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(PowerShell) Create EBICS Signature (XMLDSIG)

See more EBICS Examples

Demonstrates 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.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# 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 = New-Object Chilkat.StringBuilder
$success = $sbXml.LoadFile("qa_data/xml_dsig/ebics/fileToSign.xml","utf-8")
if ($success -eq $false) {
    $("Failed to load XML input file.")
    exit
}

$gen = New-Object Chilkat.XmlDSigGen

# 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","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 = New-Object Chilkat.Cert
$success = $cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

$success = $gen.SetX509Cert($cert,$true)
if ($success -eq $false) {
    $($gen.LastErrorText)
    exit
}

# 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 -eq $false) {
    $($gen.LastErrorText)
    exit
}

# 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>

$("Here's the EBICS signed XML:")
$($sbXml.GetAsString())
$("----")

# Verify the signature we just produced...
$verifier = New-Object Chilkat.XmlDSig
$success = $verifier.LoadSignatureSb($sbXml)
if ($success -eq $false) {
    $($verifier.LastErrorText)
    exit
}

# The signature has no KeyInfo, so we must externally provide the key.
$pubKey = $cert.ExportPublicKey()
$success = $verifier.SetPublicKey($pubKey)
if ($success -eq $false) {
    $($verifier.LastErrorText)

    exit
}

$success = $verifier.VerifySignature($true)
if ($success -eq $false) {
    $($verifier.LastErrorText)
    exit
}

$("EBICS signature verified.")

 

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