<s>
In	O
computing	O
,	O
the	O
Java	B-Language
Cryptography	I-Language
Architecture	I-Language
(	O
JCA	O
)	O
is	O
a	O
framework	B-Architecture
for	O
working	O
with	O
cryptography	O
using	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
It	O
forms	O
part	O
of	O
the	O
Java	B-Language
security	O
API	O
,	O
and	O
was	O
first	O
introduced	O
in	O
JDK	B-Language
1.1	O
in	O
the	O
package	O
.	O
</s>
<s>
The	O
JCA	O
uses	O
a	O
"	O
provider	O
"	O
-based	O
architecture	O
and	O
contains	O
a	O
set	O
of	O
APIs	O
for	O
various	O
purposes	O
,	O
such	O
as	O
encryption	O
,	O
key	O
generation	O
and	O
management	O
,	O
secure	B-Algorithm
random-number	I-Algorithm
generation	I-Algorithm
,	O
certificate	O
validation	O
,	O
etc	O
.	O
</s>
