error 0
 crypto_aead_encrypt returns more than crypto_aead_ABYTES extra bytes
 ==5927== Memcheck, a memory error detector
 ==5927== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==5927== Using Valgrind-3.15.0.GIT and LibVEX; rerun with -h for copyright info
 ==5927== Command: ./try
 ==5927==
 ==5927==
 ==5927== HEAP SUMMARY:
 ==5927==     in use at exit: 200,704 bytes in 16 blocks
 ==5927==   total heap usage: 22 allocs, 6 frees, 214,648 bytes allocated
 ==5927==
 ==5927== LEAK SUMMARY:
 ==5927==    definitely lost: 0 bytes in 0 blocks
 ==5927==    indirectly lost: 0 bytes in 0 blocks
 ==5927==      possibly lost: 200,704 bytes in 16 blocks
 ==5927==    still reachable: 0 bytes in 0 blocks
 ==5927==         suppressed: 0 bytes in 0 blocks
 ==5927== Rerun with --leak-check=full to see details of leaked memory
 ==5927==
 ==5927== For lists of detected and suppressed errors, rerun with: -s
 ==5927== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)