The Basic Terminology
Let's look at the basic terminology related to cryptography:
Cipher: An algorithm that performs a particular cryptographic function.
Plain text: The plain data, which can be a text file, a video, a bitmap, or a digitized voice. In this chapter, we will represent plain text as P.
Cipher text: The scrambled text that is obtained after applying cryptography to the plain text. In this chapter, we will represent this as C.
Cipher suite: A set or suite of cryptographic software components. When two separate nodes want to exchange messages using cryptography, they first need to agree on a cipher suite. This is important in ensuring that they use exactly the same implementation of the cryptographic functions.
Encryption: The ...
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