Encryption / Decryption / Hashing / Signing Purpose Cryptography API: Next Generation (CNG) is Microsoft's long-term replacement for their CryptoAPI.  Microsoft's CNG is designed to be extensible at many levels and cryptography agnostic in behavior.  Although the Crypt.au3 UDF lib that is installed with AutoIt3 still works well, the advapi32.dll functions that it uses have been deprecated.  In addition the Crypt.au3 UDF lib, as it is currently written, has a very limited ability to dec