Different Methods of Ensuring Portability

Different Methods of Ensuring Portability

Table 11.1 outlines comparative information about different methods of searching for API functions addresses. The best method is in bold.

Table 11.1: Different methods of searching for addresses of API functions

Method	Supported platform		Portability	Convenience of implementation
	NT/2000/XP	9x
Hard-encoding	Yes	Yes	No	Yes
Memory search	Yes	Yes	Yes	No
PEB analysis	Yes	No	Partially	Yes
SEH unwinding	Yes	Yes	Yes	Yes
Native API	yes	Partially	No	No

Naturally, Windows 9 x also has native API; however, it is different from that of Windows NT/2000/XP native API.