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https://issues.apache.org/jira/browse/PDFBOX-4312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620995#comment-16620995
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Tilman Hausherr edited comment on PDFBOX-4312 at 9/20/18 4:05 AM:
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So I was able to reproduce the effect, see attached files. This 1.8 source code
{code:java}
public void saveIncremental( String fileName ) throws IOException,
COSVisitorException
{
saveIncremental(new BufferedInputStream(new FileInputStream(fileName)),
new BufferedOutputStream(new FileOutputStream(fileName, true)));
}
{code}
is suspicious, because one is writing on the same file than the one where one
is writing, but I'm not sure if the writing start offset is really correct.
was (Author: tilman):
So I was able to reproduce the effect, see attached files. This code
{code:java}
public void saveIncremental( String fileName ) throws IOException,
COSVisitorException
{
saveIncremental(new BufferedInputStream(new FileInputStream(fileName)),
new BufferedOutputStream(new FileOutputStream(fileName, true)));
}
{code}
is suspicious, because one is writing on the same file than the one where one
is writing, but I'm not sure if the writing start offset is really correct.
> Signature is not getting inserted into 00000 area
> -------------------------------------------------
>
> Key: PDFBOX-4312
> URL: https://issues.apache.org/jira/browse/PDFBOX-4312
> Project: PDFBox
> Issue Type: Bug
> Components: .NET, PDModel, Signing
> Affects Versions: 1.8.9
> Reporter: bal
> Priority: Major
> Attachments: Screenshot (30).png, Screenshot (31).png, Screenshot
> (31).png, testingSignature-signed-SaveIncremental-1param-bad-cutoff.pdf,
> testingSignature-signed-SaveIncremental-2param-good.pdf,
> testingSignature.pdf, testingSignature.pdf
>
>
> Hi ,
> I want to sign pdf using signature in pkcs 7 format . I am converting pkcs 7
> signature to byte array using Convert.FromBase64String method in .net . I am
> passing this byte array to sign method in signature interface which gets
> called after calling saveincremental. My byte array is inserting proper but
> the name of which signature is not shown when i open pdf. May be my byte
> conversion may not proper or something else i am doing wrong. please let me
> know.
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