I
n
d
on
e
s
ian
Jou
r
n
al
o
f
E
lec
t
r
ica
l
E
n
gin
e
e
r
in
g
a
n
d
Com
p
u
t
e
r
S
c
ience
Vo
l
.
3
7
,
N
o
.
1
,
J
a
n
ua
r
y
20
2
5
,
pp.
49
8
~
50
6
I
S
S
N:
2
502
-
4
7
52
,
DO
I
:
10
.
11591/i
j
e
e
cs
.v
3
7
.
i
1
.
pp
49
8
-
50
6
498
Jou
r
n
al
h
o
m
e
page
:
ht
tp:
//
ij
e
e
cs
.
iaes
c
or
e
.
c
om
I
m
p
le
m
e
n
t
in
g
z
e
r
o
-
k
n
ow
le
d
ge
p
r
oof
au
t
h
e
n
t
ic
at
io
n
on
Hy
p
e
r
l
e
d
ge
r
f
ab
r
i
c
t
o e
n
h
an
c
e
p
at
ie
n
t
p
r
iv
a
c
y
an
d
ac
c
e
ss
c
on
t
r
ol
P
r
ave
e
n
a
B
oll
y
Jos
h
i,
Ar
iva
z
h
agan
Nat
e
s
an
D
e
pa
r
tm
e
nt
of
C
o
mput
a
ti
o
na
l
I
nt
e
ll
ig
e
n
c
e
,
S
R
M
I
ns
ti
tu
te
of
S
c
ie
n
c
e
a
nd
T
e
c
hn
o
l
o
g
y
,
K
a
tt
a
nkul
a
th
ur
, I
nd
ia
Ar
t
ic
l
e
I
n
f
o
AB
S
T
RA
CT
A
r
ti
c
le
h
is
tor
y
:
R
e
c
e
i
ve
d
M
a
y
15
,
202
4
R
e
vi
s
e
d
S
e
p
6
,
202
4
A
c
c
e
pt
e
d
S
e
p
29
,
202
4
I
n
r
ece
n
t
y
ears
,
t
h
e
h
e
a
l
t
h
c
ar
e
s
ec
t
o
r
h
as
en
c
o
u
n
t
e
r
e
d
s
i
g
n
i
fi
c
a
n
t
c
h
a
l
l
en
g
e
s
i
n
a
u
t
h
e
n
t
i
c
at
i
n
g
i
d
e
n
t
i
t
i
e
s
f
o
r
o
n
l
i
n
e
me
d
i
c
al
s
e
r
v
i
ce
s
.
A
p
r
e
d
o
m
i
n
an
t
re
l
i
an
ce
o
n
cen
t
ral
i
z
ed
i
d
e
n
t
i
t
y
m
a
n
ag
eme
n
t
s
y
s
t
em
s
(ID
Ms
)
h
as
p
re
s
e
n
t
e
d
o
b
s
t
ac
l
e
s
t
o
t
h
e
s
e
a
ml
e
s
s
e
x
ch
an
g
e
o
f
p
at
i
e
n
t
i
d
e
n
t
i
t
i
e
s
amo
n
g
v
ar
i
o
u
s
h
e
a
l
t
h
c
ar
e
i
n
s
t
i
t
u
t
i
o
n
s
,
o
ft
en
r
e
s
u
l
t
i
n
g
i
n
d
at
a
i
s
o
l
at
i
o
n
w
i
t
h
i
n
i
n
d
i
v
i
d
u
a
l
s
i
l
o
s
.
O
f
p
aram
o
u
n
t
co
n
ce
rn
ar
e
t
h
e
p
o
t
en
t
i
al
p
ri
v
a
cy
b
re
ach
e
s
as
s
o
c
i
at
ed
w
i
t
h
cen
t
ral
i
z
ed
I
D
Ms
,
w
h
i
c
h
m
a
y
c
o
m
p
ro
mi
s
e
p
at
i
en
t
c
o
n
fi
d
e
n
t
i
a
l
i
t
y
.
I
n
r
e
s
p
o
n
s
e
t
o
t
h
e
s
e
c
h
a
l
l
en
g
e
s
,
w
e
p
ro
p
o
s
e
a
n
o
v
el
a
p
p
ro
ac
h
t
o
s
ecu
rel
y
s
h
ari
n
g
p
at
i
en
t
d
e
t
ai
l
s
a
c
ro
s
s
m
u
l
t
i
p
l
e
h
o
s
p
i
t
al
s
u
t
i
l
i
z
i
n
g
t
h
e
z
e
ro
-
k
n
o
w
l
e
d
g
e
acce
s
s
p
ro
t
o
co
l
(M
e
d
i
Cr
y
p
t
-
Z
K
A
P)
w
i
t
h
i
n
t
h
e
H
y
p
e
r
l
e
d
g
e
r
Fab
ri
c
b
l
o
ck
c
h
a
i
n
fra
mew
o
r
k
.
B
y
ad
o
p
t
i
n
g
M
ed
i
Cr
y
p
t
-
Z
K
A
P,
h
o
s
p
i
t
al
s
c
a
n
e
ff
ec
t
i
v
el
y
v
e
r
i
f
y
t
h
e
i
d
e
n
t
i
t
i
e
s
o
f
r
e
q
u
e
s
t
i
n
g
e
n
t
i
t
i
e
s
w
i
t
h
o
u
t
d
i
s
c
l
o
s
i
n
g
s
e
n
s
i
t
i
v
e
p
at
i
e
n
t
i
n
f
o
r
m
at
i
o
n
,
t
h
e
r
e
b
y
e
n
s
u
r
i
n
g
t
h
e
h
i
g
h
e
s
t
l
e
v
el
s
o
f
c
o
n
fi
d
e
n
t
i
a
l
i
t
y
an
d
p
ri
v
a
cy
p
ro
t
ec
t
i
o
n
.
T
h
e
p
ro
p
o
s
e
d
s
y
s
t
em
r
e
p
r
e
s
en
t
s
a
p
ro
ac
t
i
v
e
s
t
e
p
t
o
w
ard
s
a
d
d
r
e
s
s
i
n
g
t
h
e
c
r
i
t
i
c
al
n
ee
d
fo
r
s
ecu
re
an
d
i
n
t
e
r
o
p
e
rab
l
e
p
at
i
en
t
d
at
a
e
x
ch
an
g
e
w
i
t
h
i
n
t
h
e
h
e
al
t
h
c
ar
e
s
ec
t
o
r.
T
h
r
o
u
g
h
t
h
e
i
n
t
eg
rat
i
o
n
o
f
M
ed
i
Cr
y
p
t
-
Z
K
A
P
i
n
t
o
e
x
i
s
t
i
n
g
b
l
o
c
k
c
h
a
i
n
i
n
fras
t
ru
c
t
u
r
e
,
o
u
r
s
o
l
u
t
i
o
n
ai
m
s
t
o
en
h
an
ce
d
at
a
s
ecu
ri
t
y
an
d
p
ri
v
a
cy
w
h
i
l
e
p
ro
m
o
t
i
n
g
s
e
aml
e
s
s
co
l
l
ab
o
rat
i
o
n
a
m
o
n
g
h
e
a
l
t
h
c
are
i
n
s
t
i
t
u
t
i
o
n
s
.
K
e
y
w
o
r
d
s
:
B
l
o
c
kc
h
a
i
n
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
I
de
n
t
i
t
y
m
a
n
a
ge
m
e
n
t
P
r
i
va
c
y
Z
e
r
o
kn
o
wl
e
dge
pr
oo
f
Th
i
s
i
s
a
n
o
p
en
a
c
ces
s
a
r
t
i
c
l
e
u
n
d
e
r
t
h
e
CC
B
Y
-
SA
l
i
cen
s
e.
C
or
r
e
s
pon
din
g
A
u
th
or
:
P
r
a
v
e
e
n
a
B
o
l
ly
J
o
s
hi
De
pa
r
t
m
e
n
t
o
f
C
o
m
put
a
t
i
o
n
a
l
I
n
t
e
l
li
ge
n
c
e
,
S
R
M
I
n
s
t
i
t
ut
e
o
f
S
c
i
e
n
c
e
a
n
d
T
e
c
hn
o
l
o
g
y
K
a
t
t
a
n
ku
l
a
t
h
ur
,
T
a
m
i
l
na
du,
I
n
d
i
a
E
m
a
i
l
:
p
b
2102
@
s
r
mi
s
t
.
e
du.
i
n
1.
I
NT
RODU
C
T
I
ON
S
h
a
r
i
ng
h
o
s
p
i
t
a
l
d
a
t
a
wi
t
h
s
t
a
ke
h
o
l
de
r
s
i
s
c
r
uc
i
a
l
f
o
r
c
o
l
l
a
b
o
r
a
t
i
o
n
,
i
m
pr
o
vi
n
g
h
e
a
l
t
h
c
a
r
e
o
u
t
c
o
m
e
s
,
a
n
d
dr
i
vi
ng
i
nn
o
va
t
i
o
n
.
I
t
e
n
a
bl
e
s
r
e
s
e
a
r
c
h
e
r
s
t
o
c
o
n
duc
t
c
o
m
pr
e
h
e
ns
i
ve
s
t
udi
e
s
,
po
l
i
c
ym
a
ke
r
s
to
m
a
ke
i
n
f
o
r
m
e
d
de
c
i
s
i
o
ns
,
a
n
d
he
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
to
d
e
l
i
ve
r
m
o
r
e
pe
r
s
o
n
a
l
i
z
e
d
c
a
r
e
[
1]
.
H
o
we
v
e
r
,
s
h
a
r
i
n
g
s
uc
h
s
e
n
s
i
t
i
ve
da
t
a
po
s
e
s
s
i
g
nif
i
c
a
n
t
c
h
a
ll
e
n
ge
s
,
i
n
c
lud
i
n
g
e
n
s
ur
i
ng
pa
t
i
e
n
t
pr
i
v
a
c
y
a
n
d
da
t
a
s
e
c
ur
i
t
y
,
whi
c
h
r
e
qu
i
r
e
r
o
b
us
t
e
n
c
r
y
pt
i
o
n
a
n
d
c
o
m
p
li
a
n
c
e
w
i
t
h
s
t
r
i
n
ge
n
t
r
e
gul
a
t
i
o
ns
[
2]
.
I
n
t
e
r
o
pe
r
a
bi
li
t
y
i
s
s
u
e
s
b
e
t
we
e
n
d
i
f
f
e
r
e
n
t
h
e
a
l
t
h
c
a
r
e
s
y
s
t
e
m
s
,
v
a
r
y
i
ng
da
t
a
f
o
r
m
a
t
s
,
a
n
d
c
o
n
c
e
r
n
s
r
e
ga
r
d
i
ng
da
t
a
a
c
c
ur
a
c
y
a
n
d
i
n
t
e
gr
i
t
y
a
dd
c
o
m
p
l
e
xi
t
y
.
De
s
p
i
t
e
t
h
e
s
e
h
ur
d
l
e
s
,
e
f
f
e
c
t
i
v
e
d
a
t
a
s
h
a
r
i
n
g
i
s
c
r
i
t
i
c
a
l
f
o
r
a
dv
a
n
c
i
ng
m
e
d
i
c
a
l
r
e
s
e
a
r
c
h
,
im
pr
o
vi
n
g
pa
t
i
e
n
t
c
a
r
e
,
a
n
d
s
a
vi
ng
l
i
ve
s
[
3]
.
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
s
a
f
e
gu
a
r
ds
pa
t
i
e
n
t
da
t
a
wi
t
h
i
t
s
pe
r
m
i
s
s
i
o
ne
d
bl
o
c
k
c
h
a
i
n
a
r
c
hi
t
e
c
t
ur
e
,
e
n
s
ur
i
ng
o
nl
y
a
ut
h
o
r
i
z
e
d
pa
r
t
i
c
i
pa
n
t
s
a
c
c
e
s
s
s
e
ns
i
t
i
v
e
i
nf
o
r
m
a
t
i
o
n
[
4]
.
I
t
s
m
o
du
l
a
r
de
s
i
g
n
a
l
l
o
ws
c
us
t
o
m
i
z
a
t
i
o
n
o
f
d
a
t
a
a
c
c
e
s
s
c
o
n
t
r
o
l
s
,
m
a
i
n
t
a
i
ni
ng
c
o
nf
i
de
n
t
i
a
li
t
y
a
n
d
c
o
m
p
li
a
n
c
e
w
i
t
h
pr
i
v
a
c
y
r
e
gu
l
a
t
i
o
ns
[
5]
.
Hy
p
e
r
l
e
dge
r
F
a
b
r
i
c
’
s
e
n
do
r
s
e
m
e
n
t
pr
o
c
e
dur
e
s
e
n
s
ur
e
da
t
a
i
n
t
e
gr
i
t
y
a
n
d
r
e
duc
e
t
h
e
r
i
s
k
o
f
f
r
a
udu
l
e
n
t
a
c
t
i
vi
t
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
I
S
S
N:
2
5
0
2
-
4
7
52
I
mple
me
nti
ng
z
e
r
o
-
k
no
w
ledge
pr
oof
authenticatio
n
on
Hy
pe
r
ledge
r
…
(
P
r
av
e
e
na
B
oll
y
J
os
hi
)
499
Z
e
r
o
-
kn
o
wl
e
dge
pr
o
o
f
(
Z
K
P
)
o
f
f
e
r
s
a
gr
o
un
db
r
e
a
k
i
n
g
s
o
l
ut
i
o
n
f
o
r
v
e
r
i
f
yi
ng
i
nf
o
r
m
a
t
i
o
n
w
i
t
h
o
ut
d
i
s
c
l
o
s
i
ng
s
e
n
s
i
t
i
ve
de
t
a
i
l
s
,
pr
o
vi
n
g
kn
o
w
l
e
dge
w
i
t
h
o
ut
r
e
v
e
a
l
i
ng
t
h
e
un
de
r
lyi
ng
i
nf
o
r
m
a
t
i
o
n
.
Z
K
P
e
n
a
bl
e
s
h
o
s
p
i
t
a
l
s
to
v
e
r
i
f
y
s
t
a
f
f
i
de
n
t
i
t
i
e
s
w
i
t
h
o
ut
di
s
c
l
o
s
i
n
g
un
n
e
c
e
s
s
a
r
y
pe
r
s
o
n
a
l
d
e
t
a
i
l
s
,
m
i
n
im
i
z
i
ng
t
h
e
r
i
s
k
o
f
da
t
a
b
r
e
a
c
h
e
s
o
r
un
a
ut
h
or
i
z
e
d
a
c
c
e
s
s
[
6]
.
I
n
t
h
e
e
xi
s
t
i
n
g
s
y
s
t
e
m
,
pa
t
i
e
n
t
da
t
a
i
s
m
a
i
n
t
a
i
ne
d
o
n
a
c
e
n
t
r
a
l
i
z
e
d
s
e
r
v
e
r
wh
e
r
e
s
e
v
e
r
a
l
t
h
r
e
a
t
s
a
nd
v
u
l
ne
r
a
bil
i
t
i
e
s
e
xi
s
t
,
c
o
m
pr
o
m
i
s
i
ng
t
h
e
s
e
c
ur
i
t
y
a
nd
pr
i
va
c
y
o
f
pa
t
i
e
n
t
da
t
a
[
7]
.
On
e
m
a
j
o
r
t
h
r
e
a
t
i
s
t
h
e
r
i
s
k
o
f
un
a
ut
h
o
r
i
z
e
d
a
c
c
e
s
s
,
e
i
t
h
e
r
by
i
n
t
e
r
n
a
l
s
t
a
f
f
m
e
mb
e
r
s
w
i
t
h
m
a
li
c
i
o
us
i
n
t
e
n
t
o
r
e
x
t
e
r
n
a
l
ha
c
ke
r
s
e
xp
l
o
i
t
i
n
g
s
y
s
t
e
m
v
u
l
ne
r
a
bil
i
t
i
e
s
[
8]
.
A
n
o
t
h
e
r
v
u
l
ne
r
a
bi
li
t
y
l
ies
i
n
t
h
e
l
a
c
k
o
f
e
n
c
r
y
pt
i
o
n
a
n
d
da
t
a
pr
ot
e
c
t
i
o
n
m
e
a
s
ur
e
s
,
l
e
a
vi
ng
pa
t
i
e
n
t
i
nf
o
r
m
a
t
i
o
n
s
us
c
e
pt
i
bl
e
to
i
n
t
e
r
c
e
pt
i
o
n
o
r
e
a
v
e
s
dr
o
ppi
n
g
dur
i
n
g
t
r
a
n
s
m
i
s
s
i
o
n
o
v
e
r
n
e
t
wo
r
ks
[
9]
.
F
ur
t
h
e
r
m
o
r
e
,
b
e
c
a
us
e
t
h
e
s
e
s
y
s
t
e
m
s
r
e
l
y
o
n
c
e
n
t
r
a
l
i
z
e
d
s
t
or
a
ge
,
t
h
e
y
b
e
c
o
m
e
a
s
i
n
g
l
e
po
i
n
t
o
f
f
a
i
l
ur
e
i
n
t
h
e
e
v
e
n
t
o
f
a
b
r
e
a
c
h
o
r
s
y
s
t
e
m
o
ut
a
ge
,
e
n
da
n
ge
r
i
ng
h
e
a
l
t
h
c
a
r
e
o
pe
r
a
t
i
o
n
s
a
n
d
a
c
c
e
s
s
t
o
vi
t
a
l
pa
t
i
e
n
t
da
t
a
.
C
a
s
i
n
o
e
t
al.
[
10]
e
x
p
l
o
r
e
d
t
h
e
pot
e
n
t
i
a
l
o
f
bl
o
c
kc
h
a
i
n
t
e
c
hn
o
l
o
g
y
t
o
i
m
pr
o
v
e
v
a
r
i
o
us
a
pp
li
c
a
t
i
o
n
s
i
n
t
h
e
h
e
a
l
t
h
c
a
r
e
s
e
c
to
r
,
i
nc
l
ud
i
ng
e
l
e
c
t
r
o
ni
c
h
e
a
l
t
h
r
e
c
or
d
(
E
HR
)
m
a
n
a
ge
m
e
n
t
,
c
o
m
b
a
t
i
n
g
dr
ug
c
o
un
t
e
r
f
e
i
t
i
ng,
a
n
d
f
o
s
t
e
r
i
n
g
us
e
r
-
c
e
n
t
r
i
c
m
e
d
i
c
a
l
r
e
s
e
a
r
c
h
.
T
h
e
z
k
-
S
N
A
R
Ks
[
11]
a
l
go
r
i
t
hm
a
ll
o
ws
o
n
e
pa
r
t
y
to
pr
o
v
e
t
h
e
y
kn
o
w
a
v
a
l
ue
s
a
t
i
s
f
yi
ng
a
c
o
m
put
a
t
i
o
n
a
l
s
t
a
t
e
m
e
n
t
wi
t
ho
u
t
r
e
v
e
a
li
ng
i
t
,
us
i
n
g
s
uc
c
i
nc
t
,
n
o
n
-
i
n
t
e
r
a
c
t
i
ve
pr
oo
f
s
t
h
a
t
a
r
e
qui
c
k
ly
v
e
r
i
f
i
e
d.
T
hi
s
i
s
a
c
hi
e
ve
d
by
e
nc
o
d
i
n
g
t
h
e
c
o
m
put
a
t
i
o
n
a
s
a
po
l
y
n
o
mi
a
l
a
n
d
ge
n
e
r
a
t
i
n
g
a
pr
oo
f
o
f
c
o
r
r
e
c
t
e
v
a
l
ua
t
i
o
n
,
e
n
s
ur
i
ng
s
o
un
dn
e
s
s
a
n
d
z
e
r
o
-
kn
o
w
l
e
dge
.
B
ut
t
h
e
a
l
go
r
i
t
hm
ha
s
t
h
e
c
o
m
p
l
e
xi
t
y
a
n
d
c
o
m
put
a
t
i
o
n
a
l
o
ve
r
h
e
a
d
i
nv
o
l
v
e
d
i
n
ge
n
e
r
a
t
i
n
g
a
nd
v
e
r
i
f
yi
ng
z
k
-
S
NA
R
K
pr
oo
f
s
,
whi
c
h
r
e
qu
i
r
e
s
s
i
g
n
if
i
c
a
n
t
r
e
s
o
ur
c
e
s
a
n
d
s
e
t
up
t
i
m
e
.
M
e
ll
e
t
al.
[
12]
i
s
f
e
de
r
a
t
e
d
i
de
n
t
i
t
y
m
a
n
a
ge
m
e
n
t
(
I
DM
)
,
whi
c
h
e
n
a
bl
e
s
us
e
r
s
f
r
o
m
o
n
e
d
o
m
a
i
n
c
a
n
l
o
g
i
n
a
n
d
us
e
s
e
r
vi
c
e
s
f
r
o
m
a
n
ot
h
e
r
.
E
x
a
m
p
l
e
s
i
n
c
l
ude
s
i
ng
l
e
-
s
i
g
n
-
o
n
s
y
s
t
e
m
s
l
i
k
e
F
a
c
e
b
o
o
k
c
o
n
n
e
c
t
.
S
t
i
ll
,
t
h
e
s
e
t
wo
I
DM
s
tr
a
t
e
gi
e
s
t
y
p
i
c
a
l
ly
r
e
ly
o
n
c
e
n
t
r
a
l
i
z
e
d
s
e
r
v
e
r
s
,
l
im
i
t
i
n
g
us
e
r
c
o
n
tr
o
l
.
C
o
n
s
e
que
n
t
l
y
,
t
h
e
r
e
a
r
e
s
i
g
nif
i
c
a
n
t
s
e
c
ur
i
t
y
c
o
nc
e
r
n
s
r
e
ga
r
d
i
ng
us
e
r
i
de
n
t
i
t
y
,
pot
e
n
t
i
a
ll
y
r
e
s
u
l
t
i
ng
i
n
da
t
a
d
i
s
c
l
o
s
ur
e
i
n
t
h
e
e
v
e
n
t
o
f
s
e
r
v
e
r
c
o
m
pr
o
m
i
s
e
.
W
hil
e
M
e
DShar
e
[
13]
s
h
a
r
e
s
m
a
ny
c
o
nc
e
pt
ua
l
s
im
i
l
a
r
i
t
i
e
s
w
i
t
h
o
ur
w
or
k,
t
h
e
s
pe
c
i
f
i
c
bl
o
c
kc
h
a
i
n
f
r
a
m
e
wo
r
k
us
e
d
i
s
n
o
t
s
pe
c
i
f
i
e
d.
A
dd
i
t
i
o
n
a
ll
y
,
t
h
e
a
ut
h
or
s
p
r
i
m
a
r
il
y
de
l
ve
i
n
t
o
t
h
e
f
o
un
d
a
t
i
o
na
l
a
s
pe
c
t
s
o
f
bl
o
c
k
c
h
a
i
n
t
e
c
hno
l
o
g
y
,
s
uc
h
a
s
da
t
a
bl
o
c
ks
a
n
d
s
m
a
r
t
c
o
n
tr
a
c
t
s
,
r
a
t
h
e
r
t
h
a
n
pr
e
s
e
n
t
i
n
g
a
c
o
n
c
r
e
t
e
s
o
l
ut
i
o
n
.
Ge
n
e
s
t
i
e
r
e
t
al
.
[
14]
i
n
t
r
o
duc
e
d
a
m
o
de
l
wh
e
r
e
i
n
pa
t
i
e
n
t
s
a
uto
n
o
m
o
us
l
y
go
v
e
r
n
a
c
c
e
s
s
c
o
n
s
e
n
t
to
t
h
e
i
r
da
t
a
vi
a
bl
o
c
kc
ha
i
n
i
n
a
de
c
e
n
t
r
a
l
i
z
e
d
m
a
nn
e
r
.
De
s
p
i
t
e
a
s
m
a
r
t
c
o
n
t
r
a
c
t
f
a
c
il
i
t
a
t
i
n
g
a
c
c
e
s
s
c
o
n
t
r
o
l
,
t
h
e
pa
t
i
e
n
t
’
s
a
pp
li
c
a
t
i
o
n
i
n
t
e
r
a
c
t
s
w
i
t
h
t
h
e
bl
o
c
kc
h
a
i
n
t
h
r
o
ugh
a
t
l
e
a
s
t
t
w
o
c
e
n
t
r
a
l
i
z
e
d
i
n
t
e
r
m
e
d
i
a
r
i
e
s
.
T
h
e
c
h
a
ll
e
n
ge
s
n
e
e
d
to
b
e
a
ddr
e
s
s
e
d:
(
i
)
T
r
a
di
t
i
o
na
l
i
de
n
t
i
t
y
v
e
r
if
i
c
a
t
i
o
n
m
e
t
h
o
ds
f
r
e
que
n
t
l
y
r
e
qu
i
r
e
t
h
e
s
h
a
r
i
ng
o
f
s
e
ns
i
t
i
v
e
i
n
f
o
r
m
a
t
i
o
n
[
15]
,
whi
c
h
c
a
n
l
e
a
d
to
p
ot
e
n
t
i
a
l
pr
i
va
c
y
vi
o
l
a
t
i
o
ns
,
da
t
a
m
i
s
us
e
,
a
n
d
pa
t
i
e
n
t
da
t
a
e
x
po
s
ur
e
t
h
r
o
ugh
o
u
t
t
h
e
v
e
r
i
f
i
c
a
t
i
o
n
pr
o
c
e
s
s
.
(
i
i
)
C
o
nv
e
n
t
i
o
n
a
l
a
ut
h
e
n
t
i
c
a
t
i
o
n
m
e
t
ho
ds
c
a
n
b
e
s
us
c
e
pt
i
bl
e
to
r
e
pl
a
y
a
t
t
a
c
ks
,
i
n
w
hi
c
h
a
h
a
c
ke
r
i
n
t
e
r
c
e
pt
s
a
n
d
us
e
s
l
e
g
i
t
im
a
t
e
a
u
t
h
e
n
t
i
c
a
t
i
o
n
i
nf
o
r
m
a
t
i
o
n
a
ga
i
n
[
16]
.
(
i
ii
)
C
us
t
o
m
a
r
y
t
e
c
hni
que
s
f
o
r
v
a
li
da
t
i
n
g
i
de
n
t
i
t
y
c
a
n
r
e
qu
i
r
e
a
l
o
t
o
f
t
i
m
e
a
n
d
r
e
s
o
ur
c
e
-
i
n
t
e
ns
i
ve
,
e
s
pe
c
i
a
ll
y
i
n
a
de
c
e
n
t
r
a
l
i
z
e
d
s
y
s
t
e
m
w
i
t
h
m
u
l
t
i
p
l
e
e
n
t
i
t
i
e
s
[
17]
.
I
n
t
hi
s
pa
pe
r
,
we
pr
e
s
e
n
t
a
bl
o
c
kc
h
a
i
n
-
b
a
s
e
d,
f
u
l
ly
de
c
e
n
t
r
a
l
i
z
e
d
i
de
n
t
i
t
y
a
ut
h
e
n
t
i
c
a
t
i
o
n
s
y
s
t
e
m
f
o
r
h
e
a
l
t
h
c
a
r
e
s
e
c
t
or
s
b
a
s
e
d
o
n
z
e
r
o
-
kn
o
wl
e
dg
e
pr
oo
f
.
T
h
e
r
e
s
t
o
f
t
hi
s
pa
pe
r
i
s
s
t
r
uc
t
ur
e
d
a
s
f
o
l
l
o
w
s
:
s
e
c
t
i
o
n
2
de
s
c
r
i
be
s
t
h
e
o
v
e
r
vi
e
w
a
n
d
t
h
e
m
e
t
h
o
do
l
o
g
y
o
f
M
e
d
i
C
r
y
pt
-
Z
KA
P
.
I
n
s
e
c
t
i
o
n
3
e
x
a
m
i
ne
s
t
h
e
s
y
s
t
e
m
’
s
pe
r
f
o
r
m
a
n
c
e
a
n
d
s
e
c
ur
i
t
y
.
F
i
na
ll
y
,
i
n
s
e
c
t
i
o
n
4,
we
c
o
n
c
l
ude
w
i
t
h
a
s
u
m
m
a
r
y
o
f
M
e
d
i
C
r
y
pt
-
Z
KA
P
a
n
d
d
i
s
c
us
s
po
t
e
n
t
i
a
l
f
ut
ur
e
w
o
r
k.
2.
M
E
T
HO
D
2.
1
.
P
r
op
os
e
d
au
t
h
e
n
t
icat
in
g
s
ys
t
e
m
T
o
o
v
e
r
c
o
m
e
t
h
e
a
f
o
r
e
m
e
n
t
i
o
n
e
d
d
i
f
f
i
c
u
l
t
i
e
s
o
ur
c
o
n
t
r
i
b
ut
i
o
n
i
s
:
a)
W
e
im
p
l
e
m
e
n
t
a
h
e
a
l
t
h
c
a
r
e
z
e
r
o
-
kn
o
wl
e
dge
a
u
t
h
e
n
t
i
c
a
t
i
n
g
s
o
l
ut
i
o
n
na
m
e
d
M
e
d
i
C
r
y
pt
-
Z
KA
P
,
c
o
m
pr
i
s
i
ng
t
h
r
e
e
e
n
t
i
t
i
e
s
:
s
y
s
t
e
m
u
s
e
r
,
h
e
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
(
Do
c
A
)
,
b
l
o
c
kc
h
a
i
n
(
a
d
mi
n)
,
a
n
d
s
t
a
ke
ho
l
de
r
(
Do
c
B
)
.
T
h
e
s
y
s
t
e
m
u
s
e
r
,
c
o
m
po
s
e
d
o
f
pa
t
i
e
n
t
s
a
n
d
h
e
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
,
a
c
c
e
s
s
e
s
t
h
e
pr
o
po
s
e
d
s
y
s
t
e
m
.
Us
e
r
s
w
i
ll
c
r
e
a
t
e
i
d
e
n
t
i
t
y
-
pr
o
o
f
i
nf
o
r
m
a
t
i
o
n
a
n
d
s
to
r
e
i
t
o
n
t
h
e
bl
o
c
kc
h
a
i
n.
He
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
v
e
r
i
f
y
us
e
r
i
de
n
t
i
t
i
e
s
by
que
r
yi
ng
t
h
e
bl
o
c
kc
h
a
i
n
f
o
r
r
e
l
e
v
a
n
t
i
nf
o
r
m
a
t
i
o
n
.
T
h
e
a
d
mi
n
i
n
i
t
i
a
l
i
z
e
s
t
h
e
bl
o
c
kc
h
a
i
n,
de
p
l
o
y
s
t
h
e
c
h
a
i
nc
o
de
,
a
n
d
f
a
c
il
i
t
a
t
e
s
t
h
e
t
r
us
t
e
d
s
e
t
up
f
o
r
z
e
r
o
-
kn
o
wl
e
dge
pr
o
o
f
.
b)
W
e
i
n
t
e
gr
a
t
e
F
a
i
t
-
S
h
a
mi
r
z
e
r
o
-
kn
o
wl
e
dge
pr
o
o
f
a
l
go
r
i
t
hm
[
18]
,
i
n
to
t
h
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
s
y
s
t
e
m
t
o
ge
n
e
r
a
t
e
t
h
e
us
e
r
-
pr
o
vi
de
d
i
de
n
t
i
t
y
-
pr
oo
f
da
t
a
a
n
d
v
e
r
i
f
y
t
h
e
pr
oo
f
da
t
a
t
h
a
t
i
s
ke
pt
o
n
t
h
e
bl
o
c
kc
h
a
i
n.
A
c
t
ua
l
us
e
r
i
nf
o
r
m
a
t
i
o
n
r
e
m
a
i
ns
o
f
f
t
h
e
bl
o
c
k
c
h
a
in
,
e
ns
ur
i
n
g
t
h
e
pr
i
v
a
c
y
a
n
d
s
e
c
ur
i
t
y
o
f
t
h
e
us
e
r
’
s
d
a
t
a
.
c)
M
e
d
i
C
r
y
pt
-
Z
KA
P
h
a
s
b
e
e
n
i
m
p
l
e
m
e
n
t
e
d
o
n
t
h
e
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
[
19
]
c
o
n
s
o
r
t
i
u
m
bl
o
c
kc
h
a
i
n
,
w
i
t
h
t
h
e
c
h
a
i
nc
o
de
de
p
l
o
y
e
d
o
n
F
a
b
r
i
c
f
o
r
upl
o
a
d
i
n
g
a
n
d
v
a
li
da
t
i
n
g
us
e
r
i
de
n
t
i
t
y
i
nf
o
r
m
a
t
i
o
n
.
He
a
l
th
c
a
r
e
pr
o
vi
de
r
s
i
ni
t
i
a
t
e
t
h
e
i
nv
o
c
a
t
i
o
n
o
f
t
h
e
c
h
a
i
nc
o
de
wh
e
n
e
ve
r
t
h
e
y
ve
r
i
f
y
a
us
e
r
’
s
i
de
n
t
i
t
y
.
d)
W
e
e
v
a
l
ua
t
e
t
h
e
pe
r
f
o
r
m
a
n
c
e
o
f
t
h
e
Me
d
i
C
r
y
pt
-
Z
KA
P
s
y
s
t
e
m
us
i
ng
C
a
li
pe
r
[
20]
.
T
h
e
r
e
s
u
l
t
s
i
n
d
i
c
a
t
e
t
h
a
t
o
ur
s
y
s
t
e
m
c
a
n
a
c
hi
e
v
e
a
t
h
r
o
ugh
put
e
x
c
e
e
d
i
ng
4
1
0
T
P
S
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
2
5
0
2
-
4
7
52
In
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
,
Vo
l
.
3
7
,
N
o
.
1
,
J
a
n
ua
r
y
20
2
5
:
49
8
-
50
6
500
e)
I
n
t
h
e
f
r
a
m
e
wo
r
k,
we
us
e
I
oT
de
vi
c
e
s
l
i
ke
t
e
m
pe
r
a
t
ur
e
,
h
e
a
r
t
r
a
t
e
,
bl
o
o
d
pr
e
s
s
ur
e
,
a
n
d
S
P
O2
to
a
b
s
o
r
b
t
h
e
li
ve
h
e
a
l
t
h
s
t
a
t
us
o
f
t
h
e
pa
t
i
e
n
t
[
21]
.
T
h
e
s
e
s
e
n
s
o
r
s
t
r
a
n
s
m
i
t
da
t
a
,
whi
c
h
i
s
t
h
e
n
pr
o
c
e
s
s
e
d
a
n
d
s
e
c
ur
e
ly
s
to
r
e
d
wi
t
hi
n
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
.
I
n
Hy
p
e
r
l
e
dge
r
F
a
b
r
i
c
,
we
c
r
e
a
t
e
d
o
n
e
o
r
ga
ni
z
a
t
i
o
n
w
i
t
h
t
h
r
e
e
e
n
ti
t
i
e
s
s
y
s
t
e
m
us
e
r
s
,
h
e
a
l
t
h
c
a
r
e
pr
o
v
i
d
e
r
s
,
a
n
d
a
d
m
i
n
b
e
i
n
g
pa
r
t
o
f
i
t
.
T
h
e
h
e
a
l
t
h
pr
o
vi
de
r
(
Do
c
A
)
wi
ll
a
c
t
a
s
t
h
e
e
n
do
r
s
e
r
wh
o
a
u
t
h
e
n
t
i
c
a
t
e
s
t
h
e
s
e
ns
o
r
da
t
a
b
a
s
e
d
o
n
t
h
r
e
s
h
o
l
d
v
a
l
ue
s
us
i
ng
a
c
o
n
s
e
ns
us
a
l
go
r
i
t
hm
a
n
d
a
dds
i
t
to
t
h
e
bl
o
c
kc
h
a
i
n
a
s
a
bl
o
c
k.
W
e
us
e
t
h
r
e
s
h
o
l
d
v
a
l
ue
t
o
f
il
t
e
r
t
h
e
da
t
a
b
e
c
a
us
e
I
oT
h
a
s
l
o
t
o
f
da
t
a
a
n
d
a
dd
i
n
g
a
ll
t
he
da
t
a
to
t
h
e
bl
o
c
kc
h
a
i
n
i
s
a
n
e
x
pe
n
s
i
ve
t
a
s
k.
S
o
,
we
s
e
t
a
t
h
r
e
s
h
o
l
d
va
l
u
e
a
n
d
da
t
a
a
b
o
v
e
i
t
w
i
ll
b
e
s
e
n
t
to
bl
o
c
kc
h
a
i
n
a
n
d
r
e
s
t
to
t
h
e
c
us
to
m
i
z
e
d
r
e
po
s
i
t
or
y
.
T
hi
s
wo
r
ks
we
a
l
r
e
a
d
y
s
u
bmi
t
t
e
d
i
n
o
ur
p
r
e
vi
o
us
pa
pe
r
.
N
o
w,
we
wa
n
t
to
s
ha
r
e
t
hi
s
pa
t
i
e
n
t
’
s
h
e
a
l
t
h
da
t
a
w
i
t
h
o
t
h
e
r
h
o
s
p
i
t
a
l
do
c
tor
s
l
i
ke
Do
c
B
.
S
o,
b
e
f
o
r
e
we
s
h
a
r
e
,
Do
c
B
a
ut
h
e
n
t
i
c
a
t
i
o
n
ha
s
to
b
e
do
n
e
by
c
o
n
s
i
de
r
i
ng
a
ll
t
h
e
s
e
c
ur
i
t
y
c
o
n
c
e
r
ns
w
i
t
h
o
ut
r
e
v
e
a
li
ng
a
ny
pe
r
s
o
n
a
l
i
n
f
o
r
m
a
t
i
o
n
o
f
t
h
e
do
c
to
r
.
T
o
a
ddr
e
s
s
t
h
i
s
,
we
e
m
p
l
o
y
Z
K
P
,
a
f
u
n
da
m
e
n
t
a
l
t
oo
l
i
n
c
y
be
r
s
e
c
ur
i
t
y
a
nd
pr
i
v
a
c
y
pr
ot
e
c
t
i
o
n
.
Z
K
P
o
f
f
e
r
s
a
n
i
nn
o
v
a
t
i
v
e
a
ppr
o
a
c
h
to
v
e
r
i
f
yi
ng
i
nf
o
r
m
a
t
i
o
n
w
i
t
h
o
ut
c
o
m
pr
o
m
is
i
n
g
t
h
e
c
o
nf
i
de
n
t
i
a
li
t
y
o
f
a
ny
pe
r
s
o
n
a
l
de
t
a
i
l
s
.
T
h
e
pr
o
p
o
s
e
d
m
o
de
l
f
o
r
c
h
a
i
nc
o
de
i
m
p
l
e
m
e
n
t
a
ti
o
n
i
n
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
a
i
m
s
t
o
i
m
pr
o
v
e
t
h
e
s
e
c
ur
i
t
y
a
n
d
pr
i
va
c
y
o
f
pa
t
i
e
n
t
da
t
a
by
a
ut
h
e
n
t
i
c
a
t
i
n
g
do
c
tor
s
us
i
n
g
t
h
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
(
z
e
r
o
-
kn
o
wl
e
dge
a
c
c
e
s
s
pr
ot
o
c
o
l
)
z
e
r
o
-
kn
o
wl
e
dge
pr
oo
f
pr
oto
c
o
l
.
2.
2.
E
n
t
i
t
ies
T
h
r
e
e
e
n
t
i
t
i
e
s
:
s
y
s
t
e
m
u
s
e
r
,
h
e
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
(
D
o
c
A
)
,
b
l
o
c
kc
h
a
i
n
(
a
d
mi
n)
,
a
n
d
s
t
a
ke
h
o
l
de
r
(
Do
c
B
)
.
B
e
l
o
w
i
s
a
b
r
i
e
f
de
s
c
r
i
pt
i
o
n
o
f
e
a
c
h
e
n
t
i
t
y
:
S
y
s
t
e
m
us
e
r
s
:
a
pa
t
i
e
n
t
o
r
a
h
e
a
l
t
h
c
a
r
e
pr
o
f
e
s
s
i
o
na
l
m
a
y
us
e
t
h
e
s
ugge
s
t
e
d
s
y
s
t
e
m
.
T
h
e
us
e
r
c
a
n
up
l
o
a
d
t
h
e
c
r
e
a
t
e
d
i
de
n
t
i
t
y
pr
oo
f
da
t
a
to
t
h
e
s
y
s
t
e
m
a
n
d
c
a
r
r
y
o
ut
t
h
e
t
r
us
t
e
d
s
e
t
up
o
f
M
e
d
i
C
r
y
pt
-
Z
KA
P
t
h
r
o
ugh
t
h
e
c
l
i
e
n
t
a
s
t
h
e
o
wn
e
r
o
f
t
h
e
i
de
n
t
i
t
y
i
nf
o
r
m
a
t
i
o
n
.
E
v
e
r
y
us
e
r
h
a
s
a
uni
qu
e
to
ke
n
t
h
a
t
s
e
r
v
e
s
a
s
a
r
e
pr
e
s
e
n
t
a
t
i
o
n
o
f
t
h
e
i
r
d
i
g
i
t
a
l
i
de
n
t
i
t
y
.
H
e
a
l
t
h
c
a
r
e
pr
o
v
i
d
e
r
s
:
h
e
a
l
t
h
c
a
r
e
pr
o
v
i
d
e
r
s
h
o
l
d
r
e
s
po
n
s
i
b
il
i
t
y
f
o
r
v
a
l
i
d
a
t
i
n
g
pa
t
i
e
n
t
i
de
n
t
i
t
i
e
s
.
T
h
e
pa
t
i
e
n
t
i
s
v
e
r
i
f
i
e
d
by
us
i
ng
t
h
e
i
r
uni
que
t
o
ke
n
ge
n
e
r
a
t
e
d
by
t
h
e
B
l
o
c
kc
h
a
i
n.
He
a
l
t
hc
a
r
e
pr
o
vi
de
r
s
a
s
s
i
g
n
a
s
e
t
o
f
s
e
n
s
o
r
s
to
t
h
e
pa
t
i
e
n
t
a
n
d
r
e
c
o
r
d
t
h
e
da
t
a
i
n
t
h
e
blo
c
kc
h
a
i
n
.
T
h
e
y
a
l
s
o
us
e
t
h
e
pr
o
p
o
s
e
d
z
e
r
o
kn
o
wl
e
dge
a
c
c
e
s
s
pr
oto
c
o
l
t
o
s
h
a
r
e
t
h
e
pa
t
i
e
n
t
da
t
a
wi
t
h
t
h
e
ot
h
e
r
h
o
s
p
i
t
a
l
s
t
a
ke
h
o
l
de
r
s
.
I
n
o
ur
wor
k,
we
us
e
Do
c
A
a
s
a
h
e
a
l
t
h
c
a
r
e
pr
o
vi
de
r
a
n
d
t
h
e
ot
h
e
r
h
o
s
pi
t
a
l
s
t
a
k
e
h
o
l
de
r
w
i
ll
b
e
Do
c
B
.
B
l
o
c
kc
h
a
i
n
/
a
d
mi
n
:
t
h
e
a
d
m
i
n
o
ve
r
s
e
e
s
s
y
s
t
e
m
de
s
i
g
n
,
m
a
i
n
t
e
n
a
n
c
e
,
a
n
d
us
e
r
c
o
l
l
a
b
o
r
a
t
i
o
n
f
o
r
c
o
nf
i
gur
i
n
g
M
e
d
i
C
r
y
pt
-
Z
KA
P
.
T
h
e
y
e
n
s
ur
e
pr
ope
r
m
a
na
ge
m
e
n
t
a
n
d
s
upe
r
vi
s
i
o
n
o
f
a
ll
pa
r
t
i
c
i
p
a
n
t
s
,
i
nc
l
ud
i
ng
publi
c
a
ge
n
c
i
e
s
a
n
d
r
e
gu
l
a
t
or
y
b
o
d
i
e
s
.
T
h
e
a
d
m
i
n
a
l
s
o
m
a
n
a
ge
s
c
h
a
i
nc
o
de
e
xe
c
ut
i
o
n
o
n
t
h
e
bl
o
c
kc
h
a
i
n,
ve
r
i
f
yi
ng
h
e
a
l
t
h
s
t
a
t
us
upda
t
e
s
wi
t
h
h
e
a
l
t
h
c
a
r
e
pr
o
vi
de
r
s
.
2.
3.
T
h
e
M
e
d
iCr
yp
t
-
Z
K
AP
wor
k
f
l
ow
is
as
f
o
ll
o
ws
W
h
e
n
i
nv
o
ke
d
a
s
pe
r
F
i
gur
e
1,
t
h
e
f
u
n
c
t
i
o
n
M
e
d
i
C
r
y
pt
-
Z
KA
P
a
c
c
e
pt
s
t
h
e
a
u
t
h
e
n
t
i
c
a
t
i
o
n
to
ke
n
o
f
Do
c
to
r
B
(
D
o
c
B
)
a
s
a
n
i
n
put
pa
r
a
m
e
t
e
r
.
T
h
e
c
h
a
in
c
o
de
t
h
e
n
pr
o
c
e
e
ds
to
ge
n
e
r
a
t
e
a
pr
i
m
e
n
u
m
be
r
,
de
n
o
t
e
d
a
s
‘
p
’
,
a
n
d
s
e
l
e
c
t
s
a
r
a
n
do
m
ge
n
e
r
a
t
o
r
‘
G
’
.
S
ub
s
e
que
n
t
l
y
,
i
t
c
o
m
put
e
s
v
a
r
i
o
us
c
r
y
pt
o
gr
a
phi
c
pa
r
a
m
e
t
e
r
s
,
i
nc
l
ud
i
ng
‘
u
’
a
n
d
‘
v
’
,
whi
c
h
a
r
e
e
x
c
h
a
n
ge
d
b
e
t
we
e
n
t
h
e
s
e
r
v
e
r
,
Do
c
to
r
A
(
D
o
c
A
)
,
a
n
d
Do
c
to
r
B
.
I
n
t
hi
s
e
x
c
ha
n
ge
,
Do
c
to
r
A
tr
a
n
s
mi
t
s
a
r
a
n
do
m
va
l
ue
‘
c
’
t
o
D
o
c
tor
B
,
wh
o
t
h
e
n
c
o
m
put
e
s
‘
w
’
us
i
ng
t
h
e
r
e
c
e
i
ve
d
a
ut
h
e
n
t
i
c
a
t
i
o
n
t
o
ke
n
.
F
o
l
l
o
w
i
n
g
t
hi
s
e
x
c
h
a
n
ge
,
Do
c
to
r
A
c
o
m
put
e
s
‘
v
_do
c
b
’
a
n
d
c
o
m
pa
r
e
s
i
t
wi
t
h
‘
v
’
to
v
e
r
i
f
y
t
h
e
a
ut
h
e
n
t
i
c
i
t
y
o
f
Do
c
to
r
B
.
I
f
t
h
e
c
a
l
c
u
lat
e
d
v
a
l
ue
s
m
a
t
c
h
,
t
h
e
a
ut
h
e
n
t
i
c
a
t
i
o
n
pr
o
c
e
s
s
i
s
de
e
m
e
d
s
uc
c
e
s
s
f
u
l
,
c
o
nf
i
r
m
i
ng
Do
c
tor
B
’
s
i
de
n
t
i
t
y
.
T
hi
s
c
h
a
i
nc
o
de
i
m
p
l
e
m
e
n
t
a
t
i
o
n
[
22]
e
n
s
ur
e
s
a
r
o
b
us
t
a
n
d
s
e
c
ur
e
a
ut
h
e
n
t
i
c
a
t
i
o
n
m
e
c
h
a
ni
s
m
f
o
r
do
c
to
r
s
wi
t
hi
n
t
h
e
H
y
p
e
r
l
e
dge
r
F
a
b
r
i
c
n
e
t
wo
r
k
,
l
e
v
e
r
a
g
i
ng
t
h
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
pr
oto
c
o
l
to
uph
o
l
d
c
o
nf
i
de
n
t
i
a
li
t
y
a
n
d
i
n
t
e
gr
i
t
y
i
n
h
e
a
l
t
h
c
a
r
e
da
t
a
m
a
n
a
ge
m
e
n
t
.
A
de
t
a
i
l
e
d
A
l
go
r
i
t
hm
1.
Al
go
r
i
t
hm
1
.
M
e
d
i
C
r
y
pt
-
Z
KA
P
1:
procedure
MediCrypt
-
ZKAP(
docb_sent_AuthToken
)
2:
p
← 701
▷
Choose a prime number
3:
G
← random(1,
p
)
▷
Choose a random generator
4:
original_AuthToken
← SHA256(
docb_sent_AuthToken
)
5:
original_s
← int(
original_AuthToken
, 16) mod
p
6:
u
←
G
original_s
mod
p
▷
Compute u
7:
print
server → doca: u = u
8:
t
← random(1,
p
)
9:
v
←
G
t
mod
p
▷
Compute v
10:
print
docb → doca: v = v
11:
c
← random(1,
p
)
12:
print
doca → docb: c = c
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
I
S
S
N:
2
5
0
2
-
4
7
52
I
mple
me
nti
ng
z
e
r
o
-
k
no
w
ledge
pr
oof
authenticatio
n
on
Hy
pe
r
ledge
r
…
(
P
r
av
e
e
na
B
oll
y
J
os
hi
)
501
13:
sent_AuthToken
← encode(
docb_sent AuthToken
)
14:
sent_s
← int(SHA256(
sent_AuthToken
), 16) mod
p
15:
w ← (t − c × sent_s)
16:
print
docb → doca: w = w
17:
if
w
< 0 then
18
: tm ← G
−w
mod
p
19:
m ← tm
−1
mod
p
20:
else
21:
m
←
G
w
mod
p
22:
end if
23:
n ← u
c
mod
p
24:
v_docb ← (m × n)
mod
p
▷
Compute
v
docb
25:
print
doca
computed
v = v
docb
26:
if
v = v
docb
then
27:
print
Success:
docb
is authenticated !!!
28:
else
29:
print
Failure:
docb
is not authenticated !!!
30:
end if
31:
end procedure
F
i
gur
e
1
.
T
h
e
pr
o
p
o
s
e
d
m
o
de
l
o
f
M
e
d
i
C
r
y
pt
-
Z
KA
P
3.
RE
S
UL
T
S
AN
D
DI
S
CU
S
S
I
ON
A
z
e
r
o
-
kn
o
wl
e
dge
pr
oo
f
s
y
s
t
e
m
m
us
t
e
n
s
ur
e
t
h
a
t
i
f
t
h
e
w
i
t
n
e
s
s
s
t
a
t
e
m
e
n
t
i
s
v
a
li
d,
t
h
e
pr
o
v
e
r
c
a
n
a
l
wa
y
s
s
a
t
i
s
f
y
t
h
e
v
e
r
i
f
i
e
r
(
c
o
m
p
l
e
t
e
n
e
s
s
)
,
a
n
d
a
A
b
e
n
e
v
o
l
e
n
t
pr
o
v
e
r
i
s
u
n
a
bl
e
t
o
c
o
n
vi
nc
e
t
h
e
ve
r
i
f
ier
t
h
a
t
a
s
t
a
t
e
m
e
n
t
i
s
f
a
l
s
e
s
o
un
d
n
e
s
s
)
.
A
dd
i
t
i
o
n
a
ll
y
,
t
h
e
ve
r
i
f
i
e
r
s
h
o
u
l
d
o
n
l
y
l
e
a
r
n
t
h
a
t
t
h
e
s
t
a
t
e
m
e
n
t
i
s
tr
ue
wi
t
h
o
ut
ga
i
ni
ng
a
ny
s
pe
c
if
i
c
k
n
o
w
l
e
dg
e
a
b
o
ut
t
h
e
s
t
a
t
e
m
e
nt
i
t
s
e
l
f
(
z
e
r
o
-
kn
o
wl
e
dg
e
)
.
T
h
e
c
h
a
ll
e
n
ge
c
i
s
r
a
n
do
m
ly
ge
n
e
r
a
t
e
d
by
t
h
e
v
e
r
if
i
e
r
(
l
i
ne
11)
.
T
hi
s
r
a
n
do
m
ne
s
s
e
n
s
ur
e
s
t
h
a
t
a
d
i
s
ho
n
e
s
t
pr
o
v
e
r
c
a
n
n
o
t
p
r
e
d
i
c
t
o
r
i
nf
l
ue
n
c
e
t
h
e
c
h
a
ll
e
n
ge
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
2
5
0
2
-
4
7
52
In
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
,
Vo
l
.
3
7
,
N
o
.
1
,
J
a
n
ua
r
y
20
2
5
:
49
8
-
50
6
502
T
h
e
v
a
l
ue
u
←
G
o
r
i
g
i
n
a
l
_
s
m
o
d
p
(
l
i
ne
6)
bi
nds
t
h
e
pr
o
v
e
r
to
a
s
pe
c
i
f
i
c
v
a
l
ue
b
a
s
e
d
o
n
t
h
e
i
r
s
e
c
r
e
t
or
igi
nal_s
.
T
h
e
v
e
r
i
f
i
c
a
t
i
o
n
s
t
e
p
c
h
e
c
k
s
i
f
v
=
v
d
o
c
b
wh
e
r
e
v
_
d
o
c
b
←
(
m
×
n
)
m
o
d
p
c
o
m
put
e
d
us
i
n
g
t
h
e
pr
ov
e
r
’
s
r
e
s
po
n
s
e
a
n
d
t
h
e
or
i
g
i
na
l
c
o
m
mi
t
m
e
n
t
(
l
i
ne
24)
.
I
f
t
h
e
pr
o
v
e
r
do
e
s
n
ot
kn
o
w
t
h
e
s
e
c
r
e
t
s
e
nt_s
,
t
h
e
y
c
a
nn
o
t
pr
o
duc
e
a
v
a
l
i
d
r
e
s
u
l
t
t
h
a
t
wi
ll
s
a
t
i
s
f
y
t
hi
s
e
qua
t
i
o
n
a
n
d
e
ns
ur
e
s
t
h
e
c
o
m
p
l
e
t
e
ne
s
s
.
T
h
e
pr
oto
c
o
l
’
s
s
o
un
d
n
e
s
s
a
n
d
c
o
m
p
l
e
t
e
n
e
s
s
[
23
]
i
s
e
ns
ur
e
d
by
t
h
e
u
s
e
o
f
r
a
n
do
m
c
ha
l
l
e
nge
s
,
bi
nd
i
ng
c
o
m
mi
t
m
e
n
t
s
,
a
n
d
t
h
e
pr
o
pe
r
v
e
r
i
f
i
c
a
t
i
o
n
o
f
t
h
e
pr
o
v
e
r
’
s
r
e
s
po
ns
e
.
T
hi
s
pr
e
v
e
n
t
s
a
d
i
s
h
o
n
e
s
t
p
r
o
v
e
r
f
r
o
m
s
uc
c
e
s
s
f
u
ll
y
a
ut
h
e
n
t
i
c
a
t
i
n
g
w
i
t
h
o
ut
kn
o
wi
n
g
t
h
e
c
or
r
e
c
t
a
u
t
h
o
r
i
z
a
t
i
o
n
to
ke
n
.
T
h
e
pr
o
p
o
s
e
d
w
o
r
k
i
s
de
p
l
o
y
e
d
o
n
pr
o
c
e
s
s
o
r
11
t
h
Ge
n
I
n
t
e
l
(
R
)
C
o
r
e
(
T
M
)
i
5
-
11400H
@
2.
70GH
z
2.
69
GH
z
a
n
d
U
b
u
n
t
u
L
i
n
u
x
20.
04/22.
04
L
T
S
(
b
ot
h
64
-
bi
t
)
o
pe
r
a
t
i
n
g
s
y
s
t
e
m
s
w
i
t
h
4
GB
R
AM
a
nd
40
GB
d
i
s
k
s
pa
c
e
[
24]
.
A
pe
r
m
i
s
s
i
o
n
e
d
H
y
pe
r
l
e
dge
r
F
a
b
r
i
c
(
HL
F
v
2.
0)
n
e
t
w
o
r
k
wa
s
s
e
t
up
wi
t
h
o
n
e
C
ha
nn
e
l
c
o
n
n
e
c
t
i
n
g
t
wo
or
ga
ni
z
a
t
i
o
ns
Or
g1,
a
n
d
Or
g2.
D
o
c
A
i
s
pa
r
t
o
f
Or
g1
a
n
d
Do
c
B
i
s
pa
r
t
o
f
Or
g2
a
s
pe
e
r
s
.
T
h
e
c
ha
i
nc
o
de
pr
otot
y
pe
i
n
t
h
e
s
y
s
t
e
m
i
s
wr
i
t
t
e
n
i
n
Go
l
a
n
g.
T
h
e
c
l
i
e
n
t
f
r
a
m
e
wo
r
k
i
s
M
e
d
i
C
r
y
pt
-
Z
KA
P
+
Go
l
a
n
g
+
Ht
m
l
.
Do
c
A
,
a
s
t
h
e
h
e
a
l
t
h
c
a
r
e
pr
o
vi
d
e
r
,
h
o
l
d
s
a
c
c
e
s
s
t
o
pa
t
i
e
n
t
h
e
a
l
t
h
r
e
c
o
r
ds
,
f
o
r
e
x
a
m
p
l
e
,
t
h
o
s
e
o
f
pa
t
i
e
n
t
1
.
W
h
e
n
Do
c
A
s
e
e
ks
a
s
e
c
on
d
o
pi
ni
o
n
o
r
e
v
a
l
ua
t
i
o
n
f
r
o
m
a
n
o
t
h
e
r
d
o
c
to
r
(
Do
c
B
)
,
t
h
e
y
i
n
i
t
i
a
t
e
t
h
e
pr
o
c
e
s
s
o
f
s
ha
r
i
n
g
t
h
e
pa
t
i
e
n
t
’
s
r
e
c
o
r
ds
.
D
o
c
B
a
s
i
n
F
i
gur
e
2,
h
a
s
to
r
e
g
i
s
t
e
r
to
t
h
e
f
r
a
m
e
wo
r
k
whi
c
h
ge
n
e
r
a
t
e
s
a
u
ni
que
t
o
k
e
n
.
E
g:
“
e
y
J
hbGc
iOiJI
Uz
I
1N
iI
s
I
nR
5c
C
I
6I
k
pX
V
C
J
9.
e
y
J
le
HA
iOjE
3M
T
Uz
OD
Y
1M
jA
s
I
nV
z
Z
X
J
uY
W
1lI
joi
Z
G9jY
jE
iL
C
J
v
c
mdO
Y
W
1lI
joi
T
3J
nM
SI
s
I
mlhdC
I
6M
T
c
x
N
T
M
1M
DU
y
M
H0.
bOO
hy
9C
W
5x
E
Y
mLt
lJZSxY
X
z
0
k
e
v
z
nE
E
k
8aP
A
U
x
q3jqs
”
.
F
i
gur
e
2
.
D
o
c
B
r
e
gi
s
t
r
a
t
i
o
n
i
nf
o
r
m
a
t
i
o
n
W
h
e
n
Do
c
B
’
s
r
e
g
i
s
t
r
a
t
i
o
n
i
nf
o
r
m
a
t
i
o
n
i
s
t
r
a
n
s
mi
t
ted
to
D
o
c
A
f
o
r
a
ut
h
e
n
t
i
c
a
t
i
o
n
,
Do
c
A
u
t
i
li
z
e
s
t
h
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
(
z
e
r
o
kn
o
wl
e
dge
a
c
c
e
s
s
pr
oto
c
o
l
)
to
v
a
l
i
da
t
e
t
h
e
l
e
g
i
t
im
a
c
y
o
f
t
h
e
r
e
que
s
t
,
u
t
i
l
i
z
i
ng
Do
c
B
’
s
u
ni
qu
e
to
ke
n
,
a
s
i
ll
us
t
r
a
t
e
d
i
n
F
i
gur
e
3.
Up
on
r
e
c
e
i
vi
ng
t
h
e
r
e
que
s
t,
D
o
c
A
h
a
s
t
w
o
p
o
s
s
i
bl
e
a
c
t
i
o
ns
:
d
i
s
c
a
r
d
o
r
s
t
a
r
t
a
ut
h
e
n
t
i
c
a
t
i
o
n
.
W
h
e
n
o
pt
i
n
g
t
o
b
e
g
i
n
t
h
e
a
ut
h
e
n
t
i
c
a
t
i
o
n
pr
o
c
e
s
s
,
t
h
e
M
e
d
i
C
r
y
pt
-
Z
K
A
P
c
h
a
i
nc
o
de
i
s
a
c
t
i
v
a
t
e
d.
I
t
pr
o
c
e
s
s
e
s
t
h
e
Do
c
B
to
ke
n
whi
l
e
f
a
c
t
or
i
n
g
i
n
t
h
e
pr
i
m
e
n
u
m
be
r
a
n
d
r
a
n
do
m
n
u
m
be
r
s
a
c
c
o
r
di
n
g
t
o
t
h
e
a
l
go
r
i
t
hm
.
I
f
t
h
e
a
ut
h
e
n
t
i
c
a
t
i
o
n
f
a
il
s
t
h
e
h
e
a
l
t
h
pr
o
vi
de
r
c
a
n
us
e
a
di
s
c
a
r
d
a
c
t
i
o
n
to
de
ny
a
c
c
e
s
s
to
t
h
e
h
e
a
l
t
h
r
e
c
o
r
ds
.
C
o
uc
h
DB
[
25]
i
s
us
e
d
t
o
m
a
i
n
t
a
i
n
t
h
e
bl
o
c
kc
h
a
i
n
d
a
t
a
whi
c
h
i
s
we
l
l
i
n
t
e
gr
a
t
e
d
to
HL
F
v
2.
0.
Af
t
e
r
t
h
e
z
e
r
o
-
kn
o
wl
e
dge
a
c
c
e
s
s
pr
oto
c
o
l
s
uc
c
e
s
s
f
u
l
ly
a
ut
h
e
n
t
i
c
a
t
e
s
t
h
e
d
o
c
to
r
s
,
t
h
e
pa
t
i
e
n
t
de
t
a
i
ls
a
r
e
t
h
e
n
s
h
a
r
e
d
w
i
t
h
t
h
e
m
a
s
i
n
F
i
gur
e
4.
F
i
gur
e
5
i
ll
u
s
t
r
a
t
e
s
t
h
e
a
c
c
e
s
s
gr
a
n
t
e
d
to
D
o
c
B
f
o
l
l
o
w
i
n
g
t
h
e
v
a
li
da
t
i
o
n
by
t
h
e
z
e
r
o
-
kn
o
wl
e
dg
e
a
c
c
e
s
s
pr
oto
c
o
l
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
I
S
S
N:
2
5
0
2
-
4
7
52
I
mple
me
nti
ng
z
e
r
o
-
k
no
w
ledge
pr
oof
authenticatio
n
on
Hy
pe
r
ledge
r
…
(
P
r
av
e
e
na
B
oll
y
J
os
hi
)
503
F
i
gur
e
3
.
D
o
c
A
v
e
r
i
f
i
e
s
t
h
e
r
e
que
s
t
f
r
o
m
Do
c
B
F
i
gur
e
4
.
M
e
d
i
C
r
y
pt
-
Z
KA
P
de
m
o
ns
t
r
a
t
e
s
t
h
e
a
ut
h
e
n
t
i
c
i
t
y
o
f
Do
c
B
us
i
n
g
t
h
e
uni
que
to
ke
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
2
5
0
2
-
4
7
52
In
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
,
Vo
l
.
3
7
,
N
o
.
1
,
J
a
n
ua
r
y
20
2
5
:
49
8
-
50
6
50
4
F
i
gur
e
5
.
D
e
pi
c
t
s
t
h
e
a
ut
h
o
r
i
z
a
t
i
o
n
gr
a
n
t
e
d
to
D
o
c
B
3.
1
.
P
e
r
f
o
r
m
an
c
e
a
n
al
ys
i
s
I
n
t
hi
s
t
e
s
t
s
c
e
n
a
r
i
o
t
h
e
t
e
s
t
wa
s
c
o
n
duc
t
e
d
f
o
r
c
r
e
a
t
i
n
g
n
u
m
e
r
o
us
us
e
r
a
c
c
o
un
t
s
i
n
t
h
e
n
e
t
wor
k.
H
y
pe
r
l
e
dge
r
C
a
li
pe
r
[
20
]
i
s
us
e
d
t
o
e
v
a
l
u
a
t
e
t
h
e
pe
r
f
o
r
m
a
n
c
e
.
F
o
r
c
r
e
a
t
i
n
g
us
e
r
a
c
c
o
un
t
s
,
we
us
e
d
400
us
e
r
a
c
c
o
un
t
s
w
i
t
h
200
t
r
a
n
s
a
c
t
i
o
n
s
p
e
r
s
e
c
o
n
d
(
T
P
S
)
.
T
a
bl
e
1
s
h
o
ws
t
h
e
t
e
s
t
r
e
s
ul
t
s
.
W
e
i
nve
s
t
i
ga
t
e
d
t
h
e
e
f
f
e
c
t
o
f
t
h
e
n
u
m
b
e
r
o
f
pe
e
r
s
o
n
bl
o
c
kc
h
a
i
n
e
f
f
i
c
i
e
n
c
y
,
wh
e
r
e
pe
e
r
s
i
n
d
i
c
a
t
e
t
h
e
n
u
m
be
r
o
f
us
e
r
s
pr
o
c
e
s
s
i
n
g
t
r
a
n
s
a
c
t
i
o
ns
s
im
u
l
t
a
n
e
o
us
ly
.
T
a
bl
e
1
il
l
u
s
t
r
a
t
e
s
t
h
e
a
s
s
o
c
i
a
t
i
o
n
a
m
o
n
g
t
h
e
n
u
m
be
r
o
f
pe
e
r
s
a
n
d
T
P
S
.
T
h
e
T
P
S
gr
a
dua
l
ly
l
o
we
r
s
a
s
t
h
e
n
u
m
b
e
r
o
f
pe
e
r
s
i
nc
r
e
a
s
e
s
.
T
o
o
b
t
a
i
n
hi
g
h
T
P
S
,
f
e
we
r
pe
e
r
s
a
r
e
n
e
c
e
s
s
a
r
y
.
Ho
we
v
e
r
,
i
n
r
e
a
li
t
y
,
t
h
e
r
e
a
r
e
a
l
a
r
ge
n
u
m
be
r
o
f
pe
e
r
s
r
e
pr
e
s
e
n
t
i
n
g
b
o
t
h
pa
t
i
e
n
t
s
a
n
d
m
e
d
i
c
a
l
pr
o
f
e
s
s
i
o
n
a
l
s
.
“
I
n
c
o
m
p
a
r
i
s
o
n
to
t
h
e
l
i
t
e
r
a
t
ur
e
[
20
]
,
t
h
e
t
h
r
o
ugh
put
i
s
i
n
c
r
e
a
s
e
d
by
t
wo
to
t
h
r
e
e
f
o
l
d.
T
a
bl
e
1
.
C
a
l
i
pe
r
r
e
por
t
o
f
F
a
b
r
i
c
pe
r
f
o
r
m
a
nc
e
N
a
me
S
uc
c
F
a
il
S
e
nd
r
a
t
e
(
T
P
S
)
M
a
x
l
a
te
n
c
y
(
s
)
M
in
l
a
te
nc
y
(
s
)
A
v
g
l
a
t
e
nc
y
(
s
)
T
h
r
o
ughput (
T
P
S
)
C
r
e
a
te
a
c
c
o
unt
2500
0
200
4.28
0.32
2.35
410.1
I
ns
e
r
t
t
r
a
ns
a
c
ti
o
ns
2497
3
200
6.32
1.23
3.77
381.2
Q
ue
r
y
in
g
t
r
a
ns
a
c
ti
o
ns
2500
0
200
1.12
0.68
0.96
396.2
T
h
e
a
l
go
r
i
t
hm
e
f
f
e
c
t
i
v
e
ly
a
ddr
e
s
s
e
s
ke
y
i
s
s
ue
s
i
n
h
e
r
e
n
t
i
n
t
r
a
di
t
i
o
n
a
l
i
de
n
t
i
t
y
v
e
r
i
f
i
c
a
t
i
o
n
m
e
t
h
o
ds
.
F
i
r
s
t
l
y
,
by
ut
i
li
z
i
ng
c
r
y
pt
o
g
r
a
phi
c
h
a
s
h
e
s
a
n
d
m
o
du
l
a
r
a
r
i
t
hm
e
t
i
c
,
M
e
d
i
C
r
y
pt
-
Z
KA
P
e
n
s
ur
e
s
t
h
a
t
s
e
ns
i
t
i
ve
i
n
f
o
r
m
a
t
i
o
n
,
s
uc
h
a
s
t
h
e
a
ut
h
e
n
t
i
c
a
t
i
o
n
t
o
ke
n
,
i
s
n
e
v
e
r
d
i
r
e
c
t
l
y
s
h
a
r
e
d.
I
ns
t
e
a
d,
o
n
l
y
d
e
r
i
v
e
d
c
r
y
pt
o
gr
a
phi
c
v
a
l
ue
s
a
r
e
e
x
c
h
a
n
ge
d,
s
i
g
nif
i
c
a
n
t
l
y
r
e
duc
i
ng
t
h
e
r
i
s
k
o
f
pr
i
v
a
c
y
vi
o
l
a
t
i
o
ns
,
da
t
a
m
i
s
us
e
,
a
n
d
pa
t
i
e
n
t
da
t
a
e
x
po
s
ur
e
.
S
e
c
o
n
d
l
y
,
t
h
e
a
l
go
r
i
t
hm
mi
t
i
ga
t
e
s
t
h
e
r
i
s
k
o
f
r
e
p
l
a
y
a
tt
a
c
ks
t
h
r
o
ugh
t
h
e
us
e
o
f
r
a
n
do
m
c
ha
l
l
e
n
ge
s
a
n
d
n
o
n
c
e
s
i
n
e
a
c
h
v
e
r
if
i
c
a
t
i
o
n
s
e
s
s
i
o
n
.
T
hi
s
e
n
s
ur
e
s
t
h
a
t
e
v
e
n
i
f
a
n
a
t
t
a
c
ke
r
i
n
t
e
r
c
e
pt
s
v
a
l
i
d
a
ut
h
e
n
t
i
c
a
t
i
o
n
da
t
a
,
t
h
e
y
c
a
nn
o
t
r
e
us
e
i
t
to
ga
i
n
una
ut
h
o
r
i
z
e
d
a
c
c
e
s
s
,
a
s
t
h
e
c
h
a
ll
e
n
ge
-
r
e
s
po
ns
e
m
e
c
h
a
ni
s
m
gua
r
a
n
t
e
e
s
t
h
e
f
r
e
s
hn
e
s
s
o
f
e
a
c
h
a
ut
h
e
n
t
i
c
a
t
i
o
n
a
tt
e
m
pt
.
T
hi
r
d
ly
,
M
e
d
i
C
r
y
pt
-
Z
KA
P
s
t
r
e
a
m
l
i
ne
s
t
h
e
i
de
n
t
i
t
y
v
a
li
da
t
i
o
n
pr
o
c
e
s
s
,
m
a
k
i
ng
i
t
l
e
s
s
t
i
m
e
-
c
o
n
s
u
m
i
ng
a
n
d
r
e
s
o
ur
c
e
-
i
n
t
e
ns
i
ve
.
T
r
a
di
t
i
o
n
a
l
m
e
t
h
o
ds
o
f
t
e
n
i
nv
o
l
ve
e
x
t
e
ns
i
ve
da
t
a
e
x
c
h
a
n
ge
s
a
n
d
c
o
m
p
l
e
x
pr
o
c
e
dur
e
s
,
pa
r
t
i
c
u
l
a
r
ly
i
n
de
c
e
n
t
r
a
l
i
z
e
d
s
y
s
t
e
m
s
wi
t
h
m
u
l
t
i
p
l
e
e
n
t
i
t
i
e
s
.
I
n
c
o
n
t
r
a
s
t
,
M
e
di
C
r
y
pt
-
Z
KA
P
’
s
e
f
f
i
c
i
e
n
t
a
n
d
de
t
e
r
m
i
n
i
s
t
i
c
c
o
m
put
a
t
i
o
ns
e
ns
ur
e
qui
c
k
v
e
r
i
f
i
c
a
t
i
o
n
w
i
t
h
o
ut
c
o
m
pr
o
m
i
s
i
ng
s
e
c
ur
i
t
y
.
T
his
m
a
ke
s
t
h
e
a
l
go
r
i
t
hm
pa
r
t
i
c
u
l
a
r
l
y
a
d
v
a
n
t
a
ge
o
us
i
n
de
c
e
n
t
r
a
l
i
z
e
d
h
e
a
l
t
h
c
a
r
e
s
y
s
t
e
m
s
wh
e
r
e
r
a
p
i
d
a
n
d
r
e
l
i
a
bl
e
i
de
n
t
i
t
y
v
e
r
if
i
c
a
t
i
o
n
i
s
c
r
i
t
i
c
a
l
.
B
y
a
ddr
e
s
s
i
n
g
t
h
e
s
e
f
u
n
d
a
m
e
n
t
a
l
i
s
s
ue
s
,
M
e
d
i
C
r
y
pt
-
Z
KA
P
pr
o
vi
de
s
a
r
o
b
us
t
,
e
f
f
i
c
i
e
n
t
,
a
n
d
pr
i
v
a
c
y
-
pr
e
s
e
r
vi
ng
a
l
t
e
r
n
a
t
i
v
e
t
o
c
o
n
v
e
n
t
i
o
n
a
l
a
ut
h
e
n
t
i
c
a
t
i
o
n
m
e
t
h
o
ds
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
I
S
S
N:
2
5
0
2
-
4
7
52
I
mple
me
nti
ng
z
e
r
o
-
k
no
w
ledge
pr
oof
authenticatio
n
on
Hy
pe
r
ledge
r
…
(
P
r
av
e
e
na
B
oll
y
J
os
hi
)
505
4.
CONC
L
USI
ON
T
h
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
a
l
go
r
i
t
hm
a
ddr
e
s
s
e
s
s
e
ve
r
a
l
l
im
i
t
a
t
i
o
n
s
o
f
tr
a
di
t
i
o
n
a
l
z
e
r
o
-
kn
o
wl
e
dge
pr
oo
f
(
Z
K
P
)
s
y
s
t
e
m
s
t
h
r
o
ugh
i
t
s
s
t
r
e
a
m
li
ne
d
a
n
d
e
f
f
i
c
i
e
n
t
a
ppr
o
a
c
h
.
B
y
e
m
p
l
o
yi
ng
b
a
s
i
c
c
r
y
pt
o
gr
a
phi
c
o
pe
r
a
t
i
o
n
s
a
n
d
m
o
du
l
a
r
a
r
i
t
hm
e
t
i
c
,
i
t
r
e
duc
e
s
c
o
m
put
a
t
i
o
n
a
l
o
v
e
r
h
e
a
d
a
n
d
e
n
s
ur
e
s
f
a
s
t
e
r
e
x
e
c
ut
i
o
n
t
i
m
e
s
c
o
m
pa
r
e
d
to
m
o
r
e
c
o
m
p
l
e
x
Z
K
P
pr
oto
c
o
l
s
li
ke
z
k
-
S
NA
R
K
s
.
T
hi
s
s
i
m
p
li
c
i
t
y
m
a
ke
s
M
e
d
i
C
r
y
pt
-
Z
KA
P
we
l
l
-
s
u
i
t
e
d
f
o
r
r
e
s
o
ur
c
e
-
c
o
n
s
t
r
a
i
n
e
d
e
nvi
r
o
nm
e
n
t
s
whi
l
e
m
a
i
n
t
a
i
n
i
ng
r
o
b
us
t
s
e
c
ur
i
t
y
.
F
ur
t
h
e
r
m
o
r
e
,
t
h
e
a
l
go
r
i
t
hm
’
s
c
o
m
pa
c
t
m
e
s
s
a
ge
e
x
c
ha
n
ge
o
p
t
i
mi
z
e
s
c
o
m
m
u
ni
c
a
t
i
o
n
e
f
f
ic
i
e
n
c
y
,
r
e
duc
i
n
g
t
h
e
b
a
n
dw
i
dt
h
r
e
qu
i
r
e
d
f
o
r
i
n
t
e
r
a
c
t
i
o
ns
b
e
t
we
e
n
t
h
e
pr
o
v
e
r
a
n
d
v
e
r
i
f
i
e
r
.
T
h
e
s
e
f
e
a
t
ur
e
s
c
o
l
l
e
c
t
i
v
e
ly
e
nh
a
n
c
e
t
h
e
pr
a
c
t
i
c
a
li
t
y
a
n
d
s
c
a
l
a
bil
i
t
y
o
f
M
e
d
i
C
r
y
pt
-
Z
KA
P
i
n
v
a
r
i
o
us
a
ut
h
e
n
t
i
c
a
t
i
o
n
s
c
e
n
a
r
i
o
s
.
L
o
o
ki
n
g
t
o
wa
r
ds
f
ut
ur
e
e
n
h
a
n
c
e
m
e
n
t
s
,
s
e
v
e
r
a
l
a
ve
n
ue
s
c
o
ul
d
f
ur
t
h
e
r
i
m
pr
o
v
e
M
e
d
i
C
r
y
pt
-
Z
KA
P
’
s
c
a
pa
bi
li
t
i
e
s
.
I
n
c
r
e
a
s
i
ng
t
h
e
s
i
z
e
o
f
t
h
e
pr
im
e
n
u
mb
e
r
c
o
u
l
d
e
nh
a
n
c
e
s
e
c
ur
i
t
y
by
m
a
k
i
ng
t
h
e
c
r
y
pt
o
gr
a
phi
c
o
pe
r
a
t
i
o
n
s
m
o
r
e
r
e
s
i
s
t
a
n
t
to
a
tt
a
c
ks
.
A
dd
i
t
i
o
n
a
ll
y,
i
n
t
e
gr
a
t
i
n
g
a
d
v
a
nc
e
d
r
a
n
do
m
n
u
m
be
r
ge
ne
r
a
to
r
s
wo
ul
d
s
t
r
e
n
gt
h
e
n
t
h
e
r
o
b
us
t
n
e
s
s
o
f
t
h
e
a
l
go
r
i
t
hm
a
ga
i
ns
t
p
ot
e
n
t
i
a
l
v
u
l
ne
r
a
bil
i
t
i
e
s
.
An
ot
h
e
r
pot
e
n
t
i
a
l
e
nh
a
n
c
e
m
e
n
t
c
o
ul
d
i
nv
o
l
ve
c
o
m
bi
n
i
ng
M
e
d
i
C
r
y
pt
-
Z
KA
P
w
i
t
h
ot
h
e
r
c
r
y
pt
o
gr
a
phi
c
pr
oto
c
o
l
s
to
c
r
e
a
t
e
a
c
o
m
pr
e
h
e
ns
i
ve
s
e
c
ur
i
t
y
f
r
a
m
e
wo
r
k,
a
dd
r
e
s
s
i
n
g
a
b
r
o
a
de
r
r
a
n
ge
o
f
s
e
c
ur
i
t
y
c
h
a
ll
e
n
ge
s
.
C
o
n
t
i
n
uo
us
a
da
pt
a
t
i
o
n
a
n
d
i
nn
o
v
a
t
i
o
n
w
i
ll
e
n
s
ur
e
t
h
a
t
M
e
d
i
C
r
y
pt
-
Z
KA
P
r
e
m
a
i
ns
a
c
utt
i
ng
-
e
dge
s
o
l
ut
i
o
n
i
n
t
h
e
e
v
o
l
vi
ng
l
a
n
d
s
c
a
pe
o
f
Z
K
P
a
n
d
c
r
y
pt
o
g
r
a
phi
c
a
ut
h
e
n
t
i
c
a
t
i
o
n
.
RE
F
E
R
E
NC
E
S
[
1]
T
.
B
a
i,
Y
.
H
u,
J
.
H
e
,
H
.
F
a
n,
a
nd
Z
.
A
n,
“
H
e
a
lt
h
-
z
kI
D
M
:
a
he
a
lt
hc
a
r
e
id
e
nt
it
y
s
y
s
t
e
m
ba
s
e
d
o
n
f
a
br
i
c
bl
oc
k
c
ha
in
a
nd
z
e
r
o
-
kno
w
l
e
dg
e
pr
o
of
,”
Se
ns
or
s
(
B
as
e
l,
Sw
it
z
e
r
la
nd)
, vo
l.
22, n
o
. 20
, p. 7716, Oc
t.
2022, d
o
i:
10.3390/s
22207716.
[
2]
P
.
D
unph
y
a
nd
F
.
A
.
P
.
P
e
ti
t
c
o
la
s
,
“
A
f
ir
s
t
l
oo
k
a
t
id
e
nt
it
y
ma
na
ge
me
nt
s
c
h
e
m
e
s
o
n
th
e
bl
oc
k
c
ha
in
,”
I
E
E
E
Se
c
ur
it
y
and
P
r
iv
ac
y
,
vo
l.
16, n
o
. 4, pp. 20
–
29,
J
ul
. 2018, d
o
i:
10.1109/M
S
P
.2018.31
11247.
[
3]
I
.
Y
a
qoo
b,
K
.
S
a
la
h,
R
.
J
a
y
a
r
a
ma
n,
a
nd
Y
.
A
l
-
H
a
mm
a
di
,
“
B
l
oc
k
c
ha
in
f
o
r
h
e
a
lt
hc
a
r
e
da
ta
ma
na
ge
m
e
nt
:
o
pp
or
tu
ni
ti
e
s
,
c
ha
ll
e
n
ge
s
,
a
nd
f
ut
ur
e
r
e
c
o
mm
e
nda
ti
o
ns
,”
N
e
ur
al
C
om
put
in
g
and
A
ppl
ic
at
io
ns
,
vo
l.
34,
n
o
.
14,
pp.
11475
–
11490,
J
ul
.
20
22,
do
i:
10.1007/s
00521
-
020
-
05519
-
w.
[
4]
L
.
C
he
n,
W
.
K
.
L
e
e
,
C
.
C
.
C
h
a
ng,
K
.
K
.
R
.
C
ho
o
,
a
nd
N
.
Z
ha
ng,
“
B
lo
c
k
c
ha
in
ba
s
e
d
s
e
a
r
c
ha
bl
e
e
n
c
r
y
pt
i
o
n
f
o
r
e
l
e
c
t
r
o
ni
c
he
a
lt
h
r
e
c
o
r
d s
ha
r
in
g,”
F
ut
ur
e
G
e
ne
r
at
io
n C
om
put
e
r
S
y
s
te
m
s
, v
o
l.
95,
pp. 420
–
429, J
un. 2019, do
i:
10.1016/j
.
f
ut
u
r
e
.2019.01.018.
[
5]
P
.
T
ha
kka
r
,
S
.
N
a
th
a
n,
a
nd
B
.
V
is
w
a
na
th
a
n,
“
P
e
r
f
or
ma
n
c
e
b
e
n
c
hma
r
ki
ng
a
nd
o
pt
im
iz
in
g
h
y
pe
r
l
e
dge
r
f
a
br
i
c
b
l
o
c
k
c
ha
in
pl
a
tf
or
m,”
P
r
oc
e
e
di
ngs
-
26t
h
I
E
E
E
I
nt
e
r
nat
io
nal
Sy
m
pos
iu
m
on
M
ode
li
ng,
A
nal
y
s
is
and
S
imul
at
io
n
of
C
om
put
e
r
and
T
e
le
c
om
m
uni
c
at
io
n Sy
s
te
m
s
, M
A
SC
O
T
S 2018
, pp. 264
–
276, 2018, do
i:
10.1109/M
A
S
C
O
T
S
.2018.00034.
[
6]
Z
.
M
a
hmoo
d
a
nd
J
.
V
a
c
iu
s
,
“
P
r
iv
a
c
y
-
pr
e
s
e
r
v
in
g
bl
oc
k
-
c
ha
in
f
r
a
me
w
o
r
k
ba
s
e
d
o
n
r
in
g
s
ig
na
tu
r
e
s
(
R
S
s
)
a
nd
z
e
r
o
-
kn
o
w
l
e
dge
pr
oo
fs
(
Z
K
P
s
)
,”
in
2020
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
I
nnov
at
io
n
and
I
nt
e
ll
ig
e
nc
e
f
or
I
nf
or
m
at
ic
s
,
C
om
put
in
g
and
T
e
c
hnol
ogi
e
s
,
3I
C
T
2020
, D
e
c
. 2020, pp. 1
–
6, d
o
i:
10.1109/3I
C
T
51146.2020.
9312014.
[
7]
Q
.
W
a
ng
a
nd
S
.
Q
in
,
“
A
h
y
p
e
r
l
e
dg
e
r
f
a
b
r
ic
-
ba
s
e
d
s
y
s
t
e
m
f
r
a
me
w
o
r
k
f
o
r
h
e
a
lt
h
c
a
r
e
da
ta
ma
na
ge
m
e
nt
,”
A
pp
li
e
d
Sc
ie
nc
e
s
(
Sw
it
z
e
r
la
nd)
,
vo
l.
11, n
o
. 24, p. 11693, De
c
. 2021, d
o
i:
10.339
0/
a
pp112411693.
[
8]
M
.
A
nt
w
i,
A
.
A
dna
ne
,
F
.
A
hma
d,
R
.
H
us
s
a
in
,
M
.
H
.
ur
-
R
e
h
ma
n,
a
nd
C
.
A
.
K
e
r
r
a
c
he
,
“
T
he
c
a
s
e
of
H
y
p
e
r
L
e
dg
e
r
F
a
br
ic
a
s
a
bl
oc
k
c
ha
in
s
o
l
ut
i
o
n
f
o
r
h
e
a
lt
h
c
a
r
e
a
ppl
i
c
a
ti
o
ns
,”
B
lo
c
k
c
hai
n:
R
e
s
e
ar
c
h
and
A
ppl
ic
at
io
ns
,
v
ol
.
2,
n
o
.
1,
p.
100012,
M
a
r
.
20
21,
do
i:
10.1016/j
.b
c
r
a
.2021.100012.
[
9]
R
.
A
nus
uy
a
,
D
.
K
.
R
e
nuka
,
S
.
G
ha
na
s
i
y
a
a
,
K
.
H
a
r
s
hi
ni
,
K
.
M
o
uni
ka
,
a
nd
K
.
S
.
N
a
ve
e
na
,
“
P
r
i
v
a
c
y
-
pr
e
s
e
r
v
in
g
b
l
o
c
k
c
ha
in
-
b
a
s
e
d
E
H
R
u
s
in
g Z
K
-
S
na
r
ks
,”
i
n
C
om
m
uni
c
at
io
ns
i
n C
om
put
e
r
and I
nf
or
m
at
io
n Sc
i
e
nc
e
, v
o
l.
1631, 2022, pp. 109
–
123.
[
10]
F
.
C
a
s
in
o
,
T
.
K
.
D
a
s
a
kl
is
,
a
nd
C
.
P
a
ts
a
ki
s
,
“
A
s
y
s
te
ma
ti
c
li
te
r
a
tu
r
e
r
e
v
i
e
w
of
bl
oc
k
c
ha
in
-
ba
s
e
d
a
ppl
i
c
a
ti
o
ns
:
C
ur
r
e
nt
s
ta
tu
s
,
cl
a
s
s
if
i
c
a
ti
o
n a
nd
o
p
e
n i
s
s
ue
s
,”
T
e
le
m
at
ic
s
and I
nf
o
r
m
at
ic
s
, v
o
l
. 36, pp. 55
–
81, M
a
r
. 2019, do
i:
10.1016/j
.t
e
l
e
.2018.11.006.
[
11]
E
.
B
e
n
-
S
a
s
s
o
n,
A
.
C
hi
e
s
a
,
E
.
T
r
o
m
e
r
,
a
nd
M
.
V
ir
z
a
,
“
S
uc
c
in
c
t
no
n
-
in
te
r
a
c
ti
ve
z
e
r
o
kn
o
w
l
e
dge
f
or
a
vo
n
ne
uma
nn
a
r
c
hi
t
e
c
tu
r
e
,”
P
r
o
c
e
e
di
ngs
of
t
he
23
r
d U
SE
N
I
X
Se
c
ur
it
y
Sy
m
pos
iu
m
, pp. 781
–
796, 2014.
[
12]
P
.
M
e
ll
,
J
.
D
r
a
y
,
a
nd
J
.
S
ho
o
k,
“
S
ma
r
t
c
o
n
tr
a
c
t
f
e
d
e
r
a
t
e
d
i
de
nt
it
y
ma
na
ge
m
e
nt
w
it
h
o
ut
th
ir
d
pa
r
t
y
a
ut
h
e
nt
i
c
a
ti
o
n
s
e
r
v
i
c
e
s
,”
L
e
c
tu
r
e
N
ot
e
s
i
n I
nf
o
r
m
at
ic
s
(
L
N
I
)
, P
r
oc
e
e
di
ngs
-
Se
r
ie
s
o
f
th
e
G
e
s
e
ll
s
c
ha
f
t
f
u
r
I
nf
o
r
m
at
ik
(
G
I
)
, vo
l.
P
-
293, pp. 37
–
48, 2019.
[
13]
Q
.
X
ia
,
E
.
B
.
S
if
a
h,
K
.
O
.
A
s
a
mo
a
h,
J
.
G
a
o
,
X
.
D
u,
a
nd
M
.
G
ui
z
a
ni
,
“
M
e
D
S
ha
r
e
:
tr
us
t
-
l
e
s
s
me
di
c
a
l
da
ta
s
h
a
r
in
g
a
mo
ng
c
lo
ud
s
e
r
v
i
c
e
p
r
ov
id
e
r
s
v
ia
bl
oc
k
c
ha
in
,”
I
E
E
E
A
c
c
e
s
s
, v
o
l.
5, pp. 14
7
57
–
14767, 2017, do
i:
10.1109/AC
C
E
S
S
.2017.2730843.
[
14]
P
.
G
e
n
e
s
ti
e
r
e
t
al
.
,
“
B
lo
c
k
c
ha
in
f
or
c
o
ns
e
nt
ma
na
ge
m
e
nt
i
n
th
e
e
he
a
lt
h
e
n
v
ir
o
nm
e
nt
:
a
nugge
t
f
o
r
pr
i
v
a
c
y
a
nd
s
e
c
u
r
it
y
c
ha
ll
e
ng
e
s
,”
J
our
nal
of
th
e
I
nt
e
r
nat
io
nal
Soc
ie
ty
f
o
r
T
e
le
m
e
di
c
in
e
and
E
h
e
al
th
,
2017,
[
O
nl
in
e
]
.
A
v
a
il
a
bl
e
:
ht
tp
s
:/
/j
o
u
r
na
ls
.ukz
n.a
c
.
z
a
/i
nd
e
x
.php/J
I
S
f
T
e
H
/a
r
ti
c
le
/
v
ie
w
/2
69
%
0A
ht
tp
s
:/
/j
o
u
r
na
ls
.ukz
n.a
c
.
z
a
/i
nd
e
x
.php/J
I
S
f
T
e
H
/a
r
ti
c
l
e
/d
o
w
nl
o
a
d/
269/
754.
[
15]
S
.
J
ia
ng,
J
.
C
a
o
,
H
.
W
u,
Y
.
Y
a
ng,
M
.
M
a
,
a
nd
J
.
H
e
,
“
B
l
oc
H
I
E
:
a
B
L
O
C
kc
ha
in
-
ba
s
e
d
pl
a
t
f
o
r
m
f
or
h
e
a
lt
hc
a
r
e
in
f
o
r
ma
t
io
n
ex
c
ha
nge
,”
in
2018
I
E
E
E
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
Sm
ar
t
C
om
put
in
g
(
SM
A
R
T
C
O
M
P
)
,
J
un.
2018,
pp.
49
–
56,
do
i:
10.1109/
S
M
A
R
T
C
O
M
P
.2018.00073.
[
16]
P
.
P
.
R
a
y
,
B
.
C
h
o
w
ha
n,
N
.
K
uma
r
,
a
nd
A
.
A
lm
o
gr
e
n,
“
B
I
oT
H
R
:
e
l
e
c
tr
o
ni
c
h
e
a
lt
h
r
e
c
or
d
s
e
r
v
i
c
in
g
s
c
h
e
m
e
in
I
oT
-
bl
oc
kc
h
a
in
e
c
o
s
y
s
t
e
m,”
I
E
E
E
I
nt
e
r
ne
t
of
T
hi
ngs
J
our
nal
, v
o
l.
8, n
o
. 13, pp.
10857
–
10872, J
ul
. 2021, do
i:
10.1109/J
I
O
T
.2021.3050703.
[
17]
V
.
P
.
Y
a
na
mba
ka
,
S
.
P
.
M
o
ha
nt
y
,
E
.
K
o
ugi
a
n
o
s
,
a
nd
D
.
P
ut
ha
l,
“
P
M
s
e
c
:
ph
y
s
i
c
a
l
unc
l
o
na
bl
e
f
un
c
ti
o
n
-
ba
s
e
d
r
o
bus
t
a
nd
li
ght
w
e
ig
ht
a
ut
he
nt
i
c
a
ti
o
n
in
th
e
in
te
r
n
e
t
of
m
e
di
c
a
l
th
in
gs
,
”
I
E
E
E
T
r
ans
ac
ti
ons
on
C
ons
um
e
r
E
le
c
tr
oni
c
s
,
v
ol
.
65,
n
o.
3,
pp. 388
–
397, Aug. 2019, do
i:
10.1109/
T
C
E
.2019.2926192.
[
18]
S
.
W
a
ng,
L
.
O
u
y
a
ng,
Y
.
Y
ua
n,
X
.
N
i,
X
.
H
a
n,
a
nd
F
.
Y
.
W
a
ng,
“
B
l
oc
kc
ha
in
-
e
na
bl
e
d
s
ma
r
t
c
o
n
tr
a
c
ts
:
a
r
c
h
it
e
c
tu
r
e
,
a
ppl
ic
a
ti
o
ns
,
a
nd
f
ut
u
r
e
tr
e
n
ds
,”
I
E
E
E
T
r
ans
ac
ti
ons
on
Sy
s
te
m
s
,
M
an,
and
C
y
be
r
ne
ti
c
s
:
Sy
s
te
m
s
,
v
o
l.
49,
n
o
.
11,
pp.
2266
–
2277,
N
ov
.
2
019,
do
i:
10.1109/
T
S
M
C
.2019.2895123.
[
19]
A
.
R
.
R
a
jp
ut
,
Q
.
L
i,
a
nd
M
.
T
.
A
h
v
a
n
oo
e
y
,
“
A
bl
oc
k
c
ha
in
-
b
a
s
e
d
s
e
c
r
e
t
-
da
ta
s
ha
r
in
g
f
r
a
m
e
w
o
r
k
f
or
p
e
r
s
o
na
l
h
e
a
lt
h
r
e
c
or
d
s
in
e
m
e
r
g
e
nc
y
c
o
ndi
t
i
o
n,”
H
e
al
th
c
ar
e
(
Sw
it
z
e
r
la
nd)
, vo
l.
9, n
o
. 2,
p. 206, F
e
b. 2021, d
o
i:
10.3390/h
e
a
lt
h
c
a
r
e
9020206.
[
20]
“
H
y
pe
r
l
e
dge
r
C
a
li
pa
r
.”
ht
tp
s
:
//
gi
th
ub.c
o
m/
h
y
p
e
r
le
dg
e
r
/c
a
li
p
e
r
.
[
21]
I
.
T
. J
a
v
e
d,
F
. A
lh
a
r
bi
,
B
.
B
e
ll
a
j,
T
. M
a
r
ga
r
ia
, N
. C
r
e
s
pi
, a
nd
K
. N
. Q
ur
e
s
hi
, “
H
e
a
lt
h
-
id
:
a
bl
oc
kc
ha
in
-
ba
s
e
d d
e
c
e
nt
r
a
li
z
e
d i
d
e
n
ti
t
y
ma
na
ge
me
nt
f
or
r
e
m
o
t
e
h
e
a
lt
h
c
a
r
e
,”
H
e
al
th
c
ar
e
(
Sw
it
z
e
r
la
nd)
,
vo
l.
9, n
o
. 6, p. 712,
J
un. 2021, d
o
i:
10.3390/h
e
a
lt
h
c
a
r
e
906071
2.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
2
5
0
2
-
4
7
52
In
do
n
e
s
i
a
n
J
E
l
e
c
E
n
g
&
C
o
m
p
S
c
i
,
Vo
l
.
3
7
,
N
o
.
1
,
J
a
n
ua
r
y
20
2
5
:
49
8
-
50
6
506
[
22]
D
.
A
.
J
o
ne
s
,
J
.
P
.
S
hi
pma
n,
D
.
A
.
P
la
ut
,
a
nd
C
.
R
.
S
e
ld
e
n,
“
C
ha
r
a
c
te
r
is
ti
c
s
of
p
e
r
s
o
na
l
he
a
lt
h
r
e
c
o
r
ds
:
f
in
di
ngs
of
th
e
m
e
di
c
a
l
li
br
a
r
y
a
s
s
oc
ia
ti
o
n/
na
ti
o
na
l
li
b
r
a
r
y
of
me
d
ic
in
e
j
o
in
t
e
l
e
c
tr
o
ni
c
pe
r
s
o
na
l
h
e
a
lt
h
r
e
c
o
r
d
ta
s
k
f
or
c
e
,”
J
our
nal
of
th
e
M
e
di
c
al
L
ib
r
ar
y
A
s
s
oc
ia
ti
on
, vo
l.
98, n
o
. 3, pp. 243
–
249, 2010, d
o
i:
10.3163/15
36
-
5050.98.3.013.
[
23]
A
.
R
oe
hr
s
,
C
.
A
.
D
a
C
o
s
ta
,
R
.
D
.
-
R
.
R
ig
hi
,
a
nd
K
.
S
.
F
.
D
e
O
li
ve
ir
a
,
“
P
e
r
s
o
na
l
h
e
a
lt
h
r
e
c
or
ds
:
a
s
y
s
t
e
ma
ti
c
l
it
e
r
a
tu
r
e
r
e
v
i
e
w
,”
J
our
nal
of
M
e
di
c
al
I
nt
e
r
ne
t
R
e
s
e
a
r
c
h
, v
o
l.
19, n
o
. 1, p.
e
13, J
a
n. 2017, do
i:
10.2196/j
mi
r
.5876.
[
24]
M
.
B
a
nd
H
.
C
.,
“
P
o
l
y
n
omi
a
l
c
o
m
mi
tm
e
nt
-
ba
s
e
d
z
e
r
o
-
kn
o
w
l
e
dg
e
pr
oof
s
c
he
m
e
s
,”
A
I
J
R
P
r
e
pr
in
ts
,
2022,
do
i:
10.21467/p
r
e
p
r
in
ts
.384.
[
25]
Y
.
L
iu
,
D
.
H
e
,
M
.
S
.
O
ba
id
a
t,
N
.
K
uma
r
,
M
.
K
.
K
ha
n,
a
nd
K
.
-
K
.
R
.
C
hoo
,
“
B
l
oc
k
c
ha
in
-
ba
s
e
d
id
e
nt
it
y
ma
na
ge
m
e
nt
s
y
s
te
m
s
:
a
r
e
v
i
e
w
,”
J
our
nal
of
N
e
tw
or
k
and
C
om
put
e
r
A
ppl
ic
at
io
ns
,
vo
l.
166,
p.
102731,
S
e
p.
2020,
do
i:
10.1016/j
.
jn
c
a
.2020.102731.
B
I
OG
RA
P
HI
E
S
OF
AU
T
HO
RS
P
ra
v
een
a
Bo
l
l
y
J
o
s
h
i
a
r
e
s
e
ar
c
h
s
ch
o
l
ar
at
SRM
I
ST
C
h
e
n
n
ai
,
s
h
e
h
o
l
d
s
an
M.
T
ec
h
.
i
n
C
o
m
p
u
t
e
r
S
c
i
en
ce
a
n
d
E
n
g
i
n
ee
ri
n
g
fro
m
J
N
T
U
an
d
h
as
2
0
y
e
ars
o
f
t
e
a
ch
i
n
g
e
x
p
e
ri
en
ce
.
W
i
t
h
ap
p
ro
x
i
m
at
e
l
y
1
5
p
ap
e
rs
p
u
b
l
i
s
h
ed
i
n
i
n
t
e
r
n
at
i
o
n
al
j
o
u
r
n
al
s
an
d
c
o
n
f
e
r
e
n
ce
s
,
h
e
r
r
e
s
e
ar
ch
i
n
t
e
r
e
s
t
s
l
i
e
i
n
n
e
t
w
o
rk
s
ec
u
r
i
t
y
an
d
b
l
o
ck
c
h
a
i
n
t
ec
h
n
o
l
o
g
y
.
A
d
d
i
t
i
o
n
al
l
y
,
s
h
e
i
s
a
mem
b
e
r
o
f
IE
E
E
an
d
I
ST
E
.
Sh
e
c
an
b
e
co
n
t
a
c
t
ed
at
em
a
i
l
:
p
b
2
1
0
2
@
s
rm
i
s
t
.
e
d
u
.
i
n
.
D
r
A
ri
v
a
zh
a
g
a
n
N
a
tes
a
n
i
s
as
s
o
c
i
at
e
p
ro
f
e
s
s
o
r
i
n
t
h
e
D
e
p
art
me
n
t
o
f
Co
m
p
u
t
at
i
o
n
al
In
t
el
l
i
g
en
ce
,
Fa
c
u
l
t
y
o
f
E
n
g
i
n
ee
ri
n
g
an
d
T
ech
n
o
l
o
g
y
,
K
at
t
an
k
u
l
at
h
u
r
–
Ch
en
n
a
i
,
T
a
m
i
l
N
a
d
u
.
Ph
.
D
.
,
i
n
Mach
i
n
e
L
e
ar
n
i
n
g
-
C
o
m
p
u
t
e
r
S
ci
en
ce
i
n
2
0
2
0
fro
m
SRM
I
n
s
t
i
t
u
t
e
o
f
S
ci
e
n
ce
a
n
d
T
ech
n
o
l
o
g
y
,
K
at
t
an
k
u
l
at
h
u
r
T
am
i
l
n
ad
u
.
H
e
h
as
d
o
n
e
h
i
s
M.
S,
i
n
S
y
s
t
em
s
an
d
I
n
f
o
r
m
at
i
o
n
fro
m
Bi
r
l
a
I
n
s
t
i
t
u
t
e
o
f
T
ec
h
n
o
l
o
g
y
,
P
i
l
a
n
i
,
i
n
t
h
e
y
ear
1
9
9
5
.
D
r
N
A
ri
v
az
h
ag
a
n
h
as
3
4
y
e
ars
o
f
t
e
a
c
h
i
n
g
e
x
p
e
ri
en
c
e
a
n
d
h
as
2
0
p
u
b
l
i
c
at
i
o
n
s
i
n
I
n
t
e
rn
at
i
o
n
a
l
J
o
u
rn
al
s
a
n
d
C
o
n
f
e
r
en
ce
s
.
H
i
s
re
s
e
ar
c
h
i
n
t
e
r
e
s
t
s
i
n
c
l
u
d
e
m
a
ch
i
n
e
l
e
ar
n
i
n
g
a
n
d
me
d
i
c
al
i
m
ag
e
p
ro
ce
s
s
i
n
g
.
H
e
i
s
an
a
c
t
i
v
e
mem
b
e
r
o
f
A
C
M,
I
I
ST
E
,
an
d
IE
A
N
G
.
H
e
c
an
b
e
c
o
n
t
ac
t
e
d
at
em
ai
l
:
ari
v
azh
n
@
s
r
m
i
s
t
.
ed
u
.
i
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.