Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
Create EBICS Signature (XMLDSIG)
See more EBICS Examples
Demonstrates how to create an EBICS signature. (EBICS is the Electronic Banking Internet Communication Standard)Chilkat Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.StringBuilder,
Chilkat.PublicKey,
Chilkat.XmlDSigGen,
Chilkat.Cert,
Chilkat.XmlDSig;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
sbXml: TStringBuilder;
gen: TXmlDSigGen;
cert: TCert;
verifier: TXmlDSig;
pubKey: TPublicKey;
begin
success := False;
// 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.
sbXml := TStringBuilder.Create;
success := sbXml.LoadFile('qa_data/xml_dsig/ebics/fileToSign.xml','utf-8');
if (success = False) then
begin
WriteLn('Failed to load XML input file.');
Exit;
end;
gen := TXmlDSigGen.Create;
// 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'])"
gen.AddSameDocRef('EBICS','sha256','C14N','','');
// 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.)
cert := TCert.Create;
success := cert.LoadPfxFile('qa_data/pfx/cert_test123.pfx','test123');
if (success = False) then
begin
WriteLn(cert.LastErrorText);
Exit;
end;
success := gen.SetX509Cert(cert,True);
if (success = False) then
begin
WriteLn(gen.LastErrorText);
Exit;
end;
// 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) then
begin
WriteLn(gen.LastErrorText);
Exit;
end;
// 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>
WriteLn('Here''s the EBICS signed XML:');
WriteLn(sbXml.GetAsString());
WriteLn('----');
// Verify the signature we just produced...
verifier := TXmlDSig.Create;
success := verifier.LoadSignatureSb(sbXml);
if (success = False) then
begin
WriteLn(verifier.LastErrorText);
Exit;
end;
// The signature has no KeyInfo, so we must externally provide the key.
pubKey := TPublicKey.Create;
cert.GetPublicKey(pubKey);
success := verifier.SetPublicKey(pubKey);
if (success = False) then
begin
WriteLn(verifier.LastErrorText);
Exit;
end;
success := verifier.VerifySignature(True);
if (success = False) then
begin
WriteLn(verifier.LastErrorText);
Exit;
end;
WriteLn('EBICS signature verified.');
sbXml.Free;
gen.Free;
cert.Free;
verifier.Free;
pubKey.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.