what is SFV file? and how can i read it or convert it to mp3?

Answer 1

ITS A COMPRESSION TECHNIQUE
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SFV is an abbreviation for simple file verification, a checksum format using the CRC32 algorithm to verify the integrity of files.

Files can become corrupted(Checksum) for a variety of reasons including: faulty storage media, errors in transmission, write errors during copying or moving, and so on. SFV allows a person to ensure that a file has not become corrupted by comparing a hash applied a file to see that they are equal. SFV also allows users to verify the authenticity of files, since if a file was changed (say, with the addition of malicious code) the hash 'fingerprint' of the file would change and alert the user that the authenticity of the file is in question.

Flaws/demerits

The hash function used by SFV, CRC32, is not a cryptographically secure hash function. It is easy to intentionally create a file with a given CRC32 checksum. The fact that a file's checksum corresponds with the checksum in the SFV file is therefore no guarantee that the file has not been tampered with. However, SFV is well suited to detect 'random' changes.
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Answer 2

You can not convert SFV (Simple File Verificator) to an mp3. This is a file that winRAR or your favorite file compression software can use to check the integrity of the files you have downloaded. Usually a compressed .RAR archive.

You can find this software at www.rarsoft.com

Answer 3

Maybe, but I don't know 100%