Ppt Pdf Cryptography Cipher Cryptography. bai514 – security i. cryptography. the art and science of hiding the meaning of a communication from unintended recipients comes from the greek kryptos – hidden graphein – to write an attacker may be able to decipher or decode a message using a variety techniques. Title: cryptography 1 cryptography overview symmetric key cryptography public key cryptography message integrity and digital signatures references stallings kurose and ross network security private communication in a public world, kaufman, perlman, speciner 2 cryptography issues confidentiality only sender, intended receiver should understand message contents sender encrypts message receiver.
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