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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 SQL Server Downloads
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
DECLARE @hr int
-- Important: Do not use nvarchar(max). See the warning about using nvarchar(max).
DECLARE @sTmp0 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- 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
SELECT @success = 1
DECLARE @xmlToSign int
EXEC @hr = sp_OACreate 'Chilkat.Xml', @xmlToSign OUT
IF @hr <> 0
BEGIN
PRINT 'Failed to create ActiveX component'
RETURN
END
EXEC sp_OASetProperty @xmlToSign, 'Tag', 'samlp:AuthnRequest'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'xmlns:samlp', 'urn:oasis:names:tc:SAML:2.0:protocol'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'xmlns:saml', 'urn:oasis:names:tc:SAML:2.0:assertion'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'ID', 'pfx41d8ef22-e612-8c50-9960-1b16f15741b3'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'Version', '2.0'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'ProviderName', 'SP test'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'IssueInstant', '2014-07-16T23:52:45Z'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'Destination', 'http://idp.example.com/SSOService.php'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'ProtocolBinding', 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST'
EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'AssertionConsumerServiceURL', 'http://sp.example.com/demo1/index.php?acs'
EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'saml:Issuer', 'http://sp.example.com/demo1/metadata.php'
EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'samlp:NameIDPolicy', 1, 'Format', 'urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress'
EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'samlp:NameIDPolicy', 1, 'AllowCreate', 'true'
EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'samlp:RequestedAuthnContext', 1, 'Comparison', 'exact'
EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'samlp:RequestedAuthnContext|saml:AuthnContextClassRef', '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
DECLARE @gen int
EXEC @hr = sp_OACreate 'Chilkat.XmlDSigGen', @gen OUT
EXEC sp_OASetProperty @gen, 'SigLocation', 'samlp:AuthnRequest'
EXEC sp_OASetProperty @gen, 'SigNamespacePrefix', 'ds'
EXEC sp_OASetProperty @gen, 'SigNamespaceUri', 'http://www.w3.org/2000/09/xmldsig#'
EXEC sp_OASetProperty @gen, 'SignedInfoCanonAlg', 'EXCL_C14N'
EXEC sp_OASetProperty @gen, 'SignedInfoDigestMethod', 'sha1'
-- -------- Reference 1 --------
EXEC sp_OAMethod @gen, 'AddSameDocRef', @success OUT, 'pfx41d8ef22-e612-8c50-9960-1b16f15741b3', 'sha1', 'EXCL_C14N', '', ''
-- Provide a certificate + private key. (PFX password is test123)
DECLARE @cert int
EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT
EXEC sp_OAMethod @cert, 'LoadPfxFile', @success OUT, 'qa_data/pfx/cert_test123.pfx', 'test123'
IF @success <> 1
BEGIN
EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @xmlToSign
EXEC @hr = sp_OADestroy @gen
EXEC @hr = sp_OADestroy @cert
RETURN
END
EXEC sp_OAMethod @gen, 'SetX509Cert', @success OUT, @cert, 1
EXEC sp_OASetProperty @gen, 'KeyInfoType', 'X509Data'
EXEC sp_OASetProperty @gen, 'X509Type', 'Certificate'
-- Load XML to be signed...
DECLARE @sbXml int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbXml OUT
EXEC sp_OAMethod @xmlToSign, 'GetXmlSb', @success OUT, @sbXml
EXEC sp_OASetProperty @gen, 'Behaviors', 'IndentedSignature,ForceAddEnvelopedSignatureTransform'
-- Sign the XML...
EXEC sp_OAMethod @gen, 'CreateXmlDSigSb', @success OUT, @sbXml
IF @success <> 1
BEGIN
EXEC sp_OAGetProperty @gen, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @xmlToSign
EXEC @hr = sp_OADestroy @gen
EXEC @hr = sp_OADestroy @cert
EXEC @hr = sp_OADestroy @sbXml
RETURN
END
-- Save the signed XMl to a file.
EXEC sp_OAMethod @sbXml, 'WriteFile', @success OUT, 'qa_output/signedXml.xml', 'utf-8', 0
-- A sample of the signed XML is shown below..
EXEC sp_OAMethod @sbXml, 'GetAsString', @sTmp0 OUT
PRINT @sTmp0
-- ----------------------------------------
-- Verify the signature we just produced...
DECLARE @verifier int
EXEC @hr = sp_OACreate 'Chilkat.XmlDSig', @verifier OUT
EXEC sp_OAMethod @verifier, 'LoadSignatureSb', @success OUT, @sbXml
IF @success <> 1
BEGIN
EXEC sp_OAGetProperty @verifier, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @xmlToSign
EXEC @hr = sp_OADestroy @gen
EXEC @hr = sp_OADestroy @cert
EXEC @hr = sp_OADestroy @sbXml
EXEC @hr = sp_OADestroy @verifier
RETURN
END
DECLARE @verified int
EXEC sp_OAMethod @verifier, 'VerifySignature', @verified OUT, 1
IF @verified <> 1
BEGIN
EXEC sp_OAGetProperty @verifier, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @xmlToSign
EXEC @hr = sp_OADestroy @gen
EXEC @hr = sp_OADestroy @cert
EXEC @hr = sp_OADestroy @sbXml
EXEC @hr = sp_OADestroy @verifier
RETURN
END
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>
--
EXEC @hr = sp_OADestroy @xmlToSign
EXEC @hr = sp_OADestroy @gen
EXEC @hr = sp_OADestroy @cert
EXEC @hr = sp_OADestroy @sbXml
EXEC @hr = sp_OADestroy @verifier
END
GO