release/src/router/libsodium/test/default/box7.c

   1
   2 #define TEST_NAME "box7"
   3 #include "cmptest.h"
   4
   5 static unsigned char alicesk[crypto_box_SECRETKEYBYTES];
   6 static unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
   7 static unsigned char bobsk[crypto_box_SECRETKEYBYTES];
   8 static unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
   9 static unsigned char n[crypto_box_NONCEBYTES];
  10
  11 int main(void)
  12 {
  13     unsigned char *m;
  14     unsigned char *c;
  15     unsigned char *m2;
  16     size_t         mlen;
  17     size_t         mlen_max = 1000;
  18     size_t         i;
  19     int            ret;
  20
  21     m = (unsigned char *) sodium_malloc(mlen_max);
  22     c = (unsigned char *) sodium_malloc(mlen_max);
  23     m2 = (unsigned char *) sodium_malloc(mlen_max);
  24     memset(m, 0, crypto_box_ZEROBYTES);
  25     crypto_box_keypair(alicepk, alicesk);
  26     crypto_box_keypair(bobpk, bobsk);
  27     for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) {
  28         randombytes_buf(n, crypto_box_NONCEBYTES);
  29         randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
  30         ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
  31         assert(ret == 0);
  32         if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
  33                             bobsk) == 0) {
  34             for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
  35                 if (m2[i] != m[i]) {
  36                     printf("bad decryption\n");
  37                     break;
  38                 }
  39             }
  40         } else {
  41             printf("ciphertext fails verification\n");
  42         }
  43     }
  44     sodium_free(m);
  45     sodium_free(c);
  46     sodium_free(m2);
  47
  48     return 0;
  49 }