I
nte
rna
t
io
na
l J
o
urna
l o
f
E
lect
rica
l a
nd
Co
m
p
ute
r
E
ng
in
ee
ring
(
I
J
E
CE
)
Vo
l.
8
,
No
.
5
,
Octo
b
e
r
2
0
1
8
,
p
p
.
3
9
9
1
~4
0
0
3
I
SS
N:
2
0
8
8
-
8708
,
DOI
: 1
0
.
1
1
5
9
1
/
i
j
ec
e
.
v8
i
5
.
p
p
3
9
9
1
-
4003
3991
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ia
e
s
co
r
e
.
co
m/
jo
u
r
n
a
ls
/in
d
ex
.
p
h
p
/
I
JE
C
E
Forens
ic To
o
ls
Pe
rfor
m
a
n
ce A
na
ly
sis
on
Andro
id
-
b
a
sed
Bla
ck
be
rry M
ess
eng
er
u
sing
NIST
Mea
sure
m
ents
I
m
a
m
Ria
di
1
,
R
us
y
di U
m
a
r
2
,
Ariz
o
na
F
irdo
ns
y
a
h
3
1
De
p
a
rt
m
e
n
t
o
f
In
f
o
rm
a
ti
o
n
S
y
ste
m
s
,
Un
iv
e
rsitas
A
h
m
a
d
Da
h
lan
,
I
n
d
o
n
e
sia
2,
3
De
p
a
rt
m
e
n
t
o
f
In
f
o
r
m
a
ti
c
s
,
Un
iv
e
rs
it
a
s
A
h
m
a
d
Da
h
lan
,
In
d
o
n
e
si
a
Art
icle
I
nfo
AB
ST
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Ma
y
1
5
,
2
0
1
8
R
ev
i
s
ed
J
u
l
2
5
,
2
0
1
8
A
cc
ep
ted
A
u
g
2
,
2
0
1
8
Blac
k
b
e
rr
y
M
e
ss
e
n
g
e
r
is
o
n
e
o
f
th
e
p
o
p
u
larly
u
se
d
in
sta
n
t
m
e
ss
a
g
in
g
a
p
p
li
c
a
ti
o
n
s
o
n
A
n
d
ro
id
w
it
h
u
se
r’s
a
m
o
u
n
t
th
a
t
in
c
re
a
se
sig
n
i
f
ica
n
tl
y
e
a
c
h
y
e
a
r.
T
h
e
in
c
re
a
se
o
ff
Blac
k
b
e
rr
y
M
e
ss
e
n
g
e
r
u
se
rs
m
i
g
h
t
lea
d
to
a
p
p
li
c
a
ti
o
n
m
isu
se
,
su
c
h
a
s
f
o
r
c
o
m
m
it
in
g
d
ig
it
a
l
c
rim
e
s.
T
o
c
o
n
d
u
c
t
i
n
v
e
stig
a
ti
o
n
in
v
o
lv
in
g
sm
a
rtp
h
o
n
e
d
e
v
ice
s,
th
e
in
v
e
stig
a
to
rs
n
e
e
d
to
u
se
f
o
re
n
sic
to
o
ls.
T
h
e
re
f
o
r
e
,
a
re
s
e
a
rc
h
o
n
c
u
rre
n
t
f
o
re
n
sic
to
o
l’s
p
e
rf
o
rm
a
n
c
e
in
o
rd
e
r
to
h
a
n
d
le
d
ig
it
a
l
c
rim
e
c
a
se
s
in
v
o
lv
in
g
A
n
d
ro
id
sm
a
rtp
h
o
n
e
s
a
n
d
Blac
k
b
e
rr
y
M
e
ss
e
n
g
e
r
in
p
a
rti
c
u
lar
n
e
e
d
t
o
b
e
d
o
n
e
.
T
h
is
re
se
a
rc
h
f
o
c
u
se
s
o
n
e
v
a
lu
a
ti
n
g
a
n
d
c
o
m
p
a
rin
g
th
re
e
f
o
re
n
sic
to
o
ls
to
o
b
ta
in
d
ig
it
a
l
e
v
id
e
n
c
e
f
ro
m
Blac
k
b
e
rr
y
M
e
ss
e
n
g
e
r
o
n
A
n
d
ro
id
sm
a
rtp
h
o
n
e
s
u
si
n
g
p
a
ra
m
e
ter
f
ro
m
N
a
ti
o
n
a
l
I
n
stit
u
te
o
f
S
tan
d
a
rd
T
e
c
h
n
o
lo
g
y
a
n
d
Blac
k
b
e
rr
y
M
e
ss
e
n
g
e
r’s
a
c
q
u
ired
d
ig
it
a
l
e
v
id
e
n
c
e
s.
T
h
e
re
su
lt
sh
o
w
s
th
a
t
f
ro
m
c
o
m
p
a
ra
ti
v
e
a
n
a
l
y
sis
c
o
n
d
u
c
ted
,
A
n
d
ril
ler
g
iv
e
s
25
%
p
e
rf
o
r
m
a
n
c
e
v
a
lu
e
,
Ox
y
g
e
n
F
o
re
n
sic
S
u
it
e
g
iv
e
s
1
0
0
%
p
e
rf
o
r
m
a
n
c
e
v
a
lu
e
,
a
n
d
A
u
to
p
sy
4
.
1
.
1
g
iv
e
s
0
%
p
e
rf
o
r
m
a
n
c
e
v
a
lu
e
.
Re
late
d
to
N
a
ti
o
n
a
l
I
n
stit
u
te
o
f
S
tan
d
a
rd
T
e
c
h
n
o
lo
g
y
p
a
ra
m
e
ter
c
rit
e
rias
,
A
n
d
ril
ler
h
a
s
p
e
rf
o
r
m
a
n
c
e
v
a
lu
e
o
f
4
7
.
6
1
%
.
Ox
y
g
e
n
F
o
re
n
sic
S
u
it
e
h
a
s
p
e
rf
o
r
m
a
n
c
e
v
a
lu
e
o
f
6
1
.
9
0
%
.
A
u
to
p
sy
4
.
1
.
1
h
a
s
p
e
rf
o
rm
a
n
c
e
v
a
lu
e
o
f
9
.
5
2
%
.
K
ey
w
o
r
d
:
B
lack
b
er
r
y
m
es
s
en
g
er
Dig
ital e
v
id
en
ce
F
o
r
en
s
ics
S
m
ar
tp
h
o
n
e
T
o
o
l
Co
p
y
rig
h
t
©
2
0
1
8
In
stit
u
te o
f
A
d
v
a
n
c
e
d
E
n
g
i
n
e
e
rin
g
a
n
d
S
c
ien
c
e
.
Al
l
rig
h
ts
re
se
rv
e
d
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
I
m
a
m
R
iad
i
,
Dep
ar
t
m
en
t o
f
I
n
f
o
r
m
ati
on
S
y
s
te
m
,
Un
i
v
er
s
ita
s
A
h
m
ad
Dah
lan
,
J
alan
P
r
o
f
.
D
r.
So
ep
o
m
o
,
S.H.
J
an
tu
r
an
,
W
ar
u
n
g
b
o
to
,
U
m
b
u
lh
ar
j
o
,
Ko
ta
Yo
g
y
a
k
ar
ta,
5
5
1
6
4
,
I
n
d
o
n
esia
.
E
m
ail:
i
m
a
m
.
r
iad
i@
i
s
.
u
ad
.
ac
.
i
d
1.
I
NT
RO
D
UCT
I
O
N
I
n
cr
ea
s
in
g
l
y
ad
v
a
n
c
ed
tec
h
n
o
lo
g
y
h
as
led
to
a
n
e
n
o
r
m
o
u
s
v
ar
iet
y
o
f
m
o
b
ile
-
b
ased
s
er
v
ice
s
,
p
ar
ticu
lar
l
y
m
o
b
ile
-
b
ased
s
er
v
ices
t
h
at
u
s
i
n
g
s
m
ar
tp
h
o
n
e
s
.
2
t
y
p
e
s
o
f
m
u
lti
-
u
s
er
m
o
b
ile
-
b
ased
s
er
v
ice
s
w
i
t
h
lo
ts
o
f
u
s
er
s
ar
e
p
er
s
o
n
al
clo
u
d
co
m
p
u
ti
n
g
an
d
in
s
tan
t
m
es
s
ag
in
g
.
C
lo
u
d
co
m
p
u
ti
n
g
is
a
t
ec
h
n
o
lo
g
y
s
er
v
ices
th
at
ar
e
o
f
f
er
ed
b
y
t
h
e
clo
u
d
s
er
v
ice
p
r
o
v
id
er
(
C
SP
)
,
am
o
n
g
o
th
er
t
y
p
es
o
f
d
ea
ls
p
lat
f
o
r
m
as
a
s
er
v
ice
(
P
aa
S),
in
f
r
astru
ct
u
r
e
a
s
a
s
er
v
ice
(
I
aa
S)
an
d
s
o
f
t
w
ar
e
a
s
a
s
er
v
ice
(
SaaS)
.
T
h
is
s
er
v
ice
p
r
o
v
id
es
a
w
id
e
r
a
n
g
e
o
f
f
ac
ilit
i
es
an
d
b
en
e
f
it
s
f
o
r
co
n
s
u
m
er
s
,
a
m
o
n
g
o
th
er
s
,
is
t
h
e
p
r
o
v
is
io
n
o
f
s
elf
-
s
er
v
ice,
elasticit
y
,
a
n
d
p
a
y
p
er
u
s
e
[
1
]
.
I
n
s
tan
t
m
es
s
ag
in
g
is
a
tech
n
o
lo
g
y
th
a
t
en
ab
les
r
ea
l
-
ti
m
e
te
x
t
-
b
a
s
ed
co
m
m
u
n
ic
atio
n
b
et
w
ee
n
t
w
o
o
r
m
o
r
e
p
ar
ticip
an
ts
t
h
at
u
til
izin
g
t
h
e
in
ter
n
et
o
r
i
n
tr
a
n
et.
A
s
er
v
er
t
h
at
p
r
o
v
id
es
m
es
s
ag
i
n
g
s
er
v
ices
i
s
co
m
m
o
n
l
y
ca
l
led
Me
s
s
e
n
g
er
[
2
]
.
An
d
r
o
id
b
ased
s
m
ar
tp
h
o
n
e
wh
ich
i
n
tr
o
d
u
ce
d
to
th
e
p
u
b
lic
in
2
0
0
5
h
as
b
ec
am
e
th
e
m
o
s
t
p
o
p
u
lar
o
p
er
atin
g
s
y
s
te
m
w
it
h
s
i
g
n
if
i
ca
n
tl
y
i
n
cr
ea
s
i
n
g
u
s
er
s
ea
c
h
y
ea
r
.
B
ased
o
n
s
u
r
v
e
y
r
ep
o
r
t
b
y
S
tatis
ta
[
3
]
,
in
2
0
1
3
,
o
v
er
9
6
7
m
illi
o
n
u
n
its
o
f
s
m
ar
tp
h
o
n
es
w
er
e
s
o
ld
to
co
n
s
u
m
er
s
w
o
r
ld
w
id
e
an
d
in
th
e
f
i
n
al
q
u
ar
ter
o
f
2
0
1
3
,
alm
o
s
t 7
8
% o
f
s
m
ar
tp
h
o
n
e
s
o
ld
is
An
d
r
o
id
b
ased
s
m
a
r
tp
h
o
n
es.
B
ased
o
n
u
n
it
s
h
ip
m
en
ts
o
f
th
e
s
e
s
m
ar
t
d
ev
ices,
A
n
d
r
o
id
’
s
m
ar
k
et
s
h
a
r
e
in
cr
ea
s
ed
s
ig
n
i
f
ica
n
tl
y
in
2
0
1
4
w
it
h
t
h
e
co
m
p
an
y
h
o
ld
i
n
g
o
v
er
8
0
p
er
ce
n
t
o
f
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
8
,
No
.
5
,
Octo
b
er
2
0
1
8
:
3
9
9
1
–
4
0
0
3
3992
th
e
g
lo
b
al
s
m
ar
tp
h
o
n
e
o
p
er
atin
g
s
y
s
te
m
m
ar
k
et
i
n
th
e
f
ir
s
t
q
u
ar
ter
o
f
2
0
1
4
,
an
d
as
s
h
o
w
n
o
n
Fi
g
u
r
e
1
,
in
2
0
1
7
,
1
.
3
2
b
illi
o
n
An
d
r
o
id
s
m
ar
tp
h
o
n
es
w
er
e
s
o
ld
ar
o
u
n
d
th
e
w
o
r
ld
.
Fig
u
r
e
1
.
Statis
tic
s
o
f
an
d
r
o
id
m
ar
k
et
s
h
ar
e
So
cial
n
et
w
o
r
k
,
o
r
I
n
s
ta
n
t
Me
s
s
a
g
in
g
ap
p
licatio
n
s
ar
e
b
ein
g
m
o
r
e
w
id
el
y
u
s
ed
a
m
o
n
g
u
s
e
r
s
an
d
n
e
w
t
y
p
es
o
f
s
u
c
h
ap
p
licatio
n
s
ar
e
cr
ea
ted
b
y
d
ev
elo
p
er
s
,
s
u
c
h
as
W
h
ats
A
p
p
,
Vib
er
,
Face
b
o
o
k
,
T
eleg
r
am
,
L
in
e,
W
eCh
at,
B
ee
tal
k
[
4
]
,
an
d
B
la
ck
b
er
r
y
Me
s
s
en
g
er
.
I
n
s
ta
n
t
m
ess
a
g
in
g
b
ec
a
m
e
o
n
e
o
f
th
e
p
o
p
u
lar
s
m
ar
tp
h
o
n
e
f
ea
t
u
r
e
w
it
h
m
o
r
e
t
h
a
n
1
.
4
b
illi
o
n
u
s
er
s
i
n
2
0
1
5
,
an
d
th
e
g
r
o
w
t
h
i
n
p
o
p
u
lar
it
y
o
f
m
es
s
a
g
i
n
g
ap
p
s
is
p
r
o
j
ec
ted
to
co
n
tin
u
e.
E
Ma
r
k
eter
,
an
in
d
ep
en
d
en
t
s
u
r
v
e
y
a
g
e
n
c
y
,
p
r
ed
icts
th
at
b
y
2
0
1
8
,
th
e
n
u
m
b
er
o
f
in
s
tan
t
m
es
s
ag
i
n
g
ap
p
licatio
n
u
s
er
s
wo
r
ld
w
id
e
w
i
ll
r
ea
ch
2
b
illi
o
n
a
n
d
r
ep
r
esen
t
8
0
%
o
f
s
m
ar
tp
h
o
n
e
u
s
er
s
,
as
s
h
o
w
n
o
n
Fig
u
r
e
2
[
5
]
.
Fig
u
r
e
2
.
Statis
tic
s
o
f
i
n
s
ta
n
t
m
es
s
ag
i
n
g
ap
p
licatio
n
u
s
er
On
e
o
f
th
e
m
o
s
t
p
o
p
u
lar
in
s
ta
n
t
m
e
s
s
a
g
i
n
g
ap
p
licatio
n
s
i
s
B
lack
b
er
r
y
Me
s
s
en
g
er
(
B
B
M
)
,
alth
o
u
g
h
r
ec
en
tl
y
th
e
u
s
e
o
f
BBM
ten
d
s
to
d
ec
r
ea
s
e
,
b
u
t
i
n
s
o
m
e
Asi
a
n
co
u
n
tr
ies,
esp
ec
iall
y
i
n
I
n
d
o
n
esia,
B
B
M
is
s
ti
ll
a
lead
in
g
ap
p
licatio
n
w
i
th
lo
t
s
o
f
u
s
er
s
,
as
s
h
o
w
n
i
n
th
e
r
es
u
l
ts
s
u
r
v
e
y
o
f
G
f
K
in
Fig
u
r
e
3
[
6
]
.
I
n
ad
d
itio
n
to
t
h
e
lar
g
e
a
m
o
u
n
t
o
f
u
s
er
s
,
B
B
M
also
h
as
n
u
m
er
o
u
s
f
ea
tu
r
es
,
f
o
r
e
x
a
m
p
le
s
e
n
d
in
g
a
n
d
r
ec
eiv
in
g
tex
t
m
es
s
ag
e
s
,
p
ict
u
r
es,
v
id
eo
s
,
a
n
d
d
o
cu
m
en
t
s
.
B
B
M’
s
lar
g
e
a
m
o
u
n
t
o
f
u
s
er
s
an
d
g
o
o
d
f
ea
t
u
r
es
ca
n
b
e
a
m
ag
n
et
f
o
r
s
o
m
eo
n
e
w
h
o
h
as
cr
i
m
i
n
al
p
u
r
p
o
s
e
s
u
ch
as
d
r
u
g
tr
af
f
ic
k
i
n
g
,
p
r
o
s
tit
u
tio
n
,
c
y
b
er
-
b
u
ll
y
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
F
o
r
en
s
ic
To
o
ls
P
erfo
r
ma
n
ce
A
n
a
lysi
s
o
n
A
n
d
r
o
id
-
b
a
s
ed
B
l
a
ck
b
err
y
M
ess
en
g
er u
s
in
g
...
(
I
ma
m
R
ia
d
i)
3993
an
d
s
o
o
n
.
T
h
er
e
ar
e
s
o
m
e
ex
a
m
p
le
o
f
ca
s
es
i
n
v
o
l
v
i
n
g
B
B
M
ap
p
lica
tio
n
s
in
I
n
d
o
n
esia
as
s
h
o
w
n
o
n
T
ab
le
1
[
7
]
.
Fig
u
r
e
3
.
Stati
s
tic
s
o
f
B
B
M
u
s
er
s
in
I
n
d
o
n
e
s
ia
T
ab
le
1
.
E
x
am
p
le
o
f
D
ig
i
tal
C
r
i
m
e
C
a
s
es u
s
i
n
g
B
B
M
No
Y
e
a
r
C
a
se
1
2
0
1
4
P
o
r
n
o
g
r
a
p
h
y
u
si
n
g
B
B
M
a
t
B
a
n
y
u
w
a
n
g
i
2
2
0
1
5
P
a
r
l
i
a
me
n
t
me
mb
e
r
’
s B
B
M
a
c
c
o
u
n
t
h
a
c
k
e
d
a
t
J
a
k
a
r
t
a
3
2
0
1
6
O
n
l
i
n
e
f
r
a
u
d
u
s
i
n
g
B
B
M
a
t
P
a
l
o
p
o
4
2
0
1
6
I
d
e
n
t
i
t
y
t
h
e
f
t
u
si
n
g
B
B
M
a
t
P
a
l
e
mb
a
n
g
5
2
0
1
7
O
n
l
i
n
e
p
r
o
st
i
t
u
t
i
o
n
’
s
t
r
a
n
sa
c
t
i
o
n
u
s
i
n
g
B
B
M
a
t
P
e
k
a
n
B
a
r
u
T
o
s
o
lv
e
d
ig
ital
cr
i
m
e
ca
s
e
s
i
n
v
o
l
v
i
n
g
s
m
ar
tp
h
o
n
e
s
,
t
h
e
i
n
v
esti
g
ato
r
n
ee
d
s
to
d
o
m
o
b
ile
f
o
r
en
s
ics.
Mo
b
ile
f
o
r
en
s
ics
is
s
cie
n
ce
t
h
at
p
er
f
o
r
m
s
t
h
e
p
r
o
ce
s
s
o
f
d
ig
i
tal
ev
id
en
ce
r
ec
o
v
er
y
f
r
o
m
a
m
o
b
ile
d
ev
ice
u
s
i
n
g
th
e
ap
p
r
o
p
r
iate
w
a
y
w
it
h
f
o
r
en
s
ic
co
n
d
itio
n
s
[
8
]
.
T
h
e
in
v
esti
g
a
to
r
w
ill
co
n
d
u
ct
f
o
r
en
s
ic
an
al
y
s
i
s
o
n
t
h
e
s
m
ar
tp
h
o
n
e
u
s
i
n
g
s
o
m
e
f
o
r
en
s
ic
to
o
ls
w
it
h
a
f
o
r
en
s
icall
y
-
test
ed
m
et
h
o
d
o
lo
g
y
,
t
h
e
a
n
al
y
s
i
s
r
es
u
lts
w
il
l
b
ec
o
m
e
a
s
u
p
p
o
r
tin
g
e
v
id
en
ce
th
at
h
a
v
e
v
alid
it
y
v
al
u
e
b
e
f
o
r
e
th
e
la
w
an
d
ca
n
b
e
u
s
ed
as
t
o
o
l
to
s
o
lv
e
d
ig
i
tal
cr
i
m
i
n
al
ca
s
es
[
9
]
.
P
r
im
ar
il
y
t
h
er
e
ar
e
3
d
if
f
er
en
t
m
et
h
o
d
s
o
n
m
o
b
ile
f
o
r
en
s
ic
s
ac
q
u
is
itio
n
tech
n
iq
u
es
[
1
0
]
:
a.
Ma
n
u
a
l
A
cq
u
is
itio
n
.
I
n
t
h
i
s
tech
n
iq
u
e
th
e
i
n
v
esti
g
ato
r
w
il
l
m
an
u
all
y
cr
ea
te
th
e
ac
q
u
is
i
tio
n
b
y
d
ir
ec
tl
y
lo
o
k
in
g
at
th
e
co
n
ten
ts
o
f
t
h
e
s
m
ar
tp
h
o
n
e
d
ev
ice
to
f
in
d
e
v
i
d
en
ce
.
T
h
e
in
v
es
tig
a
t
o
r
w
il
l
t
ak
es
p
ict
u
r
es
o
f
ea
ch
s
cr
ee
n
t
h
at
co
n
tai
n
i
n
g
t
h
e
r
eq
u
ir
ed
d
ata
w
h
ile
b
r
o
w
s
i
n
g
t
h
e
d
e
v
ice.
T
h
e
ad
v
a
n
ta
g
e
o
f
t
h
i
s
tec
h
n
iq
u
e
is
t
h
at
i
t
d
o
es
n
o
t
r
eq
u
ir
e
an
y
to
o
ls
to
co
n
d
u
ct
d
ata
ac
q
u
is
i
tio
n
,
b
u
t
t
h
i
s
tec
h
n
i
cq
u
e
also
h
a
v
e
d
is
ad
v
an
ta
g
es,
th
e
d
ata
t
h
at
ca
n
b
e
ac
q
u
ir
ed
i
s
o
n
l
y
t
h
e
d
ata
th
at
v
i
s
ib
le
o
n
t
h
e
d
ev
i
ce
an
d
i
s
ti
m
e
co
n
s
u
m
i
n
g
.
b.
P
h
y
s
ical
A
cq
u
is
itio
n
.
I
n
t
h
is
tech
n
iq
u
e
th
e
i
n
v
est
ig
ato
r
w
il
l
clo
n
e
a
s
m
ar
tp
h
o
n
e
d
e
v
ice
an
d
co
n
d
u
ct
f
o
r
en
s
ic
a
n
al
y
s
i
s
o
n
t
h
e
clo
n
e
u
s
i
n
g
a
s
et
o
f
d
i
f
f
er
e
n
t f
o
r
en
s
i
c
to
o
ls
.
c.
L
o
g
ica
l
A
cq
u
is
itio
n
.
I
n
t
h
is
t
ec
h
n
iq
u
e
t
h
e
in
v
est
ig
ato
r
w
i
l
l
co
n
d
u
ct
t
h
e
d
ata
ac
q
u
is
it
io
n
f
o
u
n
d
i
n
t
h
e
s
m
ar
tp
h
o
n
e
d
ev
ice
to
b
e
s
u
b
s
e
q
u
en
tl
y
a
n
al
y
ze
d
.
Her
e
d
ata
/in
f
o
r
m
atio
n
a
v
ailab
le
o
n
t
h
e
p
h
o
n
e
is
ac
q
u
ir
e
d
u
s
i
n
g
au
to
m
ated
to
o
ls
f
o
r
s
y
n
c
h
r
o
n
izi
n
g
s
m
ar
tp
h
o
n
e
a
n
d
P
C
.
T
h
er
e
ar
e
m
an
y
c
h
alle
n
g
e
s
o
n
m
o
b
ile
f
o
r
e
n
s
ic
s
f
ie
ld
s
,
o
n
e
o
f
th
e
s
e
ch
a
llen
g
e
s
is
t
h
e
lack
o
f
r
eso
u
r
ce
s
,
i
n
t
h
e
m
ea
n
i
n
g
t
h
at
r
ap
id
d
ev
elo
p
m
e
n
t
o
f
m
o
b
ile
tech
n
o
lo
g
y
an
d
t
h
e
i
n
cr
ea
s
in
g
a
m
o
u
n
t
o
f
s
m
ar
tp
h
o
n
e
d
ev
ice
s
ar
e
n
o
t
p
u
t
in
a
b
ala
n
ce
b
y
t
h
e
d
e
v
e
lo
p
m
e
n
t
o
f
f
o
r
en
s
ic
m
o
b
ile
t
ec
h
n
o
lo
g
y
a
n
d
th
e
ex
is
t
in
g
f
o
r
en
s
ic
to
o
ls
[
1
1
]
.
T
o
o
v
er
co
m
e
th
ese
c
h
alle
n
g
e
s
,
a
co
m
p
ar
ativ
e
an
al
y
s
is
o
n
in
s
ta
n
t
m
ess
s
a
g
in
g
f
ea
t
u
r
es
a
n
d
f
o
r
en
s
ic
to
o
ls
n
e
ed
to
b
e
d
o
n
e.
T
h
e
co
m
p
a
r
is
o
n
is
n
o
t
o
n
l
y
o
n
f
o
r
en
s
ic
to
o
l’
s
p
er
f
o
r
m
a
n
ce
,
b
u
t
also
o
n
f
o
r
en
s
ic
f
r
a
m
e
w
o
r
k
s
s
u
c
h
a
s
Natio
n
al
I
n
s
tit
u
te
o
f
J
u
s
tice
(
NI
J
)
[
1
2
]
,
Hy
b
r
id
E
v
i
d
en
ce
I
n
v
esti
g
atio
n
[
1
3
]
,
an
d
I
n
teg
r
ated
Dig
i
tal
Fo
r
en
s
ic
I
n
v
est
ig
at
io
n
Fra
m
e
w
o
r
k
(
I
DFI
F)
[
1
4
]
.
Su
ti
k
n
o
,
Han
d
a
y
a
n
i,
an
d
Sti
a
w
a
n
et
al
[
1
5
]
co
n
d
u
cted
a
s
tu
d
y
to
co
m
p
ar
e
in
s
ta
n
t
m
es
s
ag
i
n
g
f
ea
t
u
r
es.
T
h
e
o
b
j
ec
ts
o
f
t
h
e
r
esear
ch
i
s
W
h
at
s
A
p
p
,
Vib
er
,
an
d
T
eleg
r
a
m
.
T
h
e
r
es
u
lt
o
f
t
h
is
r
esear
ch
s
h
o
w
s
th
at
W
h
at
s
A
p
p
is
t
h
e
m
o
s
t
p
o
p
u
lar
a
m
o
n
g
t
h
e
w
o
r
ld
’
s
u
s
er
s
o
f
th
e
s
m
ar
tp
h
o
n
es
w
i
th
ab
o
u
t
6
0
%,
f
o
llo
w
ed
b
y
Vib
er
an
d
,
in
t
h
ir
d
p
lace
,
T
el
eg
r
a
m
.
Vib
er
i
s
th
e
m
o
s
t
f
u
n
ctio
n
al
m
es
s
en
g
er
,
b
u
t
i
f
t
h
e
m
ai
n
co
n
ce
r
n
is
t
h
e
s
ec
u
r
it
y
o
f
co
m
m
u
n
icatio
n
,
it
is
w
is
er
to
o
p
t
f
o
r
T
eleg
r
am
.
T
eleg
r
a
m
o
f
f
er
s
ca
p
ab
ilit
y
o
f
s
y
n
cr
o
n
izatio
n
,
s
u
p
er
f
as
t
s
er
v
ice,
r
eliab
le
b
ac
k
u
p
an
d
b
etter
s
ec
u
r
it
y
f
ea
tu
r
e.
A
l
th
o
u
g
h
W
h
at
s
A
p
p
d
o
m
i
n
ates
t
h
e
s
o
cial
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
8
,
No
.
5
,
Octo
b
er
2
0
1
8
:
3
9
9
1
–
4
0
0
3
39
94
m
ed
ia
s
p
ac
e
d
u
e
to
its
s
i
m
p
l
ic
it
y
a
n
d
b
ac
k
ed
b
y
g
ia
n
t
i.e
.
Fa
ce
b
o
o
k
,
T
eleg
r
a
m
is
e
s
s
e
n
tiall
y
p
r
o
v
id
in
g
b
etter
p
latf
o
r
m
t
h
an
o
t
h
er
s
.
.
On
f
o
r
en
s
ic
f
ie
ld
,
U
m
ar
,
R
i
ad
i,
an
d
Z
a
m
r
o
n
i
[
1
6
]
u
s
es
B
elk
aso
f
t
E
v
id
en
ce
C
e
n
ter
,
W
h
ats
A
p
p
Ke
y
/DB
E
x
tr
ac
to
r
,
an
d
Ox
y
g
en
Fo
r
en
s
ic
S
u
ite
2
0
1
4
p
er
f
o
r
m
ed
co
m
p
ar
is
o
n
s
a
n
d
an
al
y
s
i
s
o
f
p
r
o
p
r
ietar
y
an
d
o
p
en
s
o
u
r
ce
f
o
r
en
s
ic
to
o
ls
,
th
e
o
b
j
ec
t
f
o
r
an
al
y
s
is
i
s
W
h
ats
A
p
p
,
a
m
u
ltip
lat
f
o
r
m
i
n
s
ta
n
t
m
e
s
s
a
g
i
n
g
ap
p
licatio
n
,
an
d
th
e
s
m
ar
tp
h
o
n
e
u
s
ed
f
o
r
a
n
al
y
s
i
s
i
s
An
d
r
o
id
-
ba
s
ed
s
m
ar
tp
h
o
n
e.
T
h
e
r
es
u
lt
o
f
th
i
s
r
esear
c
h
s
h
o
w
s
th
at
B
el
k
aso
f
t
E
v
id
en
ce
C
en
ter
h
as
t
h
e
h
i
g
h
e
s
t
i
n
d
ex
n
u
m
b
er
,
W
h
at
s
A
p
p
Ke
y
/DB
E
x
tr
ac
to
r
h
as
s
u
p
er
io
r
it
y
i
n
ter
m
s
o
f
co
s
ts
,
a
n
d
Ox
y
g
e
n
Fo
r
en
s
ic
S
u
ite
2
0
1
4
h
as s
u
p
er
io
r
it
y
in
o
b
tain
i
n
g
W
h
ats
A
p
p
ar
tif
ac
t.
I
n
o
th
er
r
esear
ch
co
n
d
u
cted
b
y
Do
g
an
a
n
d
Ak
b
al
[
1
7
]
Ox
y
g
en
Fo
r
en
s
ic
S
u
ite
2
0
1
4
an
d
MO
B
I
L
ed
it
Fo
r
en
s
ics,
T
h
e
R
e
s
ea
r
ch
er
s
e
x
p
lain
th
at
e
v
er
y
f
o
r
en
s
ic
to
o
l h
a
s
its
o
w
n
ad
v
an
ta
g
e
s
an
d
d
is
a
d
v
an
ta
g
es.
Di
g
ital
cr
i
m
e
ca
s
e
s
r
elate
d
to
s
m
ar
tp
h
o
n
e
d
ev
ices
s
h
o
u
ld
h
a
n
d
led
u
s
i
n
g
s
e
v
er
al
f
o
r
en
s
ic
to
o
ls
th
at
h
av
e
d
if
f
er
en
t
ca
p
ab
ilit
ies.
T
h
e
o
u
tco
m
e
o
f
t
h
is
r
esear
c
h
s
h
o
w
s
t
h
at
MO
B
I
L
ed
it
Fo
r
en
s
ics
h
as
ad
v
a
n
ta
g
es
in
ter
m
s
o
f
r
un
ti
m
e,
w
h
ile
O
x
y
g
e
n
Fo
r
en
s
ic
Su
ite
2
0
1
4
h
as a
n
ad
v
a
n
ta
g
e
i
n
ter
m
s
o
f
ar
ti
f
ac
t a
n
al
y
s
is
.
Oth
er
co
m
p
ar
ati
v
e
an
al
y
s
is
r
e
s
ea
r
ch
is
co
n
d
u
cted
b
y
Ma
u
r
y
a,
Aw
a
s
th
y
,
Si
n
g
h
,
a
n
d
Vais
h
[
1
8
]
T
h
e
R
esear
ch
er
s
u
s
i
n
g
2
p
r
o
p
r
ietar
y
f
o
r
en
s
ic
to
o
ls
a
n
d
3
o
p
en
s
o
u
r
ce
f
o
r
en
s
ic
to
o
ls
,
T
h
e
R
e
s
ea
r
ch
er
s
co
n
clu
d
e
th
at
m
a
n
y
o
f
th
e
f
ea
t
u
r
es
th
at
ar
e
p
r
esen
t
in
p
r
o
p
r
ietar
y
f
o
r
en
s
ic
to
o
ls
ar
e
also
p
r
esen
t
in
o
p
en
s
o
u
r
ce
to
o
ls
.
E
v
en
th
er
e
ar
e
ce
r
tai
n
f
ea
t
u
r
e
s
t
h
at
p
r
o
v
id
ed
b
y
o
p
en
s
o
u
r
c
e
to
o
l
b
u
t
p
r
o
p
r
ietar
y
to
o
l
d
o
e
s
n
o
t,
f
o
r
ex
a
m
p
le:
SH
A
-
1
h
a
s
h
i
n
g
i
s
n
o
t
p
r
o
v
id
ed
in
E
n
C
a
s
e
b
u
t
av
ai
lab
le
i
n
o
p
en
s
o
u
r
ce
to
o
ls
.
Op
en
s
o
u
r
ce
to
o
ls
also
h
av
e
t
h
e
ad
v
an
ta
g
es o
n
co
s
t,
t
h
ese
to
o
l
s
ar
e
ea
s
y
to
b
u
y
d
u
e
to
n
o
o
r
n
eg
l
ig
ib
le
co
s
t.
C
o
m
p
ar
is
o
n
a
n
d
an
al
y
s
is
o
f
p
r
o
p
r
ietar
y
a
n
d
o
p
en
s
o
u
r
ce
f
o
r
en
s
ic
to
o
ls
al
s
o
co
n
d
u
cted
b
y
P
ad
m
an
ab
h
an
,
L
o
b
o
,
Gh
elan
i
,
Su
j
an
,
an
d
Sh
ir
o
le
[
1
9
]
,
th
e
to
o
ls
p
u
t
in
to
co
m
p
ar
is
o
n
ar
e
T
h
e
Sleu
t
h
Kit
(
T
SK)
A
u
to
p
s
y
,
S
ANS
SIFT
,
M
OB
I
L
ed
it
Fo
r
en
s
ic
s
,
an
d
C
elleb
r
ite
UFED
.
T
h
e
co
n
clu
s
i
o
n
o
f
th
i
s
r
esear
ch
ar
e:
o
p
en
s
o
u
r
ce
f
o
r
en
s
ic
to
o
ls
h
a
v
e
ad
v
a
n
tag
e
s
i
n
th
e
n
u
m
b
er
o
f
u
s
er
s
,
f
le
x
ib
ilit
y
i
n
ter
m
s
o
f
u
s
e
w
i
th
co
n
s
o
le
co
m
m
a
n
d
s
o
r
GUI
-
b
ased
ap
p
licatio
n
s
,
lo
g
g
i
n
g
ca
p
ab
ilit
y
,
a
n
d
g
o
o
d
in
t
o
ler
atin
g
er
r
o
r
s
.
Me
an
w
h
ile,
p
r
o
p
r
ietar
y
f
o
r
en
s
ic
to
o
ls
ar
e
s
u
p
er
io
r
in
ter
m
s
o
f
p
r
o
ce
s
s
s
p
ee
d
,
d
ata
ex
tr
ac
tio
n
ac
c
u
r
ac
y
,
a
n
al
y
t
ical
s
k
i
lls
,
an
d
ab
ilit
y
to
r
esto
r
e
d
elete
d
d
ata.
A
cc
o
r
d
in
g
to
r
esear
c
h
co
u
n
d
u
cted
b
y
Sale
m
,
P
o
p
o
v
an
d
Ku
b
i
[
2
0
]
u
s
i
n
g
C
elleb
r
ite
UFED
a
n
d
XR
Y,
th
e
o
u
tco
m
e
s
h
o
w
s
t
h
a
t
XR
Y
is
b
etter
th
a
n
C
elleb
r
it
e
UFED
f
o
r
ac
q
u
ir
in
g
m
o
s
t
o
f
th
e
ar
ti
f
ac
t
t
y
p
e
s
,
w
h
ile
C
elleb
r
ite
UFED
is
b
ett
er
o
n
p
r
eser
v
in
g
th
e
i
n
te
g
r
it
y
o
f
d
ig
ital e
v
id
en
ce
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
is
r
esear
ch
’
s
o
b
j
ec
tiv
e
w
as
to
ev
al
u
ate
3
f
o
r
en
s
ic
to
o
ls
:
A
n
d
r
iller
,
O
x
y
g
e
n
Fo
r
en
s
ic
Su
ite
an
d
Au
to
p
s
y
4
.
1
.
1
b
ased
o
n
f
r
a
m
e
w
o
r
k
an
d
p
ar
a
m
eter
s
f
r
o
m
NI
ST
an
d
ad
d
itio
n
al
p
ar
a
m
eter
s
f
r
o
m
T
h
e
R
esear
ch
er
s
i
n
ter
m
s
o
f
t
h
e
a
b
ilit
y
to
ac
q
u
ir
e
an
d
a
n
al
y
s
i
s
d
ig
ital
e
v
id
en
ce
s
f
r
o
m
B
lac
k
b
er
r
y
Me
s
s
e
n
g
er
o
n
An
d
r
o
id
-
b
ased
s
m
ar
tp
h
o
n
e.
2
.
1
.
Resea
rc
h t
o
o
ls
a
nd
pa
ra
m
et
er
s
T
h
e
to
o
ls
th
at
u
s
ed
f
o
r
th
is
r
esear
ch
ar
e
d
iv
id
ed
in
to
t
w
o
p
ar
ts
:
E
x
p
er
i
m
en
ta
l
to
o
ls
an
d
Fo
r
en
s
ic
to
o
ls
as
s
h
o
w
n
o
n
T
ab
le
2
an
d
T
a
b
le
3
.
T
h
e
Natio
n
al
I
n
s
tit
u
te
o
f
Stan
d
ar
d
an
d
T
ec
h
n
o
lo
g
y
(
NI
ST
)
h
as
p
u
b
li
s
h
ed
a
test
p
la
n
to
m
ea
s
u
r
e
th
e
p
er
f
o
r
m
a
n
ce
o
f
a
f
o
r
en
s
ic
to
o
l
in
a
p
u
b
licatio
n
en
titl
ed
“
M
o
b
ile
Dev
ice
T
o
o
l
T
est
A
s
s
er
tio
n
s
a
n
d
T
est
P
lan
v
er
.
2
”
[
2
1
]
an
d
“
Mo
b
ile
De
v
ice
T
o
o
l
Sp
ec
if
icatio
n
v
er
.
2
”
[
2
2
]
.
NI
ST
p
r
o
v
id
es
a
to
tal
o
f
4
2
m
ea
s
u
r
e
m
e
n
t
p
ar
am
eter
s
an
d
m
et
h
o
d
s
to
m
ea
s
u
r
e
th
e
p
er
f
o
r
m
a
n
ce
o
f
f
o
r
en
s
ic
to
o
ls
b
ased
o
n
th
e
r
esu
lt
s
o
f
ea
ch
test
p
lan
.
Ho
w
e
v
er
,
n
o
t
all
p
ar
am
eter
s
w
er
e
u
s
ed
in
th
i
s
r
esear
ch
.
P
a
r
a
m
eter
s
th
at
u
s
ed
in
t
h
is
r
ese
ar
ch
ar
e
s
h
o
w
n
o
n
T
ab
le
4
an
d
T
ab
le
5
.
T
ab
le
2
.
E
x
p
er
im
e
n
t T
o
o
ls
No
Ex
p
e
r
i
me
n
t
T
o
o
l
s
D
e
scri
p
t
i
o
n
1
S
martp
h
o
n
e
1
S
o
n
y
X
p
e
r
i
a
Z
,
A
n
d
r
o
i
d
L
o
l
l
i
p
o
p
5
.
1
.
1
2
S
martp
h
o
n
e
2
S
a
msu
n
g
G
a
l
a
x
y
A
5
2
0
1
5
,
A
n
d
r
o
i
d
L
o
l
l
i
p
o
p
5
.
0
.1
3
B
l
a
c
k
b
e
r
r
y
M
e
sse
n
g
e
r
M
u
l
t
i
p
l
a
t
f
o
r
m
I
n
st
a
n
t
M
e
ssag
i
n
g
a
p
p
l
i
c
a
t
i
o
n
4
N
o
t
e
b
o
o
k
A
su
s So
n
i
c
M
a
s
t
e
r
X
4
5
0
J
,
O
S
W
i
n
d
o
w
s 1
0
6
4
b
i
t
5
U
S
B
C
a
b
l
e
A
d
a
t
a
c
a
b
l
e
t
h
a
t
c
a
n
b
e
u
se
d
t
o
c
o
n
n
e
c
t
sm
a
r
t
p
h
o
n
e
t
o
n
o
t
e
b
o
o
k
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
F
o
r
en
s
ic
To
o
ls
P
erfo
r
ma
n
ce
A
n
a
lysi
s
o
n
A
n
d
r
o
id
-
b
a
s
ed
B
l
a
ck
b
err
y
M
ess
en
g
er u
s
in
g
...
(
I
ma
m
R
ia
d
i)
3995
T
ab
le
3
.
Fo
r
en
s
ic
T
o
o
ls
No
F
o
r
e
n
si
c
T
o
o
l
s
D
e
scri
p
t
i
o
n
1
A
n
d
r
i
l
l
e
r
W
i
n
d
o
w
s
-
B
a
se
d
P
r
o
p
r
i
e
t
a
r
y
A
p
p
l
i
c
a
t
i
o
n
s t
h
a
t
c
a
n
b
e
u
se
d
t
o
a
c
q
u
i
r
e
d
i
g
i
t
a
l
e
v
i
d
e
n
c
e
o
n
a
sm
a
r
t
p
h
o
n
e
2
O
x
y
g
e
n
F
o
r
e
n
si
c
S
u
i
t
e
W
i
n
d
o
w
s
-
B
a
se
d
P
r
o
p
r
i
e
t
a
r
y
A
p
p
l
i
c
a
t
i
o
n
s t
h
a
t
c
a
n
b
e
u
se
d
t
o
a
c
q
u
i
r
e
d
i
g
i
t
a
l
e
v
i
d
e
n
c
e
o
n
a
sm
a
r
t
p
h
o
n
e
3
Au
t
o
p
sy
4
.
1
.
1
W
i
n
d
o
w
s a
n
d
L
i
n
u
x
-
b
a
se
d
O
p
e
n
S
o
u
r
c
e
A
p
p
l
i
c
a
t
i
o
n
s
t
h
a
t
c
a
n
b
e
u
se
d
t
o
a
c
q
u
i
r
e
d
i
g
i
t
a
l
e
v
i
d
e
n
c
e
f
r
o
m
mu
l
t
i
p
l
e
so
u
r
c
e
s
T
ab
le
4
.
NI
S
T
C
o
r
e
an
d
Op
tio
n
al
A
s
s
er
tio
n
P
ar
a
m
eter
s
f
o
r
Fo
r
en
s
ic
T
o
o
ls
T
ab
le
5
.
NI
S
T
C
o
r
e
an
d
Op
tio
n
al
R
eq
u
ir
e
m
e
n
t P
ar
a
m
eter
s
f
o
r
Fo
r
en
s
ic
T
o
o
ls
M
o
b
i
l
e
D
e
v
i
c
e
To
o
l
-
C
o
r
e
A
ss
e
r
t
i
o
n
(
M
D
T
-
C
A
)
C
o
r
e
A
s
s
e
r
t
i
o
n
I
D
T
e
st
A
sse
r
t
i
o
n
C
o
mm
e
n
t
s
M
D
T
-
CA
-
01
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s su
p
p
o
r
t
f
o
r
c
o
n
n
e
c
t
i
v
i
t
y
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
su
c
c
e
ssf
u
l
l
y
r
e
c
o
g
n
i
z
e
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
v
i
a
a
l
l
t
o
o
l
-
su
p
p
o
r
t
e
d
i
n
t
e
r
f
a
c
e
s (e
.
g
.
,
c
a
b
l
e
,
B
l
u
e
t
o
o
t
h
,
I
r
D
A
)
.
C
o
n
n
e
c
t
s
u
p
p
o
r
t
e
d
d
e
v
i
c
e
v
i
a
t
o
o
l
-
su
p
p
o
r
t
e
d
i
n
t
e
r
f
a
c
e
(
s)
;
A
c
q
u
i
r
e
d
a
t
a
.
M
D
T
-
CA
-
02
I
f
c
o
n
n
e
c
t
i
v
i
t
y
b
e
t
w
e
e
n
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
a
n
d
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
i
s d
i
sr
u
p
t
e
d
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
n
o
t
i
f
y
t
h
e
u
se
r
t
h
a
t
c
o
n
n
e
c
t
i
v
i
t
y
h
a
s
b
e
e
n
d
i
sr
u
p
t
e
d
.
B
e
g
i
n
a
c
q
u
i
si
t
i
o
n
;
D
i
sco
n
n
e
c
t
i
n
t
e
r
f
a
c
e
o
r
i
n
t
e
r
r
u
p
t
c
o
n
n
e
c
t
i
v
i
t
y
(
i
.
e
.
,
u
n
p
l
u
g
c
a
b
l
e
)
d
u
r
i
n
g
a
c
q
u
i
si
t
i
o
n
.
M
D
T
-
CA
-
03
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
c
o
mp
l
e
t
e
s a
c
q
u
i
s
i
t
i
o
n
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
w
i
t
h
o
u
t
e
r
r
o
r
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
p
r
e
se
n
t
a
c
q
u
i
r
e
d
d
a
t
a
o
b
j
e
c
t
s
i
n
a
u
se
a
b
l
e
f
o
r
mat
v
i
a
e
i
t
h
e
r
a
p
r
e
v
i
e
w
-
p
a
n
e
o
r
g
e
n
e
r
a
t
e
d
r
e
p
o
r
t
.
A
c
q
u
i
r
e
d
e
v
i
c
e
d
a
t
a
;
R
e
v
i
e
w
d
a
t
a
f
o
r
r
e
a
d
a
b
i
l
i
t
y
i
n
a
u
se
a
b
l
e
f
o
r
mat
.
M
D
T
-
CA
-
04
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
c
o
mp
l
e
t
e
s a
c
q
u
i
s
i
t
i
o
n
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
w
i
t
h
o
u
t
e
r
r
o
r
t
h
e
n
s
u
b
scri
b
e
r
a
n
d
e
q
u
i
p
me
n
t
r
e
l
a
t
e
d
i
n
f
o
r
mat
i
o
n
sh
a
l
l
b
e
p
r
e
se
n
t
e
d
i
n
a
u
s
e
a
b
l
e
f
o
r
mat
.
A
c
q
u
i
s
i
t
i
o
n
o
f
M
S
I
S
D
N
,
I
M
S
I
,
I
M
E
I
,
M
E
I
D
/
ESN
M
D
T
-
CA
-
05
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
c
o
mp
l
e
t
e
s a
c
q
u
i
s
i
t
i
o
n
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
w
i
t
h
o
u
t
e
r
r
o
r
t
h
e
n
a
l
l
su
p
p
o
r
t
e
d
d
a
t
a
e
l
e
me
n
t
s sh
a
l
l
b
e
p
r
e
se
n
t
e
d
i
n
a
u
se
a
b
l
e
f
o
r
mat
.
A
c
q
u
i
s
i
t
i
o
n
o
f
t
o
o
l
su
p
p
o
r
t
e
d
d
a
t
a
e
l
e
me
n
t
s
M
D
T
-
CA
-
06
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s t
h
e
u
se
r
w
i
t
h
a
n
“
A
c
q
u
i
r
e
A
l
l
”
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
s
a
c
q
u
i
s
i
t
i
o
n
o
p
t
i
o
n
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
c
o
mp
l
e
t
e
t
h
e
a
c
q
u
i
si
t
i
o
n
o
f
a
l
l
d
a
t
a
o
b
j
e
c
t
s w
i
t
h
o
u
t
e
r
r
o
r
.
A
c
q
u
i
r
e
a
l
l
su
p
p
o
r
t
e
d
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
s
M
D
T
-
CA
-
07
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s t
h
e
u
se
r
w
i
t
h
a
n
“
S
e
l
e
c
t
A
l
l
”
i
n
d
i
v
i
d
u
a
l
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
s
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
c
o
mp
l
e
t
e
t
h
e
a
c
q
u
i
si
t
i
o
n
o
f
a
l
l
i
n
d
i
v
i
d
u
a
l
l
y
sel
e
c
t
e
d
d
a
t
a
o
b
j
e
c
t
s w
i
t
h
o
u
t
e
r
r
o
r
.
A
c
q
u
i
r
e
a
l
l
su
p
p
o
r
t
e
d
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
s
b
y
i
n
d
i
v
i
d
u
a
l
l
y
sel
e
c
t
i
n
g
e
a
c
h
s
u
p
p
o
r
t
e
d
d
a
t
a
o
b
j
e
c
t
M
D
T
-
CA
-
08
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s t
h
e
u
se
r
w
i
t
h
t
h
e
a
b
i
l
i
t
y
t
o
“
S
e
l
e
c
t
I
n
d
i
v
i
d
u
a
l
”
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
s fo
r
a
c
q
u
i
si
t
i
o
n
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
a
c
q
u
i
r
e
e
a
c
h
e
x
c
l
u
si
v
e
d
a
t
a
o
b
j
e
c
t
w
i
t
h
o
u
t
e
r
r
o
r
.
A
c
q
u
i
r
e
e
a
c
h
s
u
p
p
o
r
t
e
d
d
e
v
i
c
e
d
a
t
a
o
b
j
e
c
t
i
n
d
i
v
i
d
u
a
l
l
y
M
D
T
-
CA
-
09
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
c
o
mp
l
e
t
e
s t
w
o
c
o
n
se
c
u
t
i
v
e
l
o
g
i
c
a
l
a
c
q
u
i
si
t
i
o
n
s
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
w
i
t
h
o
u
t
e
r
r
o
r
t
h
e
n
t
h
e
p
a
y
l
o
a
d
(
d
a
t
a
o
b
j
e
c
t
s)
o
n
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
sh
a
l
l
r
e
mai
n
c
o
n
si
s
t
e
n
t
.
P
e
r
f
o
r
m t
w
o
c
o
n
se
c
u
t
i
v
e
l
o
g
i
c
a
l
a
c
q
u
i
si
t
i
o
n
s
;
c
h
e
c
k
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
p
a
y
l
o
a
d
mo
d
i
f
i
c
a
t
i
o
n
s
M
o
b
i
l
e
D
e
v
i
c
e
To
o
l
-
A
sserti
o
n
s O
p
t
i
o
n
a
l
(
M
D
T
-
A
O
)
O
p
t
i
o
n
a
l
A
sse
r
t
i
o
n
I
D
T
e
st
A
sse
r
t
i
o
n
C
o
mm
e
n
t
s
M
D
T
-
AO
-
10
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s t
h
e
e
x
a
mi
n
e
r
w
i
t
h
t
h
e
r
e
mai
n
i
n
g
n
u
m
b
e
r
o
f
a
u
t
h
e
n
t
i
c
a
t
i
o
n
a
t
t
e
mp
t
s
t
h
e
n
t
h
e
a
p
p
l
i
c
a
t
i
o
n
sh
o
u
l
d
p
r
o
v
i
d
e
a
n
a
c
c
u
r
a
t
e
c
o
u
n
t
o
f
t
h
e
r
e
mai
n
i
n
g
P
I
N
a
t
t
e
mp
t
s.
I
n
p
u
t
i
n
c
o
r
r
e
c
t
P
I
N
;
C
h
e
c
k
t
o
o
l
o
u
t
p
u
t
f
o
r
c
o
r
r
e
c
t
n
u
m
b
e
r
o
f
r
e
mai
n
i
n
g
P
I
N
a
t
t
e
mp
t
s
I
n
p
u
t
M
D
T
-
AO
-
11
I
f
a
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
p
r
o
v
i
d
e
s t
h
e
e
x
a
mi
n
e
r
w
i
t
h
t
h
e
r
e
mai
n
i
n
g
n
u
m
b
e
r
o
f
P
U
K
a
t
t
e
mp
t
s t
h
e
n
t
h
e
a
p
p
l
i
c
a
t
i
o
n
s
h
o
u
l
d
p
r
o
v
i
d
e
a
n
a
c
c
u
r
a
t
e
c
o
u
n
t
o
f
t
h
e
r
e
mai
n
i
n
g
P
U
K
a
t
t
e
mp
t
s
.
I
n
p
u
t
i
n
c
o
r
r
e
c
t
P
U
K
;
C
h
e
c
k
t
o
o
l
o
u
t
p
u
t
f
o
r
c
o
r
r
e
c
t
n
u
m
b
e
r
o
f
r
e
mai
n
i
n
g
P
U
K
a
t
t
e
m
p
t
s
M
D
T
-
AO
-
12
I
f
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
su
p
p
o
r
t
s a
p
h
y
si
c
a
l
a
c
q
u
i
si
t
i
o
n
o
f
t
h
e
t
a
r
g
e
t
d
e
v
i
c
e
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
c
o
mp
l
e
t
e
t
h
e
a
c
q
u
i
s
i
t
i
o
n
w
i
t
h
o
u
t
e
r
r
o
r
.
P
h
y
si
c
a
l
A
c
q
u
i
si
t
i
o
n
;
D
a
t
a
i
s
p
r
e
se
n
t
e
d
i
n
a
u
se
a
b
l
e
f
o
r
mat
.
M
D
T
-
AO
-
13
I
f
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
su
p
p
o
r
t
s
p
r
o
p
e
r
d
i
sp
l
a
y
o
f
n
o
n
-
A
S
C
I
I
c
h
a
r
a
c
t
e
r
s t
h
e
n
a
c
q
u
i
r
e
d
d
a
t
a
c
o
n
t
a
i
n
i
n
g
n
o
n
-
A
S
C
I
I
c
h
a
r
a
c
t
e
r
s sh
o
u
l
d
b
e
p
r
e
se
n
t
e
d
i
n
t
h
e
i
r
n
a
t
i
v
e
f
o
r
mat
.
A
c
q
u
i
s
i
t
i
o
n
o
f
d
a
t
a
c
o
n
t
a
i
n
i
n
g
n
o
n
-
A
S
C
I
I
c
h
a
r
a
c
t
e
r
s
M
D
T
-
AO
-
15
I
f
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
su
p
p
o
r
t
s
h
a
s
h
i
n
g
f
o
r
i
n
d
i
v
i
d
u
a
l
d
a
t
a
o
b
j
e
c
t
s
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
p
r
e
se
n
t
t
h
e
u
se
r
w
i
t
h
a
h
a
s
h
v
a
l
u
e
f
o
r
e
a
c
h
s
u
p
p
o
r
t
e
d
d
a
t
a
o
b
j
e
c
t
.
A
c
q
u
i
r
e
d
a
t
a
;
C
h
e
c
k
k
n
o
w
n
h
a
s
h
v
a
l
u
e
s fo
r
c
o
n
s
i
st
e
n
c
y
M
D
T
-
AO
-
16
I
f
t
h
e
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
su
p
p
o
r
t
s a
c
q
u
i
si
t
i
o
n
o
f
G
P
S
d
a
t
a
t
h
e
n
t
h
e
t
o
o
l
sh
a
l
l
p
r
e
se
n
t
t
h
e
u
se
r
w
i
t
h
t
h
e
l
o
n
g
i
t
u
d
e
a
n
d
l
a
t
i
t
u
d
e
c
o
o
r
d
i
n
a
t
e
s fo
r
a
l
l
G
P
S
-
r
e
l
a
t
e
d
d
a
t
a
i
n
a
u
se
a
b
l
e
f
o
r
mat
.
A
c
q
u
i
r
e
d
a
t
a
;
C
h
e
c
k
G
P
S
d
a
t
a
f
o
r
c
o
n
si
s
t
e
n
cy
M
o
b
i
l
e
D
e
v
i
c
e
To
o
l
-
C
o
r
e
R
e
q
u
i
r
e
men
t
(
M
D
T
-
CR)
C
o
r
e
R
e
q
u
i
r
e
me
n
t
I
D
C
o
mm
e
n
t
s
M
D
T
-
CR
-
01
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
r
e
c
o
g
n
i
z
e
su
p
p
o
r
t
e
d
d
e
v
i
c
e
s v
i
a
su
g
g
e
st
e
d
i
n
t
e
r
f
a
c
e
s (e
.
g
.
,
c
a
b
l
e
,
B
l
u
e
t
o
o
t
h
)
M
D
T
-
CR
-
02
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
n
o
t
i
f
y
t
h
e
u
se
r
o
f
c
o
n
n
e
c
t
i
v
i
t
y
e
r
r
o
r
s
b
e
t
w
e
e
n
t
h
e
d
e
v
i
c
e
a
n
d
a
p
p
l
i
c
a
t
i
o
n
d
u
r
i
n
g
d
a
t
a
e
x
t
r
a
c
t
i
o
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
8
,
No
.
5
,
Octo
b
er
2
0
1
8
:
3
9
9
1
–
4
0
0
3
3996
T
h
e
m
ea
s
u
r
e
m
en
t
p
ar
a
m
eter
s
ar
e
d
iv
i
d
ed
in
to
4
ty
p
es,
n
a
m
e
l
y
C
o
r
e
Ass
er
tio
n
s
,
Op
tio
n
al
Ass
er
tio
n
s
,
C
o
r
e
R
eq
u
ir
e
m
e
n
t
s
,
an
d
Op
ti
o
n
al
R
eq
u
ir
e
m
e
n
ts
.
C
o
r
e
A
s
s
er
tio
n
s
lead
s
to
lo
g
ical
ac
q
u
i
s
itio
n
f
ea
t
u
r
es
an
d
ca
p
ab
ilit
ies,
Op
tio
n
al
A
s
s
er
ti
o
n
s
lead
s
to
p
h
y
s
ical
ac
q
u
is
i
t
io
n
f
ea
t
u
r
es
a
n
d
ca
p
ab
ilit
ies
,
C
o
r
e
R
eq
u
ir
e
m
en
t
s
lead
s
to
lo
g
ical
ac
q
u
is
it
io
n
r
e
q
u
ir
e
m
e
n
ts
th
at
a
f
o
r
en
s
ic
to
o
l
s
h
a
ll
h
a
v
e,
a
n
d
Op
tio
n
al
R
e
q
u
ir
e
m
e
n
ts
lead
s
to
p
h
y
s
ical
ac
q
u
i
s
itio
n
r
eq
u
ir
e
m
en
ts
th
at
a
f
o
r
en
s
ic
to
o
l
s
h
a
ll
h
a
v
e.
T
h
e
R
e
s
ea
r
ch
er
s
d
o
es
n
o
t
in
cl
u
d
e
t
h
e
p
ar
am
eter
s
o
f
MD
T
-
CA
-
1
0
an
d
th
e
p
ar
am
eter
s
o
n
Un
iv
er
s
a
l
I
n
teg
r
ated
C
ir
cu
it
C
ar
d
(
UI
C
C
)
b
ec
au
s
e
th
e
d
ata
o
n
B
B
M
ap
p
licatio
n
ar
e
s
to
r
e
d
in
th
e
i
n
ter
n
al
m
e
m
o
r
y
,
n
o
t
UI
C
C
.
T
h
er
e
ar
e
s
ev
er
al
ad
d
itio
n
al
m
ea
s
u
r
e
m
e
n
t
p
ar
a
m
eter
s
ad
d
ed
b
y
T
h
e
R
esear
c
h
er
s
a
s
s
h
o
w
n
i
n
T
ab
le
6
.
T
h
e
ad
d
itio
n
al
p
ar
a
m
eter
s
ar
e
m
o
r
e
f
o
cu
s
ed
o
n
th
e
ab
ili
ties
o
f
f
o
r
en
s
ic
to
o
ls
to
ex
tr
ac
t
d
ig
ita
l
ev
id
en
ce
s
f
r
o
m
B
B
M
f
o
r
lo
g
i
ca
l
ac
q
u
is
itio
n
an
d
p
h
y
s
ical
a
cq
u
is
itio
n
th
a
t
ess
e
n
tial
f
o
r
f
o
r
en
s
ic
i
n
v
e
s
ti
g
ato
r
d
u
r
in
g
in
v
est
ig
at
io
n
o
f
d
i
g
ital
cr
i
m
e
ca
s
es r
elate
d
to
B
B
M.
T
ab
le
6
.
A
d
d
itio
n
al
B
B
M
A
r
ti
f
ac
ts
No
B
B
M
A
r
t
i
f
a
c
t
s
1
B
B
M
A
c
c
o
u
n
t
P
r
o
f
i
l
e
2
C
o
n
t
a
c
t
L
i
st
(
P
I
N
I
n
c
l
u
d
e
d
)
3
C
o
n
v
e
r
sat
i
o
n
D
a
t
a
4
I
mag
e
s
2
.
2
.
Resea
rc
h
m
et
o
do
lo
g
y
T
h
is
r
esear
ch
u
s
e
s
t
h
e
Mo
b
ile
Fo
r
en
s
ic
f
r
a
m
e
w
o
r
k
i
s
s
u
ed
b
y
t
h
e
Natio
n
al
I
n
s
ti
tu
te
o
f
Sta
n
d
ar
d
s
an
d
T
ec
h
n
o
lo
g
y
(
NI
ST
)
.
NI
S
T
Mo
b
ile
Fo
r
en
s
ic
co
n
s
is
t
s
o
f
4
co
n
s
ec
u
ti
v
e
s
ta
g
e
s
as ill
u
s
tr
ated
i
n
Fi
g
u
r
e
4
[
2
3
]
.
Fig
u
r
e
4
.
NI
ST
m
o
b
ile
f
o
r
en
s
i
c
s
tag
es
B
ased
o
n
Fig
u
r
e
4
,
it c
an
b
e
d
escr
ib
ed
th
e
m
o
b
ile
f
o
r
en
s
ic
a
n
al
y
s
i
s
s
ta
g
es a
s
f
o
llo
w
s
[
2
4
]
:
a.
C
o
llectio
n
:
T
h
i
s
p
h
a
s
e
co
n
tai
n
ed
th
e
p
r
o
ce
s
s
o
f
id
en
ti
f
y
,
l
ab
el,
r
ec
o
r
d
,
an
d
r
etr
ie
v
e
d
ata
f
r
o
m
r
ele
v
an
t
d
ata
s
o
u
r
ce
s
b
y
f
o
llo
w
in
g
d
a
ta
in
te
g
r
it
y
p
r
eser
v
atio
n
p
r
o
ce
d
u
r
es.
I
n
th
is
p
h
a
s
e,
n
o
f
o
r
e
n
s
ic
to
o
ls
u
s
ed
s
in
ce
f
o
r
en
s
ic
e
x
a
m
i
n
er
s
w
ill
co
n
d
u
ct
th
e
i
n
v
est
ig
atio
n
b
ase
d
o
n
p
h
y
s
ca
l d
ata
o
n
p
h
y
s
ical
ev
id
en
ce
s
.
b.
E
x
a
m
in
at
io
n
:
I
n
th
is
p
h
a
s
e
a
c
tu
al
d
ata
i
s
g
at
h
er
ed
f
r
o
m
p
h
y
s
ical
e
v
id
en
ce
.
I
n
an
id
ea
l
ca
s
e
th
e
d
ata
i
s
f
o
r
en
s
ica
ll
y
co
p
ied
f
r
o
m
th
e
p
h
o
n
e
as
w
ell
as
f
r
o
m
t
h
e
SIM
C
ar
d
.
I
n
s
o
m
e
ca
s
es
tec
h
n
ica
l
d
if
f
c
u
lt
ies
ca
n
p
r
ev
en
t
a
d
ig
ital
ac
c
u
s
a
tio
n
o
f
th
e
d
ev
ice.
I
n
a
w
o
r
s
t
ca
s
e
s
c
en
ar
io
o
n
l
y
s
c
r
ee
n
ca
p
tu
r
es
o
f
th
e
p
h
o
n
e
ca
n
b
e
g
ath
er
ed
.
c.
An
al
y
s
i
s
:
An
al
y
ze
t
h
e
r
es
u
lt
s
o
f
t
h
e
e
x
a
m
in
at
io
n
b
y
u
s
i
n
g
tech
n
icall
y
a
n
d
leg
a
ll
y
j
u
s
ti
f
ied
m
et
h
o
d
s
to
o
b
tain
u
s
e
f
u
l
in
f
o
r
m
atio
n
an
d
an
s
w
er
th
e
q
u
es
tio
n
s
t
h
at
en
co
u
r
ag
e
th
e
co
llectio
n
a
n
d
ex
a
m
i
n
atio
n
.
T
h
e
an
al
y
s
i
s
co
n
d
u
ce
t
i
s
n
o
t
o
n
l
y
h
o
w
to
p
r
esen
t
th
e
d
i
g
ital
e
v
id
en
ce
as
a
to
o
l
o
n
co
u
r
t,
b
u
t
also
h
o
w
to
d
eter
m
in
e
f
o
r
en
s
ic
to
o
l
’
s
p
er
f
o
r
m
a
n
ce
t
h
at
u
s
ed
o
n
p
h
y
s
ical
ev
id
en
ce
.
M
o
b
i
l
e
D
e
v
i
c
e
To
o
l
-
C
o
r
e
R
e
q
u
i
r
e
men
t
(
M
D
T
-
CR)
C
o
r
e
R
e
q
u
i
r
e
me
n
t
I
D
C
o
mm
e
n
t
s
M
D
T
-
CR
-
03
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
p
e
r
f
o
r
m a
l
o
g
i
c
a
l
d
a
t
a
e
x
t
r
a
c
t
i
o
n
o
f
su
p
p
o
r
t
e
d
d
a
t
a
o
b
j
e
c
t
s w
i
t
h
o
u
t
mo
d
i
f
i
c
a
t
i
o
n
M
o
b
i
l
e
D
e
v
i
c
e
To
o
l
-
R
e
q
u
i
r
e
me
n
t
O
p
t
i
o
n
a
l
(
M
D
T
-
R
O
)
R
e
q
u
i
r
e
me
n
t
O
p
t
i
o
n
a
l
I
D
C
o
mm
e
n
t
s
M
D
T
-
RO
-
01
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
p
e
r
f
o
r
m a
p
h
y
si
c
a
l
d
a
t
a
e
x
t
r
a
c
t
i
o
n
f
o
r
su
p
p
o
r
t
e
d
d
e
v
i
c
e
s
M
D
T
-
RO
-
02
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
n
o
t
i
f
y
t
h
e
u
se
r
o
f
c
o
n
n
e
c
t
i
v
i
t
y
e
r
r
o
r
s
b
e
t
w
e
e
n
t
h
e
d
e
v
i
c
e
a
n
d
a
p
p
l
i
c
a
t
i
o
n
d
u
r
i
n
g
a
p
h
y
si
c
a
l
d
a
t
a
e
x
t
r
a
c
t
i
o
n
M
D
T
-
RO
-
03
A
mo
b
i
l
e
d
e
v
i
c
e
f
o
r
e
n
si
c
t
o
o
l
sh
a
l
l
h
a
v
e
t
h
e
a
b
i
l
i
t
y
t
o
p
e
r
f
o
r
m a
p
h
y
si
c
a
l
d
a
t
a
e
x
t
r
a
c
t
i
o
n
(
b
o
o
t
l
o
a
d
e
r
,
JT
A
G
,
I
S
P
)
o
f
r
e
a
d
a
b
l
e
me
mo
r
y
w
i
t
h
o
u
t
mo
d
i
f
i
c
a
t
i
o
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
F
o
r
en
s
ic
To
o
ls
P
erfo
r
ma
n
ce
A
n
a
lysi
s
o
n
A
n
d
r
o
id
-
b
a
s
ed
B
l
a
ck
b
err
y
M
ess
en
g
er u
s
in
g
...
(
I
ma
m
R
ia
d
i)
3997
d.
R
ep
o
r
tin
g
:
T
h
e
last
s
tep
is
t
h
e
m
o
s
t
i
m
p
o
r
tan
t.
T
h
is
p
h
ase
i
s
th
e
p
r
esen
tatio
n
o
f
t
h
e
o
u
tco
m
e
o
f
th
e
w
h
o
le
p
r
o
ce
s
s
in
a
co
n
clu
s
iv
e
m
a
n
n
er
an
d
o
f
f
er
th
e
o
th
er
p
ar
t
y
i
n
f
o
r
m
atio
n
ab
o
u
t
th
e
f
o
r
en
s
ic
t
o
o
ls
ev
alu
atio
n
an
d
m
et
h
o
d
s
u
s
ed
.
3.
RE
SU
L
T
S
A
ND
AN
AL
Y
SI
S
T
h
e
f
u
n
ctio
n
alit
y
o
f
NI
ST
Mo
b
ile
Fo
r
en
s
ics
Fra
m
e
w
o
r
k
i
s
n
o
t
li
m
ited
to
e
x
tr
ac
ti
n
g
an
d
r
etr
iev
i
n
g
d
ig
ital
ev
id
en
ce
as
a
to
o
l
to
r
eso
lv
e
d
ig
i
tal
cr
i
m
e
ca
s
e
s
t
h
at
p
r
esen
ted
in
co
u
r
t,
b
u
t
t
h
is
f
r
a
m
e
w
o
r
k
i
s
also
ca
n
b
e
i
m
p
le
m
en
ted
o
n
a
co
m
p
ar
is
o
n
a
n
al
y
s
i
s
o
f
f
o
r
en
s
ic
to
o
l
p
er
f
o
r
m
a
n
ce
as
co
n
d
u
cted
i
n
th
i
s
r
e
s
ea
r
ch
.
T
h
e
r
esu
lt
s
o
f
t
h
e
co
m
p
ar
is
o
n
a
n
al
y
s
i
s
o
f
t
h
is
f
o
r
en
s
ic
to
o
l
w
i
ll
b
e
p
r
esen
ted
at
t
h
e
r
ep
o
r
tin
g
s
tag
e.
T
h
e
s
ta
g
e
s
o
f
co
m
p
ar
ati
v
e
an
al
y
s
is
co
n
d
u
cte
d
u
s
in
g
NI
ST
Mo
b
ile
Fo
r
en
s
ic
s
Fra
m
e
w
o
r
k
ar
e
d
escr
ib
ed
as f
o
llo
w
s
:
3
.
1
.
Co
llect
io
n
A
t
t
h
i
s
s
ta
g
e
,
co
llectio
n
a
n
d
d
ata
r
ec
o
r
d
in
g
o
f
p
h
y
s
ical
ev
id
en
ce
i
s
c
o
n
d
u
cted
.
T
h
is
p
h
y
s
ica
l
ev
id
en
ce
d
ata
co
llectio
n
p
r
o
ce
s
s
i
n
cl
u
d
es
t
h
e
i
m
a
g
e
o
f
p
h
y
s
ical
ev
id
en
ce
,
b
r
an
d
s
,
s
p
ec
i
f
icatio
n
s
,
o
p
er
atin
g
s
y
s
te
m
s
,
I
ME
I
,
an
d
o
th
er
d
ata
th
at
ca
n
b
e
ex
tr
ac
ted
f
r
o
m
p
h
y
s
ical
e
v
id
en
ce
s
w
i
th
o
u
t
u
s
in
g
an
y
f
o
r
en
s
ic
to
o
ls
.
I
n
th
i
s
r
esear
ch
t
h
e
co
llected
p
h
y
s
ical
ev
id
en
ce
is
in
t
h
e
f
o
r
m
o
f
2
an
d
r
o
id
-
b
ased
s
m
ar
tp
h
o
n
es.
T
h
e
r
esu
lt
o
f
th
is
s
tag
e
i
s
as s
h
o
w
n
o
n
T
ab
l
e
7
.
T
ab
le
7
.
P
h
y
s
ical
E
v
id
en
ce
’
s
Sp
ec
if
icatio
n
P
h
y
si
c
a
l
Ev
i
d
e
n
c
e
1
B
r
a
n
d
S
o
n
y
S
e
r
i
a
l
X
p
e
r
i
a
M
o
d
e
l
Z
M
o
d
e
l
#
C
6
6
0
2
IM
EI
3
5
5
6
6
6
0
5
0
6
2
0
x
x
x
OS
A
n
d
r
o
i
d
V
e
r
si
o
n
5
.
1
.
1
(
L
o
l
l
y
p
o
p
)
P
r
o
c
e
sso
r
Q
u
a
d
c
o
r
e
1
.
5
G
H
z
K
r
a
i
t
P
h
y
si
c
a
l
Ev
i
d
e
n
c
e
2
B
r
a
n
d
S
a
msu
n
g
S
e
r
i
a
l
G
a
l
a
x
y
M
o
d
e
l
A
M
o
d
e
l
#
SM
-
A
5
0
0
F
I
M
E
I
-
OS
A
n
d
r
o
i
d
V
e
r
si
o
n
6
.
0
.
1
(
M
a
r
sh
mal
l
o
w
)
P
r
o
c
e
sso
r
Q
u
a
d
c
o
r
e
1
.
2
G
H
z
C
o
r
t
e
x
-
A
5
3
3
.
2
.
E
x
a
m
i
na
t
io
n
E
x
a
m
in
at
io
n
is
t
h
e
p
r
o
ce
s
s
o
f
p
h
y
s
ical
ev
id
e
n
ce
b
ac
k
u
p
an
d
r
etr
iev
al
o
f
d
ig
ital
d
ata
t
h
at
co
n
tain
ed
in
it.
A
t
t
h
i
s
s
ta
g
e
th
e
c
lo
n
i
n
g
p
r
o
ce
s
s
o
f
p
h
y
s
ical
e
v
id
en
ce
i
s
co
n
d
u
c
ted
.
I
n
t
h
is
r
esear
ch
,
t
h
e
clo
n
in
g
p
r
o
ce
s
s
co
n
d
u
cte
d
b
y
u
s
in
g
M
OB
I
L
e
d
it
Fo
r
en
s
ic
E
x
p
r
ess
[
2
5
]
.
MO
B
I
L
ed
it
Fo
r
en
s
ic
E
x
p
r
ess
i
s
a
to
o
l
w
it
h
b
ac
k
u
p
an
d
clo
n
i
n
g
f
ea
t
u
r
es,
b
y
u
s
i
n
g
th
is
f
ea
t
u
r
e,
f
o
r
en
s
ic
ex
a
m
i
n
er
s
ar
e
ab
le
to
m
ai
n
tai
n
th
e
i
n
teg
r
i
t
y
o
f
p
h
y
s
ical
an
d
d
ig
ital e
v
id
en
ce
s
.
T
h
e
p
r
o
ce
s
s
an
d
t
h
e
r
esu
l
t is as
s
h
o
w
n
o
n
Fig
u
r
e
5
.
Fig
u
r
e
5
.
C
lo
n
i
n
g
p
r
o
ce
s
s
a
n
d
r
esu
lt
s
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
8
,
No
.
5
,
Octo
b
er
2
0
1
8
:
3
9
9
1
–
4
0
0
3
3998
I
n
t
h
is
s
ta
g
e,
th
e
r
etr
iev
al
p
r
o
ce
s
s
o
f
d
i
g
ital
ev
id
e
n
ce
w
i
ll
b
e
co
n
d
u
cted
b
y
u
s
in
g
An
d
r
ille
r
,
Ox
y
g
e
n
Fo
r
en
s
ic
S
u
ite,
an
d
Au
to
p
s
y
4
.
1
.
1
.
3
.
2
.
1
.
Andrill
er
E
x
a
m
in
at
io
n
p
r
o
ce
s
s
t
h
at
co
n
d
u
cted
u
s
i
n
g
An
d
r
iller
r
es
u
lted
an
in
teg
r
ated
HT
ML
r
ep
o
r
t
th
at
co
n
tain
ed
all
th
e
d
ata
e
x
t
r
ac
te
d
f
r
o
m
p
h
y
s
ica
l
ev
id
e
n
ce
,
th
e
ex
a
m
in
at
io
n
p
r
o
ce
s
s
f
o
r
b
o
th
p
h
y
s
ical
ev
id
en
ce
s
s
h
o
w
n
o
n
Fi
g
u
r
e
6
.
Fig
u
r
e
6
.
E
x
a
m
i
n
atio
n
p
r
o
ce
s
s
u
s
i
n
g
An
d
r
iller
Fo
r
en
s
ic
e
x
a
m
in
er
s
t
h
en
w
ill
b
e
ab
le
to
n
av
i
g
ate
t
h
r
o
u
g
h
t
h
e
g
en
er
ated
HT
ML
r
ep
o
r
t
to
f
in
d
d
ig
ita
l
ev
id
en
ce
n
ee
d
ed
.
T
h
e
r
esu
lt f
r
o
m
b
o
th
p
h
y
s
ical
e
v
id
en
ce
s
s
h
o
w
n
o
n
Fi
g
u
r
e
7
.
Fig
u
r
e
7
.
An
d
r
iller
’
s
e
x
a
m
i
n
at
io
n
r
esu
lt
T
h
e
ex
a
m
in
a
tio
n
r
es
u
lt
th
e
n
w
il
l
b
e
an
al
y
ze
d
an
d
co
m
p
ar
ed
to
o
th
er
f
o
r
en
s
ic
to
o
ls
u
s
ed
in
th
is
r
esear
ch
an
d
th
e
co
m
p
ar
ati
v
e
an
al
y
s
is
r
e
s
u
lt
w
ill b
e
p
r
esen
te
d
in
R
ep
o
r
tin
g
p
h
ase.
3
.
2
.
2
.
O
x
y
g
en
f
o
re
ns
ic
s
uite
Ox
y
g
e
n
Fo
r
en
s
ic
h
a
s
t
h
e
ab
ilit
y
to
p
er
f
o
r
m
lo
g
ical
ac
q
u
is
itio
n
a
n
d
p
h
y
s
ical
ac
q
u
is
itio
n
.
E
x
a
m
in
at
io
n
p
r
o
ce
s
s
t
h
at
co
n
d
u
cted
o
n
b
o
th
p
h
y
s
ical
e
v
id
e
n
ce
s
u
s
in
g
O
x
y
g
e
n
Fo
r
e
n
s
ic
S
u
i
te
a
s
t
h
e
f
o
r
e
n
s
ic
to
o
l is as sh
o
w
n
o
n
Fi
g
u
r
e
8
.
E
x
a
m
in
at
io
n
r
esu
l
t
th
at
ac
q
u
i
r
ed
u
s
in
g
Ox
y
g
e
n
Fo
r
en
s
ic
S
u
ite
p
r
o
v
id
e
co
m
p
lete
d
ata
o
f
p
h
y
s
ica
l
ev
id
en
ce
th
at
co
n
tai
n
ed
De
v
i
ce
I
n
f
o
r
m
atio
n
,
Fo
r
en
s
ic
E
x
a
m
i
n
er
’
s
I
d
en
tit
y
,
L
i
s
t
o
f
C
o
n
tact,
an
d
I
n
s
talled
A
p
p
lica
tio
n
,
B
B
M
in
cl
u
d
ed
.
Fig
u
r
e
9
s
h
o
w
ed
ex
a
m
in
at
io
n
r
esu
lt
f
r
o
m
b
o
th
p
h
y
s
ical
ev
id
e
n
ce
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
F
o
r
en
s
ic
To
o
ls
P
erfo
r
ma
n
ce
A
n
a
lysi
s
o
n
A
n
d
r
o
id
-
b
a
s
ed
B
l
a
ck
b
err
y
M
ess
en
g
er u
s
in
g
...
(
I
ma
m
R
ia
d
i)
3999
Sa
m
e
w
it
h
An
d
r
iller
,
Fo
r
en
s
ic
E
x
a
m
i
n
er
s
t
h
en
w
i
ll
b
e
ab
le
to
n
av
i
g
ate
th
r
o
u
g
h
th
i
s
g
e
n
er
a
ted
r
ep
o
r
t
to
f
i
n
d
d
i
g
ital
e
v
id
e
n
ce
n
ee
d
ed
.
T
h
is
ex
a
m
i
n
atio
n
r
es
u
lt
als
o
w
i
ll
b
e
a
n
al
y
ze
d
a
n
d
co
m
p
a
r
ed
to
o
th
er
f
o
r
en
s
i
c
to
o
ls
u
s
ed
in
t
h
i
s
r
esear
ch
an
d
th
e
co
m
p
ar
ati
v
e
an
al
y
s
i
s
r
es
u
l
t
w
il
l b
e
p
r
esen
ted
in
R
ep
o
r
tin
g
p
h
ase.
Fig
u
r
e
8
.
E
x
a
m
i
n
atio
n
p
r
o
ce
s
s
u
s
i
n
g
o
x
y
g
e
n
f
o
r
en
s
ic
s
u
ite
Fig
u
r
e
9
.
Ox
y
g
e
n
f
o
r
en
s
ic
S
u
i
te’
s
e
x
a
m
in
a
tio
n
r
es
u
lt
3
.
2
.
3
.
Aut
o
ps
y
4
.
1
.
1
Au
to
p
s
y
d
o
es
n
o
t
h
a
v
e
d
at
a
ex
a
m
in
at
io
n
f
ea
tu
r
e
f
o
r
th
e
A
n
d
r
o
id
p
latf
o
r
m
,
d
i
g
ita
l
ev
id
en
ce
ex
a
m
in
at
io
n
p
r
o
ce
s
s
ca
n
b
e
d
o
n
e
th
r
o
u
g
h
i
m
a
g
e/clo
n
in
g
o
f
p
h
y
s
ical
e
v
id
en
ce
(
lo
g
ical
ex
a
m
in
at
io
n
)
.
T
h
e
ex
a
m
in
at
io
n
r
es
u
lt
o
f
b
o
th
p
h
y
s
ical
ev
id
e
n
ce
is
as i
n
Fi
g
u
r
e
1
0
.
Fig
u
r
e
10
.
A
u
to
p
s
y
4
.
1
.
1
’
s
ex
a
m
i
n
atio
n
r
es
u
lt
3
.
3
.
Ana
ly
s
is
An
al
y
s
i
s
is
a
s
ta
g
e
to
ch
ec
k
an
d
co
m
p
ar
e
E
x
a
m
i
n
atio
n
r
esu
lt
t
h
o
r
o
u
g
h
l
y
to
g
et
t
h
e
p
er
f
o
r
m
an
c
e
an
al
y
s
is
f
o
r
en
s
ic
to
o
l
u
s
ed
.
T
h
is
s
tag
e
li
m
i
ts
t
h
e
s
ea
r
ch
i
n
g
p
r
o
ce
s
s
to
a
ce
r
tain
p
o
in
t
th
at
co
n
n
ec
ted
to
ce
r
tai
n
d
ata
o
r
ap
p
licatio
n
.
A
t t
h
is
r
es
ea
r
ch
,
th
e
s
ea
r
c
h
li
m
it is
B
B
M.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
8
,
No
.
5
,
Octo
b
er
2
0
1
8
:
3
9
9
1
–
4
0
0
3
4000
B
ased
o
n
t
h
e
e
x
a
m
i
n
atio
n
p
r
o
ce
s
s
co
n
d
u
cted
,
An
d
r
iller
was
ab
le
to
co
n
d
u
ct
p
h
y
s
ica
l
a
cq
u
is
itio
n
o
n
l
y
.
An
d
r
iller
h
a
v
e
m
a
n
y
s
h
o
r
tco
m
i
n
g
s
i
n
ter
m
s
o
f
C
o
r
e
A
s
s
er
tio
n
s
an
d
Op
tio
n
al
Ass
er
tio
n
s
.
T
h
e
ex
a
m
in
at
io
n
r
es
u
lt
s
h
o
w
s
th
a
t
An
d
r
iller
w
as
ab
le
to
g
et
s
o
m
e
in
f
o
r
m
a
tio
n
r
eg
ar
d
i
n
g
s
m
ar
tp
h
o
n
e
d
e
v
ices
,
s
u
c
h
as
I
ME
I
(
I
n
ter
n
atio
n
a
l
Mo
b
ile
E
q
u
ip
m
e
n
t
I
d
en
ti
t
y
)
,
A
DB
Ser
ial,
Ma
n
u
f
ac
t
u
r
er
,
an
d
An
d
r
o
id
v
er
s
io
n
.
Fro
m
th
e
NI
ST
p
ar
am
eter
s
u
s
ed
,
A
n
d
r
iller
s
u
cc
ee
d
ed
in
m
e
etin
g
th
e
cr
iter
ia
o
f
MD
T
-
CA
-
0
1
,
MD
T
-
CA
-
0
2
,
MD
T
-
CA
-
0
3
,
MD
T
-
CA
-
0
4
,
MD
T
-
CA
-
0
5
,
MD
T
-
CA
-
0
6
,
MD
T
-
AO
-
1
2
,
MD
T
-
RO
-
0
1
,
MD
T
-
RO
-
0
2
,
an
d
MD
T
-
RO
-
0
3
.
As
f
o
r
ad
d
itio
n
al
p
ar
a
m
eter
ad
d
ed
b
y
T
h
e
R
esear
ch
er
s
,
An
d
r
iller
w
a
s
a
b
l
e
to
ac
q
u
ir
e
d
ig
ita
l
ev
id
en
ce
i
n
th
e
f
o
r
m
o
f
C
o
n
v
e
r
s
atio
n
Data
as
s
h
o
w
n
o
n
Fi
g
u
r
e
1
1
.
Fig
u
r
e
11
.
A
n
d
r
iller
’
s
co
n
v
er
s
atio
n
d
ata
As
f
o
r
O
x
y
g
e
n
Fo
r
en
s
ic
S
u
it
e,
th
is
f
o
r
en
s
ic
to
o
l
w
as
ab
l
e
to
co
n
d
u
ct
b
o
th
p
h
y
s
ical
a
n
d
lo
g
ical
ac
q
u
is
itio
n
.
T
h
e
ex
a
m
i
n
atio
n
r
esu
lt
also
p
r
o
v
id
es
in
f
o
r
m
atio
n
o
n
s
m
ar
tp
h
o
n
e
d
ev
ice
s
,
s
u
ch
as
I
ME
I
,
Ma
n
u
f
ac
t
u
r
er
,
an
d
An
d
r
o
id
v
er
s
io
n
.
Fro
m
th
e
NI
ST
p
ar
a
m
eter
s
u
s
ed
,
Ox
y
g
e
n
Fo
r
en
s
i
c
Su
ite
s
u
ce
ed
ed
in
m
ee
ti
n
g
t
h
e
cr
iter
ia
o
f
MD
T
-
CA
-
0
1
,
MD
T
-
CA
-
0
2
,
MD
T
-
CA
-
0
3
,
MD
T
-
CA
-
0
4
,
MD
T
-
CA
-
0
5
,
MD
T
-
CA
-
0
6
,
MD
T
-
CA
-
0
9
,
MD
T
-
AO
-
1
2
,
MD
T
-
RO
-
0
1
,
MD
T
-
RO
-
0
2
,
MD
T
-
RO
-
0
3
,
a
n
d
MD
T
-
CR
-
0
3
.
A
s
f
o
r
ad
d
itio
n
a
l
p
ar
am
eter
s
ad
d
ed
b
y
T
h
e
R
e
s
ea
r
ch
er
s
,
O
x
y
g
e
n
Fo
r
en
s
ic
Su
ite
w
as
ab
le
to
ac
q
u
ir
e
all
t
y
p
e
o
f
ad
d
itio
n
al
p
ar
am
eter
s
f
r
o
m
b
o
th
p
h
y
s
ica
l
ev
id
en
ce
s
as
s
h
o
w
n
o
n
F
ig
u
r
e
1
2
,
Fig
u
r
e
1
3
,
Fig
u
r
e
1
4
,
a
n
d
Fi
g
u
r
e
1
5
,
as
i
n
ac
co
r
d
an
ce
to
MD
T
-
AO
-
1
3
N
I
ST
P
ar
am
eter
.
Fig
u
r
e
12
.
Ox
y
g
en
f
o
r
en
s
ic
s
u
ite’
s
B
B
M
ac
co
u
n
t p
r
o
f
ile
ar
tif
ac
t
Fig
u
r
e
13
.
Ox
y
g
en
f
o
r
en
s
ic
s
u
ite’
s
B
B
M
ch
at
ar
ti
f
ac
t
Evaluation Warning : The document was created with Spire.PDF for Python.