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(Classic ASP) Create XML Signature using Java KeyStore (.jks)

Demonstrates how to create an XML digital signature using a certificate and private key from a Java KeyStore (.jks)

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' The SOAP XML to be signed in this example contains the following:

' <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
' <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
'     <SOAP-ENV:Header>
'         <wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" SOAP-ENV:mustUnderstand="1"></wsse:Security>
'     </SOAP-ENV:Header>
'     <SOAP-ENV:Body xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12" SOAP-SEC:id="Body">
'         <z:FooBar xmlns:z="http://example.com" />
'     </SOAP-ENV:Body>
' </SOAP-ENV:Envelope>
' 

' Build the XML to sign.
' Use the this online tool to generate the code from sample XML: 
' Generate Code to Create XML

set xml = Server.CreateObject("Chilkat_9_5_0.Xml")
xml.Tag = "SOAP-ENV:Envelope"
success = xml.AddAttribute("xmlns:SOAP-ENV","http://schemas.xmlsoap.org/soap/envelope/")
success = xml.UpdateAttrAt("SOAP-ENV:Header|wsse:Security",1,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd")
success = xml.UpdateAttrAt("SOAP-ENV:Header|wsse:Security",1,"SOAP-ENV:mustUnderstand","1")
success = xml.UpdateAttrAt("SOAP-ENV:Body",1,"xmlns:SOAP-SEC","http://schemas.xmlsoap.org/soap/security/2000-12")
success = xml.UpdateAttrAt("SOAP-ENV:Body",1,"SOAP-SEC:id","Body")
success = xml.UpdateAttrAt("SOAP-ENV:Body|z:FooBar",1,"xmlns:z","http://example.com")

' Load a JavaKeyStore file containing the certificate + private key.
set jks = Server.CreateObject("Chilkat_9_5_0.JavaKeyStore")
password = "secret"
success = jks.LoadFile(password,"qa_data/jks/test_secret.jks")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( jks.LastErrorText) & "</pre>"
    Response.End
End If

' Make sure we have a private key.
If (jks.NumPrivateKeys < 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "No private key available.") & "</pre>"
    Response.End
End If

' -------------------------------------------------------------------------
' Get the certificate chain associated with the 1st (and probably only) private key in the JKS.
' chain is a Chilkat_9_5_0.CertChain
Set chain = jks.GetCertChain(0)
If (jks.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( jks.LastErrorText) & "</pre>"
    Response.End
End If

' cert is a Chilkat_9_5_0.Cert
Set cert = chain.GetCert(0)
If (chain.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( chain.LastErrorText) & "</pre>"

    Response.End
End If

' Verify again that this cert has a private key.
If (cert.HasPrivateKey() <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Certificate has no associated private key.") & "</pre>"

    Response.End
End If

' Prepare for signing...
' Use the this online tool to generate the following code from an already-signed XML sample: 
' Generate Code to Create an XML Signature
set gen = Server.CreateObject("Chilkat_9_5_0.XmlDSigGen")

' Indicate where the Signature will be inserted.
gen.SigLocation = "SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security"

' Add a reference to the fragment of the XML to be signed.
success = gen.AddSameDocRef("Body","sha1","EXCL_C14N","","")

' (You can read about the SignedInfoPrefixList in the online reference documentation.  It's optional..)
gen.SignedInfoPrefixList = "wsse SOAP-ENV"

' Provide the private key for signing via the certificate, and indicate that
' we want the base64 of the certificate embedded in the KeyInfo.
gen.KeyInfoType = "X509Data"
gen.X509Type = "Certificate"

' Note: Because our certificate was loaded from a JKS which also contained the private key,
' Chilkat automatically knows and has the private key associated with the certificate.
' We set bUsePrivateKey to tell the SetX509Cert method to automatically use the private key
' associated with the certificate for signing.
bUsePrivateKey = 1
success = gen.SetX509Cert(cert,bUsePrivateKey)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( gen.LastErrorText) & "</pre>"

    Response.End
End If

' Everything's specified.  Now create and insert the Signature
set sbXml = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = xml.GetXmlSb(sbXml)
success = gen.CreateXmlDSigSb(sbXml)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( gen.LastErrorText) & "</pre>"
    Response.End
End If

' Examine the XML with the digital signature inserted
Response.Write "<pre>" & Server.HTMLEncode( sbXml.GetAsString()) & "</pre>"

%>
</body>
</html>

 

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