AEncrypt the file using the private key of the creator, and make sure all legitimate users can find the corresponding public key BD Digitally sign the file, as is done with software patch files, device driver executables, and so forth CUse an encrypting hash to produce a message digest; even a single bit change in the file will cause a subsequent message digest to be different, indicating a loss of integrity. DOUse pervasive encryption techniques to secure the file contents at rest, in motion, and in use.
AEncrypt the file using the private key of the creator, and make sure all legitimate users can find the corresponding public key BD Digitally sign the file, as is done with software patch files, device driver executables, and so forth CUse an encrypting hash to produce a message digest; even a single bit change in the file will cause a subsequent message digest to be different, indicating a loss of integrity. DOUse pervasive encryption techniques to secure the file contents at rest, in motion, and in use.
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
Section: Chapter Questions
Problem 1PE
Related questions
Question
how would you use cryptographic techniques to protect the integrity of data in a file if you do not require its content to remain confidential? ( choose all that apply)
Transcribed Image Text:A
B
с
D
0
0
Encrypt the file using the private key of the creator, and make sure all legitimate users can find the corresponding public key
Digitally sign the file, as is done with software patch files, device driver executables, and so forth
Use an encrypting hash to produce a message digest; even a single bit change in the file will cause a subsequent message digest to be different,
indicating a loss of integrity.
Use pervasive encryption techniques to secure the file contents at rest, in motion, and in use.
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