Substitution Cipher versus Transposition Cipher| Symmetric Cipher | 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. ---------------------------------------------------------------------------------------------------------------------------------- If you like my video contents, please LIKE, COMMENT, SUBSCRIBE & SHARE with your friends. -------------------------------------------------------------------------------------------------------------- Check out our other video on our channel page : https://www.youtube.com/playlist?list=PLSGp7gYf0VqIZQXq_t9CXjsJuNdyDqJEM ---------------------------------------------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------------------------------------------- #networksecurity #cryptography #encryption #decryption #cybersecurity ---------------------------------------------------------------------------------------------------------------------------------------------------------- Resources: Video recording and editing : Active Presenter