Am 28.06.2017 um 10:11 schrieb Petr Masopust:
Hello,
signatureEncoded is equal to cmsSignature in your code. It is computed
by external company and I don't know how they create it and have no
control about their code. But their signature was correctly inserted
with pdfbox 1.8.12 and has invalid checksum with pdfbox 2.0.3.
But you did not call sign(externalSigning.getContent()), that is the
problem. So your code leaves it unclear where your signature came from,
i.e. whether it was calculated from the full PDF minus the signature
content area.
Tilman
Best regards
Petr Masopust
On 28.6.2017 10:04, Tilman Hausherr wrote:
Am 28.06.2017 um 09:55 schrieb Petr Masopust:
final ExternalSigningSupport externalSigningSupport
= doc.saveIncrementalForExternalSigning(sink);
externalSigningSupport.setSignature(signatureEncoded);
It's too difficult to read your hex dump. However your code above
looks weird: signatureEncoded is never computed. In the
CreateVisibleSignature sample code, it looks like this:
ExternalSigningSupport externalSigning =
doc.saveIncrementalForExternalSigning(fos);
// invoke external signature service
byte[] cmsSignature =
sign(externalSigning.getContent());
externalSigning.setSignature(cmsSignature);
doc.close();
signatureOptions.close();
I strongly recommend to start with the sample code.
Tilman
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