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(Swift 3,4,5...) Create EBICS Signature (XMLDSIG)See more EBICS ExamplesDemonstrates how to create an EBICS signature. (EBICS is the Electronic Banking Internet Communication Standard) Note: This example requires Chilkat v9.5.0.88 or above.
func chilkatTest() { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This is the sample XML to be signed: // <?xml version="1.0" encoding="UTF-8"?> // <ebicsRequest // xmlns="urn:org:ebics:H005" // xmlns:ds="http://www.w3.org/2000/09/xmldsig#" // xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" // xsi:schemaLocation="urn:org:ebics:H005 ebics_request_H005.xsd" // Version="H005" Revision="1"> // <header authenticate="true"> // <static> // <HostID>EBIXHOST</HostID> // <Nonce>BDA2312973890654FAC9879A89794E65</Nonce> // <Timestamp>2005-01-30T15:30:45.123Z</Timestamp> // <PartnerID>CUSTM001</PartnerID> // <UserID>USR100</UserID> // <Product Language="en" InstituteID="Institute ID">Product Identifier</Product> // <OrderDetails> // <AdminOrderType>BTU</AdminOrderType> // <BTUOrderParams> // <Service> // <ServiceName>SCT</ServiceName> // <MsgName>pain.001</MsgName> // </Service> // </BTUOrderParams> // </OrderDetails> // <BankPubKeyDigests> // <Authentication Version="X002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">1H/rQr2Axe9hYTV2n/tCp+3UIQQ=</Authentication> // <Encryption Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">2lwiueWOIER823jSoiOkjl+woeI=</Encryption> // </BankPubKeyDigests> // <SecurityMedium>0000</SecurityMedium> // <NumSegments>2</NumSegments> // </static> // <mutable> // <TransactionPhase>Initialisation</TransactionPhase> // </mutable> // </header> // <body> // <PreValidation authenticate="true"> // <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest> // </PreValidation> // <DataTransfer> // <DataEncryptionInfo authenticate="true"> // <EncryptionPubKeyDigest Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">..here hash value of the public bank key for encryption..</EncryptionPubKeyDigest> // <TransactionKey>EIGI4En6KEB6ArEzw+iq4N1wm6EptcyxXxStA...</TransactionKey> // <HostID>EBIXHOST</HostID> // </DataEncryptionInfo> // <SignatureData authenticate="true">n6KEB6ArEzw+iq4N1wm6EptcyxXxStAO...</SignatureData> // <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest> // </DataTransfer> // </body> // </ebicsRequest> // Load the above XML from a file. let sbXml = CkoStringBuilder()! var success: Bool = sbXml.loadFile("qa_data/xml_dsig/ebics/fileToSign.xml", charset: "utf-8") if success == false { print("Failed to load XML input file.") return } let gen = CkoXmlDSigGen()! // We're going to insert the signature between the </header> and the <body> gen.sigLocation = "ebicsRequest|header" // Set the SigLocationMod = 1 to insert *after* the SigLocation gen.sigLocationMod = 1 // We wish to use "ds" for the namespace.. gen.sigNamespacePrefix = "ds" gen.sigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#" // Specify canonicalization and hash algorithms gen.signedInfoCanonAlg = "C14N" gen.signedInfoDigestMethod = "sha256" // Add the reference. // For EBICS signatures, we pass the special keyword "EBICS" in the 1st argument. // This tells Chilkat to create the reference using URI="#xpointer(//*[@authenticate='true'])" // The "EBICS" keyword was introduced in Chilkat v9.5.0.88. gen.addSameDocRef("EBICS", digestMethod: "sha256", canonMethod: "C14N", prefixList: "", refType: "") // Provide our certificate + private key. (PFX password is test123) // (You'll use your own certificate, which can be loaded from many different sources by Chilkat, including smart cards.) let cert = CkoCert()! success = cert.loadPfxFile("qa_data/pfx/cert_test123.pfx", password: "test123") if success == false { print("\(cert.lastErrorText!)") return } success = gen.setX509Cert(cert, usePrivateKey: true) if success == false { print("\(gen.lastErrorText!)") return } // We don't want a KeyInfo to be included. gen.keyInfoType = "None" // Request an indented signature for readability. // This can be removed after debugging (for a more compact signature). gen.behaviors = "IndentedSignature" // Sign the XML. success = gen.createXmlDSigSb(sbXml) if success == false { print("\(gen.lastErrorText!)") return } // This is the XML with the EBICS signature added: // <?xml version="1.0" encoding="UTF-8"?> // <ebicsRequest // xmlns="urn:org:ebics:H005" // xmlns:ds="http://www.w3.org/2000/09/xmldsig#" // xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" // xsi:schemaLocation="urn:org:ebics:H005 ebics_request_H005.xsd" // Version="H005" Revision="1"> // <header authenticate="true"> // <static> // <HostID>EBIXHOST</HostID> // <Nonce>BDA2312973890654FAC9879A89794E65</Nonce> // <Timestamp>2005-01-30T15:30:45.123Z</Timestamp> // <PartnerID>CUSTM001</PartnerID> // <UserID>USR100</UserID> // <Product Language="en" InstituteID="Institute ID">Product Identifier</Product> // <OrderDetails> // <AdminOrderType>BTU</AdminOrderType> // <BTUOrderParams> // <Service> // <ServiceName>SCT</ServiceName> // <MsgName>pain.001</MsgName> // </Service> // </BTUOrderParams> // </OrderDetails> // <BankPubKeyDigests> // <Authentication Version="X002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">1H/rQr2Axe9hYTV2n/tCp+3UIQQ=</Authentication> // <Encryption Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">2lwiueWOIER823jSoiOkjl+woeI=</Encryption> // </BankPubKeyDigests> // <SecurityMedium>0000</SecurityMedium> // <NumSegments>2</NumSegments> // </static> // <mutable> // <TransactionPhase>Initialisation</TransactionPhase> // </mutable> // </header><AuthSignature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> // <ds:SignedInfo> // <ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> // <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/> // <ds:Reference URI="#xpointer(//*[@authenticate='true'])"> // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> // </ds:Transforms> // <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/> // <ds:DigestValue>jjLD90BedcIVxFENHse6pOnRubVUlHpKjXUF5BUd00k=</ds:DigestValue> // </ds:Reference> // </ds:SignedInfo> // <ds:SignatureValue>TlVgCXGf+3kKZ4LLwqxKoMaDZSBdiDRcGpdKB+tFZ7MZse9jDqtCai7PxcvRLC7yRGRj3XWrAB6IVqXh6tXGqiAtRfa7XjezvJTmUdMEJ3hTEgKqm7cKjjZX5C+lN5XTJghOy0X1bZBl/NBJu/aqY9s8PKsD5Cpm8bFkl2ReBBTCTSF5CRK3XZr+fvWuUX2sFrFS5UDXG8/cmhaKHT15LBOJgYuLYr80dtL251Jy20rIJ5KK8xUz9gpexE61Y/ml6mUPLm8YgdACRdNvCOPRLjCqYwFbnfgaVO6MtSRG819rWyNtBhqVxdzbntiV1UobKbwFiJ1LMMHF0NCo2LGLCw==</ds:SignatureValue> // </AuthSignature> // <body> // <PreValidation authenticate="true"> // <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest> // </PreValidation> // <DataTransfer> // <DataEncryptionInfo authenticate="true"> // <EncryptionPubKeyDigest Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">..here hash value of the public bank key for encryption..</EncryptionPubKeyDigest> // <TransactionKey>EIGI4En6KEB6ArEzw+iq4N1wm6EptcyxXxStA...</TransactionKey> // <HostID>EBIXHOST</HostID> // </DataEncryptionInfo> // <SignatureData authenticate="true">n6KEB6ArEzw+iq4N1wm6EptcyxXxStAO...</SignatureData> // <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest> // </DataTransfer> // </body> // </ebicsRequest> print("Here's the EBICS signed XML:") print("\(sbXml.getAsString()!)") print("----") // Verify the signature we just produced... let verifier = CkoXmlDSig()! success = verifier.loadSignatureSb(sbXml) if success == false { print("\(verifier.lastErrorText!)") return } // The signature has no KeyInfo, so we must externally provide the key. var pubKey: CkoPublicKey? = cert.exportPublicKey() success = verifier.setPublicKey(pubKey) if success == false { print("\(verifier.lastErrorText!)") pubKey = nil return } pubKey = nil success = verifier.verifySignature(true) if success == false { print("\(verifier.lastErrorText!)") return } print("EBICS signature verified.") } |
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