Categories of Encryption Methods | Networking | Computers

Encryption methods have historically been of two categories, namely, substitution ciphers and trans­position ciphers. We discuss them below. Category # 1. Substitution Ciphers: While the above would be a simple method of coding—based on the belief that the enemy could not decipher the Navajo tongue—variations of this method was used in substitution ciphers. In this method (sometimes known as a [...]