Upon downloading a new ISO, an administrator is presented with the following string: 59d15a16ce90c8ee97fa7c211b7673a8 Which of the following BEST describes the purpose of this string?
Thought it was digital signature for a second because those are used for nonrepudiation, but no, the checksums to verify file integrity generally use SHA hashes, I checked the VirtualBox site.
C. Hash verification
The string is a hash value — most likely an MD5, based on its length (32 hexadecimal characters).
This hash is used to perform hash verification, which allows the administrator to:
Confirm the integrity of the ISO file.
Ensure the file has not been tampered with or corrupted during download.
By comparing the computed hash of the downloaded file to this provided value, the admin can verify that the file is exactly as intended.
Why the other options are incorrect:
A. XSS verification – XSS (Cross-Site Scripting) is a web security issue, unrelated to file integrity.
B. AES-256 verification – AES-256 is an encryption algorithm, not used for verifying file integrity.
D. Digital signature verification – Uses certificates and public key cryptography, not simple hash strings.
Hashes are used to verify that the program is legit and from the proper source and not tampered with things like malware.
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