Classic ASP

Extract a File from a .p7m (PKCS7 Signed-Data)

_LANGUAGE_ example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M.

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Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set crypt = Server.CreateObject("Chilkat.Crypt2")

' What is a .p7m file?

outputFile = "/Users/chilkat/testData/pdf/sample.pdf"
inFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m"

' Verify and restore the original file:
success = crypt.VerifyP7M(inFile,outputFile)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Success!") & "</pre>"

%>
</body>
</html>