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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:

Distant Future

A period of time that is significantly far ahead from the present moment.

Logrolling

In politics, the practice of exchanging favors, especially in legislative bodies, by reciprocal voting for each other's proposed legislation.

Special Interest Groups

Organizations that advocate for the particular interests of their members, often in political and policy-making contexts.

Campaign Contributions

Money given to political campaigns to support candidates or political policies, often subject to legal limits and reporting requirements.

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