error 0
 c456ed48460027d91c724ae4e55b0e284cac8c1e8d1a8424097a47a0afa2ec84 3665799 99123583 4300000000 crypto_hash/md6d256/ref 
 ==15976== Memcheck, a memory error detector
 ==15976== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==15976== Using Valgrind-3.15.0.GIT and LibVEX; rerun with -h for copyright info
 ==15976== Command: ./try
 ==15976==
 ==15976== Use of uninitialised value of size 8
 ==15976==    at 0x4021A9: md6_compute_hex_hashval (md6_mode.c:720)
 ==15976==    by 0x4023C1: md6_final (md6_mode.c:803)
 ==15976==    by 0x401947: Hash (md6_nist.c:93)
 ==15976==    by 0x4018B4: crypto_hash_md6d256_ref (hash.c:9)
 ==15976==    by 0x400D05: timecop_doit (try.c:69)
 ==15976==    by 0x401590: main (try-anything.c:306)
 ==15976==  Uninitialised value was created by a client request
 ==15976==    at 0x400CF7: timecop_doit (try.c:68)
 ==15976==    by 0x401590: main (try-anything.c:306)
 ==15976==
 ==15976== Use of uninitialised value of size 8
 ==15976==    at 0x4021BB: md6_compute_hex_hashval (md6_mode.c:722)
 ==15976==    by 0x4023C1: md6_final (md6_mode.c:803)
 ==15976==    by 0x401947: Hash (md6_nist.c:93)
 ==15976==    by 0x4018B4: crypto_hash_md6d256_ref (hash.c:9)
 ==15976==    by 0x400D05: timecop_doit (try.c:69)
 ==15976==    by 0x401590: main (try-anything.c:306)
 ==15976==  Uninitialised value was created by a client request
 ==15976==    at 0x400CF7: timecop_doit (try.c:68)
 ==15976==    by 0x401590: main (try-anything.c:306)
 ==15976==
 ==15976==
 ==15976== HEAP SUMMARY:
 ==15976==     in use at exit: 17,408 bytes in 4 blocks
 ==15976==   total heap usage: 10 allocs, 6 frees, 31,352 bytes allocated
 ==15976==
 ==15976== LEAK SUMMARY:
 ==15976==    definitely lost: 0 bytes in 0 blocks
 ==15976==    indirectly lost: 0 bytes in 0 blocks
 ==15976==      possibly lost: 17,408 bytes in 4 blocks
 ==15976==    still reachable: 0 bytes in 0 blocks
 ==15976==         suppressed: 0 bytes in 0 blocks
 ==15976== Rerun with --leak-check=full to see details of leaked memory
 ==15976==
 ==15976== For lists of detected and suppressed errors, rerun with: -s
 ==15976== ERROR SUMMARY: 128 errors from 2 contexts (suppressed: 0 from 0)