<s>
Hashcat	B-Application
is	O
a	O
password	O
recovery	O
tool	O
.	O
</s>
<s>
Examples	O
of	O
hashcat-supported	O
hashing	O
algorithms	O
are	O
LM	O
hashes	O
,	O
MD4	B-Algorithm
,	O
MD5	B-Algorithm
,	O
SHA-family	B-Algorithm
and	O
Unix	O
Crypt	O
formats	O
as	O
well	O
as	O
algorithms	O
used	O
in	O
MySQL	B-Application
and	O
Cisco	B-Device
PIX	I-Device
.	O
</s>
<s>
Hashcat	B-Application
has	O
been	O
publicly	O
noticed	O
because	O
of	O
its	O
optimizations	O
;	O
partly	O
based	O
on	O
flaws	O
in	O
other	O
software	O
discovered	O
by	O
the	O
creator	O
of	O
hashcat	B-Application
.	O
</s>
<s>
An	O
example	O
was	O
a	O
flaw	O
in	O
1Password	B-Operating_System
's	O
password	O
manager	O
hashing	O
scheme	O
.	O
</s>
<s>
It	O
has	O
also	O
been	O
compared	O
to	O
similar	O
software	O
in	O
a	O
Usenix	B-Operating_System
publication	O
and	O
been	O
described	O
on	O
Ars	O
technica	O
.	O
</s>
<s>
Previously	O
,	O
two	O
variants	O
of	O
hashcat	B-Application
existed	O
:	O
</s>
<s>
With	O
the	O
release	O
of	O
hashcat	B-Application
v3.00	O
,	O
the	O
GPU	O
and	O
CPU	O
tools	O
were	O
merged	O
into	O
a	O
single	O
tool	O
called	O
hashcat	B-Application
.	O
</s>
<s>
The	O
CPU-only	O
version	O
became	O
hashcat-legacy	O
.	O
</s>
<s>
Both	O
CPU	O
and	O
GPU	O
now	O
require	O
OpenCL	B-Application
.	O
</s>
<s>
Many	O
of	O
the	O
algorithms	O
supported	O
by	O
hashcat-legacy	O
(	O
such	O
as	O
MD5	B-Algorithm
,	O
SHA1	B-Algorithm
,	O
and	O
others	O
)	O
can	O
be	O
cracked	O
in	O
a	O
shorter	O
time	O
with	O
the	O
GPU-based	O
hashcat	B-Application
.	O
</s>
<s>
Bcrypt	B-Algorithm
is	O
an	O
example	O
of	O
this	O
.	O
</s>
<s>
Due	O
to	O
factors	O
such	O
as	O
data-dependent	O
branching	O
,	O
serialization	O
,	O
and	O
memory	O
(	O
and	O
more	O
)	O
,	O
oclHashcat/cudaHashcat	O
were	O
n't	O
catchall	O
replacements	O
for	O
hashcat-legacy	O
.	O
</s>
<s>
hashcat-legacy	O
is	O
available	O
for	O
Linux	O
,	O
OSX	O
and	O
Windows	O
.	O
</s>
<s>
hashcat	B-Application
is	O
available	O
for	O
macOS	O
,	O
Windows	O
,	O
and	O
Linux	O
with	O
GPU	O
,	O
CPU	O
and	O
generic	O
OpenCL	B-Application
support	O
which	O
allows	O
for	O
FPGAs	O
and	O
other	O
accelerator	O
cards	O
.	O
</s>
<s>
Hashcat	B-Application
offers	O
multiple	O
attack	O
modes	O
for	O
obtaining	O
effective	O
and	O
complex	O
coverage	O
over	O
a	O
hash	O
's	O
keyspace	O
.	O
</s>
<s>
The	O
traditional	O
bruteforce	O
attack	O
is	O
considered	O
outdated	O
,	O
and	O
the	O
Hashcat	B-Application
core	O
team	O
recommends	O
the	O
Mask-Attack	O
as	O
a	O
full	O
replacement	O
.	O
</s>
<s>
Team	O
Hashcat	B-Application
(	O
the	O
official	O
team	O
of	O
the	O
Hashcat	B-Application
software	O
composed	O
of	O
core	O
Hashcat	B-Application
members	O
)	O
won	O
first	O
place	O
in	O
the	O
KoreLogic	O
"	O
Crack	O
Me	O
If	O
you	O
Can	O
"	O
Competitions	O
at	O
DefCon	O
in	O
2010	O
,	O
2012	O
,	O
2014	O
,	O
2015	O
,	O
and	O
2018	O
,	O
and	O
at	O
DerbyCon	O
in	O
2017	O
.	O
</s>
