no need explanation, just need answer: A symmetric key block cipher adopted by NIST as the U.S. federal crypto standard in 2001 is ___________. DES Triple DES RSA AES A cipher mode of operations that operates on one bit or byte at a time is called ___________. block stream chain feedback

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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no need explanation, just need answer:

A symmetric key block cipher adopted by NIST as the U.S. federal crypto standard in 2001 is ___________.

  1. DES
  2. Triple DES
  3. RSA
  4. AES

A cipher mode of operations that operates on one bit or byte at a time is called ___________.

  1. block
  2. stream
  3. chain
  4. feedback
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