Cryptographic Systems
What are Cryptographic Systems?
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Confidentiality has always been the major goal of cryptography. However, today much more is expected, namely - authentication, integrity, and non-repudiation. Cryptographic systems have evolved as a packaged set of countermeasures for protecting dialogues.
Cryptographic systems typically include the following for each dialog:
handshaking stage 1 - initial negotiation of security parameters for the chosen cipher suitehandshaking stage 2 - mutual authenticationhandshaking stage 3 - secure exchange of keys and other secretsongoing communication stage - message by message
Two important cryptographic systems are IPSec and SSL.
What kind of Hardware is required to build a Wireless Network?
Wireless Information Security System: In any wireless network only secure authorized usage should be given and the company should make sure o putting the best practices into use. The access points should not be given access without putting it through
Explain difference between the Sub Word and Sub Bytes?
Explain the term hash function?
Explain the term Shift Rows.
Explain difference between the Rot Word and Shift Rows?
What are the types of attacks you think are addressed by message authentication? Why?
Explain the key distribution center?
WEP (wired equivalent privacy): Wired equivalent privacy is capable of providing the same level of privacy as it is there in the wired network. The WEP makes use of a static key which both the access points and the clients know. The static key helps i
In the context of Kerberos, what is meant by the term realm?
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