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Rust Requires Chilkat v11.0.0+

Sign SOAP XML using a wsse:SecurityTokenReference

See more XML Digital Signatures Examples

This example signs SOAP XML such that the KeyInfo in the XML Signature is a wsse:SecurityTokenReference to the X.509 certificate embedded elsewhere in the SOAP XML.

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Rust

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

// To begin, we'll need a PFX containing a certificate and private key, and the SOAP XML to be signed.
// Chilkat provides sample data at chilkatsoft.com and chilkatdownload.com, and our first step is to download.

// -------------------------------------------------------------------------
// Step 1: Get the SOAP XML template to be signed.
// 
let sb_xml = chilkat::StringBuilder::new();

let http = chilkat::Http::new();
if http.quick_get_sb("https://www.chilkatsoft.com/exampleData/wssSoapTemplate.xml", &sb_xml).is_err() {
    println!("{}", http.last_error_text());
    return;
}

// The SOAP XML template contains this:

// <?xml version="1.0" encoding="UTF8"?>
// <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
// <SOAP-ENV:Header>
//  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
//                 xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
//                 xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
//                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
//  <wsse:BinarySecurityToken
//                EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"
//                ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509"
//                wsu:Id="x509cert00">BASE64_CERT</wsse:BinarySecurityToken>
//  </wsse:Security>
// </SOAP-ENV:Header>
// <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
//  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
// </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>
// 

// -------------------------------------------------------------------------
// Step 2: Get the test certificate and private key stored in a .pfx
// 
let pfx_data = chilkat::BinData::new();
if http.quick_get_bd("http://chilkatdownload.com/example_data/testcertificate.pfx", &pfx_data).is_err() {
    println!("{}", http.last_error_text());
    return;
}

let pfx = chilkat::Pfx::new();
let password = "test".to_string();
if pfx.load_pfx_encoded(&pfx_data.get_encoded("base64").unwrap_or_default(), "base64", &password).is_err() {
    println!("{}", pfx.last_error_text());
    return;
}

// -------------------------------------------------------------------------
// Step 3: Get the certificate from the PFX.
// 
let cert = chilkat::Cert::new();
if pfx.cert_at(0, &cert).is_err() {
    println!("{}", pfx.last_error_text());
    return;
}

// -------------------------------------------------------------------------
// Step 4: Replace "BASE64_CERT" with the actual base64 encoded certificate.
// 
let bd_cert = chilkat::BinData::new();
let _ = cert.export_cert_der_bd(&bd_cert);

let num_replaced = sb_xml.replace("BASE64_CERT", &bd_cert.get_encoded("base64").unwrap_or_default());

// -------------------------------------------------------------------------
// Step 5: Build the wsse:SecurityTokenReference XML.
// This will be the CustomKeyInfoXml (see below).
// 
let ref_xml = chilkat::Xml::new();
ref_xml.set_tag("wsse:SecurityTokenReference");
let _ = ref_xml.update_attr_at("wsse:Reference", true, "URI", "#x509cert00");
let _ = ref_xml.update_attr_at("wsse:Reference", true, "ValueType", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509");

// The above lines of code builds the following XML:

// 	<wsse:SecurityTokenReference>
// 	    <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
// 	</wsse:SecurityTokenReference>
// 
ref_xml.set_emit_xml_decl(false);
println!("{}", ref_xml.get_xml().unwrap_or_default());

// -------------------------------------------------------------------------
// Step 6: Setup the XML Digital Signature Generator and add the XML Signature.
// 
let gen_ = chilkat::XmlDSigGen::new();
gen_.set_sig_location("SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security");
gen_.set_signed_info_prefix_list("wsse SOAP-ENV");
let _ = gen_.add_same_doc_ref("TheBody", "sha1", "EXCL_C14N", "", "");
gen_.set_key_info_type("Custom");
ref_xml.set_emit_compact(true);

gen_.set_custom_key_info_xml(&ref_xml.get_xml().unwrap_or_default());
let _ = gen_.set_x509_cert(&cert, true);

if gen_.create_xml_d_sig_sb(&sb_xml).is_err() {
    println!("{}", gen_.last_error_text());
    return;
}

// Examine the signed XML
println!("{}", sb_xml.get_as_string().unwrap_or_default());

// Pretty-printed, the XML signature looks as shown here: 
// (The exact XML signature is shown below. Pretty-printing invalidates the XML signature.)

// <?xml version="1.0" encoding="UTF8" ?>
// <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
//     <SOAP-ENV:Header>
//         <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
//             <wsse:BinarySecurityToken EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" wsu:Id="x509cert00">MIID...</wsse:BinarySecurityToken>
//             <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
//                 <ds:SignedInfo>
//                     <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
//                         <InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV" />
//                     </ds:CanonicalizationMethod>
//                     <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
//                     <ds:Reference URI="#TheBody">
//                         <ds:Transforms>
//                             <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
//                         </ds:Transforms>
//                         <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
//                         <ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue>
//                     </ds:Reference>
//                 </ds:SignedInfo>
//                 <ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue>
//                 <ds:KeyInfo>
//                     <wsse:SecurityTokenReference>
//                         <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
//                     </wsse:SecurityTokenReference>
//                 </ds:KeyInfo>
//             </ds:Signature>
//         </wsse:Security>
//     </SOAP-ENV:Header>
//     <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
//         <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com" />
//     </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>
// 

// --------------------------------------------------------------------------------------------
// This is the XML signature, which is also available at https://www.chilkatsoft.com/exampleData/signedSoapBinarySecurityToken.xml
// 

// <?xml version="1.0" encoding="UTF8"?>
// <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
// <SOAP-ENV:Header>
//  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
//                 xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
//                 xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
//                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
//  <wsse:BinarySecurityToken
//                EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"
//                ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509"
//                wsu:Id="x509cert00">MIIDg...</wsse:BinarySecurityToken>
//  <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"><InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV"/></ds:CanonicalizationMethod><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference URI="#TheBody"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/><ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue><ds:KeyInfo><wsse:SecurityTokenReference><wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" /></wsse:SecurityTokenReference></ds:KeyInfo></ds:Signature></wsse:Security>
// </SOAP-ENV:Header>
// <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
//  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
// </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>
//