Verify .p7s and Extract Original File

ASP example to verify and unpack the contents of a .p7s to restore the original file.

Download Chilkat Crypt ActiveX

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set crypt = Server.CreateObject("Chilkat.Crypt2")

'  Any string argument automatically begins the 30-day trial.
success = crypt.UnlockComponent("30-day trial")
If (success <> 1) Then
    Response.Write "Crypt component unlock failed" & "<br>"

End If

'  Find our digital certificate from the Current User certificate store.
set ccs = Server.CreateObject("Chilkat.CreateCS")

Set certStore = ccs.OpenCurrentUserStore()

Set cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.")
If (cert Is Nothing ) Then
    Response.Write cert.LastErrorText & "<br>"

End If

'  Verify and restore the original file:
crypt.SetVerifyCert cert

success = crypt.VerifyP7S("license.p7s","license2.rtf")
If (success = 0) Then
    Response.Write crypt.LastErrorText & "<br>"

End If

Response.Write "Success!" & "<br>"
%>
</body>
</html>

Need a specific example? Send a request to support@chilkatsoft.com