Difference between Substitution Cipher and Transposition Cipher | Substitution vs Transposition

Chirag Bhalodia
Chirag Bhalodia
17.1 هزار بار بازدید - 4 سال پیش - Difference between Substitution Cipher and
Difference between Substitution Cipher and Transposition Cipher | Substitution vs Transposition

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There are basically two types of symmetric cipher: Substitution Cipher, Transposition Cipher.

Substitution Cipher: A substitution is a technique in which each letter or bit of the plaintext is substituted or replaced by some other letter, number or symbol to produce cipher text. For Example, ABC ⟹ XYZ.
Types of Substitution Cipher: Caesar Cipher, Monoalphabetic Cipher, Vigenère Cipher, Playfair Cipher, One time pad cipher (Vernam cipher), Hill Cipher.

Transposition Cipher: In transposition technique, there is no replacement of alphabets or numbers occurs instead their positions are changed or reordering of position of plain text is done to produce cipher text. For Example, ABCDE  ⟹  BADEC.
Types of Transposition Cipher: Rail Fence Cipher, Columnar Transposition Cipher.

The Columnar Transposition Cipher is a form of transposition cipher in which plain text represent in matrix form. Columnar Transposition involves writing the plaintext out in rows, and then reading the ciphertext off in columns one by one.

In this video, I have explained difference between Subsctituion Cipher and Transpositon cipher in Network Security.
Difference between Substituion and Transposition Cipher
Substituion vs Transposition Cipher
Transposition vs Substitution Cipher
Which one is more secure, transposition or substitution cipher?

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Check out our other video on our channel page

Caesar Cipher:
Caesar Cipher in network security | S...

Monoalphabetic Cipher:
Monoalphabetic Cipher (Network Security)

Playfair Cipher:
Playfair Cipher in network security |...

Vigenere Cipher:
Vigenere Cipher (Polyalphabetic Ciphe...

Hill Cipher:
Hill Cipher Encryption and Decryption...

One Time Pad Cipher:
One time pad Cipher (Vernam Cipher) |...

Rail fence cipher/Zigzag cipher:
Rail fence Cipher in network Security...

Columnar Transposition Cipher:
Columnar Transposition Cipher (Networ...

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