34         if (crypto_box_open_easy(m2, c, i, nonce, alicepk, bobsk) == 0) {
  35             printf("short open() should have failed");
  36             return 1;
  37         }
  38     }
  39     crypto_box_detached(c, mac, m, mlen, nonce, bobsk, alicepk);
  40     crypto_box_open_detached(m2, c, mac, mlen, nonce, alicepk, bobsk);
  41     printf("%d\n", memcmp(m, m2, mlen));
  42
  43     return 0;
  44 }