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Five Modes of Operation Have Been Standardized by NIST for Use

question 39

Essay

Five modes of operation have been standardized by NIST for use with symmetric block ciphers such as DES and AES: electronic codebook mode,cipher block chaining mode,cipher feedback mode,__________,and counter mode.


Definitions:

Tax

A necessary financial assessment or some other type of taxation levied upon a taxpayer by a government entity, intended to fund the expenditure of government and various allotments for public services.

Consumer Surplus

The distance between the total consumers are ready to contribute financially to a good or service and what they eventually pay.

Deadweight Loss

A shortfall in economic optimization that occurs when the balance for a good or service is missed or impossible to hit.

Tax

A compulsory financial charge or levy imposed by a government on individuals or entities to fund public expenditure.

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