detect pdf tampering

Posted by sean717 on Stack Overflow See other posts from Stack Overflow or by sean717
Published on 2010-06-08T21:52:18Z Indexed on 2010/06/09 2:52 UTC
Read the original article Hit count: 208

Filed under:

pdf

Hi, the web app I am currently working on generates a PDF file and sends to user who will use this PDF as a certificate.

My question is, how to make sure that this PDF file is impossible to be tampered by the user?

Thanks,

Related posts about pdf

PDF Converter wanted: Convert 8.5*11 PDF images into 600*800px PDF images for the Nook

as seen on Super User - Search for 'Super User'
I have PDF files that are maritime charts, For example this one from the Delaware Bay http://ocsdata.ncd.noaa.gov/BookletChart/12304_BookletChart_HomeEd.pdf There is a lot of detailed information in the image. When I show them on a monitor the details are shown. When I put them on the Nook they… >>> More
Loop through values and display in a pdf file

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello all! i have written the following code: As you can see there is a for loop to go through some values and display them in the generated pdf. The problem is that all the values are being written at the same place. I have tried to insert a new line but it does not seem to work. Can anyone suggest… >>> More
convert scanned images pdf file to searchable pdf file

as seen on Super User - Search for 'Super User'
I have a pdf of a scanned book. I'm looking for a free software that will perform ocr and then provide an option to save it as pdf/doc. Is there one? Thanks. >>> More
Integrate Nitro PDF Reader with Windows 7

as seen on How to geek - Search for 'How to geek'
Would you like a lightweight PDF reader that integrates nicely with Office and Windows 7? Here we look at the new Nitro PDF Reader, a nice PDF viewer that also lets you create and markup PDF files. Adobe Reader is the de-facto PDF viewer, but it only lets you view PDFs and not much else. … >>> More
foxpro to pdf and pdf to foxpro

as seen on Stack Overflow - Search for 'Stack Overflow'
how will i convert pdf database converted from foxpro back to foxpro >>> More

Developer IT

detect pdf tampering - Developer IT

detect pdf tampering

pdf

Related posts about pdf

PDF Converter wanted: Convert 8.511 PDF images into 600800px PDF images for the Nook

Loop through values and display in a pdf file

convert scanned images pdf file to searchable pdf file

Integrate Nitro PDF Reader with Windows 7

foxpro to pdf and pdf to foxpro

Categories cloud