Swift
Swift
Create AuthNRequest with embedded signature (HTTP-POST binding)
See more XML Digital Signatures Examples
Demonstrates how to create a SAML AuthNRequest with embedded signature (HTTP-POST binding).Chilkat Swift Downloads
func chilkatTest() {
var success: Bool = false
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// This example will sign the following SAML AuthNRequest:
// <samlp:AuthnRequest
// xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
// xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
// ID="pfx41d8ef22-e612-8c50-9960-1b16f15741b3"
// Version="2.0" ProviderName="SP test" IssueInstant="2014-07-16T23:52:45Z"
// Destination="http://idp.example.com/SSOService.php"
// ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
// AssertionConsumerServiceURL="http://sp.example.com/demo1/index.php?acs">
// <saml:Issuer>http://sp.example.com/demo1/metadata.php</saml:Issuer>
// <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress" AllowCreate="true"/>
// <samlp:RequestedAuthnContext Comparison="exact">
// <saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
// </samlp:RequestedAuthnContext>
// </samlp:AuthnRequest>
// First we build the XML to be signed.
//
// Use this online tool to generate the code from sample XML:
// Generate Code to Create XML
success = true
let xmlToSign = CkoXml()!
xmlToSign.tag = "samlp:AuthnRequest"
xmlToSign.addAttribute(name: "xmlns:samlp", value: "urn:oasis:names:tc:SAML:2.0:protocol")
xmlToSign.addAttribute(name: "xmlns:saml", value: "urn:oasis:names:tc:SAML:2.0:assertion")
xmlToSign.addAttribute(name: "ID", value: "pfx41d8ef22-e612-8c50-9960-1b16f15741b3")
xmlToSign.addAttribute(name: "Version", value: "2.0")
xmlToSign.addAttribute(name: "ProviderName", value: "SP test")
xmlToSign.addAttribute(name: "IssueInstant", value: "2014-07-16T23:52:45Z")
xmlToSign.addAttribute(name: "Destination", value: "http://idp.example.com/SSOService.php")
xmlToSign.addAttribute(name: "ProtocolBinding", value: "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST")
xmlToSign.addAttribute(name: "AssertionConsumerServiceURL", value: "http://sp.example.com/demo1/index.php?acs")
xmlToSign.updateChildContent(tagPath: "saml:Issuer", value: "http://sp.example.com/demo1/metadata.php")
xmlToSign.updateAttrAt(tagPath: "samlp:NameIDPolicy", autoCreate: true, attrName: "Format", attrValue: "urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress")
xmlToSign.updateAttrAt(tagPath: "samlp:NameIDPolicy", autoCreate: true, attrName: "AllowCreate", attrValue: "true")
xmlToSign.updateAttrAt(tagPath: "samlp:RequestedAuthnContext", autoCreate: true, attrName: "Comparison", attrValue: "exact")
xmlToSign.updateChildContent(tagPath: "samlp:RequestedAuthnContext|saml:AuthnContextClassRef", value: "urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport")
// Also see the online tool to generate the code from sample already-signed XML:
// Generate XML Signature Creation Code from an Already-Signed XML Sample
let gen = CkoXmlDSigGen()!
gen.sigLocation = "samlp:AuthnRequest"
gen.sigNamespacePrefix = "ds"
gen.sigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.signedInfoCanonAlg = "EXCL_C14N"
gen.signedInfoDigestMethod = "sha1"
// -------- Reference 1 --------
gen.addSameDocRef(id: "pfx41d8ef22-e612-8c50-9960-1b16f15741b3", digestMethod: "sha1", canonMethod: "EXCL_C14N", prefixList: "", refType: "")
// Provide a certificate + private key. (PFX password is test123)
let cert = CkoCert()!
success = cert.loadPfxFile(path: "qa_data/pfx/cert_test123.pfx", password: "test123")
if success != true {
print("\(cert.lastErrorText!)")
return
}
gen.setX509Cert(cert: cert, usePrivateKey: true)
gen.keyInfoType = "X509Data"
gen.x509Type = "Certificate"
// Load XML to be signed...
let sbXml = CkoStringBuilder()!
xmlToSign.getSb(sb: sbXml)
gen.behaviors = "IndentedSignature,ForceAddEnvelopedSignatureTransform"
// Sign the XML...
success = gen.createXmlDSigSb(sbXml: sbXml)
if success != true {
print("\(gen.lastErrorText!)")
return
}
// Save the signed XMl to a file.
success = sbXml.writeFile(path: "qa_output/signedXml.xml", charset: "utf-8", emitBom: false)
// A sample of the signed XML is shown below..
print("\(sbXml.getAsString()!)")
// ----------------------------------------
// Verify the signature we just produced...
let verifier = CkoXmlDSig()!
success = verifier.loadSignatureSb(sbXmlSig: sbXml)
if success != true {
print("\(verifier.lastErrorText!)")
return
}
var verified: Bool = verifier.verifySignature(verifyReferenceDigests: true)
if verified != true {
print("\(verifier.lastErrorText!)")
return
}
print("This signature was successfully verified.")
// -----------------------------------------
// Sample output of AuthNRequest signed XML:
// (Line-breaks and some indenting added for readability..)
// <?xml version="1.0" encoding="utf-8"?>
// <samlp:AuthnRequest
// xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
// xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
// ID="pfx41d8ef22-e612-8c50-9960-1b16f15741b3"
// Version="2.0" ProviderName="SP test"
// IssueInstant="2014-07-16T23:52:45Z"
// Destination="http://idp.example.com/SSOService.php"
// ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
// AssertionConsumerServiceURL="http://sp.example.com/demo1/index.php?acs">
// <saml:Issuer>http://sp.example.com/demo1/metadata.php</saml:Issuer>
// <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress" AllowCreate="true"/>
// <samlp:RequestedAuthnContext Comparison="exact">
// <saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
// </samlp:RequestedAuthnContext>
// <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#"/>
// <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
// <ds:Reference URI="#pfx41d8ef22-e612-8c50-9960-1b16f15741b3">
// <ds:Transforms>
// <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
// <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>5d+/YNShy4qnvZcvik8fHHg2SWQ=</ds:DigestValue>
// </ds:Reference>
// </ds:SignedInfo>
// <ds:SignatureValue>QS16H5...U5LQ==</ds:SignatureValue>
// <ds:KeyInfo>
// <ds:X509Data>
// <ds:X509Certificate>MIIF...tjlF4=</ds:X509Certificate>
// </ds:X509Data>
// </ds:KeyInfo>
// </ds:Signature>
// </samlp:AuthnRequest>
//
}