C# UBL 2.1 signature





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I need to sign an UBL 2.1 Invoice using c#.
The proble is that, after signing i need the Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" to be embeded in



an UBLExtensions element, like so



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">









I have tried to add these elements at a later time, but the signature is not considered valid.



I don't have any experience signing XML files, so any help would be much apreciated



EDIT



The initial XML file is



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
... Invoice Elements
</Invoice>


I need to produce something like



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
<ext:UBLExtensions>
<ext:UBLExtension xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2" xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2">
<ext:ExtensionContent>
<sig:UBLDocumentSignatures>
<sac:SignatureInformation>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
... signature contents produced by signed xml class
</Signature>
</sac:SignatureInformation>
</sig:UBLDocumentSignatures>
</ext:ExtensionContent>
</ext:UBLExtension>
</ext:UBLExtensions>
... Invoice Elements
</Invoice>


If I add these elements at a later time, the signature is considered invalid.



Again, any help will be highly appreciated.



The link to the actual signed file is this one:
signed_xml










share|improve this question

























  • Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

    – jdweng
    Jan 3 at 12:20











  • Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

    – MSantos
    Jan 3 at 12:31











  • Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

    – jdweng
    Jan 3 at 12:34











  • No, i just edited my question, hope it clarifies the subject. But thanks anyway.

    – MSantos
    Jan 3 at 13:25











  • I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

    – jdweng
    Jan 3 at 13:52


















0















I need to sign an UBL 2.1 Invoice using c#.
The proble is that, after signing i need the Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" to be embeded in



an UBLExtensions element, like so



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">









I have tried to add these elements at a later time, but the signature is not considered valid.



I don't have any experience signing XML files, so any help would be much apreciated



EDIT



The initial XML file is



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
... Invoice Elements
</Invoice>


I need to produce something like



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
<ext:UBLExtensions>
<ext:UBLExtension xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2" xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2">
<ext:ExtensionContent>
<sig:UBLDocumentSignatures>
<sac:SignatureInformation>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
... signature contents produced by signed xml class
</Signature>
</sac:SignatureInformation>
</sig:UBLDocumentSignatures>
</ext:ExtensionContent>
</ext:UBLExtension>
</ext:UBLExtensions>
... Invoice Elements
</Invoice>


If I add these elements at a later time, the signature is considered invalid.



Again, any help will be highly appreciated.



The link to the actual signed file is this one:
signed_xml










share|improve this question

























  • Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

    – jdweng
    Jan 3 at 12:20











  • Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

    – MSantos
    Jan 3 at 12:31











  • Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

    – jdweng
    Jan 3 at 12:34











  • No, i just edited my question, hope it clarifies the subject. But thanks anyway.

    – MSantos
    Jan 3 at 13:25











  • I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

    – jdweng
    Jan 3 at 13:52














0












0








0








I need to sign an UBL 2.1 Invoice using c#.
The proble is that, after signing i need the Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" to be embeded in



an UBLExtensions element, like so



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">









I have tried to add these elements at a later time, but the signature is not considered valid.



I don't have any experience signing XML files, so any help would be much apreciated



EDIT



The initial XML file is



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
... Invoice Elements
</Invoice>


I need to produce something like



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
<ext:UBLExtensions>
<ext:UBLExtension xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2" xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2">
<ext:ExtensionContent>
<sig:UBLDocumentSignatures>
<sac:SignatureInformation>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
... signature contents produced by signed xml class
</Signature>
</sac:SignatureInformation>
</sig:UBLDocumentSignatures>
</ext:ExtensionContent>
</ext:UBLExtension>
</ext:UBLExtensions>
... Invoice Elements
</Invoice>


If I add these elements at a later time, the signature is considered invalid.



Again, any help will be highly appreciated.



The link to the actual signed file is this one:
signed_xml










share|improve this question
















I need to sign an UBL 2.1 Invoice using c#.
The proble is that, after signing i need the Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" to be embeded in



an UBLExtensions element, like so



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">









I have tried to add these elements at a later time, but the signature is not considered valid.



I don't have any experience signing XML files, so any help would be much apreciated



EDIT



The initial XML file is



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
... Invoice Elements
</Invoice>


I need to produce something like



<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
<ext:UBLExtensions>
<ext:UBLExtension xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2" xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2">
<ext:ExtensionContent>
<sig:UBLDocumentSignatures>
<sac:SignatureInformation>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
... signature contents produced by signed xml class
</Signature>
</sac:SignatureInformation>
</sig:UBLDocumentSignatures>
</ext:ExtensionContent>
</ext:UBLExtension>
</ext:UBLExtensions>
... Invoice Elements
</Invoice>


If I add these elements at a later time, the signature is considered invalid.



Again, any help will be highly appreciated.



The link to the actual signed file is this one:
signed_xml







c# xml x509certificate signedxml






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 3 at 18:01







MSantos

















asked Jan 3 at 12:09









MSantosMSantos

135




135













  • Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

    – jdweng
    Jan 3 at 12:20











  • Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

    – MSantos
    Jan 3 at 12:31











  • Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

    – jdweng
    Jan 3 at 12:34











  • No, i just edited my question, hope it clarifies the subject. But thanks anyway.

    – MSantos
    Jan 3 at 13:25











  • I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

    – jdweng
    Jan 3 at 13:52



















  • Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

    – jdweng
    Jan 3 at 12:20











  • Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

    – MSantos
    Jan 3 at 12:31











  • Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

    – jdweng
    Jan 3 at 12:34











  • No, i just edited my question, hope it clarifies the subject. But thanks anyway.

    – MSantos
    Jan 3 at 13:25











  • I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

    – jdweng
    Jan 3 at 13:52

















Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

– jdweng
Jan 3 at 12:20





Do you mean the signature is not meeting schema requirements? Take xml that is failing and paste in view as follows from VS menu : Project : Add new Item : Xml file. Errors will show as compiler errors in Error View. You should be able to click on schema(s) to see the actual schema requirement that is failing.

– jdweng
Jan 3 at 12:20













Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

– MSantos
Jan 3 at 12:31





Thank you for your time but I have no schema validation problems. The problem lies within the signature itself.

– MSantos
Jan 3 at 12:31













Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

– jdweng
Jan 3 at 12:34





Do you mean like in following SOAP : stackoverflow.com/questions/46722997/…

– jdweng
Jan 3 at 12:34













No, i just edited my question, hope it clarifies the subject. But thanks anyway.

– MSantos
Jan 3 at 13:25





No, i just edited my question, hope it clarifies the subject. But thanks anyway.

– MSantos
Jan 3 at 13:25













I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

– jdweng
Jan 3 at 13:52





I think it is failing the schema check for ExtensionContent. See schema at following URL : github.com/ept/oaccounts/blob/master/xsd/common/… Look at line 141. There is no definition. Line 138 indicates the min and max are 1. Must Have. It also indicates the names space is xsd while you have ext.

– jdweng
Jan 3 at 13:52












1 Answer
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The problem was that the extension elements must be placed on the document before the signing process. Shame on me!
Thak you for your time!






share|improve this answer
























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    The problem was that the extension elements must be placed on the document before the signing process. Shame on me!
    Thak you for your time!






    share|improve this answer




























      0














      The problem was that the extension elements must be placed on the document before the signing process. Shame on me!
      Thak you for your time!






      share|improve this answer


























        0












        0








        0







        The problem was that the extension elements must be placed on the document before the signing process. Shame on me!
        Thak you for your time!






        share|improve this answer













        The problem was that the extension elements must be placed on the document before the signing process. Shame on me!
        Thak you for your time!







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 22 at 18:10









        MSantosMSantos

        135




        135
































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