<s>
The	O
SafetyNet	B-Application
API	I-Application
consists	O
of	O
several	O
application	B-Application
programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
offered	O
by	O
the	O
Google	B-Application
Play	I-Application
Services	I-Application
to	O
support	O
security	O
sensitive	O
applications	O
,	O
such	O
as	O
DRM	O
.	O
</s>
<s>
Currently	O
,	O
these	O
APIs	B-Application
include	O
device	O
integrity	O
verification	O
,	O
app	O
verification	O
,	O
recaptcha	O
and	O
web	O
address	O
verification	O
.	O
</s>
<s>
The	O
SafetyNet	O
Attestation	O
API	B-Application
,	O
one	O
of	O
the	O
APIs	B-Application
under	O
the	O
SafetyNet	O
umbrella	O
,	O
provides	O
verification	O
that	O
the	O
integrity	O
of	O
the	O
device	O
is	O
not	O
compromised	O
.	O
</s>
<s>
In	O
practice	O
,	O
non-official	O
ROMs	O
such	O
as	O
LineageOS	B-Application
fail	O
the	O
hardware	O
attestation	O
and	O
thus	O
restrict	O
the	O
user	O
from	O
enjoying	O
a	O
pure	O
Android	O
implementation	O
(	O
without	O
the	O
Google	O
Services	O
)	O
while	O
being	O
able	O
to	O
use	O
third-party	O
apps	O
(	O
mainly	O
banking	O
)	O
.	O
</s>
<s>
Due	O
to	O
this	O
,	O
some	O
consider	O
this	O
a	O
monopolistic	O
practice	O
deterring	O
the	O
entrance	O
of	O
competing	O
mobile	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
in	O
the	O
market	O
.	O
</s>
<s>
The	O
SafetyNet	O
Attestation	O
API	B-Application
(	O
one	O
of	O
the	O
four	O
APIs	B-Application
under	O
the	O
SafetyNet	O
umbrella	O
)	O
has	O
been	O
deprecated	O
and	O
will	O
be	O
replaced	O
by	O
the	O
Play	O
Integrity	O
API	B-Application
soon	O
.	O
</s>
<s>
Like	O
the	O
SafetyNet	B-Application
APIs	I-Application
,	O
the	O
Play	O
Integrity	O
API	B-Application
is	O
offered	O
by	O
Google	O
Services	O
and	O
thus	O
is	O
not	O
available	O
on	O
free	O
Android	O
environments	O
(	O
AOSP	O
)	O
.	O
</s>
<s>
Therefore	O
,	O
apps	O
that	O
require	O
the	O
API	B-Application
to	O
be	O
available	O
may	O
refuse	O
to	O
execute	O
on	O
AOSP	O
builds	O
.	O
</s>
