Following on from previous reporting of the Internet's MD5 CA problem, new issues have arisen. Things are worse than they first appeared. Problems based on hash collisions, which were previously ...

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 ...

Hi all! Noob post I'm sure (please be kind!)<BR><BR>I'm creating a system that stores files using a MySQL database. I'm trying to find out whether a file that is being uploaded to the site is ...