A file hash is a fixed-length string of characters generated by a mathematical algorithm (a hash function) based on the contents of a file.
When you download a file from the internet, how do you know it hasn't been tampered with or corrupted during the transfer? The answer lies in the , a unique "digital fingerprint" that allows you to verify the integrity of any data. download file with hash
: You can create a hash from a file, but you cannot recreate the file from its hash. Common Hashing Algorithms A file hash is a fixed-length string of
: Even a single tiny change to the file—like changing one letter in a document—will result in a completely different hash. download file with hash