KeyFlags
                
                
                
                
public const int Split = 
16 
public int Flags { 
get; }
 
Return the flag values contained in the first 4 octets (note: at the moment
            the standard only uses the first one).
            
public KeyFlags(
bool critical, 
bool isLongLength, 
byte[] 
data)
 
public KeyFlags(
bool critical, 
int flags)