<s>
The	O
Pike	B-Algorithm
stream	B-Algorithm
cipher	I-Algorithm
was	O
invented	O
by	O
Ross	O
Anderson	O
to	O
be	O
a	O
"	O
leaner	O
and	O
meaner	O
"	O
version	O
of	O
FISH	B-Algorithm
after	O
he	O
broke	O
FISH	B-Algorithm
in	O
1994	O
.	O
</s>
<s>
Its	O
name	O
is	O
supposed	O
to	O
be	O
a	O
humorous	O
allusion	O
to	O
the	O
pike	B-Algorithm
fish	B-Algorithm
.	O
</s>
<s>
The	O
cipher	O
combines	O
ideas	O
from	O
A5	B-Algorithm
with	O
the	O
lagged	B-Algorithm
Fibonacci	I-Algorithm
generators	I-Algorithm
used	O
in	O
FISH	B-Algorithm
.	O
</s>
<s>
It	O
is	O
about	O
10%	O
faster	O
than	O
FISH	B-Algorithm
,	O
yet	O
believed	O
to	O
be	O
much	O
stronger	O
.	O
</s>
