<s>
In	O
cryptography	O
,	O
SEAL	B-Algorithm
(	O
Software-Optimized	O
Encryption	O
Algorithm	O
)	O
is	O
a	O
stream	B-Algorithm
cipher	I-Algorithm
optimised	O
for	O
machines	O
with	O
a	O
32-bit	O
word	O
size	O
and	O
plenty	O
of	O
RAM	B-Architecture
with	O
a	O
reported	O
performance	O
of	O
around	O
4	O
cycles	O
per	O
byte	O
.	O
</s>
<s>
SEAL	B-Algorithm
is	O
actually	O
a	O
pseudorandom	O
function	O
family	O
in	O
that	O
it	O
can	O
easily	O
generate	O
arbitrary	O
portions	O
of	O
the	O
keystream	B-Algorithm
without	O
having	O
to	O
start	O
from	O
the	O
beginning	O
.	O
</s>
<s>
SEAL	B-Algorithm
,	O
covered	O
by	O
two	O
patents	O
in	O
the	O
United	O
States	O
,	O
both	O
of	O
which	O
are	O
assigned	O
to	O
IBM	O
.	O
</s>
