<s>
Chiasmus	B-Algorithm
is	O
a	O
secret	O
German	O
government	O
block	O
cipher	O
that	O
was	O
leaked	O
by	O
reverse	O
engineering	O
.	O
</s>
<s>
Chiasmus	B-Algorithm
seems	O
to	O
be	O
resistant	O
against	O
the	O
most	O
common	O
cryptographic	O
attacks	O
(	O
linear	O
and	O
differential	O
cryptanalysis	O
)	O
,	O
but	O
a	O
lot	O
slower	O
than	O
the	O
openly	O
available	O
state	O
of	O
the	O
art	O
ciphers	O
such	O
as	O
AES	B-Algorithm
.	O
</s>
