error 0
 crypto_encrypt_open does not handle c=t overlap
 ==5978== Memcheck, a memory error detector
 ==5978== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==5978== Using Valgrind-3.15.0.GIT and LibVEX; rerun with -h for copyright info
 ==5978== Command: ./try
 ==5978==
 ==5978== Conditional jump or move depends on uninitialised value(s)
 ==5978==    at 0x4C32734: __memcmp_sse4_1 (vg_replace_strmem.c:1112)
 ==5978==    by 0x4017D9: test (try.c:151)
 ==5978==    by 0x401EB2: main (try-anything.c:295)
 ==5978==  Uninitialised value was created by a stack allocation
 ==5978==    at 0x403760: crypto_symenc_decrypt (crypto.c:76)
 ==5978==
 ==5978==
 ==5978== HEAP SUMMARY:
 ==5978==     in use at exit: 11,266,992 bytes in 12 blocks
 ==5978==   total heap usage: 2,118 allocs, 2,106 frees, 11,375,744 bytes allocated
 ==5978==
 ==5978== LEAK SUMMARY:
 ==5978==    definitely lost: 0 bytes in 0 blocks
 ==5978==    indirectly lost: 0 bytes in 0 blocks
 ==5978==      possibly lost: 11,266,560 bytes in 10 blocks
 ==5978==    still reachable: 432 bytes in 2 blocks
 ==5978==         suppressed: 0 bytes in 0 blocks
 ==5978== Rerun with --leak-check=full to see details of leaked memory
 ==5978==
 ==5978== For lists of detected and suppressed errors, rerun with: -s
 ==5978== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)