Reasons for using PGP
Specify the reasons for using the PGP?
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a) It is available free worldwide in different versions which run upon several platforms, involving DOS/windows, UNIX, Macintosh.
b) It is based upon the algorithms which have survived the extensive public review and are regarded as really secure. For example: DSS, RSA and Diffie-Hellman for public key encryption, IDEA, 3DES for the conventional encryption, SHA-1for the hash coding.
c) It consists of the wide range of applicability from the corporations which wish to select and implement a standardized scheme for encrypting the files and communication.
d) It was not designed by nor is it controlled by any of the governmental or the standards organization.
State the difference between end-to-end encryption and link?
Explain the term power analysis?
Specify the important ingredients of the symmetric cipher?
Explain the term Kerberos.
What is meant by the term Add Round Key.
Explain the Key Expansion Algorithm.
Define the term Threat Statement and what are their consequences?
Define: a) Mono-alphabetic cipher b) Playfair cipher c) Transposition cipher
Specify the services which are offered by the PGP services?
A) Provide a specific illustration of how inference control might be implemented in the database.B) For a public-key encryption system (like PGP), list some areas for and against utilizing the similar key pair for both encryption and signature.
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