<s>
The	O
Data	B-Algorithm
Authentication	I-Algorithm
Algorithm	I-Algorithm
(	O
DAA	O
)	O
is	O
a	O
former	O
U.S.	O
government	O
standard	O
for	O
producing	O
cryptographic	O
message	B-Algorithm
authentication	I-Algorithm
codes	I-Algorithm
.	O
</s>
<s>
DAA	O
is	O
defined	O
in	O
FIPS	B-Algorithm
PUB	I-Algorithm
113	I-Algorithm
,	O
which	O
was	O
withdrawn	O
on	O
September	O
1	O
,	O
2008	O
.	O
</s>
<s>
According	O
to	O
the	O
standard	O
,	O
a	O
code	O
produced	O
by	O
the	O
DAA	O
is	O
called	O
a	O
Data	B-Algorithm
Authentication	I-Algorithm
Code	I-Algorithm
(	O
DAC	O
)	O
.	O
</s>
<s>
The	O
DAA	O
is	O
equivalent	O
to	O
ISO/IEC	B-Algorithm
9797-1	I-Algorithm
MAC	O
algorithm	O
1	O
,	O
or	O
CBC-MAC	B-Algorithm
,	O
with	O
DES	B-Algorithm
as	O
the	O
underlying	O
cipher	O
,	O
truncated	O
to	O
between	O
24	O
and	O
56	O
bits	O
(	O
inclusive	O
)	O
.	O
</s>
