Ppt Pdf Cryptography Cipher Cryptography. ( based on lecture slides by john mitchell ). outline. symmetric encryption block encryption algorithms stream ciphers block cipher modes of operations. symmetric encryption. or conventional private key single key sender and recipient share a common key slideshow 5785352 by. 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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