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.
Question 4 - You have been asked to design an IP addressing plan for a medium size corporation, Corporation (X) converting to an IP network. The corporation currently has 88 locations but plans to expand to approximately 100 Locations within the next year. Each location should have a user network
SSID (Service set id): SSID is an identifier of the users of the network. SSID acts as a password and it is of 32 characters. The users in the particular network need to know the SSID. Since only users have the 32 SSID, the attackers cannot access the
Suppose you worked for a US- based company that wanted to develop its own MIB for managing a product line. Where in the object identifier tree would it be registered? ( Hint: You’ll have to do some digging through RFCs or other documents to answer this question.)
Explain how the S-box is constructed?
Specify various function areas of the IP security?
Specify the services which are offered by the PGP services?
Explain difference between the Sub Word and Sub Bytes?
Explain what is meant by versioned certificate?
List the potential situations for confidentiality attacks for the user workstations in the typical business environment.
Explain the term Computer crime and what are the Suggestion to stop them ?
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