On Wed, 9 Nov 2011 17:31:52 +0100, Riccardo Roasio wrote: > Hi, > > there are qt classes for crypt/decrypt files using md5 or i need to > use external libraries? > > Thanks, > Riccardo Hi, md5 is not an crypting method, it is a hashing algorithm. So you cannot encrypt or decrypt anything with it. Regards, Simon