Create Detached Signature File

Creates and verifies a detached signature.

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

set cert = Server.CreateObject("Chilkat.Cert")
cert.LoadByCommonName "Chilkat Software, Inc."

'  Tell the crypt component to use this cert.
crypt.SetSigningCert cert

'  We can sign any type of file, creating a .sig as output:
success = crypt.CreateDetachedSignature("test.pdf","test.sig")
If (success = 1) Then
    Response.Write "Success!" & "<br>"
End If

Response.Write crypt.LastErrorText & "<br>"

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

success = crypt.VerifyDetachedSignature("test.pdf","test.sig")
If (success = 1) Then
    Response.Write "Success!" & "<br>"
End If

Response.Write crypt.LastErrorText & "<br>"
%>
</body>
</html>

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