<s>
Crypton	B-Language
is	O
a	O
JavaScript	B-Language
library	I-Language
that	O
allows	O
one	O
to	O
write	O
web	B-Application
applications	I-Application
where	O
the	O
server	O
knows	O
nothing	O
of	O
the	O
contents	O
a	O
user	O
is	O
storing	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
encrypt	O
data	O
inside	O
a	O
JavaScript	B-Language
context	O
(	O
either	O
a	O
browser	B-Protocol
extension	I-Protocol
,	O
mobile	B-Application
application	I-Application
,	O
or	O
WebKit-based	O
desktop	B-Application
application	I-Application
)	O
.	O
</s>
<s>
Crypton	B-Language
was	O
created	O
by	O
SpiderOak	B-Operating_System
,	O
also	O
known	O
for	O
their	O
encrypted	O
backup	O
product	O
,	O
who	O
were	O
looking	O
for	O
a	O
way	O
for	O
data	O
to	O
be	O
securely	O
encrypted	O
without	O
the	O
need	O
for	O
users	O
to	O
download	O
a	O
separate	O
program	O
.	O
</s>
