<s>
OpenSC	B-Application
is	O
a	O
set	O
of	O
software	O
tools	O
and	O
libraries	O
to	O
work	O
with	O
smart	O
cards	O
,	O
with	O
the	O
focus	O
on	O
smart	O
cards	O
with	O
cryptographic	O
capabilities	O
.	O
</s>
<s>
OpenSC	B-Application
facilitate	O
the	O
use	O
of	O
smart	O
cards	O
in	O
security	O
applications	O
such	O
as	O
authentication	O
,	O
encryption	O
and	O
digital	O
signatures	O
.	O
</s>
<s>
OpenSC	B-Application
implements	O
the	O
PKCS	O
#15	O
standard	O
and	O
the	O
PKCS	O
#11	O
API	B-General_Concept
.	O
</s>
<s>
For	O
its	O
reader	O
backend	O
OpenSC	B-Application
can	O
use	O
either	O
CT-API	O
or	O
PC/SC	O
.	O
</s>
<s>
It	O
also	O
provides	O
some	O
support	O
for	O
Common	O
Data	O
Security	O
Architecture	O
(	O
CDSA	O
)	O
on	O
macOS	B-Application
and	O
Microsoft	O
CryptoAPI	O
on	O
Windows	B-Application
,	O
but	O
it	O
is	O
still	O
work	O
in	O
progress	O
.	O
</s>
