XML Digital Signature throws NAMESPACE_ERR exception under OpenJDK 11 that works under Java SE 8, 9 and 10
Open eSignForms
yozons at gmail.com
Wed Feb 13 19:20:04 UTC 2019
Thanks, Sean. I was able to find the updated test case source code.
A preliminary review seems to show worthwhile changes to our code. That
is, the namespaces and such seem to make sense as you have them.
In particular, the use of:
domSignContext.putNamespacePrefix(XMLSignature.XMLNS, "dsig");
and adding this namespace to additional elements we added:
String xmlns = "http://uri.etsi.org/01903/v1.1.1#";
seem reasonable and an acceptable workaround for us. I'm not sure if
those were oversights from before, but likely were the result of it
being based on Oracle/Java example code from Java 6 days...
We'll incorporate your namespace changes in our code and test, but this
seems like it will work as I was able to confirm that your fixed version
seems to run on Java 10 and Java 11.
It is interesting that the fixed code, though, generates different
output on Java 10 and Java 11. I'm not positive, but it seems that Java
11 adds '
' to the end of many lines that aren't present in Java
10's output.
Under Java 10, a test run products this result:
<snapshot xmlns="http://open.esignforms.com/XMLSchema/2011"
timestamp="2019-02-13T11:02:30-08:00" type="document"><![CDATA[<html
xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p>Dummy HTML
document</p></body></html>]]><dsig:Signature
xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"
Id="OpenESignForms_Seal"><dsig:SignedInfo><dsig:CanonicalizationMethod
Algorithm="http://www.w3.org/2006/12/xml-c14n11#WithComments"/><dsig:SignatureMethod
Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha512"/><dsig:Reference
Id="Payload_Reference_ID" URI=""><dsig:Transforms><dsig:Transform
Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></dsig:Transforms><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>Zqmii2rv6C+bFM+CSO3s8sAGOrl67HEnv4t8XUgQd5iguf9m7vcVJn3pJz5inCZfx5V9lTtDaj0u
xbZSyWE5kQ==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#KeyInfo_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>kZM1pJpRXoeDuolU+kyK41BotQoW7ir5lfg/nNSMoC69bUC2OHzWbQ5Kug0gtrLVIuq5HRdzk6zc
2N2jA0WKMQ==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#QualifyingProperties_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>AFx1CJi739IWZwJL1Y5KU2B+ZioT3ONMBLwLTdT/NTysV/+KYF7lZMgEHaGtLxvc6haIKKKzZisr
r2YDQVgs5w==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#OpenESignForms_Seal_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>jhVDd7nvr4s2bu7LRNHb7yj2gQRzAE7fXcsgonq2Qsn4EWNfpqNEVUViIy9jh86tTs5ZiakaGAEs
l9YV1hNnEg==</dsig:DigestValue></dsig:Reference></dsig:SignedInfo><dsig:SignatureValue>izJCFA5lBOjc7zhlc/1Wrsu+/jd0o0aPtemm4hM7aMKJvzkKddhjaHRY9iX4qtMZJtl7L1qj4YGN
hxHc2Wjuj6F1ZFD9asPf/kumVliAqTwNvhfyVfmpbaZtzQVtOQWhNIC1PivbPfbwTKr1yztLbo0K
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7DfqeNdgiHwoQLdLzD/vj/00SWmcM67NWQNwblbPJ5MhVeFmh/fIbd7bkIyANbw1FAYIj1b+Hf8b
cZzC+lNecKxzkcY9/VZ3ny4kBBQmxwBLlojBa2ll8B9m+sYN0enRGwy9GG2eBY2Gb53KqAALQAUU
kjXjJYxrQh64Y2RTAgp01Nbfj7QbvuKW93YDR6cpjNTM7EfJfQM/cz+VHHngFCRr/N0/WmM4j0A=</dsig:SignatureValue><dsig:KeyInfo
Id="KeyInfo_ID"><dsig:KeyName>c42c747f-0f03-46a3-8ae8-81fc95464c8f</dsig:KeyName><dsig:KeyValue><dsig:RSAKeyValue><dsig:Modulus>kPCr+Fy0NInaICpnzDpGLkNQ93kd0NzZfTBfQOb3PUH1Bt4OrBWcvYoch7wUm6k1Il3apsi7s2B9
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VMfem/JPPYT/veThnefIgQk=</dsig:X509Certificate></dsig:X509Data></dsig:KeyInfo><dsig:Object><QualifyingProperties
xmlns:ns0="http://uri.etsi.org/01903/v1.1.1#"
ns0:Id="QualifyingProperties_ID"
xmlns="http://uri.etsi.org/01903/v1.1.1#"><SignedProperties><SignedSignatureProperties><SigningTime>2019-02-13T11:02:30-08:00</SigningTime></SignedSignatureProperties><SignedDataObjectProperties><DataObjectFormat
ns0:ObjectReference="#Payload_Reference_ID"><Description>description</Description><MimeType>text/html</MimeType></DataObjectFormat></SignedDataObjectProperties></SignedProperties></QualifyingProperties></dsig:Object><dsig:Object><dsig:SignatureProperties><dsig:SignatureProperty
Id="OpenESignForms_Seal_ID"
Target="#OpenESignForms_Seal"><OpenESignForms_XmlDigitalSignatureSeal
xmlns:ns0="http://open.esignforms.com/XMLSchema/2011"
ns0:DeploymentHostAddress="192.1.1.1"
xmlns:ns1="http://open.esignforms.com/XMLSchema/2011"
ns1:DeploymentHostName="open.esignforms.com"
xmlns:ns2="http://open.esignforms.com/XMLSchema/2011"
ns2:DeploymentId="1.1.1.1"
xmlns:ns3="http://open.esignforms.com/XMLSchema/2011"
ns3:SignerAddress="192.1.1.1"
xmlns:ns4="http://open.esignforms.com/XMLSchema/2011"
ns4:SignerAgent="No-Browser-Test"
xmlns:ns5="http://open.esignforms.com/XMLSchema/2011"
ns5:Timestamp="2019-02-13T11:02:30-08:00"
xmlns:ns6="http://open.esignforms.com/XMLSchema/2011"
ns6:Version="19.1.19"/></dsig:SignatureProperty></dsig:SignatureProperties></dsig:Object></dsig:Signature></snapshot>
while when run under Java 11 it shows what seems to be the same
(clearly, the digest/hashes aren't the same as the 'timestamp' differs
because they are actual times) except for lots of '
' added to the
digests and signatures:
<snapshot xmlns="http://open.esignforms.com/XMLSchema/2011"
timestamp="2019-02-13T11:01:22-08:00" type="document"><![CDATA[<html
xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p>Dummy HTML
document</p></body></html>]]><dsig:Signature
xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"
Id="OpenESignForms_Seal"><dsig:SignedInfo><dsig:CanonicalizationMethod
Algorithm="http://www.w3.org/2006/12/xml-c14n11#WithComments"/><dsig:SignatureMethod
Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha512"/><dsig:Reference
Id="Payload_Reference_ID" URI=""><dsig:Transforms><dsig:Transform
Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></dsig:Transforms><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>LdB/ydGxr3VUoTshQtOvQNmMZmt2OHgLax4tSk9Lqb1c+X1h4Uc/RBVXwfI9QrVnITBz85Fi8Bwr
7wyMjw84cA==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#KeyInfo_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>FkpexxTwhpCPHHsMrKGnBXE5hkZ/x10ArpzjX6ltYfOilvVAubzc9sNPwo6phw//ot1rSKPU5jTB
LRD7p7t50g==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#QualifyingProperties_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>LxB0xAsDxKqeyCflaSUgMQOMhoxP4Gl9GfvlpCiL/gd9rz36qG4roaFRl+4PBC+IxzGiRDOqzQYX
x6gSn5d1IQ==</dsig:DigestValue></dsig:Reference><dsig:Reference
URI="#OpenESignForms_Seal_ID"><dsig:DigestMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#sha512"/><dsig:DigestValue>Pqd+9yaeBMytcG1sTTpuq+Wrd3lZSC18j7lv6VQ6LjUSz9VN7uwVNNn1E79mY8H6XUI2jbd/IozM
oba2KF46ig==</dsig:DigestValue></dsig:Reference></dsig:SignedInfo><dsig:SignatureValue>IpdHZtzSw8TOnp0gfKMaCp30jJAPP8YCAIg4OBvRobIwHBFrG+O9v7peXRRA5nXi+fm4bdemi5jI
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OlNbqOO7rjuxtb+gt1iO2dTHfQhG99BCBQhC7AEMp67fIlPjEOECXldDTpzPMZ1K6cPlk22rpvc=</dsig:SignatureValue><dsig:KeyInfo
Id="KeyInfo_ID"><dsig:KeyName>184a40b0-78b6-4070-a7d7-1497078a06e4</dsig:KeyName><dsig:KeyValue><dsig:RSAKeyValue><dsig:Modulus>kPCr+Fy0NInaICpnzDpGLkNQ93kd0NzZfTBfQOb3PUH1Bt4OrBWcvYoch7wUm6k1Il3apsi7s2B9
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C+yaPI/mghmN2D2yZ3LZ3Z6k78Jl9BUV7PL5YyuxQmZjVP07lJvi6glLUm23o+c3c4D7rgHL4gM=</dsig:Modulus><dsig:Exponent>AQAB</dsig:Exponent></dsig:RSAKeyValue></dsig:KeyValue><dsig:X509Data><dsig:X509Certificate>MIIKvTCCCKWgAwIBAgIJAPaU10x5GhRQMA0GCSqGSIb3DQEBDQUAMIHYMU0wSwYDVQQDDERPcGVu
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VMfem/JPPYT/veThnefIgQk=</dsig:X509Certificate></dsig:X509Data></dsig:KeyInfo><dsig:Object><QualifyingProperties
xmlns:ns0="http://uri.etsi.org/01903/v1.1.1#"
ns0:Id="QualifyingProperties_ID"
xmlns="http://uri.etsi.org/01903/v1.1.1#"><SignedProperties><SignedSignatureProperties><SigningTime>2019-02-13T11:01:22-08:00</SigningTime></SignedSignatureProperties><SignedDataObjectProperties><DataObjectFormat
ns0:ObjectReference="#Payload_Reference_ID"><Description>description</Description><MimeType>text/html</MimeType></DataObjectFormat></SignedDataObjectProperties></SignedProperties></QualifyingProperties></dsig:Object><dsig:Object><dsig:SignatureProperties><dsig:SignatureProperty
Id="OpenESignForms_Seal_ID"
Target="#OpenESignForms_Seal"><OpenESignForms_XmlDigitalSignatureSeal
xmlns:ns0="http://open.esignforms.com/XMLSchema/2011"
ns0:DeploymentHostAddress="192.1.1.1"
xmlns:ns1="http://open.esignforms.com/XMLSchema/2011"
ns1:DeploymentHostName="open.esignforms.com"
xmlns:ns2="http://open.esignforms.com/XMLSchema/2011"
ns2:DeploymentId="1.1.1.1"
xmlns:ns3="http://open.esignforms.com/XMLSchema/2011"
ns3:SignerAddress="192.1.1.1"
xmlns:ns4="http://open.esignforms.com/XMLSchema/2011"
ns4:SignerAgent="No-Browser-Test"
xmlns:ns5="http://open.esignforms.com/XMLSchema/2011"
ns5:Timestamp="2019-02-13T11:01:22-08:00"
xmlns:ns6="http://open.esignforms.com/XMLSchema/2011"
ns6:Version="19.1.19"/></dsig:SignatureProperty></dsig:SignatureProperties></dsig:Object></dsig:Signature></snapshot>
It's particularly odd because hex 13 isn't a typical character (^S).
Any idea what that difference is about for the base64 digests and
signatures?
David
On 2/13/19 6:03 AM, Sean Mullan wrote:
> On 2/12/19 6:28 PM, Open eSignForms wrote:
>> Thanks for the update, Sean. I'm a bit perplexed because I found the
>> original code works under Java 9 and Java 10, so it seems like the
>> change occurred in Java 11.
>
> Sorry, that was a typo, I meant to say JDK 11.
>
>> I don't see the modified version of the test case. If you attached
>> it, it somehow didn't make it through to me.
>>
>> If it's just a matter of making the code more correct, we'd love to
>> make the changes. My concern, of course, is that we've already done
>> millions of XML digital signatures, so we need that to continue to
>> verify correctly (and even under Java 11, it seems that the verify
>> code works against previously digitally signed content) even if we
>> now start digitally signing using more update-to-date code.
>
> The verification of pre-existing signatures should continue to work
> regardless of how this bug is addressed.
>
>> Please send over the modified test case and I'll take a look.
>
> It is attached to the bug report in the Attachments section:
> https://bugs.openjdk.java.net/browse/JDK-8218629 (make sure you
> download the one I added yesterday).
>
> --Sean
>
>>
>> Thanks!
>> David
>>
>> On 2/12/19 2:14 PM, Sean Mullan wrote:
>>> The bug is now at https://bugs.openjdk.java.net/browse/JDK-8218629
>>>
>>> I have started looking at this issue and have some progress I can
>>> report.
>>>
>>> In JDK 9, we updated the version of the Apache XML Signature
>>> implementation in the JDK. Some of the marshalling code was
>>> rewritten such that it will throw Exceptions if legacy DOM level 1
>>> methods were used to create XML content which is then passed into
>>> XMLObject and similar XMLSignature types that take DOMStructure
>>> objects. This is because the DOM level 1 methods do not support
>>> namespaces.
>>>
>>> I am still evaluating what the best fix is. However, you can
>>> workaround the issue by always using DOM level 3 methods which are
>>> namespace aware. For example, use Document.createElementNS instead
>>> of Document.createElement and Element.createAttributeNS instead of
>>> Element.createAttribute.
>>>
>>> Using legacy or non-namespace aware XML parsers or implementations
>>> is not recommended and the XML Signature Best Practices document
>>> gives some rationale:
>>> https://www.w3.org/TR/xmldsig-bestpractices/#signing-xml-without-namespaces
>>>
>>> That said, this is a regression in behavior so it would be best if
>>> we could restore the previous behavior.
>>>
>>> I have attached a modified version of the test case to the bug
>>> report which no longer throws an Exception. Let me know if this is
>>> an acceptable workaround. Double-check the namespaces that I used to
>>> make sure they are correct.
>>>
>>> --Sean
>>>
>>>
>>> On 2/7/19 11:23 AM, Open eSignForms wrote:
>>>
>>>> On 2/7/19 7:49 AM, Sean Mullan wrote:
>>>>> On 2/6/19 4:51 PM, Open eSignForms wrote:
>>>>>> I have a test version of the code that can run standalone and
>>>>>> shows the bug. I'm not sure how best to transfer this
>>>>>> information to the forum for those to play with, but it is
>>>>>> included below.
>>>>>
>>>>> Thanks, I can reproduce the issue now. I will need to debug
>>>>> further to see what might be causing this.
>>>>>
>>>>> --Sean
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