How do I crack substr hash?

[epixoip]

Worked on this a little bit more and came up with another version that is ~ 45% faster, still without using SIMD.

http://bindshell.nl/pub/md5substr_mt2.c

Code:

epixoip@db:~$ ./md5substr2 aaaaaaaa Using 16 threads. Elapsed: 12s Progress: 1482700000/377149515625 (0.4%), Speed: 123.6 M/s aaaaaaaa:8*pU]] epixoip@db:~$ ./md5substr2 deadbeef Using 16 threads. Elapsed: 27s Progress: 3336900000/377149515625 (0.9%), Speed: 123.6 M/s deadbeef:L,ud<P epixoip@db:~$ ./md5substr2 deadface Using 16 threads. Elapsed: 26s Progress: 3212500000/377149515625 (0.9%), Speed: 123.6 M/s deadface:V,l?,E epixoip@db:~$ ./md5substr2 deadfa11 Using 16 threads. Elapsed: 27s Progress: 3335700000/377149515625 (0.9%), Speed: 123.5 M/s deadfa11:G,vzY; epixoip@db:~$ ./md5substr2 cafebabe Using 16 threads. Elapsed: 26s Progress: 3211900000/377149515625 (0.9%), Speed: 123.5 M/s cafebabe:t,gr>N epixoip@db:~$ ./md5substr2 ffffffff Using 16 threads. Elapsed: 32s Progress: 3953500000/377149515625 (1.0%), Speed: 123.5 M/s ffffffff:e-\1Go