An excerpt from Secret Key Cryptography by Frank Rubin

This article covers:

•       Basic terms used in cryptography

•       What is an unbreakable cipher?

•       What are the different types of cryptography?

Read it if you’re interested in cryptography.

From Secret Key Cryptography by Frank Rubin

This article covers:

·  The rating system used for ciphers

·  Substitution ciphers

·  Transposition ciphers

·  Fractionation, breaking letters into smaller units

·  Pseudorandom number generators