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.

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Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and sugar metabolism.

Dementia

A broad category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember, affecting daily functioning.

Cognitive Processes

Mental activities involved in acquiring knowledge and understanding through thought, experience, and the senses.

Parkinson's Disease

A neurodegenerative disorder characterized by motor symptoms such as tremors, stiffness, and bradykinesia, as well as non-motor symptoms.