selecting specific certificate for verifying my exe.(capicom)

[shalin_cool333]

hi...i got a trial certificate from ascertia online. m using vs 2003 on xp
platform and capicom 2.1.i had a security warning problem before this error
but now the problem is solved.now i want that my exe should be verified with
my certificate only.so for that i need to select my certificate possibly
through hash value...so, can anyone tell me how to select my certificate for
specific verification from my certificate only...
u can see my code in my previous post

http://www.microsoft.com/communities/newsgroups/en-us/default.aspx?dg=microsoft.public.platformsdk.security&tid=c31c3226-2f49-44dc-ace0-932504d29143&cat=en_US_d02fc761-3f6b-402c-82f6-ba1a8875c1a7&lang=en&cr=&sloc=en-us&m=1&p=1

regards,
shalin
(hoping a quicker reply)