(i) What are the two processes depicted in the following two figures - Figure A and Figure B. (li) Identify the differences between the two Figure A Source A Destination B Compare K Figure B Bob Alice Message M Message M Message Message adessay

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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(i) What are the two processes depicted in the
following two figures - Figure A and Figure B.
(li) Identify the differences between the two
Figure A
Source A
Destination B
Compare
Figure B
Bob
Alice
Message M
Message M
Cryptographik
hash
Cryptographic
hash
function
fune tion
Bob's
Bob's
private
key
h
public
key
Digital
signature
gener ation
algorithm
Digital
signature
verification
algorithm
Retura
signature valid
or not valid
Message M
Bob's
signature
for M
(a) Bob signs a message
(6) Alice verifies the signature
-E- Message
Message
adess
一
Transcribed Image Text:(i) What are the two processes depicted in the following two figures - Figure A and Figure B. (li) Identify the differences between the two Figure A Source A Destination B Compare Figure B Bob Alice Message M Message M Cryptographik hash Cryptographic hash function fune tion Bob's Bob's private key h public key Digital signature gener ation algorithm Digital signature verification algorithm Retura signature valid or not valid Message M Bob's signature for M (a) Bob signs a message (6) Alice verifies the signature -E- Message Message adess 一
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