Cryptography Reference
In-Depth Information
Diagram 3.5 Blowfish Decryption
Ciphertext (64 bits)
↓
L
(
d
)
0
(32 bits)
R
(
d
)
0
(32 bits)
L
(
d
)
0
R
(
d
)
0
P
18
→
✄
✁
+
Roun
d
1
✂
✄
✂
✁
F
→
✄
✁
R
(
d
)
1
−−−−→
+
✂
↓
R
(
d
)
1
L
(
d
)
1
L
(
d
)
1
R
(
d
)
1
.
.
.
.
.
.
P
3
→
✄
✁
+
Round
1
6
✂
✄
✂
✁
F
→
✄
✁
R
(
d
)
16
−−−−→
+
↓
✂
R
(
d
)
16
L
(
d
)
16
L
(
d
)
16
R
(
d
)
16
R
(
d
)
16
L
(
d
)
16
✄
✂
✁
✄
✂
✁
P
1
→
+
+
←
P
2
L
(
d
)
17
R
(
d
)
17
Plaintext (64 bits)
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