<s>
Bring	B-General_Concept
your	I-General_Concept
own	I-General_Concept
encryption	I-General_Concept
(	O
BYOE	O
)	O
also	O
known	O
as	O
bring	B-General_Concept
your	I-General_Concept
own	I-General_Concept
key	I-General_Concept
(	O
BYOK	B-General_Concept
)	O
is	O
a	O
cloud	B-General_Concept
computing	I-General_Concept
security	I-General_Concept
marketing	O
model	O
that	O
aims	O
to	O
help	O
cloud	O
service	O
customers	O
to	O
use	O
their	O
own	O
encryption	O
software	O
and	O
manage	O
their	O
own	O
encryption	O
keys	O
.	O
</s>
<s>
The	O
business	O
applications	O
hosted	O
is	O
then	O
set	O
up	O
such	O
that	O
all	O
its	O
data	O
will	O
be	O
processed	O
by	O
the	O
encryption	O
software	O
,	O
which	O
then	O
writes	O
the	O
ciphertext	O
version	O
of	O
the	O
data	O
to	O
the	O
cloud	O
service	O
provider	O
's	O
physical	O
data	B-General_Concept
store	I-General_Concept
,	O
and	O
readily	O
decrypts	O
ciphertext	O
data	O
upon	O
retrieval	O
requests	O
.	O
</s>
