<s>
HAS-160	B-Algorithm
is	O
a	O
cryptographic	B-Algorithm
hash	I-Algorithm
function	I-Algorithm
designed	O
for	O
use	O
with	O
the	O
Korean	O
KCDSA	B-Algorithm
digital	O
signature	O
algorithm	O
.	O
</s>
<s>
It	O
is	O
derived	O
from	O
SHA-1	B-Algorithm
,	O
with	O
assorted	O
changes	O
intended	O
to	O
increase	O
its	O
security	O
.	O
</s>
<s>
HAS-160	B-Algorithm
is	O
used	O
in	O
the	O
same	O
way	O
as	O
SHA-1	B-Algorithm
.	O
</s>
<s>
A	O
digest	O
function	O
updates	O
the	O
intermediate	O
hash	B-Algorithm
value	O
by	O
processing	O
the	O
input	O
blocks	O
in	O
turn	O
.	O
</s>
<s>
The	O
message	B-Algorithm
digest	I-Algorithm
algorithm	O
consists	O
of	O
80	O
rounds	O
.	O
</s>
