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

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