Cryptography and Security - Assignment 2

CSC8419
Assignment 2
Cryptography and Security
Student Name:
Student Number:

Table of Contents
Task 1..........................................................................................................................................................2
Task 2..........................................................................................................................................................5
Task 3..........................................................................................................................................................9
Task 4........................................................................................................................................................10
Reference..................................................................................................................................................12
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Task 1
Verification of Debian DVD ISO image
Download all the files from thelink: https://goo.gl/8CNeyc . For completeness, MD5is done having ISO
image long with its signature.
 Firstly, all the filesgets listed in the directory so that every data is placed is placed at the
appropriate place
 Secondly, using the GNU Privacy Guard (GPG) check for the correct signature in MD5
On the system, there is no public key possibly during the first time running of this command.
From this command, the ID got is = ’6294BE9B’ and after this public key can easily be retrieved
as shown in further steps.
 Thirdly, download the public using the ID ‘6294BE9B’ and the debian key server:
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 Fourthly, verify the signature available for both the checksum files
The statement occur after running command is “Good signature from "Debian CD signing key
<[e-mail]>” and this appears to provide the confirmation of the authenticity
of the Debian DVD image. After this, the fingerprint key which is generated having value is‘DF9B
9C49 EAA9 2984 3258 9D76 DA87 E80D 6294 BE9B’ can be used to compare with the listed
value in https://www.debian.org/CD/verify . From the comparison with the fingerprint key, the
following result appears.
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