When you download application installers and other files from the Internet, you may see a verification checksum associated with it. Here is how to use that number. Topher, an avid Mac user for the ...

Developers often post checksums or hashes alongside the download links for their projects to facilitate this kind of verification. Broadly, a checksum is the result of a mathematical calculation run ...

An MD5 sum is a string of letters and numbers that acts like a fingerprint for a file. If two files have the same MD5 sum, the files are exactly alike - which is why MD5 "fingerprints" can verify ...