xmlsecurity/source/pdfio/pdfdocument.cxx | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
New commits:
commit b1434b95d15d5e7246b3c657a68f87445eede513
Author: Miklos Vajna <vmik...@collabora.co.uk>
Date: Tue Oct 25 19:55:16 2016 +0200
xmlsecurity PDF sign: use unique ID for a new signature
Otherwise Adobe Acrobat thinks they are different versions of the same
signature.
Change-Id: I454c7d87106e348fd70f18fad83f2c3aeda29dff
Reviewed-on: https://gerrit.libreoffice.org/30278
Reviewed-by: Miklos Vajna <vmik...@collabora.co.uk>
Tested-by: Jenkins <c...@libreoffice.org>
diff --git a/xmlsecurity/source/pdfio/pdfdocument.cxx
b/xmlsecurity/source/pdfio/pdfdocument.cxx
index dfd3938..fc942c1 100644
--- a/xmlsecurity/source/pdfio/pdfdocument.cxx
+++ b/xmlsecurity/source/pdfio/pdfdocument.cxx
@@ -297,6 +297,10 @@ bool PDFDocument::RemoveSignature(size_t nPosition)
bool PDFDocument::Sign(const uno::Reference<security::XCertificate>&
xCertificate, const OUString& rDescription)
{
+ // Decide what identifier to use for the new signature.
+ std::vector<PDFObjectElement*> aSignatures = GetSignatureWidgets();
+ sal_uInt32 nNextSignature = aSignatures.size() + 1;
+
m_aEditBuffer.WriteCharPtr("\n");
// Write signature object.
@@ -368,7 +372,9 @@ bool PDFDocument::Sign(const
uno::Reference<security::XCertificate>& xCertificat
m_aEditBuffer.WriteCharPtr("/P ");
m_aEditBuffer.WriteUInt32AsString(pFirstPage->GetObjectValue());
m_aEditBuffer.WriteCharPtr(" 0 R\n");
- m_aEditBuffer.WriteCharPtr("/T(Signature1)\n");
+ m_aEditBuffer.WriteCharPtr("/T(Signature");
+ m_aEditBuffer.WriteUInt32AsString(nNextSignature);
+ m_aEditBuffer.WriteCharPtr(")\n");
m_aEditBuffer.WriteCharPtr("/V ");
m_aEditBuffer.WriteUInt32AsString(nSignatureId);
m_aEditBuffer.WriteCharPtr(" 0 R\n");
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