<s>
In	O
cryptography	O
,	O
MAGENTA	B-Algorithm
is	O
a	O
symmetric	B-Algorithm
key	I-Algorithm
block	O
cipher	O
developed	O
by	O
Michael	O
Jacobson	O
Jr.	O
and	O
Klaus	O
Huber	O
for	O
Deutsche	O
Telekom	O
.	O
</s>
<s>
The	O
name	O
MAGENTA	B-Algorithm
is	O
an	O
acronym	O
for	O
Multifunctional	O
Algorithm	O
for	O
General-purpose	O
Encryption	O
and	O
Network	O
Telecommunication	O
Applications	O
.	O
</s>
<s>
(	O
The	O
color	O
magenta	B-Algorithm
is	O
also	O
part	O
of	O
the	O
corporate	O
identity	O
of	O
Deutsche	O
Telekom	O
.	O
)	O
</s>
<s>
MAGENTA	B-Algorithm
has	O
a	O
block	O
size	O
of	O
128	O
bits	O
and	O
key	O
sizes	O
of	O
128	O
,	O
192	O
and	O
256	O
bits	O
.	O
</s>
<s>
It	O
is	O
a	O
Feistel	B-Algorithm
cipher	I-Algorithm
with	O
six	O
or	O
eight	O
rounds	O
.	O
</s>
