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R
SA
e
nc
r
y
pti
on
and
toke
niz
ati
on:
…
(
M
ainak
Saha
)
133
S
e
v
e
r
a
l
s
t
ud
i
e
s
ha
v
e
i
nve
s
t
i
ga
t
e
d
v
a
r
i
o
us
a
ppr
o
a
c
h
e
s
t
o
e
nh
a
n
c
i
ng
c
r
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d
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t
c
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r
d
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ur
i
t
y
,
w
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t
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n
c
r
y
pt
i
o
n
a
n
d
to
ke
ni
z
a
t
i
o
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t
e
c
hni
que
s
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e
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ng
a
t
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h
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r
e
f
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o
n
t
o
f
t
h
e
s
e
e
f
f
o
r
t
s
.
E
n
c
r
y
pt
i
o
n
,
a
pr
o
c
e
s
s
t
h
a
t
c
o
n
v
e
r
t
s
c
r
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t
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a
r
d
da
t
a
f
r
o
m
p
l
a
i
n
t
e
x
t
i
n
t
o
c
i
p
he
r
t
e
x
t,
r
e
n
de
r
s
t
h
e
da
t
a
un
r
e
a
da
bl
e
w
i
t
h
o
ut
t
h
e
a
p
pr
o
p
r
i
a
t
e
de
c
r
y
pt
i
o
n
ke
y
a
s
s
h
o
wn
i
n
F
i
gur
e
1.
S
y
m
m
e
t
r
i
c
a
n
d
a
s
ym
m
e
t
r
i
c
e
n
c
r
y
pt
i
o
n
a
r
e
t
h
e
t
w
o
m
a
i
n
t
y
pe
s
o
f
e
n
c
r
y
pt
i
o
n
m
e
t
h
o
ds
.
A
E
S
(
a
dv
a
nc
e
d
e
nc
r
y
pt
i
o
n
s
t
a
n
da
r
d
)
a
n
d
R
S
A
(
R
i
v
e
s
t
-
S
h
a
m
i
r
-
A
d
l
e
m
a
n
)
a
r
e
t
w
o
po
pul
a
r
t
e
c
hni
qu
e
s
[
5
].
A
t
i
ns
t
a
n
c
e
,
R
S
A
e
n
c
r
y
pt
i
o
n
i
s
a
we
l
l
-
k
n
o
wn
publi
c
-
ke
y
c
r
y
pt
o
s
y
s
t
e
m
t
h
a
t
h
a
s
s
h
o
wn
to
b
e
s
uc
c
e
s
s
f
u
l
a
t
pr
ot
e
c
t
i
n
g
pr
i
va
t
e
da
t
a
[
6
]
.
I
t
h
a
s
a
l
s
o
b
e
e
n
s
h
o
wn
t
h
a
t
to
ke
ni
z
a
t
i
o
n
,
whi
c
h
s
ub
s
t
i
t
ut
e
s
d
i
s
t
i
n
c
t
i
de
n
t
i
f
i
e
r
s
f
o
r
s
e
ns
i
t
i
v
e
da
t
a
,
i
s
b
e
n
e
f
i
c
i
a
l
i
n
l
o
we
r
i
n
g
t
h
e
e
x
po
s
ur
e
o
f
c
r
e
d
i
t
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
dur
i
n
g
t
r
a
n
s
a
c
t
i
o
ns
[
7]
.
H
o
we
v
e
r
,
t
h
e
c
h
a
l
l
e
nge
l
i
e
s
i
n
i
n
t
e
gr
a
t
i
n
g
t
h
e
s
e
t
e
c
h
n
o
l
o
g
i
e
s
i
n
t
o
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.
R
e
gul
a
t
o
r
y
c
o
m
p
li
a
n
c
e
s
t
a
n
da
r
ds
s
u
c
h
a
s
pa
ym
e
n
t
c
a
r
d
i
n
dus
t
r
y
da
t
a
s
e
c
ur
i
t
y
s
t
a
n
d
a
r
d
(
P
C
I
DSS
)
a
n
d
ge
n
e
r
a
l
da
t
a
pr
ot
e
c
t
i
o
n
r
e
gu
l
a
t
i
o
n
(
GD
P
R
)
f
ur
t
h
e
r
un
de
r
s
c
o
r
e
t
h
e
i
m
po
r
t
a
n
c
e
o
f
e
n
c
r
y
pt
i
n
g
c
r
e
d
i
t
c
a
r
d
da
t
a
to
pr
e
v
e
n
t
un
a
ut
h
o
r
i
z
e
d
a
c
c
e
s
s
a
n
d
i
n
t
e
r
c
e
pt
i
o
n
.
Nu
m
e
r
o
us
da
t
a
b
r
e
a
c
h
e
s
h
a
v
e
o
c
c
ur
r
e
d
due
to
im
pr
o
pe
r
e
n
c
r
y
pt
i
o
n
o
f
c
r
e
d
i
t
c
a
r
d
da
t
a
,
r
e
s
ul
t
i
n
g
i
n
s
e
v
e
r
e
c
o
n
s
e
que
n
c
e
s
f
o
r
b
ot
h
i
n
d
i
v
i
du
a
l
s
a
n
d
o
r
ga
ni
z
a
t
i
o
n
s
[
8]
.
T
hi
s
s
t
ud
y
pr
e
s
e
n
t
s
a
s
e
c
ur
i
t
y
s
o
l
ut
i
o
n
c
o
m
bi
nin
g
R
S
A
e
nc
r
y
pt
i
o
n
w
i
t
h
t
o
ke
ni
z
a
t
i
o
n
t
o
p
r
ot
e
c
t
c
r
e
d
i
t
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
.
T
h
e
s
y
s
t
e
m
i
n
c
l
ud
e
s
t
h
r
e
e
m
o
dul
e
s
:
m
e
r
c
h
a
n
t
,
to
ke
ni
z
a
t
i
o
n
,
a
n
d
to
ke
n
va
u
l
t
.
T
h
e
m
e
r
c
h
a
n
t
a
n
d
t
o
ke
ni
z
a
t
i
o
n
m
o
du
l
e
s
ge
n
e
r
a
t
e
tr
a
n
s
a
c
t
i
o
n
va
l
i
d
a
t
i
o
n
t
o
ke
n
s
a
n
d
s
e
c
ur
e
ly
t
r
a
ns
m
i
t
c
r
e
d
i
t
c
a
r
d
da
t
a
,
whi
l
e
t
h
e
to
ke
n
v
a
u
l
t
,
h
o
s
t
e
d
o
n
a
c
l
o
ud
pl
a
t
f
o
r
m
,
e
ns
ur
e
s
c
o
n
t
r
o
l
l
e
d
a
n
d
r
e
s
t
r
i
c
t
e
d
a
c
c
e
s
s
to
s
tor
e
d
da
t
a
.
T
hi
s
m
u
l
t
i
-
m
o
du
l
e
de
s
i
g
n
e
n
c
r
y
pt
s
a
n
d
s
a
f
e
l
y
s
to
r
e
s
c
r
i
t
i
c
a
l
i
nf
o
r
m
a
t
i
o
n
,
r
e
duc
i
n
g
t
h
e
r
i
s
k
o
f
da
t
a
b
r
e
a
c
h
e
s
a
n
d
u
n
a
ut
h
o
r
i
z
e
d
d
i
s
c
l
o
s
ur
e
s
.
Ho
we
v
e
r
,
t
h
e
de
c
r
y
pt
i
o
n
pr
o
c
e
s
s
f
a
c
e
s
c
h
a
ll
e
n
ge
s
f
r
o
m
b
r
ut
e
-
f
o
r
c
e
a
tt
a
c
ks
a
n
d
c
r
y
pt
o
g
r
a
phi
c
v
u
l
ne
r
a
bil
i
t
i
e
s
[
9]
,
[
10
]
.
T
h
e
pr
o
p
o
s
e
d
s
o
l
ut
i
o
n
s
i
g
ni
f
i
c
a
n
t
l
y
a
d
v
a
n
c
e
s
c
r
e
d
i
t
c
a
r
d
s
e
c
ur
i
t
y
by
i
n
t
e
gr
a
t
i
n
g
R
S
A
e
n
c
r
y
pt
i
o
n
a
n
d
to
ke
ni
z
a
t
i
o
n
i
n
t
o
a
uni
f
i
e
d
f
r
a
m
e
wo
r
k,
a
ddr
e
s
s
i
n
g
t
h
e
l
im
i
t
a
t
i
o
n
s
o
f
e
xi
s
t
i
n
g
m
e
a
s
ur
e
s
a
n
d
o
f
f
e
r
i
n
g
a
s
c
a
l
a
bl
e
,
r
o
b
us
t
s
o
l
ut
i
o
n
f
o
r
s
e
c
ur
i
n
g
f
i
na
nc
i
a
l
t
r
a
n
s
a
c
t
i
o
ns
.
B
y
e
n
c
r
y
pt
i
n
g
s
e
n
s
i
t
i
ve
i
nf
o
r
m
a
t
i
o
n
dur
i
n
g
t
r
a
n
s
m
i
s
s
i
o
n
a
n
d
s
e
c
ur
e
ly
s
to
r
i
n
g
i
t
i
n
a
c
o
n
t
r
oll
e
d
e
nvi
r
o
nm
e
n
t
,
t
h
e
s
y
s
t
e
m
e
nha
n
c
e
s
c
r
e
d
i
t
c
a
r
d
da
t
a
s
e
c
ur
i
t
y
.
E
m
e
r
g
i
ng
e
n
c
r
y
pt
i
o
n
t
e
c
hn
o
l
o
g
i
e
s
,
s
uc
h
a
s
h
o
m
o
m
o
r
phi
c
a
n
d
qua
n
t
u
m
e
n
c
r
y
pt
i
o
n
,
s
h
o
w
pr
o
m
i
s
e
f
o
r
f
ur
t
h
e
r
s
e
c
ur
i
n
g
t
r
a
n
s
a
c
t
i
o
ns
a
ga
i
ns
t
e
v
o
l
vi
n
g
c
y
b
e
r
t
h
r
e
a
t
s
.
T
hi
s
s
t
udy
a
l
s
o
pr
e
s
e
n
t
s
c
a
s
e
s
t
ud
i
e
s
o
f
o
r
ga
ni
z
a
t
i
o
n
s
t
h
a
t
h
a
v
e
s
uc
c
e
s
s
f
u
ll
y
im
p
l
e
m
e
n
t
e
d
r
o
b
us
t
e
n
c
r
y
pt
i
o
n
pr
a
c
t
i
c
e
s
,
hi
g
hli
g
h
t
i
n
g
b
e
s
t
pr
a
c
t
i
c
e
s
f
o
r
s
e
c
ur
e
ly
s
t
o
r
i
n
g
a
n
d
t
r
a
n
s
m
i
t
t
i
n
g
c
r
e
d
i
t
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
,
i
nc
l
ud
i
n
g
t
o
ke
ni
z
a
t
i
o
n
a
n
d
e
n
d
-
to
-
e
n
d
e
n
c
r
y
pt
i
o
n
.
F
ut
ur
e
tr
e
n
ds
a
n
d
c
ha
l
l
e
nge
s
i
n
c
r
e
d
i
t
c
a
r
d
e
n
c
r
y
pt
i
o
n
i
n
c
l
ude
t
h
e
i
n
t
e
gr
a
t
i
o
n
o
f
a
r
t
i
f
i
c
i
a
l
i
n
t
e
ll
i
ge
n
c
e
a
n
d
bl
o
c
kc
h
a
i
n
t
e
c
hn
o
l
o
g
y
,
whi
c
h
c
o
u
l
d
s
e
t
n
e
w
s
t
a
n
da
r
ds
f
o
r
f
i
na
n
c
i
a
l
da
t
a
pr
ot
e
c
t
i
o
n
,
c
o
n
tr
i
b
ut
i
n
g
to
e
f
f
o
r
t
s
to
pr
e
v
e
n
t
f
r
a
ud
a
n
d
m
a
i
n
t
a
i
n
c
o
n
s
u
m
e
r
t
r
us
t
i
n
d
i
g
i
t
a
l
t
r
a
n
s
a
c
t
i
o
n
s
.
F
i
gur
e
1.
P
r
o
c
e
s
s
o
f
e
n
c
r
y
pt
i
o
n
a
n
d
de
c
r
y
pt
i
o
n
[
5]
2.
RE
L
AT
E
D
WORK
2.
1.
Hi
s
t
or
ical
d
e
ve
l
op
m
e
n
t
of
e
n
c
r
yp
t
ion
in
p
a
ym
e
n
t
s
ys
t
e
m
s
T
h
e
de
v
e
l
o
p
m
e
n
t
o
f
e
n
c
r
y
pt
i
o
n
i
n
pa
ym
e
n
t
s
y
s
t
e
m
s
be
ga
n
w
i
t
h
b
a
s
i
c
c
r
y
pt
o
gr
a
phi
c
t
e
c
hni
que
s
,
s
uc
h
a
s
s
ymm
e
t
r
i
c
ke
y
e
n
c
r
y
pt
i
o
n
,
t
o
pr
ot
e
c
t
c
a
r
dh
o
l
de
r
i
nf
o
r
m
a
t
i
o
n
dur
i
n
g
t
r
a
n
s
mi
s
s
i
o
n
.
A
s
c
y
be
r
t
h
r
e
a
t
s
e
v
o
l
v
e
d,
m
o
r
e
r
o
b
us
t
m
e
t
h
o
ds
l
i
ke
A
E
S
a
n
d
pu
bli
c
-
ke
y
i
nf
r
a
s
t
r
uc
t
ur
e
(
P
K
I
)
we
r
e
de
v
e
l
o
pe
d
s
pe
c
i
f
i
c
a
ll
y
t
o
s
e
c
ur
e
f
i
na
n
c
i
a
l
t
r
a
n
s
a
c
t
i
o
n
s
[
1
1
].
2.
2.
E
n
c
r
yp
t
ion
s
t
an
d
ar
d
s
an
d
p
r
ot
oc
ol
s
C
r
e
d
i
t
c
a
r
d
t
r
a
n
s
a
c
t
i
o
n
s
u
s
e
i
n
du
s
t
r
y
-
s
t
a
n
da
r
d
e
nc
r
y
pt
i
o
n
m
e
c
h
a
ni
s
m
s
t
o
e
n
s
ur
e
da
t
a
i
n
t
e
gr
i
t
y
a
n
d
c
o
nf
i
de
n
t
i
a
li
t
y
.
T
h
e
P
C
I
DSS
m
a
n
da
t
e
s
s
t
r
o
n
g
e
n
c
r
y
pt
i
o
n
m
e
t
h
o
ds
l
i
k
e
t
r
i
p
l
e
da
t
a
e
n
c
r
y
pt
i
o
n
s
t
a
n
da
r
d
(
DE
S
)
o
r
A
E
S
to
p
r
ot
e
c
t
s
e
n
s
i
t
i
ve
c
a
r
dh
o
l
d
e
r
da
t
a
.
P
r
otoco
l
s
s
uc
h
a
s
s
e
c
ur
e
s
o
c
ke
t
s
l
a
y
e
r
(
S
S
L
)
a
n
d
t
r
a
n
s
p
o
r
t
l
a
y
e
r
s
e
c
ur
i
t
y
(
T
L
S
)
s
e
c
ur
e
c
o
m
m
u
ni
c
a
t
i
o
n
c
h
a
nn
e
l
s
a
nd
e
nh
a
n
c
e
e
l
e
c
t
r
o
ni
c
pa
ym
e
n
t
s
e
c
ur
i
t
y
[
12]
.
De
s
p
i
t
e
t
h
e
s
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
2252
-
8776
I
n
t
J
I
n
f
&
C
o
m
m
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n
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e
c
hn
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l
,
Vo
l
.
1
4
,
N
o.
1
,
A
pr
i
l
20
2
5
:
132
-
140
134
m
e
a
s
ur
e
s
,
c
r
e
d
i
t
c
a
r
d
s
y
s
t
e
m
s
s
t
i
ll
e
nc
o
un
t
e
r
s
e
c
ur
i
t
y
c
h
a
ll
e
n
ge
s
,
i
nc
l
ud
i
ng
c
r
y
pt
o
gr
a
phi
c
a
tt
a
c
ks
a
n
d
m
a
l
wa
r
e
t
h
r
e
a
t
s
.
T
h
e
s
e
v
u
l
ne
r
a
bi
li
t
i
e
s
hi
g
hli
g
h
t
th
e
n
e
e
d
f
o
r
a
ddi
t
i
o
n
a
l
s
e
c
ur
i
t
y
m
e
a
s
ur
e
s
,
s
uc
h
a
s
e
n
dpo
i
n
t
pr
ot
e
c
t
i
o
n
a
n
d
us
e
r
a
ut
h
e
n
t
i
c
a
t
i
o
n
.
2.
3.
F
u
t
u
r
e
d
ir
e
c
t
ion
s
an
d
e
m
e
r
gin
g
t
r
e
n
d
s
F
ut
ur
e
a
dv
a
nc
e
m
e
n
t
s
i
n
c
r
e
d
i
t
c
a
r
d
e
n
c
r
y
pt
i
o
n
a
r
e
p
o
i
s
e
d
to
a
dd
r
e
s
s
c
ur
r
e
n
t
s
e
c
ur
i
t
y
i
s
s
ue
s
a
n
d
e
nh
a
nc
e
pa
y
m
e
n
t
s
y
s
t
e
m
r
e
s
i
li
e
nc
e
.
I
n
n
o
v
a
t
i
o
n
s
l
i
k
e
qua
n
t
u
m
-
r
e
s
i
s
t
a
n
t
c
r
y
pt
o
gr
a
phy
,
h
o
m
o
m
o
r
p
hi
c
e
n
c
r
y
pt
i
o
n
,
a
n
d
bl
o
c
kc
h
a
i
n
-
b
a
s
e
d
s
o
l
ut
i
o
n
s
pr
o
mi
s
e
s
i
g
ni
f
i
c
a
n
t
i
m
pr
o
v
e
m
e
n
t
s
i
n
f
i
na
n
c
i
a
l
t
r
a
n
s
a
c
t
i
o
n
s
e
c
ur
i
t
y
[
13]
.
F
ur
t
h
e
r
m
o
r
e
,
a
dv
a
n
c
e
m
e
n
t
s
i
n
a
r
t
i
f
ic
i
a
l
i
n
t
e
l
li
ge
nc
e
a
n
d
m
a
c
hi
ne
l
e
a
r
ni
ng
a
r
e
e
x
pe
c
t
e
d
to
pl
a
y
a
c
r
uc
i
a
l
r
o
l
e
i
n
de
t
e
c
t
i
n
g
t
h
r
e
a
t
s
a
n
d
e
n
a
bli
ng
pr
o
a
c
t
i
v
e
s
e
c
ur
i
t
y
s
y
s
t
e
m
s
to
s
w
i
f
t
l
y
c
o
un
t
e
r
e
v
o
l
vin
g
c
y
be
r
ri
s
ks
[
14
]
.
3.
P
ROP
OS
E
D
M
E
T
HO
D
T
h
e
pr
o
p
o
s
e
d
s
y
s
t
e
m
a
ddr
e
s
s
e
s
t
h
e
s
h
o
r
t
c
o
m
i
ng
s
i
d
e
n
t
i
f
i
e
d
i
n
e
v
a
l
ua
t
e
d
a
n
d
pu
bli
s
h
e
d
wo
r
ks
by
i
nc
o
r
por
a
t
i
n
g
m
e
r
c
h
a
n
t
a
n
d
to
ke
ni
z
a
t
i
o
n
m
o
du
l
e
s
,
a
l
o
n
g
w
i
t
h
a
t
o
ke
n
v
a
u
l
t
,
a
s
i
ll
u
s
t
r
a
t
e
d
i
n
F
i
gur
e
2.
F
i
gur
e
2
.
T
h
e
pr
o
p
o
s
e
d
s
y
s
t
e
m
'
s
a
r
c
hi
t
e
c
t
ur
a
l
de
s
ign
[
6]
3.
1.
S
ys
t
e
m
a
r
c
h
it
e
c
t
u
r
e
T
h
e
s
y
s
t
e
m
i
s
de
s
i
g
n
e
d
t
o
e
n
ha
n
c
e
s
e
c
ur
i
t
y
by
s
e
pa
r
a
t
i
n
g
t
h
e
c
r
e
d
i
t
c
a
r
d
pr
o
c
e
s
s
i
n
g
i
n
t
o
di
s
t
i
n
c
t
m
o
du
l
e
s
:
i)
M
e
r
c
ha
n
t
m
o
du
l
e
:
t
hi
s
m
o
du
l
e
i
s
wh
e
r
e
c
us
t
o
m
e
r
s
e
n
t
e
r
t
h
e
i
r
c
r
e
d
i
t
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
.
I
t
f
unc
t
i
o
ns
a
s
t
h
e
i
n
i
t
i
a
l
po
i
n
t
o
f
i
n
t
e
r
a
c
t
i
o
n
f
o
r
c
a
r
dh
o
l
de
r
s
,
c
a
pt
ur
i
n
g
e
s
s
e
n
t
i
a
l
da
t
a
s
uc
h
a
s
c
a
r
d
n
u
m
be
r
,
e
x
p
i
r
a
t
i
o
n
da
t
e
,
a
n
d
C
VV
c
o
de
.
T
hi
s
da
t
a
i
s
t
h
e
n
s
e
c
ur
e
l
y
t
r
a
n
s
mi
t
t
e
d
to
t
h
e
to
ke
ni
z
a
t
i
o
n
m
o
du
l
e
.
ii
)
T
o
ke
ni
z
a
t
i
o
n
m
o
du
l
e
:
t
h
e
pa
y
m
e
n
t
ga
t
e
wa
y
c
o
n
t
r
o
l
s
t
hi
s
m
o
du
l
e
,
whi
c
h
i
s
r
e
s
po
n
s
i
b
l
e
f
o
r
ge
ne
r
a
t
i
n
g
uni
que
t
r
a
n
s
a
c
t
i
o
n
v
a
li
da
t
i
o
n
to
ke
n
s
.
W
h
e
n
a
c
r
e
di
t
c
a
r
d
t
r
a
n
s
a
c
t
i
o
n
i
s
i
n
i
t
i
a
t
e
d,
t
h
e
to
ke
ni
z
a
t
i
o
n
m
o
du
l
e
r
e
p
l
a
c
e
s
s
e
ns
i
t
i
ve
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
w
i
t
h
a
n
o
n
-
s
e
n
s
i
t
i
ve
to
ke
n
.
T
h
i
s
to
ke
n
i
s
us
e
d
i
n
p
l
a
c
e
o
f
t
h
e
a
c
t
ua
l
c
a
r
d
n
u
m
be
r
dur
i
n
g
t
h
e
t
r
a
n
s
a
c
t
i
o
n
pr
o
c
e
s
s
,
t
h
e
r
e
by
r
e
duc
i
n
g
t
h
e
r
i
s
k
o
f
da
t
a
b
r
e
a
c
h
e
s
.
ii
i
)
T
o
ke
n
v
a
u
l
t
:
t
h
e
to
ke
n
v
a
u
l
t
i
s
a
s
e
c
ur
e
,
r
e
s
tr
i
c
t
e
d
a
c
c
e
s
s
da
t
a
b
a
s
e
s
t
o
r
e
d
o
n
a
c
l
o
ud
s
to
r
a
ge
pl
a
t
f
o
r
m
.
I
t
h
o
l
ds
t
h
e
m
a
pp
i
ng
o
f
t
o
ke
n
s
to
t
h
e
i
r
r
e
s
pe
c
t
i
v
e
c
r
e
d
i
t
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
.
A
c
c
e
s
s
t
o
t
hi
s
v
a
u
l
t
i
s
t
i
gh
t
ly
c
o
n
t
r
o
l
l
e
d
a
n
d
r
e
gu
l
a
t
e
d
to
e
n
s
ur
e
t
h
e
pr
ot
e
c
t
i
o
n
o
f
t
h
e
s
e
n
s
i
t
i
ve
da
t
a
i
t
c
o
n
t
a
i
n
s
.
T
h
e
i
n
t
e
r
a
c
t
i
o
n
b
e
t
we
e
n
t
h
e
s
e
m
o
du
l
e
s
i
s
c
r
uc
i
a
l
f
o
r
s
e
c
ur
e
c
r
e
d
i
t
c
a
r
d
t
r
a
n
s
a
c
t
i
o
n
s
.
T
h
e
m
e
r
c
h
a
n
t
m
o
du
l
e
c
o
l
l
e
c
t
s
a
n
d
t
r
a
n
s
mi
t
s
c
a
r
d
i
nf
o
r
m
a
t
i
o
n
s
e
c
ur
e
l
y
,
whil
e
t
h
e
t
o
ke
ni
z
a
t
i
o
n
m
o
du
l
e
ge
n
e
r
a
t
e
s
a
n
d
m
a
n
a
ge
s
t
o
ke
n
s
.
T
h
e
s
e
t
o
ke
n
s
a
r
e
s
t
o
r
e
d
i
n
t
h
e
t
oke
n
v
a
u
l
t
f
o
r
va
l
i
da
t
i
o
n
,
mi
nim
i
z
i
ng
u
n
w
a
n
t
e
d
a
c
c
e
s
s
a
n
d
r
e
duc
i
n
g
t
h
e
r
i
s
k
o
f
d
i
s
c
l
o
s
i
n
g
pr
i
va
t
e
c
r
e
di
t
c
a
r
d
i
nf
o
r
m
a
t
i
on
.
3.
2.
Har
d
war
e
an
d
s
of
t
wa
r
e
r
e
q
u
i
r
e
m
e
n
t
s
T
h
e
h
a
r
dwa
r
e
r
e
qu
i
r
e
m
e
n
t
s
f
o
r
t
hi
s
s
y
s
t
e
m
i
n
c
l
ud
e
a
s
t
a
n
da
r
d
c
o
m
put
e
r
wi
t
h
a
m
u
l
t
i
-
c
o
r
e
pr
o
c
e
s
s
o
r
a
n
d
s
u
f
f
i
c
i
e
n
t
R
AM
to
h
a
n
d
l
e
da
t
a
p
r
o
c
e
s
s
i
n
g
e
f
f
i
c
i
e
n
t
l
y
.
T
h
e
s
o
f
t
wa
r
e
s
t
a
c
k
c
o
m
pr
i
s
e
s
[
15]
:
i
)
b
a
c
ke
n
d:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
I
n
f
&
C
o
m
m
u
n
T
e
c
hn
o
l
I
S
S
N:
2252
-
8776
E
nhanc
ing
c
r
e
dit
c
ar
d
s
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it
y
us
ing
R
SA
e
nc
r
y
pti
on
and
toke
niz
ati
on:
…
(
M
ainak
Saha
)
135
A
P
A
C
HE
s
e
r
v
e
r
;
ii
)
f
r
o
n
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d:
HT
M
L
,
C
S
S
,
a
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d
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a
v
a
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c
r
i
pt
;
a
n
d
i
ii
)
d
a
t
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b
a
s
e
:
M
y
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QL
,
us
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d
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3.
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d
s
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[
16]
.
T
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3.
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P
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[
17]
,
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18
]
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it
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[
21
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4.
M
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[
22
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.
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pt
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nc
l
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:
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y
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[
23]
.
ii
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24
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[
22]
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e
r
vi
o
u
s
to
b
r
ut
e
-
f
o
r
c
e
a
s
s
a
u
l
t
s
.
C
o
m
p
a
ni
e
s
l
i
ke
V
i
s
a
a
n
d
M
a
s
t
e
r
C
a
r
d
us
e
A
E
S
to
s
e
c
ur
e
t
r
a
n
s
a
c
t
i
o
n
s
,
s
i
g
nif
i
c
a
n
t
l
y
r
e
duc
i
n
g
un
a
ut
h
o
r
i
z
e
d
a
c
c
e
s
s
r
i
s
ks
[
27]
.
A
dd
i
t
i
o
na
l
ly
c
r
uc
ia
l
i
s
s
e
c
ur
e
ke
y
m
a
n
a
ge
m
e
n
t
,
whi
c
h
c
o
v
e
r
s
ke
y
c
r
e
a
t
i
o
n
,
d
i
s
t
r
i
b
ut
i
o
n
,
s
to
r
a
ge
,
a
n
d
r
e
v
o
c
a
t
i
o
n
.
Goo
gl
e
's
C
l
o
ud
K
e
y
M
a
na
ge
m
e
n
t
s
e
r
vi
c
e
,
f
o
r
e
x
a
m
p
l
e
,
pr
o
vi
de
s
a
uto
m
a
t
e
d
ke
y
r
ot
a
t
i
o
n
a
n
d
s
e
c
ur
e
ke
y
m
a
n
a
g
e
m
e
n
t
a
c
r
o
s
s
c
l
o
ud
s
e
r
vi
c
e
s
.
5.
2.
Re
gu
l
at
or
y
c
om
p
l
ian
c
e
P
C
I
DSS
a
n
d
ot
h
e
r
s
tr
i
c
t
r
ul
e
s
m
us
t
b
e
f
o
l
l
o
we
d
by
b
us
i
ne
s
s
e
s
h
a
n
d
li
ng
c
r
e
d
i
t
c
a
r
d
da
t
a
.
P
C
I
DS
S
o
u
t
l
i
ne
s
c
o
m
pr
e
h
e
ns
i
ve
r
u
l
e
s
f
o
r
pr
ot
e
c
t
i
n
g
c
r
e
d
i
t
c
a
r
d
da
ta
[
28
]
.
C
o
m
pa
ni
e
s
l
i
ke
Am
a
z
o
n
a
n
d
S
t
r
i
p
e
f
o
l
l
o
w
P
C
I
DSS
-
c
o
m
p
li
a
n
t
e
n
c
r
y
pt
i
o
n
pr
oto
c
o
l
s
to
a
v
o
i
d
pe
n
a
l
t
i
e
s
a
n
d
e
ns
ur
e
da
t
a
s
e
c
ur
i
t
y
,
f
o
s
t
e
r
i
n
g
c
us
t
om
e
r
t
r
us
t
.
5.
3.
Re
s
u
l
t
s
of
e
f
f
e
c
t
ive
e
n
c
r
yp
t
ion
an
d
d
e
c
r
yp
t
ion
Goo
d
e
n
c
r
y
pt
i
o
n
a
n
d
de
c
r
y
pt
i
o
n
t
e
c
hni
que
s
h
a
ve
th
e
f
o
l
l
o
w
i
ng
b
e
n
e
f
i
c
i
a
l
e
f
f
e
c
t
s
:
i)
E
nh
a
n
c
e
d
s
e
c
ur
i
t
y
:
s
t
r
o
n
g
e
n
c
r
y
pt
i
o
n
pr
o
to
c
o
l
s
h
e
lp
pr
ot
e
c
t
c
r
e
di
t
c
a
r
d
da
t
a
f
r
o
m
u
n
a
ut
h
o
r
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z
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d
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c
c
e
s
s
a
n
d
pot
e
n
t
i
a
l
b
r
e
a
c
he
s
.
Or
ga
ni
z
a
t
i
o
n
s
m
a
y
pr
ot
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s
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n
s
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ve
i
nf
o
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m
a
t
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n
f
r
o
m
c
y
be
r
-
a
tt
a
c
ks
by
m
a
k
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g
s
ur
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h
a
t
da
t
a
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s
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n
c
r
y
pt
e
d
whil
e
i
t
i
s
i
n
t
r
a
n
s
i
t
a
n
d
a
t
r
e
s
t
[
2
9
].
ii
)
P
r
i
va
c
y
pr
ot
e
c
t
i
o
n
:
e
f
f
e
c
t
i
v
e
e
n
c
r
y
pt
i
o
n
s
a
f
e
g
ua
r
ds
c
us
t
o
m
e
r
pr
i
v
a
c
y
by
e
ns
ur
i
n
g
t
h
a
t
s
e
ns
i
t
i
v
e
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n
f
o
r
m
a
t
i
o
n
r
e
m
a
i
ns
c
o
nf
i
de
n
t
i
a
l
.
T
hi
s
b
u
i
l
d
s
tr
us
t
wi
t
h
c
us
to
m
e
r
s
,
wh
o
c
a
n
b
e
a
s
s
ur
e
d
t
h
a
t
t
h
e
i
r
f
i
na
n
c
i
a
l
de
t
a
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l
s
a
r
e
b
e
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h
a
n
d
l
e
d
s
e
c
ur
e
l
y
.
ii
i
)
B
u
i
l
d
i
ng
t
r
us
t
wi
t
h
c
us
t
o
m
e
r
s
:
e
nc
r
y
pt
i
o
n
i
s
o
n
e
o
f
t
h
e
t
r
a
n
s
pa
r
e
n
t
s
e
c
ur
i
t
y
t
e
c
hni
qu
e
s
t
h
a
t
h
e
l
ps
e
s
t
a
bli
s
h
a
n
d
pr
e
s
e
r
v
e
c
o
n
s
u
m
e
r
c
o
nf
i
de
n
c
e
.
C
o
n
s
u
m
e
r
s
a
r
e
m
o
r
e
i
nc
l
i
ne
d
to
i
n
t
e
r
a
c
t
wi
t
h
c
o
m
pa
ni
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t
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h
o
w
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de
d
i
c
a
t
i
o
n
t
o
pr
ot
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c
t
i
n
g
t
h
e
i
r
f
i
na
n
c
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a
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a
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d
pe
r
s
o
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a
l
d
a
t
a
.
i
v)
R
e
gu
l
a
t
or
y
c
o
m
p
li
a
n
c
e
:
c
o
m
p
li
a
n
c
e
w
i
t
h
P
C
I
DSS
a
n
d
ot
h
e
r
r
e
l
e
v
a
n
t
r
e
gu
l
a
t
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o
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s
h
e
l
ps
o
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ga
ni
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t
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o
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v
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d
pe
na
l
t
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e
s
a
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d
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l
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r
c
us
s
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ns
.
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t
a
l
s
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n
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ur
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s
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h
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t
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t
p
r
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t
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s
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c
ur
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y
a
r
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f
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d,
r
e
duc
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n
g
t
h
e
l
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ke
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nc
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de
n
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.
v)
M
i
t
i
ga
t
e
d
r
i
s
ks
:
o
r
ga
ni
z
a
t
i
o
n
s
r
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duc
e
t
h
e
r
i
s
k
s
of
f
i
na
nc
i
a
l
l
o
s
s
e
s
,
r
e
put
a
t
i
o
n
a
l
h
a
r
m
,
a
n
d
o
pe
r
a
t
i
o
n
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l
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n
t
e
r
r
upt
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o
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o
n
n
e
c
t
e
d
wi
t
h
da
t
a
b
r
e
a
c
h
e
s
by
e
nc
r
y
pt
i
n
g
c
r
e
d
i
t
c
a
r
d
da
t
a
.
vi
)
I
n
t
e
gr
i
t
y
o
f
f
i
na
n
c
i
a
l
t
r
a
n
s
a
c
t
i
o
n
s
:
e
nc
r
y
pt
i
o
n
h
e
lps
m
a
i
n
t
a
i
n
t
h
e
i
n
t
e
gr
i
t
y
o
f
f
i
na
n
c
i
a
l
t
r
a
n
s
a
c
t
i
o
ns
b
y
pr
ot
e
c
t
i
n
g
t
h
e
da
t
a
f
r
o
m
t
a
m
pe
r
i
ng
a
n
d
u
n
a
ut
ho
r
i
z
e
d
a
l
t
e
r
a
t
i
o
n
s
.
T
hi
s
e
n
s
ur
e
s
t
h
a
t
t
r
a
n
s
a
c
t
i
o
ns
a
r
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pr
o
c
e
s
s
e
d
a
c
c
ur
a
t
e
l
y
a
n
d
s
e
c
ur
e
ly
.
5.
4.
Chal
l
e
n
ge
s
E
n
c
r
y
pt
i
o
n
a
n
d
de
c
r
y
pt
i
o
n
c
o
m
e
w
i
t
h
c
o
s
t
s
a
n
d
c
o
m
p
l
e
xi
t
i
e
s
.
I
m
p
l
e
m
e
n
t
i
n
g
a
n
d
m
a
na
g
i
n
g
e
n
c
r
y
pt
i
o
n
s
o
l
ut
i
o
n
s
c
a
n
b
e
r
e
s
o
ur
c
e
-
i
n
t
e
n
s
i
ve
,
r
e
qu
i
r
i
n
g
s
pe
c
i
a
li
z
e
d
k
n
o
w
l
e
dge
a
n
d
i
nf
r
a
s
t
r
uc
t
ur
e
[
30
]
.
F
or
i
ns
t
a
nc
e
,
s
m
a
ll
b
us
i
ne
s
s
e
s
m
i
g
h
t
s
tr
uggl
e
w
i
t
h
t
h
e
i
ni
t
i
a
l
c
o
s
t
s
a
n
d
t
e
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hni
c
a
l
de
m
a
n
d
s
o
f
a
dv
a
n
c
e
d
e
n
c
r
y
pt
i
o
n
.
Ho
we
v
e
r
,
t
h
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tr
a
de
-
o
f
f
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n
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m
pr
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j
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nve
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m
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d
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nc
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d
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l
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n
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m
a
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a
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o
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.
A
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i
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i
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na
l
ly
,
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s
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c
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i
o
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m
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,
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make
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f
f
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w
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whil
e
.
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6.
CONC
L
USI
ON
C
r
e
d
i
t
c
a
r
d
e
n
c
r
y
pt
i
o
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a
n
d
de
c
r
y
pt
i
o
n
a
r
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vi
t
a
l
i
n
c
y
b
e
r
s
e
c
ur
i
t
y
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e
ns
ur
i
n
g
t
h
e
pr
ot
e
c
t
i
o
n
o
f
s
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ns
i
t
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ve
da
t
a
du
r
i
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r
a
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d
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ge
.
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n
c
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pt
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c
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ve
r
t
s
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a
da
bl
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a
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x
t
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n
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o
a
n
uni
n
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e
l
li
g
i
b
l
e
c
o
de
t
h
r
o
ugh
c
o
m
p
l
e
x
a
l
go
r
i
t
hm
s
a
n
d
s
e
c
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e
ke
y
m
a
n
a
ge
m
e
n
t
,
a
c
t
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a
s
a
b
a
r
r
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r
a
ga
i
ns
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un
a
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h
o
r
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d
a
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c
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s
s
.
A
po
pul
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r
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e
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m
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S
.
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n
c
r
y
pt
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o
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ot
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y
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e
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ur
e
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t
a
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ut
a
l
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o
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il
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tr
us
t
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e
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we
e
n
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u
s
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ne
s
s
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s
a
n
d
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us
t
o
m
e
r
s
,
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r
uc
i
a
l
in
to
da
y
’
s
d
i
g
i
t
a
l
e
c
o
n
o
m
y
w
he
r
e
e
l
e
c
t
r
o
ni
c
pa
ym
e
nt
s
a
r
e
c
o
m
m
o
n
.
C
o
m
p
li
a
n
c
e
w
i
t
h
i
n
du
s
t
r
y
s
t
a
n
da
r
ds
,
s
uc
h
a
s
P
C
I
DSS
,
i
s
e
s
s
e
n
t
i
a
l
to
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v
o
i
d
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t
a
b
r
e
a
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h
e
s
,
l
e
g
a
l
i
s
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u
e
s
,
a
n
d
r
e
put
a
t
i
o
n
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l
d
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m
a
ge
,
m
a
k
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n
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o
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us
t
e
n
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r
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pt
i
o
n
b
o
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h
a
s
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ur
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t
y
a
n
d
s
t
r
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t
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c
n
e
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e
s
s
i
t
y
.
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m
p
l
e
m
e
n
t
i
n
g
e
n
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r
y
pt
i
o
n
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s
e
s
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h
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ll
e
n
ge
s
,
i
nc
l
u
d
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a
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ng
ke
y
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n
e
r
a
t
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o
n
a
n
d
t
r
a
n
s
m
i
s
s
i
o
n
,
a
n
d
a
ddr
e
s
s
i
n
g
i
n
t
e
gr
a
t
i
o
n
c
o
s
t
s
.
H
o
we
v
e
r
,
t
h
e
s
e
c
h
a
ll
e
n
ge
s
a
r
e
o
u
t
we
i
g
h
e
d
by
t
h
e
r
i
s
k
s
o
f
da
t
a
b
r
e
a
c
h
e
s
a
n
d
r
e
gu
l
a
t
or
y
pe
n
a
l
t
i
e
s
.
B
y
a
do
pt
i
n
g
a
d
v
a
n
c
e
d
e
nc
r
y
p
t
i
o
n
pr
a
c
t
i
c
e
s
a
n
d
a
dh
e
r
i
ng
to
s
t
a
n
da
r
ds
,
or
ga
ni
z
a
t
i
o
n
s
c
a
n
pr
ot
e
c
t
f
i
na
n
c
i
a
l
da
t
a
,
e
n
s
ur
e
pr
i
v
a
c
y
,
a
n
d
m
a
i
n
t
a
in
c
o
n
s
u
m
e
r
t
r
us
t
i
n
a
n
i
nc
r
e
a
s
i
ng
ly
i
n
t
e
r
c
o
nn
e
c
t
e
d
wo
r
l
d
.
RE
F
E
R
E
NC
E
S
[
1]
S
.
K
uma
r
,
B
.
K
.
S
in
gh,
A
ks
hi
ta
,
S
.
P
undi
r
,
S
.
B
a
tr
a
,
a
nd
R
.
J
o
s
hi
,
“
A
s
ur
v
e
y
o
n
s
y
mm
e
tr
i
c
a
nd
a
s
y
mm
e
tr
i
c
k
e
y
ba
s
e
d
im
a
ge
e
n
c
r
y
pt
i
o
n,”
in
2nd
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
D
at
a,
E
ngi
ne
e
r
in
g
and
A
ppl
ic
at
io
ns
(
I
D
E
A
)
,
F
e
b.
2020,
pp.
1
–
5,
do
i:
10.1109/I
D
E
A
49133.2020.9170703.
[
2]
F
.
B
is
o
gni
a
nd
H
.
A
s
gha
r
i,
“
M
o
r
e
th
a
n
a
s
us
pe
c
t
:
a
n
in
ve
s
ti
ga
ti
o
n
in
t
o
th
e
c
o
nn
e
c
ti
o
n
be
tw
e
e
n
da
ta
b
r
e
a
c
h
e
s
,
id
e
nt
it
y
th
e
f
t,
a
nd
da
ta
br
e
a
c
h n
o
ti
f
i
c
a
ti
o
n l
a
w
s
,”
J
our
nal
o
f
I
nf
o
r
m
at
io
n P
ol
ic
y
,
vo
l.
10, pp. 45
–
82, M
a
y
2020, d
oi
:
10.5325/j
in
f
o
p
o
l
i.
10.2020.00
45.
[
3]
M
.
S
uga
ny
a
a
nd
T
.
S
a
s
ip
r
a
ba
,
“
S
to
c
ha
s
ti
c
gr
a
di
e
nt
d
e
s
c
e
nt
l
o
n
g
s
ho
r
t
-
t
e
r
m
m
e
m
or
y
ba
s
e
d
s
e
c
ur
e
e
n
c
r
y
pt
i
o
n
a
lg
or
it
hm
f
o
r
c
l
o
ud
da
ta
s
to
r
a
ge
a
nd
r
e
tr
i
e
v
a
l
in
c
l
o
ud
c
omput
in
g
e
n
vi
r
o
nm
e
nt
,”
J
our
nal
of
C
lo
ud
C
om
put
in
g
,
v
o
l.
12,
n
o
.
1,
p.
74,
M
a
y
2023,
do
i:
10.1186/s
13677
-
023
-
00442
-
6.
[
4]
S
.
G
a
ha
n
e
,
R
.
P
o
ha
nka
r
,
K
.
U
g
e
muge
,
a
nd
D
.
N
a
kha
te
,
“
D
a
ta
s
e
c
ur
it
y
in
a
c
l
o
ud
e
n
v
ir
o
nm
e
nt
us
in
g
c
r
y
pt
o
g
r
a
phi
c
me
c
ha
ni
s
ms
,”
in
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
I
C
T
f
or
Su
s
ta
in
abl
e
D
e
v
e
lo
pm
e
nt
, 2023, pp. 103
–
110, do
i:
10.1007/978
-
981
-
99
-
4932
-
8_11.
[
5]
M
.
M
.
H
oo
bi
,
“
M
ul
ti
l
e
v
e
l
c
r
y
p
t
o
gr
a
ph
y
m
o
d
e
l
us
in
g
R
C
5,
twof
is
h,
a
nd
m
o
di
f
i
e
d
s
e
r
pe
n
t
a
lg
or
it
hms
,”
I
r
aqi
J
our
nal
of
Sc
i
e
nc
e
,
pp. 3434
–
3450, J
un. 2024, do
i:
10.24996/
ij
s
.2024.65.6.37.
[
6]
G
.
B
.
I
w
a
s
o
kun, “
E
n
c
r
y
p
ti
o
n a
nd t
o
k
e
ni
z
a
ti
o
n
-
ba
s
e
d
s
y
s
t
e
m
f
or
c
r
e
di
t
c
a
r
d i
n
f
or
ma
ti
o
n
s
e
c
ur
it
y
,”
I
nt
e
r
nat
io
nal
J
our
nal
of
C
y
be
r
-
Se
c
ur
it
y
and Digit
al
F
or
e
ns
ic
s
, v
o
l.
7, n
o
. 3, pp. 283
–
293, 2018
, do
i:
10.17781/
P
002462.
[
7]
O
.
A
l
-
M
a
li
ki
a
nd
H
.
A
l
-
A
s
s
a
m,
“
A
to
ke
ni
z
a
ti
o
n
te
c
hni
qu
e
f
or
im
pr
ovi
ng
th
e
s
e
c
ur
it
y
of
E
M
V
c
o
nt
a
c
tl
e
s
s
c
a
r
ds
,”
I
nf
or
m
at
io
n
Se
c
ur
it
y
J
ou
r
nal
:
A
G
lo
bal
P
e
r
s
pe
c
ti
v
e
, v
o
l.
31, n
o
. 5, pp. 511
–
526, S
e
p. 2022, d
o
i:
10.1080/19393555.
2021.2001120.
[
8]
Q
.
Z
ha
ng,
“
A
n
O
v
e
r
v
i
e
w
a
nd
a
na
l
y
s
is
of
h
y
br
id
e
n
c
r
y
pt
i
o
n:
th
e
c
o
mb
in
a
ti
o
n
of
s
y
mm
e
tr
ic
e
n
c
r
y
pt
i
o
n
a
nd
a
s
y
mm
e
tr
i
c
e
n
c
r
y
pt
i
o
n,”
in
2021
2nd
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
C
om
put
in
g
and
D
at
a
Sc
ie
nc
e
(
C
D
S)
,
J
a
n.
2021,
pp.
616
–
622,
do
i:
10.1109/C
D
S
52072.2021.00111.
[
9]
R
.
M
e
i,
H
.
-
B
.
Y
a
n,
Y
.
H
e
,
Q
.
W
a
ng,
S
.
Z
hu,
a
nd
W
.
W
e
n,
“
C
o
ns
id
e
r
a
ti
o
ns
o
n
e
v
a
lu
a
ti
o
n
of
pr
a
c
ti
c
a
l
c
l
o
ud
da
ta
pr
o
t
e
c
ti
o
n,
”
in
C
hi
na C
y
be
r
S
e
c
ur
it
y
A
nnual C
on
f
e
r
e
nc
e
, 2022, pp. 51
–
69, do
i:
10.1007/978
-
981
-
19
-
8285
-
9_4.
[
10]
M
.
L
.
N
.
V
.
S
.
M
a
ni
ka
nt
a
,
C
.
S
.
P
oo
ji
th
,
M
.
B
.
P
r
a
ka
s
h,
V
.
B
.
S
a
th
w
ik
,
R
.
M
o
th
uku
r
i,
a
nd
S
.
B
ul
la
,
“
S
e
c
ur
in
g
th
e
c
l
o
ud
th
r
ough
th
e
i
mpl
e
me
nt
a
ti
o
n
of
e
n
c
r
y
pt
i
o
n a
lg
o
r
it
h
ms
-
a
c
o
mpr
e
h
e
ns
iv
e
s
tu
d
y
,”
i
n
2024
3r
d I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on A
ppl
ie
d A
r
ti
f
ic
ia
l
I
nt
e
ll
ig
e
nc
e
and C
om
put
in
g (
I
C
A
A
I
C
)
, J
un. 2024, pp. 1490
–
14
98, do
i:
10.1109/
I
C
A
A
I
C
60222.2024.10575777.
[
11]
P
.
W
il
li
a
m,
A
.
C
ho
ube
y
,
G
.
S
.
C
hha
br
a
,
R
.
B
ha
tt
a
c
ha
r
y
a
,
K
.
V
e
nga
te
s
a
n,
a
nd
S
.
C
ho
ub
e
y
,
“
A
s
s
e
s
s
me
nt
of
h
y
br
id
c
r
y
pt
o
g
r
a
phi
c
a
lg
o
r
it
h
m
f
o
r
s
e
c
u
r
e
s
ha
r
in
g
of
t
e
x
tu
a
l
a
nd
pi
c
t
o
r
ia
l
c
o
nt
e
nt
,”
in
2022
I
nt
e
r
nat
io
nal
C
onf
e
r
e
nc
e
on
E
le
c
tr
oni
c
s
and
R
e
ne
w
abl
e
Sy
s
te
m
s
(
I
C
E
A
R
S)
, M
a
r
. 2022, pp. 918
–
922, do
i:
10.1109
/I
C
E
A
R
S
53579.2022.9751932.
[
12]
J
.
H
a
n
e
t
al
.
,
“
T
I
F
F
:
t
o
k
e
ni
z
e
d
in
c
e
nt
i
v
e
f
or
f
e
d
e
r
a
t
e
d
le
a
r
ni
ng,”
in
2022
I
E
E
E
15t
h
I
nt
e
r
nat
io
nal
C
on
f
e
r
e
nc
e
on
C
l
oud
C
om
put
i
ng (
C
L
O
U
D
)
, J
ul
. 2022, pp. 407
–
416, do
i:
10.1109/C
L
O
U
D
55607.2022.00064.
[
13]
T
.
M
.
F
e
r
na
nd
e
z
-
C
a
r
a
me
s
a
nd
P
.
F
r
a
ga
-
L
a
ma
s
,
“
T
o
w
a
r
ds
po
s
t
-
qua
nt
um
bl
oc
k
c
ha
in
:
a
r
e
vi
e
w
o
n
bl
oc
k
c
ha
in
c
r
y
pt
o
gr
a
ph
y
r
e
s
is
ta
nt
t
o
qua
nt
um
c
o
mput
in
g a
tt
a
c
ks
,”
I
E
E
E
A
c
c
e
s
s
, vo
l.
8, p
p.
21091
–
21116, 2020, do
i:
10.1109/AC
C
E
S
S
.2020.2968985.
[
14]
E
.
M
.
S
.
B
a
la
g
o
ll
a
,
W
.
P
.
C
.
F
e
r
na
ndo
,
R
.
M
.
N
.
S
.
R
a
th
na
y
a
ke
,
M
.
J
.
M
.
R
.
P
.
W
ij
e
s
e
k
e
r
a
,
A
.
N
.
S
e
na
r
a
th
ne
,
a
nd
K
.
Y
.
A
be
y
w
a
r
dha
na
,
“
C
r
e
di
t
c
a
r
d
f
r
a
ud
pr
e
ve
nt
i
o
n
us
in
g
bl
oc
k
c
h
a
in
,”
in
2021
6t
h
I
nt
e
r
nat
io
nal
C
onf
e
r
e
n
c
e
f
o
r
C
on
v
e
r
g
e
nc
e
in
T
e
c
hnol
ogy
(
I
2C
T
)
, A
pr
. 2021, pp. 1
–
8, d
o
i:
10.1109/I
2C
T
510
68.2021.9418192.
[
15]
S
.
D
ía
z
-
S
a
nt
ia
g
o
,
L
.
M
.
R
o
dr
íg
u
e
z
-
H
e
nr
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l.
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. 4, pp
. 413
–
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i:
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10207
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-
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16]
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.
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,
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-
6,
do
i:
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S
C
I
59607.2024.10497224
.
[
17]
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.
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29
–
644, J
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, do
i:
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.
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18]
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20
24,
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i:
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m61295.2024.10498
330.
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19]
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20]
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21]
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. 1, pp. 93
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.,
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o
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:
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/I
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.V
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24]
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1736.
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25]
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-
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022, do
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6596/2386/
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2341
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e
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o
i:
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.
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30
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