release/src-rt-6.x.4708/router/libsodium/test/default/box7.c

   1
   2 #define TEST_NAME "box7"
   3 #include "cmptest.h"
   4
   5 unsigned char alicesk[crypto_box_SECRETKEYBYTES];
   6 unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
   7 unsigned char bobsk[crypto_box_SECRETKEYBYTES];
   8 unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
   9 unsigned char n[crypto_box_NONCEBYTES];
  10 unsigned char m[10000];
  11 unsigned char c[10000];
  12 unsigned char m2[10000];
  13
  14 int main(void)
  15 {
  16     size_t mlen;
  17     size_t i;
  18
  19     for (mlen = 0; mlen < 1000 && mlen + crypto_box_ZEROBYTES < sizeof m;
  20          ++mlen) {
  21         crypto_box_keypair(alicepk, alicesk);
  22         crypto_box_keypair(bobpk, bobsk);
  23         randombytes_buf(n, crypto_box_NONCEBYTES);
  24         randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
  25         crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
  26         if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
  27                             bobsk) == 0) {
  28             for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
  29                 if (m2[i] != m[i]) {
  30                     printf("bad decryption\n");
  31                     break;
  32                 }
  33             }
  34         } else {
  35             printf("ciphertext fails verification\n");
  36         }
  37     }
  38     return 0;
  39 }