<s>
In	O
cryptography	O
,	O
MMB	B-Algorithm
(	O
Modular	O
Multiplication-based	O
Block	O
cipher	O
)	O
is	O
a	O
block	O
cipher	O
designed	O
by	O
Joan	O
Daemen	O
as	O
an	O
improved	O
replacement	O
for	O
the	O
IDEA	B-Algorithm
cipher	I-Algorithm
.	O
</s>
<s>
Weaknesses	O
in	O
the	O
key	B-Algorithm
schedule	I-Algorithm
were	O
identified	O
by	O
Eli	O
Biham	O
,	O
and	O
this	O
,	O
together	O
with	O
the	O
cipher	O
's	O
not	O
having	O
been	O
designed	O
to	O
resist	O
linear	O
cryptanalysis	O
,	O
meant	O
that	O
other	O
designs	O
were	O
pursued	O
instead	O
,	O
such	O
as	O
3-Way	B-Algorithm
.	O
</s>
<s>
MMB	B-Algorithm
has	O
a	O
key	O
size	O
and	O
block	O
size	O
of	O
128	O
bits	O
.	O
</s>
