D. Keyed Columnar Permutation - Encode and Decode message using TRANSPOSITION key "MIXUP: Length of message: 28: Length of key: 5; Rows used: 5.6 Message: PERMUTATIONS ARE TRANSPOSITIONS Key: MIXUP ENCODE THE MESSAGE: DECODE THE MESSAGE: Thinking about it E. How are characters encoded/decoded differently from the other ciphers covered in class (Shift Ciphers, Permutation, and Vigenere)? PlayFair vs. Shift Ciphers: PlayFair vs: Permutation:
D. Keyed Columnar Permutation - Encode and Decode message using TRANSPOSITION key "MIXUP: Length of message: 28: Length of key: 5; Rows used: 5.6 Message: PERMUTATIONS ARE TRANSPOSITIONS Key: MIXUP ENCODE THE MESSAGE: DECODE THE MESSAGE: Thinking about it E. How are characters encoded/decoded differently from the other ciphers covered in class (Shift Ciphers, Permutation, and Vigenere)? PlayFair vs. Shift Ciphers: PlayFair vs: Permutation:
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
Please solve the rest of down from D-E parts only
type your answer under question please.
thanks
Transcribed Image Text:PlayFair Cipher
A. Playfair - Encode: Use Playfair to Encode the message using a 5x5 matrix based on the key "LONG PASSWORD" (remember to use unique characters only)
1.
P: PLAYFAIR MESSAGE
K: LONG PASSWORD= LONGPASWRD
L
A
B
1/J
U
O N G
P
S
W
R
D
C E
F H
M
Q
T
X Y Z
K
V
B. Use Playfair to Decode the message using the same matrix from the previous problem. Use X for padding, if necessary.
Ciphertext: GNRXLVQAOWMNBMMZ
Key: LONG PASSWORD= LONGPASWRD
Permutation
C. Simple Permutations - Encode message using TRANSPOSITION key "2,1,5,4,3":
Message: PERMUTATIONS ARE TRANSPOSITIONS
D.
Keyed Columnar Permutation - Encode and Decode message using TRANSPOSITION key "MIXUP:
Length of message: 28: Length of key: 5: Rows used: 5.6
Message: PERMUTATIONS ARE TRANSPOSITIONS
Key: MIXUP
ENCODE THE MESSAGE:
DECODE THE MESSAGE:
Thinking about it
E. How are characters encoded/decoded differently from the other ciphers covered in class (Shift Ciphers, Permutation, and Vigenere)?
PlayFair vs. Shift Ciphers:
PlayFair vs: Permutation:
PlayFair vs. Vigenere:
Expert Solution
Step 1
Encryption:
Encryption is used to protect information from hacking.
Encryption techniques are
- Symmetric encryption
- Asymmetric encryption
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