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Applied Cryptography (Public key)

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Network Security

Network Security. Confidentiality Using Symmetric Encryption.

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Cryptography and Network Security

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Confidentiality Using Symmetric Encryption

Confidentiality Using Symmetric Encryption. Confidentiality using Symmetric Encryption. traditionally symmetric encryption is used to provide message confidentiality consider typical scenario workstations on LANs access other workstations & servers on LAN

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Stream cipher diagram

Stream cipher diagram. +. +. Recall: One-time pad in Chap. 2. Advantage of stream cipher. With proper design of PRNG, stream cipher is as secure as block cipher of comparable key length (?) Stream cipher is faster than block cipher. Disadvantage of stream cipher.

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