(Chilkat2-Python) Create EBICS SignaturePubKeyOrderData XML

See more EBICS Examples

Demonstrates how to create the EBICS SignaturePubKeyOrderData XML. (EBICS is the Electronic Banking Internet Communication Standard)

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

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

# The goal of this example is to create the XML shown below from the certificate to be used for signing.

# <?xml version="1.0" encoding="UTF-8"?>
# <SignaturePubKeyOrderData xmlns="http://www.ebics.org/S001" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ebics.org/S002">
#   <SignaturePubKeyInfo>
#     <ds:X509Data>
#       <X509IssuerSerial>
#         <ds:X509IssuerName>C=FR, O=Example, OU=1234, CN=Example eID User, OrganizationID=SI:FR-1234</ds:X509IssuerName>
#         <ds:X509SerialNumber>73FFFFB881F1629982F787DF161EFFFF</ds:X509SerialNumber>
#       </X509IssuerSerial>
#       <ds:X509Certificate>
#         MIIJT...kE=
#       </ds:X509Certificate>
#     </ds:X509Data>
#     <PubKeyValue>
#       <ds:RSAPublicKey>
#        <ds:Modulus>wedQ...22Kw==</ds:Modulus>
#         <ds:Exponent>AQAB</ds:Exponent>
#       </ds:RSAPublicKey>
#     </PubKeyValue>
#     <SignatureVersion>A005</SignatureVersion>
#   </SignaturePubKeyInfo>
#   <PartnerID/>
#   <UserID/>
# </SignaturePubKeyOrderData>

cert = chilkat2.Cert()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (success == False):
    print(cert.LastErrorText)
    sys.exit()

xml = chilkat2.Xml()
xml.Tag = "SignaturePubKeyOrderData"
xml.AddAttribute("xmlns","http://www.ebics.org/S001")
xml.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#")
xml.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance")
xml.AddAttribute("xsi:schemaLocation","http://www.ebics.org/S002")
xml.UpdateChildContent("SignaturePubKeyInfo|ds:X509Data|X509IssuerSerial|ds:X509IssuerName",cert.IssuerDN)
xml.UpdateChildContent("SignaturePubKeyInfo|ds:X509Data|X509IssuerSerial|ds:X509SerialNumber",cert.SerialNumber)
xml.UpdateChildContent("SignaturePubKeyInfo|ds:X509Data|ds:X509Certificate",cert.GetEncoded())

# pubkey is a CkPublicKey
pubkey = cert.ExportPublicKey()
xmlPubKey = chilkat2.Xml()
xmlPubKey.LoadXml(pubkey.GetXml())

# The public key XML will look like this:
# 
# <RSAPublicKey>
#   <Modulus>...</Modulus>
#   <Exponent>...</Exponent>
# </RSAPublicKey>

xml.UpdateChildContent("SignaturePubKeyInfo|PubKeyValue|ds:RSAPublicKey|ds:Modulus",xmlPubKey.GetChildContent("Modulus"))
xml.UpdateChildContent("SignaturePubKeyInfo|PubKeyValue|ds:RSAPublicKey|ds:Exponent",xmlPubKey.GetChildContent("Exponent"))
xml.UpdateChildContent("SignaturePubKeyInfo|SignatureVersion","A005")
xml.UpdateChildContent("PartnerID","")
xml.UpdateChildContent("UserID","")

print(xml.GetXml())