Cipher - a method of hiding words or text with encryption by replacing
original letters with other letters, numbers, and symbols through either
substitution or transposition. A cipher often enables private
communication and is often used in email, so that if an encrypted
message is intercepted by an unauthorized user, the message cannot be
read. (1)
The basic explanation to understanding a block cipher vs stream cipher. One only has to think
of encrypting a Manual. Imagine you’re encrypting a book.One can start by encrypting one
