<s>
The	O
Open	B-Operating_System
Computer	I-Operating_System
Forensics	I-Operating_System
Architecture	I-Operating_System
(	O
OCFA	O
)	O
is	O
a	O
distributed	B-Architecture
open-source	B-Application
computer	O
forensics	O
framework	O
used	O
to	O
analyze	O
digital	O
media	O
within	O
a	O
digital	O
forensics	O
laboratory	O
environment	O
.	O
</s>
<s>
OCFA	O
consists	O
of	O
a	O
back	B-Architecture
end	I-Architecture
for	O
the	O
Linux	B-Application
platform	O
,	O
it	O
uses	O
a	O
PostgreSQL	B-Application
database	O
for	O
data	O
storage	O
,	O
a	O
custom	O
Content-addressable	B-Data_Structure
storage	I-Data_Structure
or	O
CarvFS	O
based	O
data	O
repository	O
and	O
a	O
Lucene	B-Language
index	O
.	O
</s>
<s>
The	O
front	B-General_Concept
end	I-General_Concept
for	O
OCFA	O
has	O
not	O
been	O
made	O
publicly	O
available	O
due	O
to	O
licensing	O
issues	O
.	O
</s>
<s>
The	O
framework	O
integrates	O
with	O
other	O
open	O
source	O
forensic	O
tools	O
and	O
includes	O
modules	O
for	O
The	B-Application
Sleuth	I-Application
Kit	I-Application
,	O
Scalpel	O
,	O
Photorec	O
,	O
libmagic	O
,	O
GNU	B-Application
Privacy	I-Application
Guard	I-Application
,	O
objdump	B-Device
,	O
exiftags	O
,	O
zip	O
,	O
7-zip	B-Language
,	O
tar	B-Application
,	O
gzip	B-Application
,	O
bzip2	B-Application
,	O
rar	O
,	O
antiword	B-Operating_System
,	O
qemu-img	O
,	O
and	O
mbx2mbox	O
.	O
</s>
<s>
OCFA	O
is	O
extensible	O
in	O
C++	B-Language
or	O
Java	B-Language
.	O
</s>
