Substitution vs. Transposition Ciphers: Key Differences in Symmetric Cryptography 🔐

Substitution Cipher versus Transposition Cipher| Symmetric Cipher | Cryptography
Topics :
1) Basic building blocks of symmetric key cipher
2) Substitution Cipher and Transposition Cipher
3) Monoalphabetic Substitution Cipher and Polyalphabetic Substitution Cipher.
4) One to One and One to Many Mapping
5) Need of Polyalphabetic Substitution Cipher
6) Advantage of Polyalphabetic Substitution Cipher over Monoalphabetic Substitution Cipher.

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Timeline:
01:12-Symmetric Cipher
02:50 – Basic building blocks of symmetric cipher
03:01– Substitution cipher versus Transposition cipher
06:32 – Substitution cipher
08:56 – Types of Substitution cipher
09:52 – Monoalphabetic versus Polyalphabetic cipher
11:55 – One to one mapping
11:55 – One to many mapping
12:51 – Need of polyalphabetic cipher
13:22 – Advantage of polyalphabetic cipher over monoalphabetic cipher
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#networksecurity #cryptography #encryption #decryption #cybersecurity

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Resources:
Video recording and editing : Active Presenter