<s>
Integrity-aware	O
parallelizable	O
mode	O
(	O
IAPM	B-Algorithm
)	O
is	O
a	O
mode	B-Algorithm
of	I-Algorithm
operation	I-Algorithm
for	O
cryptographic	O
block	O
ciphers	O
.	O
</s>
<s>
As	O
its	O
name	O
implies	O
,	O
it	O
allows	O
for	O
a	O
parallel	O
mode	B-Algorithm
of	I-Algorithm
operation	I-Algorithm
for	O
higher	O
throughput	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
its	O
creation	O
,	O
IAPM	B-Algorithm
was	O
one	O
of	O
the	O
first	O
cipher	B-Algorithm
modes	I-Algorithm
to	O
provide	O
both	O
authentication	O
and	O
privacy	O
in	O
a	O
single	O
pass	O
.	O
</s>
<s>
(	O
In	O
earlier	O
authenticated	B-Algorithm
encryption	I-Algorithm
designs	O
,	O
two	O
passes	O
would	O
be	O
required	O
to	O
:	O
one	O
to	O
encrypt	O
,	O
and	O
the	O
second	O
to	O
compute	O
a	O
MAC	B-Algorithm
.	O
)	O
</s>
<s>
IAPM	B-Algorithm
was	O
proposed	O
for	O
use	O
in	O
IPsec	B-Protocol
.	O
</s>
<s>
Other	O
AEAD	B-Algorithm
schemes	O
also	O
provide	O
all	O
of	O
the	O
single	O
pass	O
,	O
privacy	O
and	O
authentication	O
properties	O
.	O
</s>
<s>
IAPM	B-Algorithm
has	O
mostly	O
been	O
supplanted	O
by	O
Galois/counter	B-Algorithm
mode	I-Algorithm
.	O
</s>
