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(CkPython) Sign with BinarySecurityToken

Demonstrates creating an XML signature using a BinarySecurityToken.

Chilkat Python Downloads

install with pip

pip3 install chilkat

or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

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

# -------------------------------------------------------------------------
# Load a cert + private key from a PFX.
cert = chilkat.CkCert()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (success != True):
    print(cert.lastErrorText())
    sys.exit()

# -------------------------------------------------------------------------
# Create the XML that is to be signed.
# 
# The XML we're creating can be found at Sample Pre-Signed XML with BinarySecurityToken
# The online tool at http://tools.chilkat.io/xmlCreate.cshtml can be used to generate the following XML creation code.
# 

xml = chilkat.CkXml()
xml.put_Tag("S:Envelope")
xml.AddAttribute("xmlns:S","http://www.w3.org/2003/05/soap-envelope")
xml.AddAttribute("xmlns:wsse11","http://docs.oasis-open.org/wss/oasis-wss-wssecurity-secext-1.1.xsd")
xml.AddAttribute("xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd")
xml.AddAttribute("xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
xml.AddAttribute("xmlns:xs","http://www.w3.org/2001/XMLSchema")
xml.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#")
xml.AddAttribute("xmlns:exc14n","http://www.w3.org/2001/10/xml-exc-c14n#")
xml.UpdateAttrAt("S:Header|To",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateAttrAt("S:Header|To",True,"wsu:Id","_5002")
xml.UpdateChildContent("S:Header|To","https://XXXXXXXXX")
xml.UpdateAttrAt("S:Header|Action",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateAttrAt("S:Header|Action",True,"xmlns:S","http://www.w3.org/2003/05/soap-envelope")
xml.UpdateAttrAt("S:Header|Action",True,"S:mustUnderstand","true")
xml.UpdateChildContent("S:Header|Action","http://docs.oasis-open.org/ws-sx/ws-trust/200512/RST/Issue")
xml.UpdateAttrAt("S:Header|ReplyTo",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateChildContent("S:Header|ReplyTo|Address","http://www.w3.org/2005/08/addressing/anonymous")
xml.UpdateAttrAt("S:Header|FaultTo",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateChildContent("S:Header|FaultTo|Address","http://www.w3.org/2005/08/addressing/anonymous")
xml.UpdateAttrAt("S:Header|MessageID",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateChildContent("S:Header|MessageID","uuid:e9033251-4ff0-4618-8baf-4952ab5fd207")
xml.UpdateAttrAt("S:Header|wsse:Security",True,"S:mustUnderstand","true")
xml.UpdateAttrAt("S:Header|wsse:Security|wsu:Timestamp",True,"xmlns:ns17","http://docs.oasis-open.org/ws-sx/ws-secureconversation/200512")
xml.UpdateAttrAt("S:Header|wsse:Security|wsu:Timestamp",True,"xmlns:ns16","http://schemas.xmlsoap.org/soap/envelope/")
xml.UpdateAttrAt("S:Header|wsse:Security|wsu:Timestamp",True,"wsu:Id","_1")

# Get the current date/time in timestamp format, such as "2018-05-23T02:38:27Z"
dt = chilkat.CkDateTime()
dt.SetFromCurrentSystemTime()
xml.UpdateChildContent("S:Header|wsse:Security|wsu:Timestamp|wsu:Created",dt.getAsTimestamp(False))
# Add 5 minutes.
dt.AddSeconds(300)
xml.UpdateChildContent("S:Header|wsse:Security|wsu:Timestamp|wsu:Expires",dt.getAsTimestamp(False))

xml.UpdateAttrAt("S:Header|wsse:Security|wsse:BinarySecurityToken",True,"xmlns:ns17","http://docs.oasis-open.org/ws-sx/ws-secureconversation/200512")
xml.UpdateAttrAt("S:Header|wsse:Security|wsse:BinarySecurityToken",True,"xmlns:ns16","http://schemas.xmlsoap.org/soap/envelope/")
xml.UpdateAttrAt("S:Header|wsse:Security|wsse:BinarySecurityToken",True,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")
xml.UpdateAttrAt("S:Header|wsse:Security|wsse:BinarySecurityToken",True,"EncodingType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary")
xml.UpdateAttrAt("S:Header|wsse:Security|wsse:BinarySecurityToken",True,"wsu:Id","uuid_43470044-78b4-4b23-926a-b7f590d24cb8")

bdCert = chilkat.CkBinData()
cert.ExportCertDerBd(bdCert)

# Get the cert as base64 on one line.
xml.UpdateChildContent("S:Header|wsse:Security|wsse:BinarySecurityToken",bdCert.getEncoded("base64"))
xml.UpdateAttrAt("S:Body|RequestSecurityToken",True,"xmlns","http://docs.oasis-open.org/ws-sx/ws-trust/200512")
xml.UpdateChildContent("S:Body|RequestSecurityToken|RequestType","http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|wsp:AppliesTo",True,"xmlns:wsp","http://schemas.xmlsoap.org/ws/2004/09/policy")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|wsp:AppliesTo|EndpointReference:EndpointReference",True,"xmlns:EndpointReference","http://www.w3.org/2005/08/addressing")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|wsp:AppliesTo|EndpointReference:EndpointReference",True,"xmlns","http://www.w3.org/2005/08/addressing")
xml.UpdateChildContent("S:Body|RequestSecurityToken|wsp:AppliesTo|EndpointReference:EndpointReference|Address","https://XXXXXXXXX/services")
xml.UpdateChildContent("S:Body|RequestSecurityToken|TokenType","http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims",True,"xmlns:i","http://schemas.xmlsoap.org/ws/2005/05/identity")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims",True,"Dialect","http://schemas.xmlsoap.org/ws/2005/05/identity")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType",True,"Optional","false")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/abn")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[1]",True,"Optional","false")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[1]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/commonname")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[2]",True,"Optional","false")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[2]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/credentialtype")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[3]",True,"Optional","false")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[3]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/samlsubjectid")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[4]",True,"Optional","false")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[4]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/fingerprint")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[5]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[5]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/sbr_personid")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[6]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[6]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/givennames")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[7]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[7]",True,"Uri","http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[8]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[8]",True,"Uri","http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[9]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[9]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/credentialadministrator")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[10]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[10]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/stalecrlminutes")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[11]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[11]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/subjectdn")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[12]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[12]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/issuerdn")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[13]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[13]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/notafterdate")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[14]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[14]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/certificateserialnumber")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[15]",True,"Optional","true")
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Claims|i:ClaimType[15]",True,"Uri","http://XXXXXXXXX/2008/06/identity/claims/previoussubject")

dt.SetFromCurrentSystemTime()
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Lifetime|wsu:Created",True,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
xml.UpdateChildContent("S:Body|RequestSecurityToken|Lifetime|wsu:Created",dt.getAsTimestamp(False))

# Add 40 minutes.
dt.AddSeconds(2400)
xml.UpdateAttrAt("S:Body|RequestSecurityToken|Lifetime|wsu:Expires",True,"xmlns:wsu","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")
xml.UpdateChildContent("S:Body|RequestSecurityToken|Lifetime|wsu:Expires",dt.getAsTimestamp(False))

xml.UpdateChildContent("S:Body|RequestSecurityToken|KeyType","http://docs.oasis-open.org/ws-sx/ws-trust/200512/SymmetricKey")
xml.UpdateChildContent("S:Body|RequestSecurityToken|KeySize","512")

# Examine the pre-signed XML
# println xml.GetXml();

# Build the custom KeyInfo XML we'll use:
# 
# 	    <wsse:SecurityTokenReference>
# 	        <wsse:Reference URI="#uuid_43470044-78b4-4b23-926a-b7f590d24cb8" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" /></wsse:SecurityTokenReference>

keyInfoXml = chilkat.CkXml()
keyInfoXml.put_Tag("wsse:SecurityTokenReference")
keyInfoXml.UpdateAttrAt("wsse:Reference",True,"URI","#uuid_43470044-78b4-4b23-926a-b7f590d24cb8")
keyInfoXml.UpdateAttrAt("wsse:Reference",True,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3")

# -------------------------------------------------------------------------
# Setup the XML Digital Signature Generator and add the XML Signature.
# 
gen = chilkat.CkXmlDSigGen()
gen.put_SigLocation("S:Envelope|S:Header|wsse:Security")
gen.put_SignedInfoPrefixList("wsse S")

gen.AddSameDocRef("_1","sha1","EXCL_C14N","wsu wsse S","")
gen.AddSameDocRef("_5002","sha1","EXCL_C14N","S","")

gen.put_KeyInfoType("Custom")
keyInfoXml.put_EmitXmlDecl(False)
gen.put_CustomKeyInfoXml(keyInfoXml.getXml())

# Specify the cert for signing (which has a private key because it was loaded from a PFX)
gen.SetX509Cert(cert,True)

# Indicated we want an indented signature for easier human reading.
gen.put_Behaviors("IndentedSignature")

# Sign the XML..
sbXml = chilkat.CkStringBuilder()
xml.GetXmlSb(sbXml)

success = gen.CreateXmlDSigSb(sbXml)
if (success != True):
    print(gen.lastErrorText())
    sys.exit()

# Examine the signed XML
print(sbXml.getAsString())

# The resulting signature (extracted from the surrounding XML) looks something like this:

# <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
#     <ds:SignedInfo>
#         <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
#             <ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse S" />
#         </ds:CanonicalizationMethod>
#         <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
#         <ds:Reference URI="#_1">
#             <ds:Transforms>
#                 <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
#                     <ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsu wsse S" />
#                 </ds:Transform>
#             </ds:Transforms>
#             <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
#             <ds:DigestValue>VAJMC/L/BDvml7Qv5CBMePbKDE8=</ds:DigestValue>
#         </ds:Reference>
#         <ds:Reference URI="#_5002">
#             <ds:Transforms>
#                 <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
#                     <ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="S" />
#                 </ds:Transform>
#             </ds:Transforms>
#             <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
#             <ds:DigestValue>sW/QFsk6kGv1dzeu0H9Qc/2kvAQ=</ds:DigestValue>
#         </ds:Reference>
#     </ds:SignedInfo>
#     <ds:SignatureValue>....</ds:SignatureValue>
#     <ds:KeyInfo>
#         <wsse:SecurityTokenReference>
#             <wsse:Reference URI="#uuid_43470044-78b4-4b23-926a-b7f590d24cb8" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" />
#         </wsse:SecurityTokenReference>
#     </ds:KeyInfo>
# </ds:Signature>
#
 

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