3

Here is the problem I am facing and need some help/guidance on this.

I have generated a XML message from my engine and this needs to be parsed to a service. In order to do that I have to change that message to SOAP message and insert SAML token on it. I am trying to perform this action using C# code. Below is the Input message which I have generated and the expected output of this:

Input Message:

Remove Input Message as it was inserted already in the SOAP Body

Desired Output Message:

<?xml version='1.0' encoding='UTF-8'?>
<S:Envelope
    xmlns:S="http://www.w3.org/2003/05/soap-envelope"
    xmlns:wsse11="http://docs.oasisopen.org/wss/oasis-wss-wssecurity-secext-1.1.xsd"
    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-wsswssecurity-utility-1.0.xsd"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion"
    xmlns:exc14n="http://www.w3.org/2001/10/xml-exc-c14n#">
    <S:Header>
        <To mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">https://localhost:443/Gateway/PatientDiscovery/1_0/NwHINService/NwHINPatientDiscovery 
        </To>
        <Action mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">urn:hl7-org:v3:PRPA_IN201305UV02:CrossGatewayPatientDiscovery
        </Action>
        <ReplyTo mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">
            <Address>http://www.w3.org/2005/08/addressing/anonymous</Address>
        </ReplyTo>
        <MessageID mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">461433e3-4591-453b-9eb6-791c7f5ff882
        </MessageID>
        <wsse:Security S:mustUnderstand="true">
            <wsu:Timestamp wsu:Id="_1"
                xmlns:ns17="http://docs.oasis-open.org/ws-sx/wssecureconversation/200512"
                xmlns:ns16="http://schemas.xmlsoap.org/soap/envelope/">
                <wsu:Created>2012-06-08T18:31:44Z</wsu:Created>
                <wsu:Expires>2012-06-08T18:36:44Z</wsu:Expires>
            </wsu:Timestamp>
            <saml2:Assertion ID="_e1154a8a-bbd5-426d-afa5-ed7071f1b1ff" IssueInstant="2012-06-08T18:31:44.577Z" Version="2.0"
                xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
                xmlns:exc14n="http://www.w3.org/2001/10/xml-excc14n#"
                xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
                xmlns:xenc="http://www.w3.org/2001/04/xmlenc#"
                xmlns:xs="http://www.w3.org/2001/XMLSchema">
                <saml2:Issuer Format="urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName">CN=SAML User,OU=SU,O=SAML User,L=Los Angeles,ST=CA,C=US</saml2:Issuer>
                <ds:Signature
                    xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
                    <ds:SignedInfo>
                        <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-excc14n#"/>
                        <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsasha1"/>
                        <ds:Reference URI="#_e1154a8a-bbd5-426d-afa5-ed7071f1b1ff">
                            <ds:Transforms>
                                <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
                                <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-excc14n#"/>
                            </ds:Transforms>
                            <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
                            <ds:DigestValue>5MearYAjQTErf01u/7UlKo2hEyc=</ds:DigestValue>
                        </ds:Reference>
                    </ds:SignedInfo>
                    <ds:SignatureValue>eCEFcl9iEl6u0MrAehJdsRrgbOCnirOE8i9IQpYMb25sMEaeLzXR7SFGf+TrPyv87YwYUr8lP1xK
Iohggt9yCkdvsVIOhRxiOQmK36ATjIsCNVdjqQwH2Ez9q9esRPgWIlS0vDRKxylaz1eGEX5ZCGdg
rBuScX3uvVjA5s/SVfQh6Enw9cbW/1i5Vcrvrie9ro2EdNS6CM1qLmf9bY37E5XK3f3Zt2xne1TH
OXyqH9jXU5RdE14vD+jNHAjCLq61rG5+ImWtZ2sYmp8+vLJGOVSH6yUEDV2v04AdsXUYbjgRvMjo
/mC8Mec2LdX0pGAuqS+hF4xdlR4RNI74Jj7Esg==</ds:SignatureValue>
                    <ds:KeyInfo>
                        <ds:KeyValue>
                            <ds:RSAKeyValue>
                                <ds:Modulus>maFp5lsEHjhrQQCL0e8cbxMoDpGk1r6Uion/LA2iuD3T+sspJh8TNToQrurpFFVY/u6IzHKIk64s
9894pxbwYNwv/LzRVzM5pOXmCT73KGAg3Cry+QOO5KrN8hR/OXyH90/LIS77FZY+bepqD6qx4URa
2/GLll08fu8xh1wPFDMCFAmb2Xz/5gK0fimUXJAWi1+PlNKMLnDGxHgvz5ZwiN1/QwXcQEc1mcJC
imLoiCSrk7nvmqkxX4ZZ1dYzQJWdlB8Om4r9Uu96q5cZFTYwSdivLpPFKSzn/2MI9NryZC0VaIBu
HRhgAmspAzM90BjLO5vtiwrrfx/E3uYcMjcSEQ==</ds:Modulus>
                                <ds:Exponent>AQAB</ds:Exponent>
                            </ds:RSAKeyValue>
                        </ds:KeyValue>
                    </ds:KeyInfo>
                </ds:Signature>
                <saml2:Subject>
                    <saml2:NameID Format="urn:oasis:names:tc:SAML:1.1:nameidformat:X509SubjectName">UID=WilmaAnderson</saml2:NameID>
                    <saml2:SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:holder-ofkey">
                        <saml2:SubjectConfirmationData>
                            <ds:KeyInfo>
                                <ds:KeyValue>
                                    <ds:RSAKeyValue>
                                        <ds:Modulus>maFp5lsEHjhrQQCL0e8cbxMoDpGk1r6Uion/LA2iuD3T+sspJh8TNToQrurpFFVY/u6IzHKIk64s9894pxbwYNwv/LzRVz
M5pOXmCT73KGAg3Cry+QOO5KrN8hR/OXyH90/LIS77FZY+bepqD6qx4URa2/GLll08fu8xh1wPFDMCFAmb2Xz/5gK0fimUXJAWi1+PlNKML
nDGxHgvz5ZwiN1/QwXcQEc1mcJCimLoiCSrk7nvmqkxX4ZZ1dYzQJWdlB8Om4r9Uu96q5cZFTYwSdivLpPFKSzn/2MI9NryZC0VaIBuHRhg
AmspAzM90BjLO5vtiwrrfx/E3uYcMjcSEQ==</ds:Modulus>
                                        <ds:Exponent>AQAB</ds:Exponent>
                                    </ds:RSAKeyValue>
                                </ds:KeyValue>
                            </ds:KeyInfo>
                        </saml2:SubjectConfirmationData>
                    </saml2:SubjectConfirmation>
                </saml2:Subject>
                <saml2:AuthnStatement AuthnInstant="2012-06-08T18:31:44.577Z" SessionIndex="123456">
                    <saml2:AuthnContext>
                        <saml2:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:X509</saml2:AuthnContextClassRef>
                    </saml2:AuthnContext>
                </saml2:AuthnStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:subject-id">
                        <saml2:AttributeValue ns6:type="ns7:string"
                            xmlns:ns6="http://www.w3.org/2001/XMLSchemainstance"
                            xmlns:ns7="http://www.w3.org/2001/XMLSchema">WilmaWA Anderson
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:organization">
                        <saml2:AttributeValue ns6:type="ns7:string"
                            xmlns:ns6="http://www.w3.org/2001/XMLSchemainstance"
                            xmlns:ns7="http://www.w3.org/2001/XMLSchema">2.16.840.1.113883.3.609.10.330.000
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:organization-id">
                        <saml2:AttributeValue ns6:type="ns7:string"
                            xmlns:ns6="http://www.w3.org/2001/XMLSchemainstance"
                            xmlns:ns7="http://www.w3.org/2001/XMLSchema">2.16.840.1.113883.3.609.10.330.000
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                    <saml2:Attribute Name="urn:NwHIN:names:saml:homeCommunityId">
                        <saml2:AttributeValue ns6:type="ns7:string"
                            xmlns:ns6="http://www.w3.org/2001/XMLSchemainstance"
                            xmlns:ns7="http://www.w3.org/2001/XMLSchema">2.16.840.1.113883.3.609.10.330.000
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                    <saml2:Attribute Name="urn:oasis:names:tc:xacml:2.0:subject:role">
                        <saml2:AttributeValue>
                            <hl7:Role code="46255001" codeSystem="2.16.840.1.113883.6.96"
codeSystemName="SNOMED_CT" displayName="Pharmacist" xsi:type="hl7:CE"
                                xmlns:hl7="urn:hl7-org:v3"
                                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
                            </saml2:AttributeValue>
                        </saml2:Attribute>
                        <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:purposeofuse">
                            <saml2:AttributeValue>
                                <hl7:PurposeOfUse code="OPERATIONS" codeSystem="2.16.840.1.113883.3.18.7.1" codeSystemName="NwHIN-purpose" displayName="Healthcare Operations" xsi:type="hl7:CE"
                                    xmlns:hl7="urn:hl7-org:v3"
                                    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
                                </saml2:AttributeValue>
                            </saml2:Attribute>
                            <saml2:Attribute Name="urn:oasis:names:tc:xacml:2.0:resource:resource-id">
                                <saml2:AttributeValue ns6:type="ns7:string"
                                    xmlns:ns6="http://www.w3.org/2001/XMLSchemainstance"
                                    xmlns:ns7="http://www.w3.org/2001/XMLSchema">PATAA000000040^^^&amp;2.16.840.1.113883.3.609.20.330.000&amp;ISO
                                </saml2:AttributeValue>
                            </saml2:Attribute>
                        </saml2:AttributeStatement>
                    </saml2:Assertion>
                    <ds:Signature Id="_2"
                        xmlns:ns17="http://docs.oasis-open.org/ws-sx/wssecureconversation/200512"
                        xmlns:ns16="http://schemas.xmlsoap.org/soap/envelope/">
                        <ds:SignedInfo>
                            <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
                                <exc14n:InclusiveNamespaces PrefixList="wsse S"/>
                            </ds:CanonicalizationMethod>
                            <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
                            <ds:Reference URI="#_1">
                                <ds:Transforms>
                                    <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
                                        <exc14n:InclusiveNamespaces PrefixList="wsu wsse S"/>
                                    </ds:Transform>
                                </ds:Transforms>
                                <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
                                <ds:DigestValue>wOyuouXyvOr9+wFonBcY/sfKQdc=</ds:DigestValue>
                            </ds:Reference>
                        </ds:SignedInfo>
                        <ds:SignatureValue>L3DLzs6axzNlKUuySKvg52ljw+QrLkmJLbJH7kyHoafjyUavzmw3IPAsg70UfVS8tpM+ut7Im4ouqn9eVOttY2BY8MTyBGUSlwj/2IGHdzxoqcXpLFXxx7ntti2Zt/mfmnV1A+iu+a0l5uIRBy6OdxbSsZg1yK2UYaR60WkVEXVH1MZXnHmE33woHjrScvXh1i
mdJ8apZzCuWZ4Nlbf85kvwVjriyCOK2O1nUvY7ZmSsuHGqTOrgemoDQxlNKb3F4Rn48W1yIiAAAJZuq2Qx5KJ4b6aX17/M73pqvqTKMz5Wv
YrmL54FzhXIalns6LzAZ6EZo4YdYOODmuchIZwZqg==</ds:SignatureValue>
                        <ds:KeyInfo>
                            <wsse:SecurityTokenReference wsse11:TokenType="http://docs.oasisopen.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0">
                                <wsse:KeyIdentifier ValueType="http://docs.oasis-open.org/wss/oasis-wsssaml-token-profile-1.1#SAMLID">_e1154a8a-bbd5-426d-afa5-ed7071f1b1ff</wsse:KeyIdentifier>
                            </wsse:SecurityTokenReference>
                        </ds:KeyInfo>
                    </ds:Signature>
                </wsse:Security>
            </S:Header>
            <S:Body>
                <ns6:PRPA_IN201305UV02 ITSVersion="XML_1.0"
                    xmlns:ns2="urn:oasis:names:tc:ebxmlregrep:xsd:rim:3.0"
                    xmlns:ns3="urn:oasis:names:tc:ebxmlregrep:xsd:rs:3.0"
                    xmlns:ns4="http://www.hhs.gov/healthit/NwHIN"
                    xmlns:ns5="urn:oasis:names:tc:ebxmlregrep:xsd:query:3.0"
                    xmlns:ns6="urn:hl7-org:v3"
                    xmlns:ns7="urn:gov:hhs:fha:NwHINc:common:NwHINccommon"
                    xmlns:ns8="urn:gov:hhs:fha:NwHINc:common:patientcorrelationfacade"
                    xmlns:ns9="http://schemas.xmlsoap.org/ws/2004/08/addressing">
                    <ns6:id root="2.16.840.1.113883.3.609.20.330.000" extension="-5a3e95b1:11d1fa33d45:-7f9b"/>
                    <ns6:creationTime value="20120608143143"/>
                    <ns6:interactionId root="2.16.840.1.113883.1.6" extension="PRPA_IN201305UV02"/>
                    <ns6:processingCode code="T"/>
                    <ns6:processingModeCode code="T"/>
                    <ns6:acceptAckCode code="AL"/>
                    <ns6:receiver typeCode="RCV">
                        <ns6:device classCode="DEV" determinerCode="INSTANCE">
                            <ns6:id root="2.16.840.1.113883.3.609.10.330.002"/>
                            <ns6:asAgent classCode="AGNT">
                                <ns6:representedOrganization classCode="ORG" determinerCode="INSTANCE">
                                    <ns6:id root="2.16.840.1.113883.3.609.10.330.002"/>
                                </ns6:representedOrganization>
                            </ns6:asAgent>
                        </ns6:device>
                    </ns6:receiver>
                    <ns6:sender typeCode="SND">
                        <ns6:device classCode="DEV" determinerCode="INSTANCE">
                            <ns6:asAgent classCode="AGENT">
                                <ns6:representedOrganization classCode="ORG" determinerCode="INSTANCE">
                                    <ns6:id root="2.16.840.1.113883.3.609.10.330.000"/>
                                </ns6:representedOrganization>
                            </ns6:asAgent>
                        </ns6:device>
                    </ns6:sender>
                    <ns6:controlActProcess classCode="CACT" moodCode="EVN">
                        <ns6:code code="PRPA_TE201305UV02" codeSystem="2.16.840.1.113883.1.6"/>
                        <ns6:authorOrPerformer typeCode="AUT">
                            <ns6:assignedDevice>
                                <ns6:id root="2.16.840.1.113883.3.609.20.330.000"/>
                            </ns6:assignedDevice>
                        </ns6:authorOrPerformer>
                        <ns6:queryByParameter>
                            <ns6:queryId root="2.16.840.1.113883.3.609.10.330.000" extension="-abd3453dcd24wkkks545"/>
                            <ns6:statusCode code="new"/>
                            <ns6:responseModalityCode code="R"/>
                            <ns6:responsePriorityCode code="I"/>
                            <ns6:parameterList>
                                <ns6:livingSubjectAdministrativeGender>
                                    <ns6:value code="M"/>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:livingSubjectAdministrativeGender>
                                <ns6:livingSubjectBirthTime>
                                    <ns6:value value="19350213"/>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:livingSubjectBirthTime>
                                <ns6:livingSubjectId>
                                    <ns6:value root="2.16.840.1.113883.3.609.20.330.000" extension="PATAA000000040"/>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:livingSubjectId>
                                <ns6:livingSubjectId>
                                    <ns6:value root="2.16.840.1.113883.4.1" extension=""/>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:livingSubjectId>
                                <ns6:livingSubjectName>
                                    <ns6:value>
                                        <ns6:prefix partType="PFX"/>
                                        <ns6:given partType="GIV">Test</ns6:given>
                                        <ns6:given partType="GIV"/>
                                        <ns6:family partType="FAM">Testing</ns6:family>
                                        <ns6:suffix partType="PFX"/>
                                    </ns6:value>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:livingSubjectName>
                                <ns6:patientAddress>
                                    <ns6:value/>
                                </ns6:patientAddress>
                                <ns6:patientTelecom>
                                    <ns6:value value=""/>
                                    <ns6:semanticsText representation="TXT"/>
                                </ns6:patientTelecom>
                            </ns6:parameterList>
                        </ns6:queryByParameter>
                    </ns6:controlActProcess>
                </ns6:PRPA_IN201305UV02>
            </S:Body>
        </S:Envelope>

Using the X509 Certificate I am able to create the signature part. However, I am unable to create the SAML Assertion and SOAP message. It would be a great help if someone can help/guide me on this. Here is my code in C#:

Removing My Code as It was already part of the Main Codebase

Recent Output

<?xml version="1.0"?>
<soap:Envelope
    xmlns:soap="http://www.w3.org/2003/05/soap-envelope"
    xmlns:wsse11="http://docs.oasisopen.org/wss/oasis-wss-wssecurity-secext-1.1.xsd"
    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-wsswssecurity-utility-1.0.xsd"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion"
    xmlns:exc14n="http://www.w3.org/2001/10/xml-exc-c14n#">
    <soap:Header>
        <To mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">https://localhost:443/Gateway/PatientDiscovery/1_0/NwHINService/NwHINPatientDiscovery
        </To>
        <Action mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">urn:hl7-org:v3:PRPA_IN201305UV02:CrossGatewayPatientDiscovery
        </Action>
        <ReplyTo mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">
            <Address>http://www.w3.org/2005/08/addressing/anonymous</Address>
        </ReplyTo>
        <MessageID mustUnderstand="true"
            xmlns="http://www.w3.org/2005/08/addressing">461433e3-4591-453b-9eb6-791c7f5ff882
        </MessageID>
        <wsse:Security soap:mustUnderstand="true">
            <wsu:Timestamp wsu:Id="_1"
                xmlns:ns17="http://docs.oasis-open.org/ws-sx/wssecureconversation/200512"
                xmlns:ns16="http://schemas.xmlsoap.org/soap/envelope/">
                <wsu:Created>2012-06-08T18:31:44Z</wsu:Created>
                <wsu:Expires>2012-06-08T18:36:44Z</wsu:Expires>
            </wsu:Timestamp>
            <saml2:Assertion ID="_883e64a747a5449b83821913a2b189e6" IssueInstant="2017-10-20T05:09:31.369Z" Version="2.0"
                xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
                xmlns:exc14n="http://www.w3.org/2001/10/xml-excc14n#"
                xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
                xmlns:xenc="http://www.w3.org/2001/04/xmlenc#"
                xmlns:xs="http://www.w3.org/2001/XMLSchema">
                <saml2:Issuer Format="urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName">CN=SAML User,OU=SU,O=SAML User,L=Los Angeles,ST=CA,C=US
                    <Signature
                        xmlns="http://www.w3.org/2000/09/xmldsig#">
                        <SignedInfo>
                            <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
                            <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
                            <Reference URI="">
                                <Transforms>
                                    <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
                                </Transforms>
                                <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
                                <DigestValue>I/0YHptWQW4Y+32HZ8sypXfjPr0=</DigestValue>
                            </Reference>
                        </SignedInfo>
                        <SignatureValue>j3nJoKFny0wdeZZtVKt0XGoL/RC10EJWjqRK8RXzZxU9Uhh/c/0RafmnX4Ed/usVDKhdH+XXYnLVASiKpe5q372yhrMs8709C8OCwV4TZSpmAUUakIad3FZTf5kSH/GrAvtBRAbf9qfm2P5eQvl0OW7fI7/fyyaTi+p2sHuIyUSE/sPdbeQFH2nhxCAIVDI5tuiC7RuCHucPdmHZf6RvywONSP1mrr+ar2UTbadsprAHSMfy/k6kEm7Uy+hcE0MZnEcWipNtzeYmSai0pE6sUNtHigmUQLcbky/fSdQnjNyVDU4cwNMuryx6Zj8jfOxNEELqj338WP4UhLcy7Yggug==</SignatureValue>
                        <KeyInfo>
                            <X509Data>
                                <X509Certificate>MIIEZTCCA02gAwIBAgIJAMOJ3N+F0yoBMA0GCSqGSIb3DQEBBQUAMH4xCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJEQzETMBEGA1UEBxMKV2FzaGluZ3RvbjESMBAGA1UEChMJQ29nbml6YW50MR0wGwYDVQQLExRTb2Z0d2FyZSBFbmdpbmVlcmluZzEaMBgGA1UEAxMRd3d3LmNvZ25pemFudC5jb20wHhcNMTcxMDExMDUwMzQ4WhcNMTgxMDExMDUwMzQ4WjB+MQswCQYDVQQGEwJVUzELMAkGA1UECBMCREMxEzARBgNVBAcTCldhc2hpbmd0b24xEjAQBgNVBAoTCUNvZ25pemFudDEdMBsGA1UECxMUU29mdHdhcmUgRW5naW5lZXJpbmcxGjAYBgNVBAMTEXd3dy5jb2duaXphbnQuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwjIFT5mA4jIxXUilmH56Xk2n44vWaiVDR9KfsdKYUeGO/y0f0aUn+cwBeB7zR9Il8YLgaNh1dVvShvlwm31kWTD+dnTrnHB8pMHYh7Y5k7zSLeLgZolWqm+kpEBnre5MLwa2O+Thy6skpmr3sGE+t7mSibEptYSf1lfB2qCHUXYf+jfAJdNuXo3pJsPGsXwU0L1KPnUJIRMs4l4b8JvwZO3cj2eOSGd5JGDCSYG2w+o/Cgyq/A5iDMVgtsyds5kp3JIvhfqXmxhZxkmiTHm4AOglkTY96v7eptDZ0+yspt5p2H5fU1loVwLXQHnk8lXqV3gF+JD8iUEcNrwEX6xbNQIDAQABo4HlMIHiMB0GA1UdDgQWBBSHY9xnAIinZJNFNq7A5dVaa9D0FjCBsgYDVR0jBIGqMIGngBSHY9xnAIinZJNFNq7A5dVaa9D0FqGBg6SBgDB+MQswCQYDVQQGEwJVUzELMAkGA1UECBMCREMxEzARBgNVBAcTCldhc2hpbmd0b24xEjAQBgNVBAoTCUNvZ25pemFudDEdMBsGA1UECxMUU29mdHdhcmUgRW5naW5lZXJpbmcxGjAYBgNVBAMTEXd3dy5jb2duaXphbnQuY29tggkAw4nc34XTKgEwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQUFAAOCAQEAp0hd/qIbFUpdCAzY9K3/PKGOjlKJn6npyeeE4+jYandvpbxvPo00XCY+pvdLBejoPjnsNjgVYl5Y41SdI2hNP7F65h3BjG3C8AsA98KFIZrBaTaTiLk2B8Tr2Q7MSUcHSEbcs1uSUA8Uzmk4NdJICkLrLKgrWdRBKVyigZi+rD1vD4LTsQoVzQqBD8K8p8h5stOH0x1l5NxTsn3M6o4Q86fGzFLNDK2KUok7AcFl7I17l5DuOYgzIvqgQzCgQ+V/4alJ7dfkVOSqH/0oar5yDCLYjlXtMkqUQlLnni2NSLDmMJfWQ8HWJaAMAhu1hbG9LrUqN4/Xue6tyuWz+i0+0Q==</X509Certificate>
                            </X509Data>
                        </KeyInfo>
                    </Signature>
                    <subject
                        xmlns="saml2">
                        <saml2:NameID Format="urn:oasis:names:tc:SAML:1.1:nameidformat:X509SubjectName">UID=WilmaAnderson</saml2:NameID>
                        <saml2:SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:holder-ofkey">
                            <saml2:SubjectConfirmationData>
                                <KeyInfo
                                    xmlns="">
                                    <X509Data>
                                        <X509Certificate>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</X509Certificate>
                                    </X509Data>
                                </KeyInfo>
                            </saml2:SubjectConfirmationData>
                        </saml2:SubjectConfirmation>
                    </subject>
                </saml2:Issuer>
                <saml2:AuthnStatement AuthnInstant="2017-10-20T05:09:31.369Z" SessionIndex="123456">
                    <saml2:AuthnContext>
                        <saml2:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:X509</saml2:AuthnContextClassRef>
                    </saml2:AuthnContext>
                </saml2:AuthnStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:subject-id" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                        <saml2:AttributeValue
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">WilmaWA Anderson
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                </saml2:AttributeStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:organization" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                        <saml2:AttributeValue
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">Developer Integration Lab
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                </saml2:AttributeStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:oasis:names:tc:xspa:1.0:subject:organization-id" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                        <saml2:AttributeValue
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">https://lab.dil.aegis.net
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                </saml2:AttributeStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:nhin:names:saml:homeCommunityId" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                        <saml2:AttributeValue
                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">urn:oid:2.16.840.1.113883.3.7477.4522.1
                        </saml2:AttributeValue>
                    </saml2:Attribute>
                </saml2:AttributeStatement>
                <saml2:AttributeStatement>
                    <saml2:Attribute Name="urn:oasis:names:tc:xacml:2.0:subject:role" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                        <saml2:AttributeValue>
                            <hl7:Role
                                xmlns:hl7="urn:hl7-org:v3"
                                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" code="112247003" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED_CT" displayName="Medical doctor" xsi:type="CE" />
                            </saml2:AttributeValue>
                        </saml2:Attribute>
                    </saml2:AttributeStatement>
                    <saml2:AttributeStatement>
                        <saml2:Attribute Name="urn:oasis:names:tc:xacml:2.0:subject:role" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
                            <saml2:AttributeValue>
                                <hl7:PurposeOfUse
                                    xmlns:hl7="urn:hl7-org:v3"
                                    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" code="TREATMENT" codeSystem="2.16.840.1.113883.3.18.7.1" codeSystemName="nhin-purpose" displayName="Treatment" xsi:type="CE" />
                                </saml2:AttributeValue>
                            </saml2:Attribute>
                        </saml2:AttributeStatement>
                    </saml2:Assertion>
                    <wsu:Timestamp wsu:ID="">
                        <wsu:Created>"2017-10-20T05:09:31.369Z"</wsu:Created>
                        <wsu:Expires>"2017-10-20T05:09:31.369Z"</wsu:Expires>
                    </wsu:Timestamp>
                </wsse:Security>
            </soap:Header>
            <soap:Body>
                <PRPA_IN201305UV02
                    xmlns="urn:hl7-org:v3"
                    xmlns:ns2="urn:gov:hhs:fha:nhinc:common:nhinccommon"
                    xmlns:ns3="http://www.w3.org/2005/08/addressing"
                    xmlns:ns4="urn:gov:hhs:fha:nhinc:common:patientcorrelationfacade"
                    xmlns:ns5="http://www.hhs.gov/healthit/nhin"
                    xmlns:ns6="urn:oasis:names:tc:ebxml-regrep:xsd:rim:3.0"
                    xmlns:ns7="urn:oasis:names:tc:ebxml-regrep:xsd:rs:3.0"
                    xmlns:ns8="urn:oasis:names:tc:ebxml-regrep:xsd:query:3.0" ITSVersion="XML_1.0" nullFlavor="">
                    <id extension="50a6fe29-cfd5-45ef-8cbe-67e567c9a23c" nullFlavor="" root="2.16.840.1.113883.3.89.102.15.30" />
                    <creationTime nullFlavor="" value="20150309171201" />
                    <interactionId extension="PRPA_IN201305UV02" nullFlavor="" root="2.16.840.1.113883.1.6" />
                    <processingCode code="T" nullFlavor="" />
                    <processingModeCode code="T" nullFlavor="" />
                    <acceptAckCode code="NE" nullFlavor="" />
                    <receiver typeCode="RCV">
                        <device classCode="DEV" determinerCode="INSTANCE">
                            <id root="2.16.840.1.113883.3.1259.10.1003" />
                            <asAgent classCode="AGNT">
                                <representedOrganization classCode="ORG" determinerCode="INSTANCE">
                                    <id root="2.16.840.1.113883.3.1259.10.1003" />
                                </representedOrganization>
                            </asAgent>
                        </device>
                    </receiver>
                    <sender nullFlavor="" typeCode="SND">
                        <device classCode="DEV" determinerCode="INSTANCE" nullFlavor="">
                            <id nullFlavor="" root="2.16.840.1.113883.3.89.102.15.30" />
                            <asAgent classCode="AGNT" nullFlavor="">
                                <representedOrganization classCode="ORG" determinerCode="INSTANCE" nullFlavor="">
                                    <id nullFlavor="" root="2.16.840.1.113883.3.89.102.15.30" />
                                </representedOrganization>
                            </asAgent>
                        </device>
                    </sender>
                    <controlActProcess classCode="CACT" moodCode="EVN" nullFlavor="">
                        <code code="PRPA_TE201305UV02" codeSystem="2.16.840.1.113883.1.6" nullFlavor="" />
                        <authorOrPerformer nullFlavor="" typeCode="AUT">
                            <assignedDevice classCode="ASSIGNED" nullFlavor="">
                                <id nullFlavor="" root="2.16.840.1.113883.3.89.102.15.50" />
                            </assignedDevice>
                        </authorOrPerformer>
                        <queryByParameter nullFlavor="">
                            <queryId extension="ee72b41a-4eb6-4eb0-ab74-0d4ea29dd1b2" nullFlavor="" root="2.16.840.1.113883.3.89.102.15.30" />
                            <statusCode code="new" nullFlavor="" />
                            <responseModalityCode code="R" nullFlavor="" />
                            <responsePriorityCode code="I" nullFlavor="" />
                            <parameterList nullFlavor="">
                                <livingSubjectAdministrativeGender nullFlavor="">
                                    <value code="M" nullFlavor="" />
                                    <semanticsText nullFlavor="" />
                                </livingSubjectAdministrativeGender>
                                <livingSubjectBirthTime nullFlavor="">
                                    <value nullFlavor="" value="19600210" />
                                    <semanticsText nullFlavor="" />
                                </livingSubjectBirthTime>
                                <livingSubjectId nullFlavor="">
                                    <value extension="1000131023" nullFlavor="" root="2.16.840.1.113883.3.89.102.15.50" />
                                    <semanticsText nullFlavor="" />
                                </livingSubjectId>
                                <livingSubjectName nullFlavor="">
                                    <value nullFlavor="" use="">
                                        <given partType="GIV" qualifier="">Test</given>
                                        <given partType="GIV" qualifier="">M</given>
                                        <family partType="FAM" qualifier="">Testing</family>
                                    </value>
                                    <semanticsText nullFlavor="" />
                                </livingSubjectName>
                            </parameterList>
                        </queryByParameter>
                    </controlActProcess>
                </PRPA_IN201305UV02>
            </soap:Body>
        </soap:Envelope>
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1
  • Your input message may have an issue. I do not like this one inner tag. It looks wrong although it is correct xml : CN=SampleConnect,O=SAMPLE,L=Anywhere,C=US Commented Oct 14, 2017 at 8:16

1 Answer 1

Reset to default
2

try following :

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography.Xml;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace Certificate
{
    class Program
    {
        const string FILENAME = @"c:\temp\test.xml";
        static void Main(string[] args)
        {
            XmlDocument doc = new XmlDocument();
            CreateSoap(doc);
            XmlElement assertion = (XmlElement)(doc.GetElementsByTagName("saml2:Assertion")[0]);
            XmlElement security = (XmlElement)(doc.GetElementsByTagName("wsse:Security")[0]);  //added 10-20-17
            XmlElement body = (XmlElement)(doc.GetElementsByTagName("soap:Body")[0]);


            using (WebClient client = new WebClient())
            {
                byte[] xmlBytes = client.DownloadData(FILENAME);
                body.InnerXml = Encoding.UTF8.GetString(xmlBytes);
            }
            string pfxpath = @"D:\Certificate\Private-cert.pfx";
            X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxpath), "123456789");


            SignXmlWithCertificate(assertion, cert);
            SignXmlWithCertificate(security, cert);   //added 10-20-17

            XmlElement subject = doc.CreateElement("Subject", "saml2");
            assertion.AppendChild(subject);

            CreateSubject(subject);

            File.WriteAllText(@"D:\Certificate\digitallysigned.xml", doc.OuterXml);
        }
        public static void CreateSoap(XmlDocument doc)
        {
            DateTime date = DateTime.Now;
            string soap = string.Format(
                "<?xml version=\"1.0\"?>" +
                "<soap:Envelope" +
                " xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\"" +
                " xmlns:wsse11=\"http://docs.oasisopen.org/wss/oasis-wss-wssecurity-secext-1.1.xsd\"" +
                " 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-wsswssecurity-utility-1.0.xsd\"" +
                " xmlns:xs=\"http://www.w3.org/2001/XMLSchema\"" +
                " xmlns:ds=\"http://www.w3.org/2000/09/xmldsig#\"" +
                " xmlns:saml=\"urn:oasis:names:tc:SAML:1.0:assertion\"" +
                " xmlns:exc14n=\"http://www.w3.org/2001/10/xml-exc-c14n#\">" +

                           "<soap:Header>" +
                                  "<To mustUnderstand=\"true\"" +
                                     " xmlns=\"http://www.w3.org/2005/08/addressing\">https://localhost:443/Gateway/PatientDiscovery/1_0/NwHINService/NwHINPatientDiscovery" +
                                  "</To>" +
                                  "<Action mustUnderstand=\"true\"" +
                                     " xmlns=\"http://www.w3.org/2005/08/addressing\">urn:hl7-org:v3:PRPA_IN201305UV02:CrossGatewayPatientDiscovery" +
                                  "</Action>" +
                                  "<ReplyTo mustUnderstand=\"true\"" +
                                     " xmlns=\"http://www.w3.org/2005/08/addressing\">" +
                                     "<Address>http://www.w3.org/2005/08/addressing/anonymous</Address>" +
                                  "</ReplyTo>" +
                                  "<MessageID mustUnderstand=\"true\"" +
                                     " xmlns=\"http://www.w3.org/2005/08/addressing\">461433e3-4591-453b-9eb6-791c7f5ff882" +
                                  "</MessageID>" +
                                  "<wsse:Security soap:mustUnderstand=\"true\">" +
                                     "<wsu:Timestamp wsu:Id=\"_1\"" +
                                        " xmlns:ns17=\"http://docs.oasis-open.org/ws-sx/wssecureconversation/200512\"" +
                                        " xmlns:ns16=\"http://schemas.xmlsoap.org/soap/envelope/\">" +
                                        "<wsu:Created>2012-06-08T18:31:44Z</wsu:Created>" +
                                        "<wsu:Expires>2012-06-08T18:36:44Z</wsu:Expires>" +
                                     "</wsu:Timestamp>" +
                                     "<saml2:Assertion ID=\"_883e64a747a5449b83821913a2b189e6\" IssueInstant=\"{0}\" Version=\"2.0\"" +
                                        " xmlns:ds=\"http://www.w3.org/2000/09/xmldsig#\"" +
                                        " xmlns:exc14n=\"http://www.w3.org/2001/10/xml-excc14n#\"" +
                                        " xmlns:saml2=\"urn:oasis:names:tc:SAML:2.0:assertion\"" +
                                        " xmlns:xenc=\"http://www.w3.org/2001/04/xmlenc#\"" +
                                        " xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">" +
                                        "<saml2:Issuer Format=\"urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName\">CN=SAML User,OU=SU,O=SAML User,L=Los Angeles,ST=CA,C=US" +
                                        "</saml2:Issuer>" +
                                     "</saml2:Assertion>" +
                                  "</wsse:Security>" +

                                "</soap:Header>" +
                                "<soap:Body>" +
                                "</soap:Body>" +
                             "</soap:Envelope>",
                             date.ToUniversalTime().ToString("yyyy-MM-ddThh:mm:ss.fffZ"));
            //date format
            //2015-03-09T21:12:02.279Z
            doc.LoadXml(soap);

        }
        public static void SignXmlWithCertificate(XmlElement assertion, X509Certificate2 cert)
        {
            SignedXml signedXml = new SignedXml(assertion);
            signedXml.SigningKey = cert.PrivateKey;
            Reference reference = new Reference();
            reference.Uri = "";
            reference.AddTransform(new XmlDsigEnvelopedSignatureTransform());
            signedXml.AddReference(reference);

            KeyInfo keyInfo = new KeyInfo();
            keyInfo.AddClause(new KeyInfoX509Data(cert));

            signedXml.KeyInfo = keyInfo;
            signedXml.ComputeSignature();
            XmlElement xmlsig = signedXml.GetXml();

            assertion.AppendChild(xmlsig);
        }
        public static void CreateSubject(XmlElement xSubject)
        {
            string subject = "<saml2:NameID Format=\"urn:oasis:names:tc:SAML:1.1:nameidformat:X509SubjectName\">UID=WilmaAnderson</saml2:NameID>" +
                              "<saml2:SubjectConfirmation Method=\"urn:oasis:names:tc:SAML:2.0:cm:holder-ofkey\">" +
                                "<saml2:SubjectConfirmationData>" +
                                  "<ds:KeyInfo>" +
                                    "<ds:KeyValue>" +
                                      "<ds:RSAKeyValue>" +
                                        "<ds:Modulus>" +
                                          "maFp5lsEHjhrQQCL0e8cbxMoDpGk1r6Uion/LA2iuD3T+sspJh8TNToQrurpFFVY/u6IzHKIk64s9894pxbwYNwv/LzRVz" +
                                          "M5pOXmCT73KGAg3Cry+QOO5KrN8hR/OXyH90/LIS77FZY+bepqD6qx4URa2/GLll08fu8xh1wPFDMCFAmb2Xz/5gK0fimUXJAWi1+PlNKML" +
                                          "nDGxHgvz5ZwiN1/QwXcQEc1mcJCimLoiCSrk7nvmqkxX4ZZ1dYzQJWdlB8Om4r9Uu96q5cZFTYwSdivLpPFKSzn/2MI9NryZC0VaIBuHRhg" +
                                          "AmspAzM90BjLO5vtiwrrfx/E3uYcMjcSEQ==" +
                                        "</ds:Modulus>" +
                                        "<ds:Exponent>AQAB</ds:Exponent>" +
                                      "</ds:RSAKeyValue>" +
                                    "</ds:KeyValue>" +
                                  "</ds:KeyInfo>" +
                                "</saml2:SubjectConfirmationData>" +
                              "</saml2:SubjectConfirmation>";

            xSubject.InnerXml = subject;
        }
    }
}
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25 Comments

I have implemented the above code. But now I am not even getting the signature part. Please assist !!
Also the above code doesn't have the SAML Part. As per the output message, I need the XML to be wrapped by a SOAP format and the SAML part also needs to be inserted inside the SOAP Header.
Change from : doc.LoadXml(Encoding.UTF8.GetString(xmlBytes)); To : issuer.InnerText = Encoding.UTF8.GetString(xmlBytes);
Thank you for providing the details.. I got the SOAP message. But the XML should come inside the <soap:Body></soap:Body>. Also the signature should come inside the <ds:SignedInfo> tag. Please refer the output message where I have mentioned the desired format.
Also can you help me to understand if we need to use any SAML library here. Because there are many fields which needs to be updated fro each message. Ex: IssueInstant - should be the system date and time and ID should be a random Id.
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