cryptography protects the meaning or content of files and messages by means of all of the following EXCEPT which one?

Database System Concepts
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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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cryptography protects the meaning or content of files and messages by means of all of the following EXCEPT which one?

 

A O Transforming the meaning and content of something into a unique value
B
с
D
O
O
Digitally signing files and messages to authenticate senders
Obscuring the meaning by misdirection, concealment, or deception
O Obscuring the meaning by making it difficult or impossible for unauthorized users to access, view, copy, or change it
Transcribed Image Text:A O Transforming the meaning and content of something into a unique value B с D O O Digitally signing files and messages to authenticate senders Obscuring the meaning by misdirection, concealment, or deception O Obscuring the meaning by making it difficult or impossible for unauthorized users to access, view, copy, or change it
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