mestrado - 2011 - renato_hidaka
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= 64
= 32
106
= 64
=
32
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Vn2 =GF(2
n)
n
f(x)
f(x) :Vn2 V2 x= (xn1, ....x0)
f(x)
x
n
2n
n= 3
8
x2 x1 x0
{0, 1}
{0, 1
} {0, 1}
{0, 1} {0, 1}
{0, 1} {0, 1}
{0, 1}
n
22
n
n= 3
256
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hw(f)
f(x)
n
hw(f) =2n1
x=0
f(x)
d(f, g)
n
d(f, g) =
hw(fg)
x2 x1 x0 f g
f(x)
hw(f) = 2n1
n
Nb = 2n!
2n1! 2n1!
a
x
Vn2 la(x) =a1x1a2x2...anxn
n
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n
Nl =
ni=1
n!i! (n i)!
a
x
Vn2 a0 V2 f(x) =a0 la(x) =
a0 a1 x1 a2 x2 ... an xn n
a0 = 0
n
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N(f) = minAn
d(f, )
An N(f)
f
n = 3
f(x)
f(x)
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a0
a1
a2 a1 a0 a2 a0 a2 a1
a2 a1 a0 c
a0 a1 a2
a1
a0
a2 a0 a2 a1
a2 a1 a0
f(x) :Vn2 Vn2 i, j {1, ....., n}
n
X
Xi X Xi i f(X)
f(Xi) j
f(x) :Vn
2 Vn
2
xVn2
f(x) f(x c(n)i )> (0, 0, ..., 0) 1in
y =f(x)
x
y
n= 3
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f(x)
y0 = x0 x2y1 = (x0 x1) x0y2 = (x1 x0) x2
f(100) f(100 1(3)0 ) = (0, 0, 0) f(100) =f(101)
x2x1x0 f(x) y2y1y0
f(x) : Vn2 Vn2
xVn2
hw(f(x) f(x c(n)i )) =n2n1 1in
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c30 c31 c
32
f(000) f(001) = 001 f(000) f(010) = 010 f(000) f(100) = 101f(001) f(000) = 001 f(001) f(011) = 000 f(001) f(101) = 100f(010) f(011) = 011 f(010) f(000) = 010 f(010) f(110) = 101f(011) f(010) = 011 f(011) f(001) = 000 f(011) f(111) = 000f(100) f(101) = 000 f(100) f(110) = 010 f(100) f(000) = 101f(101) f(100) = 000 f(101) f(111) = 100 f(101) f(001) = 100f(110) f(111) = 110 f(110) f(100) = 010 f(110) f(010) = 101f(111) f(110) = 110 f(111) f(101) = 100 f(111) f(011) = 000
hw= 10= 3 231 hw= 6= 3 231 hw= 10= 3 231
X
Xi f
i
Vi=Y
Yi
Y =f(X)
Yi=f(Xi) f
Vi X Xi
f(x) :Vn2 Vn2
xVn2f(x) f(x c(n)i ) = (2n1, 2n1,..., 2n1) 1in
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corr=
ni=0
(xi x)(yi y)
ni=0
(xi x)2n
i=0
(yi y)2
x
y
x
y
x
y
corr = 0
corr = 1
x
y
corr =1
x
y
x
y
cc(f, g) = 1 d(f, g)2n1
X
Y
f
X
Y
X
Y
x
X
x X
x
Y
f
x
y
x
y =f(x)
f
X
Y
f :XY
f :X
Y
Im(f) =Y
f
f(x) :Vn2 Vn2
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m
m
xZm2 y = S(x)
x Zm2 y =S(x)
y = y y
hw(y)
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m
m
y
xZm2 y = S(x)
x Zm2 y =S(x)
y = y y
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m
m
xZm2 y = S(x)
x Zm2 y =S(x)
y = y y
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N r= N k+ N b + 2
Nr
Nk
32
Nb
M
Nb = 4
Nr
M
GF(28) M
Mi,j1 (x8 + x4 + x3 + x + 1)
Mi,j
GF(2)
i= i (i+4)%8 (i+5)%8 (i+6)%8 (i+7)%8 ci
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0i
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SubBytes(Mij ) M
ij ShiftRows(j)
j
M
ShiftRows
CShiftRows(i) = SubBytes(M9i) K10ShiftRows(i),
i {0,..., 15}
ej
j
M9
D
DShiftRows(j)=SubBytes(M9
j ej) K10ShiftRows(j)
i {0, ..., 15} i=j
D
DShiftRows(i) = SubBytes(M9i) K10ShiftRows(i)
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i
M9
CShiftRow(i) DShiftRow(i)= 0
M9j
CShiftRow(j) DShiftRow(j)=SubByte(M9j) SubByte(M9j ej)
ShiftRow(j)
C
D
j
M9j ej
M9j M9
j
ej
M9j
M9
C
M9j K10
K10
K
M9j 8 28
x
ej
(x, ej) M
9j
, ej M
9j
A
B
M9j
P(A B =) =P(|A B|= 0) =
25513
2551313
25513
2 50%
C
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M9j
P3 = P(A B C=)= P(|A B C|= 0)
=min{|A|,|B|}
k=0
P(|A B|= k, |A B C|= 0)
=13
k=0
P(|A B|= k) P(|A B C/|A B|= k)
=13
k=0
25513
13k
2551313k
25513
2
255k
255k13
255
k
25513
97%
M
K10
M
M
9
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M
C=M ixColumns(ShiftRows(SubBytes(M9))) K10
M9j
M9
SubByte
2128
M9
CShiftRow(j) DShiftRow(j)=SubByte(M9j) SubByte(M9j ej )
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K10
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f :{0, 1}N {0, 1}M
N
M
N > M
f
N < M
N=M
f
N=
M G= (V, E)
V ={x1, x2,...,xn} E (xi, xj) n
128
i
xi mod 128
i
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i
xi mod 128
i
x(i129) mod 128
i
i
x(i129) mod 128
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chave[n] {0, 1}n pi
byte
y
j1
n
xp mod n= 1
bytexp mod 128(byte)
pp + 1
chave[n] {0, 1}n
pi
bytey
j1 n
x(p129) mod n = 1
bytex(p129) mod 128(byte)
pp 1
2128
2128
xi
0.5
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xi xj
(xi, xj)
12|ji|
|log2 12|ji| | 1
2128
2127
x
128
y
f(x)
hamming
x
ni= 128!
i! (128 i)! 0< i128
ni i
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= 64
=
32
GF(2n)
GF(2n) GF(2n) x >>> 1 {1, 2, 3, 0, 5, 6, 7, 4} {, , , , 0, 1, 2, 3} {0, 0, 0, 1, 1, 0, 1, 1} {51 31} {31 56} x >>> 2 {1, 6, 5, 2, 0, 7, 3, 4} {, 5, 6, , 0, , , 3} {0, 1, 0, 1, 1, 1, 0, 1} {51 32} {32 51} x >>> 3 {3, 7, 0, 5, 6, 4, 2, 1} {, 0, 3, , , 4, 7, } {1, 1, 0, 1, 1, 0, 1, 1} {52 31} {32 52} x >>> 4 {5, 3, 7, 1, 6, 0, 4, 2} {, , 0, 1, 6, 7,, } {1, 1, 1, 1, 0, 0, 1, 1} {52 32} {32 53} x >>> 5 {7, 4, 1, 6, 2, 3, 0, 5} {, , 1, 0, , , 5, 4} {1, 0, 1, 1, 0, 0, 0, 1} {53 31} {32 54}
x >>> 6
{1, 5, 6, 4, 3, 2, 7, 0}
{1, , 3, , 5, , 7, }
{1, 1, 0, 1, 0, 1, 0, 1}
{53 32}
{32 55} x >>> 7 {2, 6, 4, 0, 1, 7, 5, 3} {3, 2,, , 7, 6,, } {1, 0, 1, 1, 1, 1, 0, 1} {54 31} {32 56} x
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{10, 21, 32, 03, 54, 65, 76, 47}
x
y
xy
y
{, , , , 0, 1, 2, 3}
yi = xi
y4 =x0 x4
y5=x1 x5 y6 = x2 x6 y7=x3 x7
{0, 0, 0, 1, 1, 0, 1, 1} y0=x0 0 y1=x1 0 y2 = x2 0 y3 = x3 1 y4=x4 1 y5=x5 0 y6=x6 1 y7=x7 1
{31 = x3 +x+ 1} {32 = x3 +x2 + 1} {41 = x4 +x+ 1} {42 = x4 +x3 + 1} {43 =x4 +x3 +x2 +x+ 1} {51 =x5 +x2 + 1} {52 =x5 +x3 + 1} {53 =x5 +x3 +x2 + 1}{54=x5 + x4 + x2 + x + 1} {55=x5 + x4 + x3 + x + 1} {56 = x5 + x4 + x3 + x2 + 1}
{81=x
8 + x4 + x3 + x + 1
}
97
128
128
8
16
32
{81}
16
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GF(2n)
GF(28)
v0 = I8 v16 = RC v32 = X C v48 = I N v64 = RC v80 = I N v96 = RC v112 = RCv1 = P B v17 = I8 v33 = I N v49 = I8 v65 = I N v81 = I8 v97 = I N v113 = I Nv2 = X C v18 = I N v34 = X B v50 = X B v66 = P B v82 = X C v98 = I8 v114 = I8v3 = I N v19 = X C v35 = I8 v51 = RC v67 = I8 v83 = P B v99 = X B v115 = P Bv4 = I N v20 = P B v36 = RC v52 = I N v68 = X B v84 = RC v100 = I N v116 = X Cv5 = RC v21 = X B v37 = X C v53 = I8 v69 = I N v85 = I N v101 = P B v117 = X Bv6 = X B v22 = I8 v38 = I N v54 = P B v70 = X C v86 = I8 v102 = X C v118 = I8v7 = I8 v23 = P B v39 = I8 v55 = I N v71 = I8 v87 = X B v103 = I8 v119 = I Nv8 = X C v24 = I N v40 = I N v56 = X C v72 = P B v88 = I N v104 = RC v120 = X Bv9 = I N v25 = RC v41 = P B v57 = I8 v73 = I N v89 = RC v105 = I N v121 = I Nv10 = I8 v26 = I8 v42 = RC v58 = P B v74 = I8 v90 = I8 v106 = X C v122 = I8v11 = I N v27 = X B v43 = I8 v59 = RC v75 = X B v91 = X B v107 = P B v123 = I Nv12 = P B v28 = I N v44 = X B v60 = I N v76 = I N v92 = P B v108 = I8 v124 = X Cv13 = I8 v29 = X C v45 = I N v61 = X B v77 = RC v93 = X C v109 = X B v125 = P Bv14 = X B v30 = I N v46 = I8 v62 = X C v78 = I8 v94 = I N v110 = I N v126 = I8v15 = X C v31 = I8 v47 = P B v63 = I8 v79 = X C v95 = I8 v111 = I8 v127 = I N
32
No
RC 2P B 2XB 2XC 2IN 4I8 4
RC
XC
IN
RC
3
XC
5
IN
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v0 = f97 v16 = f7 v32 = f61 v48 = f95 v64 = f10 v80 = f84 v96 = f2 v112 = f6v1 = f15 v17 = f97 v33 = f96 v49 = f97 v65 = f75 v81 = f97 v97 = f79 v113 = f80v2 = f47 v18 = f78 v34 = f35 v50 = f37 v66 = f22 v82 = f63 v98 = f97 v114 = f97v3 = f64 v19 = f62 v35 = f97 v51 = f4 v67 = f97 v83 = f23 v99 = f43 v115 = f25v4 = f67 v20 = f21 v36 = f9 v52 = f70 v68 = f39 v84 = f3 v100 = f88 v116 = f48v5 = f8 v21 = f33 v37 = f51 v53 = f97 v69 = f90 v85 = f94 v101 = f18 v117 = f45v6 = f31 v22 = f97 v38 = f77 v54 = f27 v70 = f49 v86 = f97 v102 = f55 v118 = f97v7 = f97 v23 = f19 v39 = f97 v55 = f65 v71 = f97 v87 = f41 v103 = f97 v119 = f92v8 = f52 v24 = f93 v40 = f74 v56 = f53 v72 = f28 v88 = f66 v104 = f13 v120 = f46v9 = f81 v25 = f11 v41 = f17 v57 = f97 v73 = f86 v89 = f1 v105 = f68 v121 = f82v10 = f97 v26 = f97 v42 = f12 v58 = f20 v74 = f97 v90 = f97 v106 = f54 v122 = f97v11 = f91 v27 = f34 v43 = f97 v59 = f5 v75 = f40 v91 = f42 v107 = f16 v123 = f83v12 = f24 v28 = f72 v44 = f36 v60 = f89 v76 = f76 v92 = f26 v108 = f97 v124 = f60v13 = f97 v29 = f59 v45 = f87 v61 = f38 v77 = f14 v93 = f57 v109 = f44 v125 = f29v14 = f32 v30 = f71 v46 = f97 v62 = f50 v78 = f97 v94 = f73 v110 = f85 v126 = f97v15 = f56 v31 = f97 v47 = f30 v63 = f97 v79 = f58 v95 = f97 v111 = f97 v127 = f69
10 116 132 148 064 080 096 111201 017 133 049 165 081 197 111302 118 034 050 066 182 098 011413 119 135 151 067 183 199 111514 120 136 052 068 084 0100 011605 021 137 153 069 085 1101 111706 022 138 154 070 186 0102 0118
07 123 139 155 071 187 1103 111918 024 040 156 072 188 0104 012019 025 041 157 073 089 0105 0121110 126 042 158 174 090 0106 0122111 127 143 159 075 091 0107 0123012 028 044 060 076 092 1108 0124013 129 145 061 177 093 1109 1125014 130 046 162 078 194 0110 1126115 031 147 063 079 095 0111 0127
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v0 = f97 v16 = f7 v32 = f61 v48 = f95 v64 = f10 v80 = f84 v96 = f2 v112= f6v1 = f15 v17 = f97 v33 = f96 v49 = f97 v65 = f75 v81 = f97 v97 = f79 v113= f80v2 = f47 v18 = f78 v34 = f35 v50 = f37 v66 = f22 v82 = f63 v98 = f97 v114= f97v3 = f64 v19 = f62 v35 = f97 v51 = f4 v67 = f97 v83 = f23 v99 = f43 v115= f25v4 = f67 v20 = f21 v36 = f9 v52 = f70 v68 = f39 v84 = f3 v100= f88 v116= f48v
5= f
8 v
21= f
33 v
37= f
51 v
53= f
97 v
69= f
90 v
85= f
94 v
101= f
18 v
117= f
45v6 = f31 v22 = f97 v38 = f77 v54 = f27 v70 = f49 v86 = f97 v102= f55 v118= f97v7 = f97 v23 = f19 v39 = f97 v55 = f65 v71 = f97 v87 = f41 v103= f97 v119= f92v8 = f52 v24 = f93 v40 = f74 v56 = f53 v72 = f28 v88 = f66 v104= f13 v120= f46v9 = f81 v25 = f11 v41 = f17 v57 = f97 v73 = f86 v89 = f1 v105= f68 v121= f82v10 = f97 v26 = f97 v42 = f12 v58 = f20 v74 = f97 v90 = f97 v106= f54 v122= f97v11 = f91 v27 = f34 v43 = f97 v59 = f5 v75 = f40 v91 = f42 v107= f16 v123= f83v12 = f24 v28 = f72 v44 = f36 v60 = f89 v76 = f76 v92 = f26 v108= f97 v124= f60v13 = f97 v29 = f59 v45 = f87 v61 = f38 v77 = f14 v93 = f57 v109= f44 v125= f29v14 = f32 v30 = f71 v46 = f97 v62 = f50 v78 = f97 v94 = f73 v110= f85 v126= f97v15 = f56 v31 = f97 v47 = f30 v63 = f97 v79 = f58 v95 = f97 v111= f97 v127= f69
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2
128
70%
n
106
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n= 128
n= 128
M= 20
n= 128
n= 128
n= 106
M= 8 Q= 8
n= 128
n= 106
N= 8
B = 101010101
n= 106
N= 8
B = 101010101
n= 106
L= 10
Q= 2048
n= 106
M= 5000
n= 106
m= 16
n= 106
m= 16
n= 128 n= 106
n= 106
106
= 64
=
32
f(x) : Vn2 V2
f(x) :Vn2 Vn2
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106
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i
x
xi y =f(x)
y =f(xi) y =y yi
i
x
xi y= f(x) y
=f(xi)
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y = y yi
32896
0.3
i
x
xi
y = f(x)
y
= f(xi)
y =y yi
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i
x
xi
y = f(x)
y =f(xi) y =y yi
Mnxm
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n
m
Mnxm
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O(2n)
n
O(2128)
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n
n
K
n r
r
k
n r
n r
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n
2
n
2
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w[n] {0, 1}n
N k(n/4) 7
in 1 Nk
i%N k= 0
w[i Nk]w[i] subWord(rotWord(w[i 1])) rcon[(i/Nk) 1]
(Nk >6) (i%Nk= 4)
w[i Nk]w[i] subWord(w[i 1])
w[i Nk]w[i] w[i 1]
ii 1
w
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2128
w[Nb (Nr+ 1)] {0, 1}n
k[4
Nk]
v[32 Nk] {0, 1}
c0xb7e15163
i0
i < Nk
w[i]word(k[4 i], k[4 i + 1], k[4 i + 2], k[4 i + 3])
v[i]word(k[4 i], k[4 i + 1], k[4 i + 2], k[4 i + 3]) c ii + 1
iN k
i < Nb (Nr+ 1)
tempw[i 1]
i%N k= 0
tempsubWorddinamica(rotWord(temp), v) rcon[(i/Nk)]
(Nk >6) (i%Nk= 4)
temp
subWorddinamica(temp, v)
w[i]w[i N k] temp
ii + 1
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
73/117
{0, ...., 128}
= 64
= 5, 656854249
+
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
74/117
106
106
10
6
106
106
106
= 5 105 = 500
+
0.6640625
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
75/117
H0
H1
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
76/117
H0 H0
H0
H1
= 0.01
valorp0.01
99%
valor p
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
77/117
n
n
n
i
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
78/117
n= 128
n= 128
M= 20
n= 128
n= 128
n= 106
M= 8 Q= 8
n= 128
n= 106
N= 8
B = 101010101
n= 106
N= 8
B = 101010101
n= 106
L= 10
Q= 2048
n= 106
M= 5000
n= 106
m= 16
n= 106
m= 16
n= 128 n= 106
n= 106
n/2
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
79/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
80/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
81/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
82/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
83/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
84/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
85/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
86/117
G(V, E)
V =x1, x2,...,xn E
(xi, xj)
G
x1,...,xk (xi, xi+1)E(G) 1ik 1 k >1
O(n2)
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
87/117
k1
k2 k3
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
88/117
1k1 7k1 1k2 1k3 2k1 8k1 2k2 2k3
3k1 9k1 3k2 3k3 4k1 4k2 4k3
5k1
5k2
5k3 6k1 6k2 6k3
7k2 7k3 8k2 8k3 9k2 9k3
10k2 10k3 10k1
=
=CH
CR
=
=CH
CI
v
grau(v)
v
grau(v) = 0
v
grau(v) = n 1
v
n
n 1
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
89/117
k1 k2
k1
k2
doc1
k2
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
90/117
X1,...,Xn n p(X1),...,p(Xn) n
i=i
p(Xi) = 1
H(X) =
ni=1
p(Xi)log21
p(Xi)
n= 128
2n
X1,...,X2n
p(Xi) =
12n
i= 1,..., 2n
H(X) = 128
H(X) = 2n
12n log22
n
p(Xi) =
y
tCnk =
y
t n!k!(nk)!
y
k
t
Cnk k 2n
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
91/117
H(X) = 122.1
H(X) = 127.89
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
92/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
93/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
94/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
95/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
96/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
97/117
2n
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
98/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
99/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
100/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
101/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
102/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
103/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
104/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
105/117
0, 193548387
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
106/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
107/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
108/117
n/2
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
109/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
110/117
2128
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
111/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
112/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
113/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
114/117
1o
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
115/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
116/117
-
7/24/2019 Mestrado - 2011 - Renato_Hidaka
117/117
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