You're about to click on a download button and notice a weird looking code next to it. It doesn't seem to have anything to do how big the file is or whether it's ...

Every communication protocol should have a mechanism to determine whether the received data is valid. I once encountered a team that didn’t have such a mechanism. Their device operated in a ...

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 ...