Substitution Cipher Technique

1. Substitution Cipher Technique

Caesar Cipher Monoalphabetic Cipher Polyalphabetic Cipher Playfair Cipher Hill Cipher One-time Pad...

2. Transposition Cipher Technique

The techniques which come under this division are as follows –...

Types of Monoalphabetic Substitution Ciphers

Additive Cipher...

How Does Monoalphabetic Cipher Work?

Let us understand how this cipher technique works with an example, let us suppose the mapping of plaintext using the table below....

Advantages of Monoalphabetic Cipher

Better Security than Caesar Cipher. Provides Encryption and Decryption to data. Monoalphabetic Cipher maintains a frequency of letters....

Disadvantages of Monoalphabetic Cipher

Monoalphabetic ciphers are easy to break because they reflect the frequency data of the original alphabet. Prone to guessing attack using the English letters frequency of occurrence of letters. The English Language is used so the nature of plain text is known. Less secure than a polyalphabetic cipher....

Conclusion

Monoalphabetic cipher is a better cipher technique than Caesar cipher. Since the monoalphabetic cipher is easy to guess using the English letter, a countermeasure is to provide multiple substitutes known as homophones for a single letter....

Frequently Asked Questions on Monoalphabetic Cipher – FAQs

Advantages Of Monoalphabetic Cipher over Caesar Cipher...