Cryptography Reference
In-Depth Information
Diagram 3.3 The S-DES Decryption Flow Chart
input:
c
=(
c
1
c
2
c
3
c
4
c
5
c
6
c
7
c
8
)
IP
c
2
c
6
c
3
c
1
c
4
c
8
c
5
c
7
F
(
c
4
c
8
c
5
c
7
,k
1
)
✄
✂
✁
+
←
m
4
m
8
m
5
m
7
c
4
c
8
c
5
c
7
SW
c
4
c
8
c
5
c
7
m
4
m
8
m
5
m
7
F
(
m
4
m
8
m
5
m
7
,k
1
)
✄
✂
✁
+
←
m
2
m
6
m
3
m
1
m
4
m
8
m
5
m
7
IP
−
1
output:
m
=(
m
1
m
2
m
3
m
4
m
5
m
6
m
7
m
8
)
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