Now could successfully verify signed files which had "cascaded namespace attributes".
The reason for the earlier failure seems to be when verifying larger (>40kB) signed files.
I got another (also Apache-XMLSignature-1.0.4) based tool from a colleague which gives some more detailed error messages. When verifying larger files I get:
java.io.UTFDataFormatException: invalid byte 1 -f 1-byteUTF-8 sequence (0xbf)
at org.apache.xerces.impl.io.UTF8Reader.read(UTF8Reader.java:678).
Is this a known issue ? Any idea what is wrong ?
When I decrease the file size by deleting elements, resign, and then validate again, everything goes fine. The critical file size seems to be around 40kB.
Best regards
JozefAerts Computer Chemistry Consultancy
----------------------------
From: Berin Lautenbach <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: going from signing xml file with DTD to signing xml file with Schema
Date: Sat, 21 Feb 2004 20:41:25 +1100
Jozef Aerts - Comp.Chem.Cons. - XML4Pharma wrote:Dear Berin,
Many thanks. Does the cascading down HAVE to happen ? Or can it be avoided ?
As I understand it (and maybe someone else can comment here!) - yes it does.
The C++ library bypasses this by keeping a record of the cascaded namespace attributes and then removing them after canonicalisation, but that hasn't been built into the Java library (yet... :>).
If it cannot be avoided, is there a way to "uncascade" it after signing, or at verification time ?
Not that I am aware of.
Unfortunately, the code from "the code below" was missing in your mail. Could you send it to me ?
Apologies - I meant your code (it was originally "below" when I quoted :>.) SO the question was - are you trying to validate a previously signed document that you have now added the schema attribute to, or are you signing a "schema document" and then the validation is failing? If the former, then the validation *should* fail. If the latter, then the validation should succeed, so we need to track down the problem.
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