Master CBC Mode in Symmetric Encryption for Security+ 🛡️

Cipher Block Chaining (CBC) is a block cipher mode of operation used in symmetric key encryption algorithms. It operates on fixed-size blocks of data and introduces a chaining mechanism to enhance security. In CBC mode, each block of plaintext is XORed with the previous ciphertext block before encryption, creating a dependency between blocks.

For the Security+ exam, understanding Cipher Block Chaining is relevant in the context of symmetric key encryption, confidentiality, and the secure transmission of data.  



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