Generating checksums—cryptographic hashes such as MD5 or SHA-256 functions for files is hardly anything new and one of the most efficient means to ascertain the integrity of a file, or to check if two ...

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 ...