A checksum is a string of characters which uniquely identifies afile, a digital fingerprint. Change even a few bytes of a file–forexample, by infecting it with a virus or replacing an old versionwith ...

In the past, we’ve talked about several free tools designed for calculating hashes and generating Checksum files. Most lack many features, and some have an ancient-looking user interface, which is ...

A checksum is a way to ensure that a file is not altered. It is a mahmatical value that will be radically different if even the slightest change is made to the file.