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.
Specify key size for the Blowfish?
The competition matrix is a term used while talking about strategy development, first used by Michael E. Porter 1983. They tell about product politics in marketing for individual business fields of an enterprise to gain competition advantage. In this,
Specify the kinds of cryptanalytic attacks.
Google click fraud: It is a type of internet crime which occurs in pay per click online advertising while a person, automated script, or computer program imitates legitimate user of any web browser clicking on an ad, for producing a charge per click w
Specify the key algorithms which are used in the S/MIME?
List the potential situations for confidentiality attacks for the user workstations in the typical business environment.
Explain why it is not desirable to reuse the stream cipher key?
State the various elements of MIME?
What is meant by the term Add Round Key.
Explain the primitive operations which are used in the RC5?
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