TestCryptoMDP

Simple tool to check .Net encryption capabilities (System.Security.Cryptography).

Developped to analyse .Net error message when FIPS algorithm policy was turned off : "Cette implémentation ne fait pas partie des algorithmes de chiffrement validés FIPS pour les plateformes Windows."

Okay, but what is FIPS ?

Those two registry keys are involved in the FIPS activation :

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy
name : Enabled

and

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\
name : fipsalgorithmpolicy

When activated, the program outputs this :