Closes and clears the DES context.
Public Declare Function DES_Final Lib "diCryptoSys.dll"
(ByVal hContext As Long) As Long
nRet = DES_Final(hContext)
Long containing the handle to the DES context.
long _stdcall DES_Final(long ctx_handle);
Long: If successful, the return value is 0;
otherwise it returns a non-zero error code.
See DES_UpdateHex.
DES_Init
DES_InitHex
DES_UpdateHex
DES_Update