<s>
The	O
IBM	B-Device
4758	I-Device
PCI	B-Protocol
Cryptographic	O
Coprocessor	O
is	O
a	O
secure	O
cryptoprocessor	O
implemented	O
on	O
a	O
high-security	O
,	O
tamper	O
resistant	O
,	O
programmable	O
PCI	B-Protocol
expansion	B-Device
card	I-Device
.	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>
As	O
of	O
June	O
2005	O
,	O
the	O
4758	B-Device
was	O
discontinued	O
and	O
was	O
replaced	O
by	O
an	O
improved	O
,	O
faster	O
model	O
called	O
the	O
IBM	B-Device
4764	I-Device
.	O
</s>
