<s>
MIME	B-Protocol
Object	I-Protocol
Security	I-Protocol
Services	I-Protocol
(	O
MOSS	O
)	O
is	O
a	O
protocol	O
that	O
uses	O
the	O
multipart/signed	O
and	O
multipart/encrypted	O
framework	O
to	O
apply	O
digital	O
signature	O
and	O
encryption	O
services	O
to	O
MIME	B-Protocol
objects	O
.	O
</s>
<s>
The	O
services	O
are	O
offered	O
through	O
the	O
use	O
of	O
end-to-end	O
cryptography	O
between	O
an	O
originator	O
and	O
a	O
recipient	O
at	O
the	O
application	B-Application
layer	I-Application
.	O
</s>
