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I
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Vo
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15
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No
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2
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Ap
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20
25
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2
4
4
5
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2
4
5
4
2446
T
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e
f
in
e
-
g
r
ain
e
d
p
er
m
is
s
io
n
s
d
ep
en
d
in
g
o
n
p
atien
t
tr
aits
an
d
co
n
tex
t.
T
h
is
aim
in
clu
d
es
co
m
p
ly
in
g
wit
h
h
ea
lth
in
s
u
r
an
ce
p
o
r
tab
ilit
y
an
d
ac
co
u
n
tab
ilit
y
ac
t
(
HI
PAA)
an
d
im
p
lem
e
n
tin
g
s
af
e
cr
y
p
t
o
g
r
a
p
h
ic
k
e
y
is
s
u
an
ce
,
r
ev
o
ca
tio
n
,
a
n
d
m
a
n
ag
em
en
t p
o
licies.
AB
E
'
s
ca
p
ab
ilit
ies
s
h
o
u
ld
b
e
u
s
ed
t
o
co
n
s
tr
u
ct
a
s
ec
u
r
e
an
d
ef
f
icien
t
clo
u
d
-
b
as
ed
p
atien
t
m
an
ag
em
en
t
s
y
s
tem
.
T
h
is
s
y
s
tem
r
estricts
s
en
s
itiv
e
p
atien
t
d
ata
to
au
th
o
r
ized
p
e
r
s
o
n
s
with
v
alid
cr
e
d
en
tials
to
p
r
o
tect
d
ata
p
r
iv
ac
y
.
I
t
aim
s
to
in
teg
r
ate
with
h
ea
lth
ca
r
e
s
y
s
tem
s
an
d
p
r
o
ce
s
s
es
with
o
u
t
d
is
r
u
p
tin
g
o
p
er
atio
n
s
.
E
s
tab
lis
h
in
g
co
n
tin
u
o
u
s
m
o
n
ito
r
i
n
g
t
o
id
e
n
tify
an
d
r
ea
ct
to
u
n
au
t
h
o
r
ized
ac
c
ess
attem
p
ts
q
u
ick
ly
is
also
im
p
o
r
tan
t.
T
o
ac
h
ie
v
e
t
h
is
g
o
al,
h
ea
lth
c
ar
e
p
r
o
v
i
d
er
s
m
u
s
t
r
ec
eiv
e
co
m
p
r
e
h
en
s
iv
e
tr
ain
in
g
an
d
to
o
ls
to
m
an
ag
e
p
atien
t
d
ata
with
in
th
e
AB
E
f
r
am
ewo
r
k
,
an
d
co
s
t
-
ef
f
ec
tiv
e
s
tr
ateg
ies
th
at
u
s
e
clo
u
d
r
eso
u
r
ce
s
an
d
o
p
en
-
s
o
u
r
ce
s
o
lu
tio
n
s
to
o
p
ti
m
ize
im
p
lem
en
tatio
n
a
n
d
m
ai
n
ten
an
ce
co
s
ts
ar
e
ess
en
tial
[
4
]
.
AB
E
d
ep
lo
y
m
en
t
o
f
a
clo
u
d
-
b
ased
p
atien
t
m
an
a
g
em
en
t
s
y
s
tem
in
clu
d
es
d
ev
elo
p
m
en
t,
i
n
s
tallatio
n
,
an
d
ass
ess
m
en
t.
T
h
is
co
m
p
r
is
es
s
y
s
tem
ar
ch
itectu
r
e
an
d
AB
E
in
teg
r
atio
n
with
cu
r
r
en
t
in
f
r
astru
ctu
r
e
.
C
o
n
tr
o
llin
g
h
o
w
ac
ce
s
s
co
n
tr
o
l
r
u
les
ar
e
g
en
er
ated
,
m
ain
tain
ed
,
an
d
d
y
n
am
ically
u
p
d
ated
d
ep
en
d
in
g
o
n
p
atien
t c
h
ar
ac
ter
is
tics
i
s
cr
itic
al.
Op
tim
izin
g
en
cr
y
p
tio
n
a
n
d
d
ec
r
y
p
tio
n
to
r
ed
u
ce
laten
cy
a
n
d
p
r
eser
v
e
s
y
s
tem
r
esp
o
n
s
iv
en
ess
is
an
o
th
e
r
p
r
i
o
r
ity
.
T
h
e
s
co
p
e
in
cl
u
d
es
em
b
ed
d
in
g
co
m
p
lian
ce
m
ea
s
u
r
e
s
in
th
e
en
cr
y
p
tio
n
f
r
am
ewo
r
k
t
o
f
u
lf
il
all
ap
p
lica
b
le
h
ea
lth
ca
r
e
leg
is
latio
n
an
d
estab
lis
h
in
g
tr
ain
in
g
p
r
o
g
r
am
s
an
d
s
u
p
p
o
r
t
to
o
ls
to
h
elp
h
ea
lth
ca
r
e
p
r
o
f
ess
io
n
als ad
ju
s
t to
th
e
n
ew
s
y
s
tem
[
5
]
.
AB
E
in
a
cl
o
u
d
-
b
ased
p
atien
t
m
an
ag
em
en
t
s
y
s
tem
s
o
lv
es
s
ec
u
r
ity
is
s
u
es
b
y
u
s
in
g
th
is
e
n
cr
y
p
tio
n
tech
n
o
lo
g
y
cr
ea
tiv
ely
.
T
h
is
wo
r
k
allo
ws
r
ea
l
-
tim
e
ac
ce
s
s
co
n
tr
o
l
p
o
licy
ad
ju
s
tm
en
ts
,
im
p
r
o
v
i
n
g
s
y
s
tem
f
lex
ib
ilit
y
an
d
r
esp
o
n
s
iv
en
ess
.
C
r
ea
tin
g
an
e
n
cr
y
p
tio
n
s
y
s
tem
th
at
h
an
d
les
m
ass
iv
e
d
atasets
an
d
m
an
y
ac
ce
s
s
r
eq
u
ests
is
cr
u
cial.
Fin
e
-
g
r
ain
ed
ac
ce
s
s
r
estrictio
n
s
th
at
ac
co
u
n
t
p
atien
t
tr
aits
an
d
co
n
tex
t
in
cr
ea
s
e
d
ata
s
ec
u
r
ity
.
I
n
teg
r
atin
g
r
eg
u
lato
r
y
co
m
p
lian
ce
with
en
c
r
y
p
tio
n
en
ab
les
h
ea
lth
ca
r
e
d
ata
p
r
o
t
ec
tio
n
co
m
p
lian
ce
.
Secu
r
ity
an
d
ef
f
icien
c
y
in
cr
y
p
to
g
r
ap
h
ic
k
ey
an
d
p
atie
n
t
attr
ib
u
te
m
an
ag
em
e
n
t
lo
wer
th
e
d
a
n
g
er
o
f
u
n
au
th
o
r
ized
ac
ce
s
s
.
T
h
ese
ar
ea
s
ar
e
ad
d
r
ess
ed
to
im
p
r
o
v
e
clo
u
d
-
b
ased
p
atien
t
m
a
n
ag
em
en
t
s
y
s
tem
s
ec
u
r
ity
,
ef
f
icien
cy
,
an
d
d
e
p
en
d
a
b
ilit
y
,
im
p
r
o
v
i
n
g
h
ea
lth
ca
r
e
d
ata
m
an
ag
em
en
t
a
n
d
p
atien
t
ca
r
e
r
esu
lts
.
Sectio
n
2
in
tr
o
d
u
ce
s
th
e
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
alg
o
r
ith
m
,
wh
ile
s
ec
tio
n
3
d
is
cu
s
s
es
its
s
ig
n
if
ican
ce
to
cl
o
u
d
-
b
ased
p
atien
t
m
an
ag
em
en
t
s
y
s
t
em
.
Sectio
n
4
d
escr
ib
es
clo
u
d
-
b
as
ed
p
atien
t
m
an
ag
em
e
n
t
s
y
s
te
m
r
esu
lts
.
Sectio
n
5
en
d
s
with
co
n
clu
s
io
n
.
2.
L
I
T
E
R
AT
U
RE
SU
RVE
Y
Hea
lth
ca
r
e
d
ata
p
r
iv
ac
y
p
r
o
b
lem
s
ar
e
o
f
ten
ad
d
r
ess
ed
u
s
in
g
AB
E
.
AB
E
p
r
o
v
id
es
p
r
iv
ac
y
an
d
s
ec
u
r
ity
with
f
in
e
-
g
r
ain
e
d
a
cc
ess
co
n
tr
o
l
an
d
in
te
g
r
ity
p
r
o
tectio
n
.
AB
E
f
ea
tu
r
es
s
tr
u
ctu
r
al
ef
f
icien
cy
,
in
clu
d
in
g
f
aster
k
ey
g
en
e
r
atio
n
,
co
m
p
u
tatio
n
tim
e,
f
ewe
r
k
ey
p
air
s
,
a
n
d
c
o
llis
io
n
r
esis
tan
ce
[
6
]
.
Me
d
ical
p
r
ac
titi
o
n
er
s
an
d
p
atien
ts
u
s
e
m
ed
ical
s
o
cial
n
etwo
r
k
s
.
I
t
m
i
x
es
m
ed
ical
i
n
f
o
r
m
atio
n
an
d
s
o
cial
in
ter
ac
tio
n
t
o
m
ak
e
m
e
d
ical
s
er
v
ices
an
d
h
ea
lth
m
an
ag
em
en
t
ea
s
ier
an
d
m
o
r
e
p
er
s
o
n
alize
d
.
B
esid
es
in
f
o
r
m
atio
n
s
h
ar
i
n
g
,
m
ed
ical
s
o
cial
n
etwo
r
k
s
m
ay
in
cr
ea
s
e
d
o
cto
r
-
p
atien
t
en
g
ag
em
en
t
an
d
g
iv
e
p
er
s
o
n
alize
d
m
ed
ical
ad
v
ice
[
7
]
.
A
co
m
p
u
tatio
n
ally
c
o
m
p
r
eh
en
s
iv
e
h
y
b
r
id
-
b
ased
h
ea
lth
ca
r
e
s
y
s
tem
ar
ch
itectu
r
e
b
ased
o
n
attr
ib
u
te
en
c
r
y
p
tio
n
is
o
f
f
er
ed
f
o
r
s
ca
lab
le,
co
s
t
-
ef
f
ec
tiv
e
p
atien
t
ac
ce
s
s
to
p
er
s
o
n
al,
h
ea
lth
,
an
d
m
ed
ical
d
ata.
Up
d
ated
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
im
p
r
o
v
es
ac
ce
s
s
co
n
tr
o
l.
Hea
lth
ca
r
e
d
ata
p
r
o
tectio
n
r
e
q
u
ir
es
s
af
e,
d
ep
e
n
d
ab
le
d
ata
ex
ch
an
g
e
[
8
]
.
E
ac
h
u
s
er
r
e
ce
iv
es
a
p
r
iv
ate
k
ey
th
at
m
atch
es
an
ac
ce
s
s
p
o
licy
,
an
d
ev
er
y
en
cr
y
p
ted
co
m
m
u
n
icatio
n
is
co
n
n
ec
ted
to
ch
ar
ac
ter
is
tics
in
k
ey
p
o
li
cy
attr
ib
u
te
-
b
ased
e
n
cr
y
p
tio
n
(
KP
-
AB
E
)
.
I
t
lets
u
s
er
s
d
ec
o
d
e
ju
s
t
cip
h
er
tex
t
t
h
at
f
its
th
eir
p
r
iv
ate
k
ey
ac
c
ess
p
o
licy
.
T
h
e
cip
h
er
tex
t
-
p
o
licy
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
CP
-
AB
E
)
tech
n
iq
u
e
lin
k
s
a
u
s
er
'
s
p
r
iv
ate
k
ey
to
ch
ar
ac
ter
is
tics
,
an
d
ea
ch
e
n
cr
y
p
te
d
co
m
m
u
n
icatio
n
h
as a
n
ac
ce
s
s
s
tr
u
ctu
r
e
d
ep
e
n
d
in
g
o
n
s
p
ec
if
i
ed
attr
ib
u
tes
[
9
]
.
Ma
n
y
cl
o
u
d
-
b
as
e
d
a
ttr
i
b
u
te
-
c
o
n
t
r
o
lle
d
el
ec
t
r
o
n
ic
h
ea
l
th
r
ec
o
r
d
(
E
HR
)
s
y
s
te
m
s
h
av
e
b
e
en
d
e
v
e
lo
p
ed
;
h
o
we
v
e
r
,
m
o
s
t
s
t
r
u
g
g
l
e
wi
th
d
at
a
e
x
p
a
n
s
i
o
n
a
n
d
h
ete
r
o
g
e
n
e
o
u
s
d
ata
.
T
h
ese
s
y
s
te
m
s
s
t
o
r
e
p
ati
e
n
t
d
at
a
i
n
r
el
ati
o
n
al
d
a
ta
b
as
es
o
r
k
n
o
wl
e
d
g
e
g
r
a
p
h
s
a
n
d
f
l
at
f
iles
wi
th
d
e
f
i
n
e
d
s
t
r
u
ct
u
r
e,
w
h
i
c
h
ca
u
s
e
s
is
s
u
es
[
1
0
]
.
O
p
e
n
k
e
y
e
n
c
r
y
p
ti
o
n
al
g
o
r
i
th
m
AB
E
u
s
es
a
cl
ie
n
t
-
s
i
d
e
s
e
cr
et
k
e
y
a
n
d
ch
a
r
ac
te
r
is
t
ics
t
o
e
n
c
o
d
e
th
e
ci
p
h
e
r
te
x
t
.
I
n
AB
E
,
n
u
m
e
r
i
ca
l
ch
a
r
ac
te
r
is
t
ic
s
we
r
e
u
s
ed
i
n
c
ip
h
e
r
t
e
x
t
t
o
s
e
n
d
th
e
m
ess
a
g
e
.
T
h
e
p
u
b
lic
-
k
e
y
wil
l
b
e
s
a
v
e
d
as
a
s
tr
i
n
g
f
o
r
l
en
g
t
h
ca
l
c
u
la
ti
o
n
a
f
ter
e
n
c
r
y
p
ti
o
n
.
D
ec
o
d
i
n
g
in
cl
u
d
e
d
a
r
r
a
n
g
in
g
c
h
a
r
ac
te
r
is
t
ics
wit
h
t
h
e
ci
p
h
e
r
te
x
t
an
d
p
r
i
v
ate
k
e
y
[
1
1
]
.
AB
E
l
ets
u
s
er
s
ch
o
o
s
e
t
o
d
e
cr
y
p
t
d
at
a
b
ase
d
o
n
p
r
o
p
er
ties
an
d
r
e
g
u
lat
io
n
s
.
AB
E
g
e
n
e
r
a
liz
es
p
u
b
l
ic
k
e
y
e
n
cr
y
p
t
io
n
f
o
r
g
r
an
u
l
a
r
d
ata
m
an
ag
e
m
e
n
t
.
W
it
h
AB
E
,
l
o
g
s
m
ay
b
e
e
n
cr
y
p
te
d
.
AB
E
,
a
p
u
b
lic
k
e
y
c
r
y
p
t
o
g
r
a
p
h
y
s
c
h
e
m
e
,
all
o
ws
s
a
f
e
d
a
ta
e
x
c
h
a
n
g
e
b
etw
ee
n
n
u
m
e
r
o
u
s
u
s
e
r
s
[
1
2
]
.
Pat
ie
n
t
p
r
i
v
ac
y
a
n
d
m
e
d
ic
al
d
at
a
i
n
t
e
r
c
h
a
n
g
e
m
ay
b
e
p
r
o
te
cte
d
u
s
in
g
p
r
o
x
y
r
e
e
n
c
r
y
p
ti
o
n
,
AB
E
,
an
d
cl
ass
i
c
e
n
c
r
y
p
ti
o
n
m
et
h
o
d
s
.
An
e
f
f
ec
t
iv
e
s
et
u
p
an
d
s
h
a
r
i
n
g
a
p
p
r
o
a
c
h
w
it
h
AB
E
m
a
y
a
d
d
r
ess
t
h
e
p
r
iv
at
e
d
a
ta
s
h
ar
in
g
p
r
o
b
le
m
[
1
3
]
.
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:
2088
-
8
7
0
8
A
s
ec
u
r
e
a
n
d
clo
u
d
-
b
a
s
ed
p
a
t
ien
t m
a
n
a
g
eme
n
t
s
ystem
u
s
in
g
a
ttr
ib
u
te
-
b
a
s
ed
…
(
S
en
th
ilku
ma
r
K
a
la
r
a
n
i
)
2447
Usi
n
g
cip
h
er
tex
t
-
p
o
licy
attr
i
b
u
te
-
b
ased
en
c
r
y
p
tio
n
,
attr
ib
u
te
-
b
ased
m
u
lti
-
k
e
y
wo
r
d
s
ea
r
ch
allo
ws
f
in
e
-
g
r
ain
e
d
ac
ce
s
s
co
n
tr
o
l
a
n
d
m
u
lti
-
k
ey
wo
r
d
s
ea
r
ch
.
F
o
r
m
al
s
ec
u
r
ity
s
tu
d
ies
s
h
o
w
th
e
r
ec
o
m
m
en
d
e
d
m
eth
o
d
is
s
ec
u
r
e
ag
ain
s
t
ch
o
s
en
-
k
ey
w
o
r
d
attac
k
s
[
1
4
]
.
T
h
is
s
o
lu
tio
n
p
r
o
tects
C
P
-
AB
E
's
s
ec
u
r
ity
ch
ar
ac
ter
is
tics
,
ac
co
r
d
in
g
to
e
x
ten
s
iv
e
test
in
g
.
E
ac
h
p
r
o
p
e
r
ty
is
ev
alu
ated
an
d
ass
ig
n
ed
a
weig
h
t
b
ef
o
r
e
s
af
e
clo
u
d
s
h
ar
i
n
g
.
T
h
e
q
u
alities
o
f
th
is
tech
n
o
lo
g
y
m
a
k
e
it
m
o
r
e
ef
f
icien
t
a
n
d
s
u
cc
ess
f
u
l
th
an
o
th
er
clo
u
d
-
b
ased
d
ata
s
h
ar
in
g
o
p
tio
n
s
[
1
5
]
.
T
h
e
p
r
o
p
o
s
ed
s
af
e
clo
u
d
ac
ce
s
s
m
eth
o
d
u
s
es
q
u
an
t
u
m
k
ey
d
is
tr
ib
u
tio
n
(
QKD)
an
d
attr
ib
u
te
-
b
ased
cr
y
p
to
g
r
ap
h
y
(
AB
C
)
to
in
cr
ea
s
e
clo
u
d
d
ata
s
ec
u
r
ity
.
QKD
was
u
s
ed
wit
h
AB
C
to
p
r
o
tect
AB
C
ag
ain
s
t
q
u
an
tu
m
co
m
p
u
tin
g
attac
k
s
.
AB
C
co
n
tr
o
ls
ac
ce
s
s
an
d
s
ec
r
ec
y
b
u
t
is
s
u
s
ce
p
tib
le
to
q
u
an
tu
m
attac
k
s
s
in
ce
it
u
s
es
cla
s
s
ical
cr
y
p
to
g
r
ap
h
y
[
1
6
]
.
Me
d
ical
s
taf
f
attr
ib
u
te
m
an
ag
em
e
n
t
is
cr
u
cial
f
o
r
s
y
s
tem
s
ec
u
r
ity
an
d
f
lex
ib
ilit
y
.
T
h
e
s
y
s
tem
m
u
s
t
p
r
o
v
id
e
r
ea
l
-
tim
e
attr
ib
u
te
r
ev
o
ca
tio
n
s
o
m
e
d
ical
s
taf
f
wh
o
n
o
lo
n
g
er
f
u
lf
il
ac
ce
s
s
co
n
tr
o
l
c
an
n
o
t
ac
ce
s
s
th
e
o
r
ig
in
al
E
H
R
.
T
wo
ty
p
es
o
f
C
P
-
AB
E
attr
ib
u
te
r
ev
o
ca
tio
n
tech
n
iq
u
es e
x
is
t: d
ir
ec
t a
n
d
in
d
ir
ec
t
[
1
7
]
.
AC
-
AC
co
m
b
in
es
d
y
n
am
ic
i
n
d
ex
-
b
ased
s
y
m
m
etr
ic
s
ea
r
ch
ab
le
en
cr
y
p
tio
n
with
cip
h
er
t
ex
t
-
p
o
licy
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
.
B
a
s
ed
o
n
th
e
Mic
r
o
SC
OPE
p
r
o
to
co
l,
th
e
n
ew
p
r
o
t
o
co
l
u
s
es
s
c
o
p
e
v
alu
es
to
g
r
an
t
an
d
r
ev
o
k
e
ac
ce
s
s
p
er
m
is
s
i
o
n
s
f
o
r
ac
u
te
ca
r
e
p
r
ac
titi
o
n
er
s
[
1
8
]
.
Qu
a
n
tu
m
h
ash
-
b
a
s
ed
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
QHABE)
ad
d
r
es
s
es
an
d
o
v
er
co
m
es
p
ast
s
h
o
r
tco
m
in
g
s
.
Secr
et
d
ata
m
ay
b
e
en
cr
y
p
ted
u
s
in
g
cr
y
p
to
g
r
ap
h
ic
tech
n
o
l
o
g
ies
t
h
at
p
r
o
v
id
e
f
lex
ib
le
ac
ce
s
s
co
n
tr
o
l.
AB
E
a
p
p
r
o
ac
h
es,
i
n
clu
d
in
g
ex
ten
d
ed
attr
ib
u
te
-
b
ased
en
c
r
y
p
tio
n
,
p
r
o
tect
clo
u
d
s
er
v
e
r
d
ata
an
d
e
n
ab
le
en
cr
y
p
ted
d
ata
s
ea
r
ch
e
s
[
1
9
]
.
A
C
P
-
AB
E
s
y
s
tem
was
s
u
g
g
ested
to
s
ec
u
r
e,
d
is
s
em
in
ate,
an
d
co
n
tr
o
l
in
f
o
r
m
atio
n
.
Du
e
to
co
m
m
o
n
f
ac
ilit
ies,
m
is
co
n
f
ig
u
r
atio
n
s
ex
p
o
s
ed
a
ll
clien
t
d
ata
in
th
e
clo
u
d
.
C
y
b
er
attac
k
-
r
esis
tan
t
lo
u
d
-
co
m
p
u
tin
g
s
ec
u
r
ity
ar
ch
itectu
r
e
is
d
if
f
icu
lt
[
2
0
]
.
T
h
is
is
ad
d
r
ess
ed
b
y
AB
E
's
f
in
e
-
g
r
ain
e
d
ac
ce
s
s
co
n
tr
o
l
m
ec
h
an
is
m
s
.
I
d
en
tity
-
b
ased
en
cr
y
p
tio
n
(
I
B
E
)
tech
n
i
q
u
es,
s
u
ch
as
f
u
zz
y
id
en
tity
b
i
n
ar
y
en
c
r
y
p
tio
n
(
FIBE)
,
p
r
ec
e
d
ed
AB
E
[
2
1
]
.
I
n
r
ec
en
t
y
ea
r
s
,
ac
ad
em
ics
h
a
v
e
ap
p
r
o
v
ed
attr
i
b
u
te
-
b
ased
h
o
n
ey
en
c
r
y
p
tio
n
(
AB
HE
)
f
o
r
i
ts
ca
p
ac
ity
to
p
r
o
tect
a
g
ain
s
t
attac
k
er
s
.
T
h
ese
d
ec
o
y
c
y
p
h
e
r
m
ess
ag
e
s
d
ir
ec
t
attac
k
er
s
to
a
d
if
f
er
e
n
t
p
lain
tex
t,
g
i
v
in
g
ex
tr
a
s
ec
u
r
ity
.
Data
m
ay
b
e
e
n
cr
y
p
ted
with
ch
a
r
ac
ter
is
tics
l
ik
e
a
p
er
s
o
n
o
r
g
r
o
u
p
th
at
s
h
o
u
ld
h
av
e
ac
ce
s
s
v
ia
AB
HE
.
T
h
is
at
tr
ib
u
te
-
b
ased
h
o
n
ey
en
cr
y
p
tio
n
ap
p
r
o
ac
h
allo
ws
f
in
e
-
g
r
ain
ed
clo
u
d
d
ata
a
cc
ess
[
2
2
]
.
Fu
r
th
er
s
tu
d
y
is
n
ee
d
e
d
o
n
u
s
er
au
t
h
en
ticatio
n
.
T
o
o
f
f
er
o
p
tim
u
m
telem
ed
icin
e
tr
ea
tm
e
n
t,
p
atien
ts
,
h
ea
lth
ca
r
e
p
r
o
f
ess
io
n
als,
an
d
ad
m
in
is
tr
ativ
e
p
er
s
o
n
n
el
n
ee
d
p
atien
t
d
at
a.
On
ly
au
th
o
r
ized
wo
r
k
er
s
s
h
o
u
ld
ac
ce
s
s
p
atien
t
d
ata
to
p
r
o
tect
p
r
iv
ac
y
an
d
s
e
cu
r
ity
[
2
3
]
.
User
s
with
th
e
r
ig
h
t
attr
ib
u
tes
m
a
y
d
ec
o
d
e
th
e
c
ip
h
er
tex
t
to
ac
ce
s
s
th
e
elec
tr
o
n
ic
m
ed
ical
r
ec
o
r
d
s
(
E
MR)
.
C
lo
u
d
-
b
ased
E
MR
s
y
s
tem
s
im
p
r
o
v
e
d
ata
s
ec
u
r
ity
an
d
e
n
ab
le
g
en
u
in
e
u
s
er
s
to
ac
ce
s
s
d
ata
f
r
o
m
an
y
wh
er
e,
p
r
ev
en
tin
g
d
ata
ab
u
s
e
[
2
4
]
.
C
r
y
p
to
g
r
ap
h
y
is
a
wa
y
to
alter
im
p
o
r
tan
t
in
f
o
r
m
atio
n
in
to
s
o
m
eth
in
g
u
s
eless
an
d
th
en
b
ac
k
ag
ain
u
s
in
g
th
e
s
am
e
k
ey
.
E
x
am
p
le
s
o
f
m
u
lti
-
m
eth
o
d
en
cr
y
p
tio
n
an
d
d
ec
r
y
p
tio
n
in
clu
d
e
s
y
m
m
etr
ic
-
en
c
r
y
p
tio
n
(
SE)
,
asy
m
m
etr
ic
-
en
cr
y
p
tio
n
(
AE
)
,
an
d
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
AB
E
)
[
2
5
]
.
E
HR
d
ata
m
ay
b
e
s
af
ely
s
h
ar
ed
in
th
e
p
u
b
lic
clo
u
d
u
s
in
g
r
ev
o
ca
b
le
-
s
to
r
a
g
e
h
ier
a
r
ch
ical
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
R
S
-
HABE
)
an
d
p
er
m
is
s
io
n
ar
ch
itectu
r
e
.
T
h
e
s
u
g
g
ested
m
eth
o
d
s
o
lv
es
u
s
er
r
ev
o
ca
tio
n
,
k
ey
s
tr
o
k
e
d
eleg
atio
n
,
an
d
cip
h
er
tex
t
u
p
d
ate
s
ec
u
r
it
y
is
s
u
es.
Gu
o
et
a
l.
[
2
6
]
d
e
v
elo
p
ed
th
e
R
S
-
HABE
tech
n
iq
u
e
to
p
r
o
v
i
d
e
ad
v
an
c
e
an
d
r
ev
er
s
e
s
ec
u
r
ity
o
f
e
n
co
d
ed
E
HR
d
ata
an
d
let
clie
n
ts
to
b
u
ild
u
n
iq
u
e
p
r
iv
ate
k
ey
s
f
o
r
th
eir
ch
ild
r
en
.
Patien
t
-
d
ir
ec
ted
attr
ib
u
te
-
b
ased
ac
ce
s
s
an
d
en
cr
y
p
tio
n
p
r
o
v
id
e
s
elec
tiv
e
d
is
clo
s
u
r
e
o
f
r
eq
u
ir
ed
d
ata
f
iel
d
s
.
I
n
ter
o
p
er
ab
ilit
y
an
d
s
ec
r
ec
y
m
ay
b
e
ac
co
m
p
lis
h
ed
u
s
in
g
p
r
iv
ac
y
-
e
n
h
an
ci
n
g
tech
n
o
lo
g
y
.
Acc
ess
co
n
tr
o
ls
m
ay
lim
it
d
ata
ac
ce
s
s
to
au
th
o
r
ized
u
s
er
s
u
s
in
g
r
o
le
-
b
ased
,
attr
ib
u
te
-
b
ased
,
an
d
m
u
lti
-
f
ac
to
r
a
u
th
en
ticatio
n
[
2
7
]
.
T
h
e
in
p
u
t
tr
ain
i
n
g
s
et
p
r
o
p
er
ties
ar
e
u
s
ed
to
s
tatis
ticall
y
class
if
y
p
er
s
o
n
a
l
h
ea
lth
r
ec
o
r
d
s
(
PHR
s
)
.
T
h
e
au
th
o
r
ized
s
et
o
f
ch
ar
ac
ter
is
tics
r
elate
s
to
r
o
ws
an
d
co
lu
m
n
s
b
y
s
h
ar
in
g
th
e
cr
ea
ted
m
atr
ix
k
ey
lo
ca
lly
v
ia
cy
p
h
er
tex
t
ap
p
en
d
ed
b
y
clo
u
d
s
er
v
ice
p
r
o
v
id
e
r
s
.
Simp
le
B
ay
esian
n
etwo
r
k
s
r
eq
u
ir
e
c
o
n
d
itio
n
al
in
d
e
p
en
d
e
n
ce
am
o
n
g
class
ch
ar
ac
te
r
is
tics
,
wh
ich
is
u
n
w
o
r
k
a
b
le.
B
ay
esian
ca
teg
o
r
izatio
n
lo
s
es
in
f
o
r
m
atio
n
wh
en
d
o
m
ain
p
ar
titi
o
n
i
n
g
is
s
h
ar
p
.
I
n
h
ea
lth
ca
r
e
,
f
u
zz
y
lo
g
ic
f
u
zz
if
ier
s
h
ea
lth
ch
ar
ac
ter
is
tics
to
s
o
lv
e
th
is
p
r
o
b
lem
.
Sin
ce
h
ea
lth
ca
r
e
d
ata
is
h
u
g
e
d
ata,
s
p
ee
d
s
h
o
u
ld
b
e
co
n
s
id
er
e
d
[
2
8
]
.
Stro
n
g
ac
ce
s
s
c
o
n
tr
o
ls
r
eg
u
lat
e
h
ea
lth
ca
r
e
f
ile
ac
ce
s
s
.
Acc
ess
is
u
s
u
ally
co
n
tr
o
lled
b
y
r
o
le
s
,
p
er
m
is
s
io
n
s
,
an
d
attr
ib
u
tes
u
s
in
g
r
o
le
-
b
ased
a
cc
ess
co
n
tr
o
l
(
R
B
AC
)
an
d
attr
ib
u
te
-
b
ased
ac
ce
s
s
co
n
tr
o
l
(
AB
AC
)
.
T
h
ese
tech
n
iq
u
es
r
estrict
d
ata
ac
ce
s
s
an
d
m
an
ip
u
latio
n
to
au
th
o
r
ized
u
s
er
s
[
2
9
]
.
T
wo
p
r
iv
ate
an
d
m
u
tu
al
au
th
en
ticatio
n
p
r
o
ce
d
u
r
es
p
r
i
o
r
itize
p
r
iv
ac
y
with
a
th
r
ee
-
m
ess
ag
e
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
k
e
y
ex
ch
a
n
g
e
m
ec
h
an
is
m
an
d
a
o
n
e
-
r
o
u
n
d
p
r
o
to
co
l f
o
r
s
im
p
licity
an
d
s
p
ee
d
[
3
0
]
.
3.
M
E
T
H
O
D
3
.
1
.
Secure
denta
l r
ec
o
rds
wit
h a
t
t
ribute
-
ba
s
ed
encr
y
ptio
n f
o
r
clo
ud
pa
t
ient
m
a
na
g
e
m
ent
W
h
en
it
co
m
es
t
o
s
af
e
clo
u
d
-
b
ased
elec
tr
o
n
ic
d
e
n
tal
r
ec
o
r
d
s
an
d
s
o
p
h
is
ticated
e
n
cr
y
p
tio
n
,
AB
E
m
eth
o
d
s
ar
e
cr
u
cial
f
o
r
s
im
p
lifie
d
p
atien
t
ad
m
in
is
tr
atio
n
.
Mo
d
er
n
d
ig
ital
h
ea
lth
ca
r
e
r
e
q
u
ir
es
n
ew
way
s
to
p
r
o
tect
p
atien
t
d
ata.
T
h
e
d
e
n
tis
tr
y
in
d
u
s
tr
y
d
is
cu
s
s
es
in
t
eg
r
atin
g
AB
E
alg
o
r
ith
m
s
in
t
o
elec
tr
o
n
ic
r
ec
o
r
d
s
y
s
tem
s
to
im
p
r
o
v
e
p
atien
t
d
ata
p
r
o
tectio
n
an
d
ad
m
in
is
t
r
atio
n
.
T
h
is
f
r
am
ewo
r
k
u
s
es
AB
E
to
p
r
o
v
id
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
15
,
No
.
2
,
Ap
r
il
20
25
:
2
4
4
5
-
2
4
5
4
2448
attr
ib
u
te
-
b
ased
ac
ce
s
s
co
n
tr
o
l
f
o
r
g
r
an
u
lar
an
d
d
y
n
am
ic
d
a
ta
s
ec
u
r
ity
.
AB
E
an
d
s
ec
u
r
e
clo
u
d
tech
n
o
l
o
g
ies
im
p
r
o
v
e
d
ata
ac
ce
s
s
ib
ilit
y
an
d
c
o
n
f
id
e
n
tiality
f
o
r
au
t
h
o
r
ized
u
s
er
s
.
W
e
ex
p
lo
r
e
th
e
p
o
ten
tial
o
f
AB
E
alg
o
r
ith
m
s
to
im
p
r
o
v
e
elec
tr
o
n
ic
d
en
tal
r
ec
o
r
d
s
ec
u
r
ity
an
d
cr
ea
te
a
r
o
b
u
s
t
an
d
ef
f
icien
t
p
atien
t
m
an
ag
em
en
t
ec
o
s
y
s
tem
in
th
e
d
ig
ital e
r
a.
Ma
n
y
f
o
r
m
s
o
f
AB
E
en
cr
y
p
tio
n
s
ch
em
es
ar
e
s
h
o
wn
in
Fig
u
r
e
1
.
Fig
u
r
e
1
.
Dif
f
e
r
en
t ty
p
es o
f
A
B
E
s
ch
em
es
3
.
2
.
Secure
clo
ud
-
ba
s
ed
elec
t
ro
nic
denta
l
re
co
rds
wit
h
a
t
t
ribute
-
ba
s
ed
encr
y
ptio
n
a
lg
o
rit
hm
s
f
o
r
s
t
re
a
m
lin
ed
pa
t
ient
m
a
na
g
e
m
ent
Patien
t
p
r
iv
ac
y
is
cr
u
cial
in
elec
tr
o
n
ic
d
en
tal
r
ec
o
r
d
s
(
E
DR
s
)
.
T
h
is
ar
ticle
d
is
cu
s
s
e
s
h
o
w
AB
E
alg
o
r
ith
m
s
s
ec
u
r
e
cl
o
u
d
-
b
ased
E
DR
s
y
s
tem
s
.
AB
E
's
ad
v
an
c
ed
en
cr
y
p
tio
n
m
eth
o
d
p
e
r
m
its
ac
ce
s
s
to
s
en
s
itiv
e
p
atien
t
d
ata
d
ep
e
n
d
in
g
o
n
p
r
ed
eter
m
in
e
d
cr
iter
ia,
p
r
o
v
i
d
in
g
n
u
an
ce
d
d
ata
s
ec
u
r
ity
.
Den
tal
h
ea
lth
ca
r
e
p
r
o
v
id
e
r
s
m
ay
u
tili
ze
AB
E
alg
o
r
ith
m
s
to
s
et
f
in
e
-
g
r
ain
e
d
ac
ce
s
s
lim
its
b
ased
o
n
u
s
er
r
o
les
an
d
p
atie
n
t
in
f
o
r
m
atio
n
.
T
h
is
im
p
r
o
v
es
d
ata
p
r
iv
ac
y
a
n
d
f
ac
ilit
ates
p
atien
t
ad
m
in
is
tr
atio
n
,
ex
p
an
d
in
g
d
en
tal
p
r
ac
tice
ef
f
icien
cy
.
T
h
e
ess
ay
h
ig
h
lig
h
ts
h
o
w
AB
E
a
lg
o
r
ith
m
s
in
clo
u
d
-
b
ased
E
DR
s
y
s
tem
s
p
r
o
tect
p
atien
t
d
ata
an
d
p
r
o
v
id
e
a
s
ec
u
r
e
d
i
g
ital
h
ea
lth
ca
r
e
en
v
ir
o
n
m
en
t.
Data
g
en
er
ato
r
s
h
av
e
g
r
ea
ter
co
n
tr
o
l
wit
h
C
P
-
AB
E
s
y
s
tem
s
s
in
ce
ac
ce
s
s
p
er
m
is
s
io
n
is
ch
o
s
en
d
u
r
in
g
d
ata
en
cr
y
p
tio
n
.
Fig
u
r
e
2
s
h
o
w
KP
-
AB
E
.
T
h
ese
alg
o
r
ith
m
s
ar
e
u
s
ed
b
y
an
y
KP
-
AB
E
s
ch
em
e:
1
.
S
etu
p
(
Sec)
(
MK
,
P).
T
h
is
m
eth
o
d
p
r
o
d
u
ce
s
a
r
an
d
o
m
m
aster
k
ey
MK
an
d
p
u
b
lic
p
ar
am
eter
s
P,
in
itializes
th
e
s
ch
em
e
with
Sec
s
tr
en
g
th
,
a
n
d
r
etu
r
n
s
th
em
.
Fig
u
r
e
2
.
Sch
em
e
d
iag
r
a
m
o
f
KP
-
AB
E
3
.
3
.
I
nn
o
v
a
t
iv
e
a
t
t
ribute
-
ba
s
ed
encr
y
ptio
n
a
lg
o
rit
hm
s
im
pr
o
v
e
clo
ud
-
ba
s
ed
elec
t
ro
nic
denta
l
re
co
rd
s
ec
urit
y
T
h
e
g
r
o
win
g
d
ig
italizatio
n
o
f
h
ea
lth
ca
r
e
d
ata,
esp
ec
ially
E
D
R
s
,
r
eq
u
ir
es
s
tr
o
n
g
s
ec
u
r
ity
m
ea
s
u
r
es
to
s
ec
u
r
e
s
en
s
itiv
e
p
atien
t
d
ata.
C
lo
u
d
-
b
ased
d
en
tal
r
ec
o
r
d
s
ec
u
r
ity
an
d
co
n
f
id
en
tiality
ar
e
d
is
cu
s
s
ed
in
th
is
ar
ticle.
T
h
is
s
tu
d
y
tack
les
d
e
n
tal
p
atien
t
m
an
ag
em
en
t'
s
ch
an
g
in
g
en
v
ir
o
n
m
en
t
u
tili
zin
g
AB
E
tech
n
iq
u
es.
Acc
ess
m
an
ag
em
en
t
a
n
d
co
n
f
id
en
tiality
ar
e
s
im
p
lifie
d
b
y
A
B
E
alg
o
r
ith
m
s
f
o
r
d
y
n
am
ic
h
e
alth
ca
r
e
p
r
o
ce
s
s
es.
AB
E
in
E
DR
s
im
p
r
o
v
es
d
at
a
s
ec
u
r
ity
an
d
s
tr
ea
m
lin
es
u
s
er
ac
ce
s
s
co
n
tr
o
l,
en
a
b
lin
g
h
ea
lth
ca
r
e
p
r
o
v
id
er
co
o
p
er
atio
n
.
B
ey
o
n
d
s
af
e
d
ata
s
to
r
ag
e,
clo
u
d
-
b
ased
AB
E
m
a
k
es
d
en
tal
o
p
er
atio
n
s
m
o
r
e
ad
ap
tiv
e
an
d
s
ca
lab
le
f
o
r
p
atien
t d
ata
m
a
n
ag
em
en
t.
T
h
is
r
esear
ch
ex
am
in
es h
o
w
AB
E
alg
o
r
ith
m
s
m
ay
m
o
d
if
y
s
af
e
elec
tr
o
n
ic
d
en
tal
r
ec
o
r
d
f
r
a
m
ewo
r
k
s
.
Data
g
en
er
ato
r
s
h
av
e
g
r
ea
ter
co
n
tr
o
l
with
C
P
-
A
B
E
s
y
s
tem
s
,
s
in
ce
ac
ce
s
s
p
er
m
is
s
io
n
i
s
s
elec
ted
d
u
r
in
g
d
ata
en
cr
y
p
tio
n
.
B
o
th
C
P
-
AB
E
ar
e
in
Fig
u
r
e
3
.
T
h
ese
alg
o
r
ith
m
s
ar
e
u
s
e
d
b
y
an
y
KP
-
AB
E
s
ch
em
e:
1
.
(
MK
,
P)
=
Setu
p
(
Se
c)
.
T
h
is
m
et
h
o
d
p
r
o
d
u
ce
s
a
r
a
n
d
o
m
m
aster
k
e
y
MK
a
n
d
p
u
b
lic
p
ar
am
eter
s
P,
in
itializin
g
th
e
s
ch
em
e
with
Sec’
s
s
ec
u
r
ity
s
tr
en
g
th
an
d
r
etu
r
n
s
th
em
.
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:
2088
-
8
7
0
8
A
s
ec
u
r
e
a
n
d
clo
u
d
-
b
a
s
ed
p
a
t
ien
t m
a
n
a
g
eme
n
t
s
ystem
u
s
in
g
a
ttr
ib
u
te
-
b
a
s
ed
…
(
S
en
th
ilku
ma
r
K
a
la
r
a
n
i
)
2449
Fig
u
r
e
3
.
Diag
r
a
m
o
f
th
e
C
P
-
AB
E
s
ch
em
e
3
.
4
.
Co
m
pa
ra
t
iv
e
a
na
ly
s
is
o
f
a
t
t
r
ibu
t
e
-
ba
s
ed
encr
y
ptio
n a
lg
o
rit
hm
s
f
o
r
denta
l r
ec
o
rds
s
ec
urit
y
Pro
tectin
g
p
atien
t
d
ata
in
E
D
R
s
is
cr
u
cial.
T
h
is
p
ap
er
ex
a
m
in
es
s
af
e
clo
u
d
-
b
ased
E
DR
f
r
am
ewo
r
k
s
,
co
n
ce
n
tr
atin
g
o
n
AB
E
m
eth
o
d
s
.
Acc
ess
b
ased
o
n
ce
r
tai
n
q
u
alities
s
im
p
lifie
s
p
atien
t
ca
r
e
u
s
in
g
AB
E
,
r
ed
u
cin
g
d
ata
e
x
p
o
s
u
r
e
r
is
k
.
Dif
f
er
en
t
AB
E
alg
o
r
ith
m
s
a
f
f
ec
t
s
ec
u
r
e
E
DR
s
y
s
tem
ef
f
icien
cy
an
d
r
esil
ien
ce
in
th
is
co
m
p
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ativ
e
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tu
d
y
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er
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r
awb
ac
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s
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er
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o
r
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ce
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icato
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ch
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est
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o
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ith
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o
r
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u
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ce
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s
ib
ilit
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h
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k
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ten
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s
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im
p
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o
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ased
E
DR
p
r
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r
eliab
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ast
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g
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e
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atin
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AB
E
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o
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ith
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er
e
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ce
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Ad
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ess
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ese
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o
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lem
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tial
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o
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ef
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tiv
e
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E
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ep
lo
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en
t
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n
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ter
n
et
o
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t
h
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g
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o
T
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ettin
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s
.
Pro
p
e
r
d
esig
n
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d
ex
ec
u
tio
n
o
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E
m
ay
ef
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icien
tly
h
a
n
d
le
ac
ce
s
s
co
n
tr
o
l
an
d
im
p
r
o
v
e
d
ata
s
ec
u
r
ity
an
d
p
r
iv
ac
y
in
th
e
I
o
T
.
Fig
u
r
e
4
illu
s
tr
ates th
e
p
o
ten
tial a
n
d
o
b
s
tacle
s
o
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u
s
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g
AB
E
in
I
o
T
.
T
ab
le
1
s
h
o
w
t
h
at
k
ey
p
o
lic
y
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
KP
-
AB
E
)
,
cip
h
er
tex
t
-
p
o
licy
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
C
P
-
AB
E
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,
m
u
lti
-
au
th
o
r
ity
attr
ib
u
te
-
b
ased
en
cr
y
p
tio
n
(
MA
-
AB
E
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,
an
d
p
r
ed
icate
en
cr
y
p
tio
n
with
attr
ib
u
te
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b
ased
ac
ce
s
s
co
n
tr
o
l (
PE
-
AB
AC
)
p
r
o
tect
d
ata
d
if
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er
en
tly
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KP
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AB
E
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d
C
P
-
AB
E
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estrict
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ce
s
s
f
in
ely
,
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-
AB
E
co
n
tr
o
ls
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th
o
r
ities
well,
an
d
PE
-
AB
AC
is
v
er
s
atile.
T
h
ese
alg
o
r
ith
m
s
im
p
r
o
v
e
p
atien
t
m
an
ag
em
en
t
in
s
ec
u
r
e
clo
u
d
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ased
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tr
o
n
ic
d
en
tal
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e
co
r
d
s
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y
e
n
ab
lin
g
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s
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iz
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le
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ce
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n
tr
o
l,
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ilit
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d
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p
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ess
iv
e
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les.
Fig
u
r
e
4
.
AB
E
I
o
T
o
p
p
o
r
tu
n
ities
an
d
p
r
o
b
lem
s
T
ab
le
1
.
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u
te
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b
ased
en
cr
y
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tio
n
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o
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ith
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s
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o
r
s
tr
ea
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lin
ed
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atien
t m
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a
g
em
en
t in
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ec
u
r
e
clo
u
d
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b
ased
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tr
o
n
ic
d
en
tal
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ec
o
r
d
s
f
r
am
ewo
r
k
A
sp
e
c
t
R
o
l
e
B
e
n
e
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i
t
F
u
n
c
t
i
o
n
K
e
y
p
o
l
i
c
y
-
a
t
t
r
i
b
u
t
e
b
a
s
e
d
e
n
c
r
y
p
t
i
o
n
En
s
u
r
e
s
d
a
t
a
c
o
n
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i
d
e
n
t
i
a
l
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t
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P
r
o
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i
d
e
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n
e
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g
r
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i
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
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I
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t J E
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&
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m
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g
,
Vo
l.
15
,
No
.
2
,
Ap
r
il
20
25
:
2
4
4
5
-
2
4
5
4
2450
4.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
4
.
1
.
Secure
denta
l r
ec
o
rds
wit
h p
o
licy
a
t
t
ribute
-
ba
s
ed
encr
y
ptio
n in c
lo
ud
f
ra
m
ewo
r
k
s
Ma
in
tain
in
g
th
e
s
ec
u
r
ity
an
d
in
teg
r
ity
o
f
elec
tr
o
n
ic
d
e
n
tal
in
f
o
r
m
atio
n
is
cr
u
cial
i
n
m
o
d
er
n
h
ea
lth
ca
r
e
s
y
s
tem
s
.
T
h
is
d
is
cu
s
s
es
K
P
-
AB
E
an
d
h
o
w
it
im
p
r
o
v
es
clo
u
d
-
b
ased
elec
tr
o
n
ic
d
en
tal
r
ec
o
r
d
s
ec
u
r
ity
.
As
h
ea
lth
ca
r
e
o
r
g
an
i
za
tio
n
s
u
s
e
d
ig
ital
s
y
s
tem
s
f
o
r
p
atien
t
m
an
ag
em
e
n
t,
d
ata
ac
ce
s
s
m
u
s
t
b
e
f
ast
an
d
s
af
e.
T
h
e
r
e
v
o
lu
tio
n
ar
y
KP
-
AB
E
s
y
s
tem
allo
ws
attr
i
b
u
te
-
b
ased
ac
ce
s
s
co
n
tr
o
l
r
u
l
es
to
r
estrict
cr
itical
p
atien
t
d
ata
t
o
au
t
h
o
r
ized
u
s
e
r
s
with
s
p
ec
if
ied
c
r
ed
en
tials
.
T
h
is
p
ap
er
ex
am
in
es
attr
i
b
u
te
-
b
ased
en
c
r
y
p
tio
n
alg
o
r
ith
m
s
in
d
en
tal
r
ec
o
r
d
s
an
d
th
eir
e
f
f
ec
tiv
en
ess
in
p
r
o
tectin
g
p
atien
t
d
ata.
B
y
u
n
d
er
s
tan
d
i
n
g
th
is
en
cr
y
p
tio
n
p
ar
a
d
ig
m
,
th
e
d
e
n
tis
tr
y
s
ec
to
r
ca
n
cr
ea
te
a
s
ec
u
r
e
elec
tr
o
n
ic
r
ec
o
r
d
s
f
r
a
m
ewo
r
k
th
at
b
u
ild
s
co
n
f
id
en
ce
an
d
m
ee
ts
g
r
o
win
g
d
ata
p
r
o
tectio
n
s
tan
d
ar
d
s
.
Usi
n
g
t
h
e
AB
E
tech
n
iq
u
e,
a
s
ec
u
r
e
p
atien
t
m
an
ag
em
en
t
s
y
s
tem
m
ay
en
c
r
y
p
t
d
ata
as
s
h
o
wn
in
Fig
u
r
e
5
.
T
h
e
co
llectio
n
co
n
tain
s
en
cr
y
p
ted
v
alu
es
f
o
r
ch
ar
ac
ter
is
tics
s
u
ch
p
atien
t
I
D
,
ag
e
,
m
ed
ical
h
is
to
r
y
co
d
e,
d
iag
n
o
s
is
co
d
e,
an
d
tr
ea
tm
en
t
c
o
d
e
.
T
o
m
a
k
e
s
u
r
e
th
at
o
n
ly
th
o
s
e
with
th
e
r
ig
h
t q
u
alities
m
ay
ac
ce
s
s
th
e
d
ata,
th
e
AB
E
alg
o
r
ith
m
g
en
er
ates th
ese
v
alu
es.
Patien
t
d
ata
k
ep
t in
t
h
e
clo
u
d
is
n
o
w
m
o
r
e
s
ec
u
r
e
b
ec
au
s
e
o
f
t
h
is
.
T
h
e
AB
E
alg
o
r
ith
m
s
KP
-
AB
E
,
C
P
-
AB
E
,
MA
-
AB
E
,
an
d
PE
-
AB
A
C
ar
e
cr
u
cial
to
p
r
o
t
ec
t
clo
u
d
-
b
ased
elec
tr
o
n
ic
d
e
n
tal
r
ec
o
r
d
s
in
T
ab
le
2
.
E
ac
h
h
as
u
n
iq
u
e
h
u
r
d
les,
s
u
ch
as
k
ey
m
a
n
ag
em
en
t
an
d
p
o
licy
co
m
p
licatio
n
s
,
y
et
th
e
y
all
s
im
p
lify
p
atien
t
m
a
n
ag
em
e
n
t.
T
h
ese
alg
o
r
ith
m
s
ar
e
u
s
ed
f
o
r
a
cc
ess
co
n
tr
o
l,
d
en
tal
d
ata
s
h
ar
in
g
,
cr
o
s
s
-
in
s
titu
tio
n
al
d
ata
s
h
ar
in
g
,
an
d
d
y
n
am
ic
p
atien
t
attr
ib
u
te
co
n
tr
o
l.
Gr
an
u
lar
ac
ce
s
s
co
n
tr
o
l,
f
lex
ib
le
r
u
les,
d
ec
en
tr
alize
d
a
d
m
in
is
tr
atio
n
,
an
d
f
ast
attr
ib
u
te
h
an
d
lin
g
im
p
r
o
v
e
d
en
tal
r
ec
o
r
d
m
a
n
ag
em
e
n
t
s
ec
u
r
ity
an
d
c
o
o
p
er
atio
n
.
Fig
u
r
e
5
.
AB
E
alg
o
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Evaluation Warning : The document was created with Spire.PDF for Python.
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2
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I
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Vo
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15
,
No
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2
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Ap
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20
25
:
2
4
4
5
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4
2452
an
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less
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5.
CO
NCLU
SI
O
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Usi
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AB
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d
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s
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p
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k
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m
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t,
laten
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r
n
s
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if
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tr
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ay
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cr
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p
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im
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h
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d
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tech
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ter
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b
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p
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t
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m
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g
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s
ce
n
ar
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First,
Secu
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Patien
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Ma
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ag
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Sy
s
tem
Data
s
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r
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lts
r
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AB
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Alg
o
r
ith
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cr
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th
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d
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f
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.
T
h
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p
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a
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2
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,
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d
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.
Fo
r
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.
RE
F
E
R
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NC
E
S
[
1
]
T.
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A
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A
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M
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tac
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:
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rv
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k
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r
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m
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d
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a
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s
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h
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d
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g
re
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.
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d
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re
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sig
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rlal
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ra
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d
.
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h
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s
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sh
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m
o
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n
5
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p
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tern
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d
.
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is
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se
n
io
r
m
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m
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r
o
f
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li
fe
m
e
m
b
e
r
o
f
IS
TE
,
a
n
d
IET
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.
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re
a
s
o
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se
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rc
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e
sig
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d
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ircu
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s.
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rre
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rk
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g
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ro
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e
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p
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rtme
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t
o
f
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e
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tr
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ics
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n
d
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o
m
m
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ti
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g
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rd
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m
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ll
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o
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g
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g
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y
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e
ra
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d
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lan
g
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n
a
,
In
d
ia.
He
c
a
n
b
e
c
o
n
tac
ted
a
t
sa
n
d
iri
.
ra
jen
d
a
r@g
m
a
il
.
c
o
m
.
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