Oluseyi receives a link to a free download of a premium application in his email. He clicks the link and the application downloads. Before installing it, he wants to verify the authenticity of the download. He verifies the MD5 value of the downloaded application against the MD5 value listed for the application on the original website. The MD5 values do not match.
Which of the following is true in this scenario?
A) The downloaded application has been modified from its original and authentic version.
B) The MD5 value is generated by a symmetric encryption algorithm.
C) The file name of the downloaded application does not match the original file on the website.
D) Oluseyi's email is compromised, and his mailbox is most likely infected by malware.

Question

Quizplus · Accepted Answer

The MD5 hash function is used to verify the integrity of files. If the MD5 value of the downloaded application does not match the MD5 value listed on the original website, it indicates that the downloaded file has been altered in some way from its original version. This could mean the file is corrupted or, more concerning, it could have been tampered with to include malicious code.

Oluseyi Receives a Link to a Free Download of a Premium