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(VB.NET) IPS MX Signature - Digitally Sign MX Document

See more XML Digital Signatures Examples

Demonstrates how to digitally sign ISO 20022 SWIFT MX messages.

Note: This example requires Chilkat v9.5.0.89 or later. Additional internal functionality was added to auto-recognize SWIFT MX messages and do what is appropriate to satisfy the SWIFT MX specifications.

Chilkat .NET Downloads

Chilkat .NET Framework

Chilkat for .NET Core

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


Dim success As Boolean = True

' First create the XML to be signed, or load it from a file, or a string,

' To load XML from a file:
Dim xmlToSign As New Chilkat.Xml
success = xmlToSign.LoadXmlFile("c:/someDir/mx_document.xml")

' Or to load XML from a string
success = xmlToSign.LoadXml("...")

' Or create the XML directly.
xmlToSign.Clear()

' Use this online tool to generate code from sample XML: 
' Generate Code to Create XML

xmlToSign.Tag = "DataPDU"
xmlToSign.AddAttribute("xmlns","urn:cma:stp:xsd:stp.1.0")
xmlToSign.UpdateAttrAt("Body|AppHdr",True,"xmlns","urn:iso:std:iso:20022:tech:xsd:head.001.001.01")
xmlToSign.UpdateChildContent("Body|AppHdr|Fr|FIId|FinInstnId|BICFI","ZZZZZZZZ")
xmlToSign.UpdateChildContent("Body|AppHdr|To|FIId|FinInstnId|BICFI","YYYYYYYYYY")
xmlToSign.UpdateChildContent("Body|AppHdr|BizMsgIdr","ZZZZZZZZAXXX999999999999999999999")
xmlToSign.UpdateChildContent("Body|AppHdr|MsgDefIdr","pacs.008.001.08")
xmlToSign.UpdateChildContent("Body|AppHdr|BizSvc","IPS")
xmlToSign.UpdateChildContent("Body|AppHdr|CreDt","2017-09-13T18:18:00Z")
xmlToSign.UpdateAttrAt("Body|Document",True,"xmlns","urn:iso:std:iso:20022:tech:xsd:pacs.008.001.08")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|GrpHdr|MsgId","ZZZZZZZZAXXX999999999999999999999")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|GrpHdr|CreDtTm","2017-09-13T18:18:00")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|GrpHdr|NbOfTxs","1")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|GrpHdr|SttlmInf|SttlmMtd","CLRG")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtId|EndToEndId","NOTPROVIDED")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtId|TxId","ZZZZZZZZAXXX999999999999999999999")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|ClrChanl","RTNS")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|LclInstrm|Prtry","CSCT")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|CtgyPurp|Prtry","001")
xmlToSign.UpdateAttrAt("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmAmt",True,"Ccy","JOD")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmAmt","71.12")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmDt","2018-01-14")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|ChrgBr","SLEV")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstgAgt|FinInstnId|BICFI","ZZZZZZZZ")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstdAgt|FinInstnId|BICFI","UBSIJOA0")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Dbtr|Nm","John Johnson")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAcct|Id|IBAN","JO22CITI00000000000555555555")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|BICFI","ZZZZZZZZ")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|Othr|Id","200004")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|Othr|SchmeNm|Prtry","1700099999")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgtAcct|Id|IBAN","JO66CITI22222222222222222222")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|BICFI","UBSIJOA0")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|Othr|Id","210027")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|Othr|SchmeNm|Prtry","1400199999")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgtAcct|Id|IBAN","JO44UBSI33333333333333333333")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Cdtr|Nm","Omega Jones")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAcct|Id|IBAN","JO95UBSI00000000000777777777")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstrForNxtAgt|InstrInf","/BNF/Details")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Purp|Prtry","5814")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf","SOMEINFORMATIONABOUTPAYMENT-1")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf[1]","SOMEINFORMATIONABOUTPAYMENT-2")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf[2]","SOMEINFORMATIONABOUTPAYMENT-3")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Tax|Cdtr|TaxId","9900083901")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Tax|Dbtr|TaxId","1000387561")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RmtInf|Ustrd","EDV UCUN ODENIR")
xmlToSign.UpdateChildContent("Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RmtInf|Ustrd[1]","EXTRA INFO")

' The following XML is to be signed:

' <?xml version="1.0" encoding="UTF-8"?>
' <DataPDU xmlns="urn:cma:stp:xsd:stp.1.0">
' 	<Body>
' 		<AppHdr xmlns="urn:iso:std:iso:20022:tech:xsd:head.001.001.01">
' 			<Fr>
' 				<FIId>
' 					<FinInstnId>
' 						<BICFI>ZZZZZZZZ</BICFI>
' 					</FinInstnId>
' 				</FIId>
' 			</Fr>
' 			<To>
' 				<FIId>
' 					<FinInstnId>
' 						<BICFI>YYYYYYYYYY</BICFI>
' 					</FinInstnId>
' 				</FIId>
' 			</To>
' 			<BizMsgIdr>ZZZZZZZZAXXX999999999999999999999</BizMsgIdr>
' 			<MsgDefIdr>pacs.008.001.08</MsgDefIdr>
' 			<BizSvc>IPS</BizSvc>
' 			<CreDt>2017-09-13T18:18:00Z</CreDt>
' 		</AppHdr>
' 		<Document xmlns="urn:iso:std:iso:20022:tech:xsd:pacs.008.001.08">
' 			<FIToFICstmrCdtTrf>
' 				<GrpHdr>
' 					<MsgId>ZZZZZZZZAXXX999999999999999999999</MsgId>
' 					<CreDtTm>2017-09-13T18:18:00</CreDtTm>
' 					<NbOfTxs>1</NbOfTxs>
' 					<SttlmInf>
' 						<SttlmMtd>CLRG</SttlmMtd>
' 					</SttlmInf>
' 				</GrpHdr>
' 				<CdtTrfTxInf>
' 					<PmtId>
' 						<EndToEndId>NOTPROVIDED</EndToEndId>
' 						<TxId>ZZZZZZZZAXXX999999999999999999999</TxId>
' 					</PmtId>
' 					<PmtTpInf>
' 						<ClrChanl>RTNS</ClrChanl>
' 						<LclInstrm>
' 							<Prtry>CSCT</Prtry>
' 						</LclInstrm>
' 						<CtgyPurp>
' 							<Prtry>001</Prtry>
' 						</CtgyPurp>
' 					</PmtTpInf>
' 					<IntrBkSttlmAmt Ccy="JOD">71.12</IntrBkSttlmAmt>
' 					<IntrBkSttlmDt>2018-01-14</IntrBkSttlmDt>
' 					<ChrgBr>SLEV</ChrgBr>
' 					<InstgAgt>
' 						<FinInstnId>
' 							<BICFI>ZZZZZZZZ</BICFI>
' 						</FinInstnId>
' 					</InstgAgt>
' 					<InstdAgt>
' 						<FinInstnId>
' 							<BICFI>UBSIJOA0</BICFI>
' 						</FinInstnId>
' 					</InstdAgt>
' 					<Dbtr>
' 						<Nm>John Johnson</Nm>
' 					</Dbtr>
' 					<DbtrAcct>
' 						<Id>
' 							<IBAN>JO22CITI00000000000555555555</IBAN>
' 						</Id>
' 					</DbtrAcct>
' 					<DbtrAgt>
' 						<FinInstnId>
' 							<BICFI>ZZZZZZZZ</BICFI>
' 							<Othr>
' 								<Id>200004</Id>
' 								<SchmeNm>
' 									<Prtry>1700089999</Prtry>
' 								</SchmeNm>
' 							</Othr>
' 						</FinInstnId>
' 					</DbtrAgt>
' 					<DbtrAgtAcct>
' 						<Id>
' 							<IBAN>JO66CITI22222222222222222222</IBAN>
' 						</Id>
' 					</DbtrAgtAcct>
' 					<CdtrAgt>
' 						<FinInstnId>
' 							<BICFI>UBSIJOA0</BICFI>
' 							<Othr>
' 								<Id>210027</Id>
' 								<SchmeNm>
' 									<Prtry>1400199999</Prtry>
' 								</SchmeNm>
' 							</Othr>
' 						</FinInstnId>
' 					</CdtrAgt>
' 					<CdtrAgtAcct>
' 						<Id>
' 							<IBAN>JO44UBSI33333333333333333333</IBAN>
' 						</Id>
' 					</CdtrAgtAcct>
' 					<Cdtr>
' 						<Nm>Omega Jones</Nm>
' 					</Cdtr>
' 					<CdtrAcct>
' 						<Id>
' 							<IBAN>JO95UBSI00000000000777777777</IBAN>
' 						</Id>
' 					</CdtrAcct>
' 					<InstrForNxtAgt>
' 						<InstrInf>/BNF/Details</InstrInf>
' 					</InstrForNxtAgt>
' 					<Purp>
' 						<Prtry>5814</Prtry>
' 					</Purp>
' 					<RgltryRptg>
' 						<Dtls>
' 							<Inf>SOMEINFORMATIONABOUTPAYMENT-1</Inf>
' 							<Inf>SOMEINFORMATIONABOUTPAYMENT-2</Inf>
' 							<Inf>SOMEINFORMATIONABOUTPAYMENT-3</Inf>
' 						</Dtls>
' 					</RgltryRptg>
' 					<Tax>
' 						<Cdtr>
' 							<TaxId>9900083901</TaxId>
' 						</Cdtr>
' 						<Dbtr>
' 							<TaxId>1000387561</TaxId>
' 						</Dbtr>
' 					</Tax>
' 					<RmtInf>
' 						<Ustrd>EDV UCUN ODENIR</Ustrd>
' 						<Ustrd>EXTRA INFO</Ustrd>
' 					</RmtInf>
' 				</CdtTrfTxInf>
' 			</FIToFICstmrCdtTrf>
' 		</Document>
' 	</Body>
' </DataPDU>


Dim gen As New Chilkat.XmlDSigGen

gen.SigLocation = "DataPDU|Body|AppHdr|Sgntr"
gen.SigLocationMod = 0
gen.SigNamespacePrefix = "ds"
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SignedInfoCanonAlg = "EXCL_C14N"
gen.SignedInfoDigestMethod = "sha256"

' Set the KeyInfoId before adding references..
gen.KeyInfoId = "_f9f2c543-e50a-4a50-bd91-50155d27f7e2"

' Create an Object to be added to the Signature.
Dim object1 As New Chilkat.Xml
object1.Tag = "xades:QualifyingProperties"
object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
object1.UpdateAttrAt("xades:SignedProperties",True,"Id","_4ed8e0ed-f47c-4262-909b-0458532ce7aa-signedprops")
object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT")

gen.AddObject("",object1.GetXml(),"","")


' -------- Reference 1 --------
gen.AddSameDocRef("_f9f2c543-e50a-4a50-bd91-50155d27f7e2","sha256","EXCL_C14N","","")

' -------- Reference 2 --------
gen.AddObjectRef("_4ed8e0ed-f47c-4262-909b-0458532ce7aa-signedprops","sha256","EXCL_C14N","","http://uri.etsi.org/01903/v1.3.2#SignedProperties")

' -------- Reference 3 --------
gen.AddSameDocRef("","sha256","EXCL_C14N","","")

' Provide a certificate + private key. (PFX password is test123)
Dim cert As New Chilkat.Cert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> True) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If

gen.SetX509Cert(cert,True)

gen.KeyInfoType = "X509Data"
gen.X509Type = "IssuerSerial"

' Load XML to be signed...
Dim sbXml As New Chilkat.StringBuilder
xmlToSign.GetXmlSb(sbXml)

' Can alternatively use "CompactSignedXml"
gen.Behaviors = "IndentedSignature,LocalSigningTime"

' Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> True) Then
    Debug.WriteLine(gen.LastErrorText)
    Exit Sub
End If

' -----------------------------------------------

' Save the signed XML to a file.
success = sbXml.WriteFile("qa_output/mx_signed.xml","utf-8",False)

Debug.WriteLine(sbXml.GetAsString())

' ----------------------------------------
' Verify the signatures we just produced...
Dim verifier As New Chilkat.XmlDSig
success = verifier.LoadSignatureSb(sbXml)
If (success <> True) Then
    Debug.WriteLine(verifier.LastErrorText)
    Exit Sub
End If


' Important: The above signature did not include the full X.509 certificate.
' You must call verifier.SetPublicKey to provide the public key of the certificate required for validation.

Dim verifyCert As New Chilkat.Cert
success = verifyCert.LoadFromFile("qa_data/certs/cert_test123.cer")
If (success <> True) Then
    Debug.WriteLine(verifyCert.LastErrorText)
    Exit Sub
End If

Dim pubKey As Chilkat.PublicKey = verifyCert.ExportPublicKey()
verifier.SetPublicKey(pubKey)


Dim numSigs As Integer = verifier.NumSignatures
Dim verifyIdx As Integer = 0
While verifyIdx < numSigs
    verifier.Selector = verifyIdx
    Dim verified As Boolean = verifier.VerifySignature(True)
    If (verified <> True) Then
        Debug.WriteLine(verifier.LastErrorText)
        Exit Sub
    End If

    verifyIdx = verifyIdx + 1
End While
Debug.WriteLine("All signatures were successfully verified.")
 

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