<s>
The	O
IBM	B-Device
4765	I-Device
PCIe	O
Cryptographic	O
Coprocessor	O
is	O
a	O
hardware	O
security	O
module	O
(	O
HSM	O
)	O
that	O
includes	O
a	O
secure	O
cryptoprocessor	O
implemented	O
on	O
a	O
high-security	O
,	O
tamper	O
resistant	O
,	O
programmable	O
PCIe	O
board	O
.	O
</s>
<s>
Specialized	O
cryptographic	O
electronics	O
,	O
microprocessor	B-Architecture
,	O
memory	B-Architecture
,	O
and	O
random	O
number	O
generator	O
housed	O
within	O
a	O
tamper-responding	O
environment	O
provide	O
a	O
highly	O
secure	O
subsystem	O
in	O
which	O
data	B-General_Concept
processing	I-General_Concept
and	O
cryptography	O
can	O
be	O
performed	O
.	O
</s>
<s>
The	O
IBM	B-Device
4765	I-Device
is	O
validated	O
to	O
FIPS	O
PUB	O
140-2	O
Level	O
4	O
,	O
the	O
highest	O
level	O
of	O
certification	O
achievable	O
for	O
commercial	O
cryptographic	O
devices	O
.	O
</s>
<s>
The	O
IBM	B-Device
4765	I-Device
data	O
sheet	O
describes	O
the	O
coprocessor	O
in	O
detail	O
.	O
</s>
<s>
Applications	O
may	O
include	O
financial	O
PIN	O
transactions	O
,	O
bank-to-clearing-house	O
transactions	O
,	O
EMV	O
transactions	O
for	O
integrated	O
circuit	O
(	O
chip	O
)	O
based	O
credit	O
cards	O
,	O
and	O
general-purpose	O
cryptographic	O
applications	O
using	O
symmetric	B-Algorithm
key	I-Algorithm
algorithms	I-Algorithm
,	O
hashing	B-Algorithm
algorithms	O
,	O
and	O
public	B-Application
key	I-Application
algorithms	I-Application
.	O
</s>
<s>
The	O
operational	O
keys	O
(	O
symmetric	O
or	O
RSA	O
private	O
)	O
are	O
generated	O
in	O
the	O
coprocessor	O
and	O
are	O
then	O
saved	O
either	O
in	O
a	O
keystore	O
file	O
or	O
in	O
application	O
memory	B-Architecture
,	O
encrypted	O
under	O
the	O
master	O
key	O
of	O
that	O
coprocessor	O
.	O
</s>
<s>
IBM	O
supports	O
the	O
4765	O
on	O
IBM	B-Device
Z	I-Device
,	O
IBM	B-Device
POWER	I-Device
Systems	I-Device
,	O
and	O
IBM-approved	O
x86	O
servers	O
(	O
Linux	B-Application
or	O
Microsoft	B-Application
Windows	I-Application
)	O
.	O
</s>
<s>
As	O
of	O
May	O
2011	O
,	O
the	O
IBM	B-Device
4765	I-Device
superseded	O
the	O
IBM	B-Device
4764	I-Device
that	O
was	O
discontinued	O
.	O
</s>
<s>
The	O
IBM	B-Device
4765	I-Device
has	O
been	O
discontinued	O
on	O
all	O
platforms	O
.	O
</s>
