TripleDES: Specified key is a known weak key for 'TripleDES' and cannot be used

Question

I\'m using the .NET 3.0 class System.Security.Cryptography.MACTripleDES class to generate a MAC value. Unfortunately, I am working with a hardware device that

Answer 1

I'm not a security expert but wouldn't XORing your key with another value be enough to satisfy the sanity check? You could do this for your debug version (with proper IFDEF) so you can do proper checking and remove it for your release or production version where the key would be strong enough.