ApplyModifierToKeyPrim
procedure ApplyModifierToKeyPrim (Modifier : LongInt; var Key; KeySize : Cardinal);
ApplyModifierToKeyPrim Xor's the Modifier value with the Key returning the modified key as the Key parameter.
Use this routine to sign a key.
KeySize if the size of the key in bytes
This routine is defined in the OnGuard unit. (as of 1.15 this routine has been moved to the OgUtil unit)