text: 
  #define TEST_NAME "box_easy2"
  #include "cmptest.h"
  
  unsigned char m[10000];
  unsigned char m2[10000];
  unsigned char c[crypto_box_MACBYTES + 10000];
  
  int main(void)
  {
      unsigned char *alicepk;
      unsigned char *alicesk;
      unsigned char *bobpk;
      unsigned char *bobsk;
      unsigned char *mac;
      unsigned char *nonce;
      unsigned char *k1;
      unsigned char *k2;
      size_t         mlen;
      size_t         i;
  
      alicepk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
      alicesk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
      bobpk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
      bobsk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
      mac = (unsigned char *) sodium_malloc(crypto_box_MACBYTES);
      nonce = (unsigned char *) sodium_malloc(crypto_box_NONCEBYTES);
      k1 = (unsigned char *) sodium_malloc(crypto_box_BEFORENMBYTES);
      k2 = (unsigned char *) sodium_malloc(crypto_box_BEFORENMBYTES);
      crypto_box_keypair(alicepk, alicesk);
      crypto_box_keypair(bobpk, bobsk);
      mlen = (size_t) randombytes_uniform((uint32_t)sizeof m);
      randombytes_buf(m, mlen);
      randombytes_buf(nonce, crypto_box_NONCEBYTES);
      crypto_box_easy(c, m, mlen, nonce, bobpk, alicesk);
      if (crypto_box_open_easy(m2, c,
                               (unsigned long long) mlen + crypto_box_MACBYTES,
                               nonce, alicepk, bobsk) != 0) {
          printf("open() failed");
          return 1;
      }
      printf("%d\n", memcmp(m, m2, mlen));
  
      for (i = 0; i < mlen + crypto_box_MACBYTES - 1; i++) {
          if (crypto_box_open_easy(m2, c, (unsigned long long) i,
                                   nonce, alicepk, bobsk) == 0) {
              printf("short open() should have failed");
              return 1;
          }
      }
  
      memcpy(c, m, mlen);
      crypto_box_easy(c, c, (unsigned long long) mlen, nonce, bobpk, alicesk);
      printf("%d\n", memcmp(m, c, mlen) == 0);
      printf("%d\n", memcmp(m, c + crypto_box_MACBYTES, mlen) == 0);
      if (crypto_box_open_easy(c, c,
                               (unsigned long long) mlen + crypto_box_MACBYTES,
                               nonce, alicepk, bobsk) != 0) {
          printf("crypto_box_open_easy() failed\n");
      }
  
      crypto_box_beforenm(k1, alicepk, bobsk);
      crypto_box_beforenm(k2, bobpk, alicesk);
  
      memset(m2, 0, sizeof m2);
  
      if (crypto_box_easy_afternm(c, m, SIZE_MAX - 1U, nonce, k1) == 0) {
          printf("crypto_box_easy_afternm() with a short ciphertext should have failed\n");
      }
      crypto_box_easy_afternm(c, m, (unsigned long long) mlen, nonce, k1);
      crypto_box_open_easy_afternm(m2, c,
                                   (unsigned long long) mlen + crypto_box_MACBYTES,
                                   nonce, k2);
      printf("%d\n", memcmp(m, m2, mlen));
      if (crypto_box_open_easy_afternm(m2, c, crypto_box_MACBYTES - 1U,
                                       nonce, k2) == 0) {
          printf("crypto_box_open_easy_afternm() with a huge ciphertext should have failed\n");
      }
      memset(m2, 0, sizeof m2);
      crypto_box_detached(c, mac, m, (unsigned long long) mlen,
                          nonce, alicepk, bobsk);
      crypto_box_open_detached(m2, c, mac, (unsigned long long) mlen,
                               nonce, bobpk, alicesk);
      printf("%d\n", memcmp(m, m2, mlen));
  
      memset(m2, 0, sizeof m2);
      crypto_box_detached_afternm(c, mac, m, (unsigned long long) mlen,
                                  nonce, k1);
      crypto_box_open_detached_afternm(m2, c, mac, (unsigned long long) mlen,
                                       nonce, k2);
      printf("%d\n", memcmp(m, m2, mlen));
  
      sodium_free(alicepk);
      sodium_free(alicesk);
      sodium_free(bobpk);
      sodium_free(bobsk);
      sodium_free(mac);
      sodium_free(nonce);
      sodium_free(k1);
      sodium_free(k2);
      printf("OK\n");
  
      return 0;
  }
  