<s>
In	O
cryptography	O
,	O
Mir-1	B-Algorithm
is	O
a	O
software-oriented	O
stream	B-Algorithm
cypher	I-Algorithm
algorithm	O
developed	O
by	O
Alexander	O
Maximov	O
.	O
</s>
<s>
Mir-1	B-Algorithm
is	O
named	O
after	O
the	O
Russian	O
space	O
station	O
Mir	B-Device
.	O
</s>
<s>
Mir-1	B-Algorithm
uses	O
a	O
multiword	O
T-function	O
with	O
four	O
64-bit	O
words	O
.	O
</s>
<s>
The	O
designer	O
claimed	O
that	O
Mir-1	B-Algorithm
had	O
a	O
security	O
level	O
of	O
2128	O
,	O
i.e.	O
,	O
that	O
it	O
could	O
not	O
be	O
"	O
broken	O
"	O
faster	O
than	O
an	O
exhaustive	O
search	O
.	O
</s>
<s>
At	O
SASC	O
2006	O
,	O
a	O
successful	O
key-recovery	O
attack	O
on	O
Mir-1	B-Algorithm
was	O
shown	O
.	O
</s>
