Concepts like Plaintext (original message), Ciphertext (scrambled message), and Keys (scrambling rules). Symmetric vs. Asymmetric Cryptography:
A method for two parties to agree on a secret key over an insecure channel. cryptography and network security atul kahate ppt
Classified into Passive Attacks (monitoring/eavesdropping) and Active Attacks (modification of data, fabrication, or interruption). Concepts like Plaintext (original message)