Planet PDF Forum Archive

Planet PDF ForumWowsers! This is page is old, head to the LIVE Planet PDF Forum. It features more than 10 conferences, covering everything from beginner to in-depth developer and pre-press discussions. If you wish to continue... one & two archive covers 1999-2011 (160,000 pages).

New Forum | Previous | Next | (P-PDF) Developers

Topic: Re: Online comments - MD5 hashing
Conf: (P-PDF) Developers, Msg: 57859
From: dpstory
Date: 5/29/2002 05:28 PM

Take a look at the annots.js that comes with Acrobat

and consider the Collab.hashString() method.

For example,




This is what collaboration uses to hash the strings.

On 18 Jun 2001, at 20:22, p-pdf-developer Listmanager wrote:

> From: "Jakob"
> --- Planet PDF Forum | ----
> I'm currently trying to generate the exact same hash string as Acrobat 5.0
> does when saving online comments to ie. a network folder. As I understand
> Acrobat saves the comments in a network folder which name is the hashed value
> of the URL of the PDF viewed. I downloaded a VB module from
> and included it into a VB project - but
> when doing MD5 hashing of an URL it does not produce the same hash as Acrobat
> does. Am I understanding the Acrobat handling of online comments wrong?

Dr. D. P. Story / / (330) 972-7514 Dept of Mathematics
and Computer Science / University of Akron / Akron, Ohio 44325
AcroTeX Web Site:
Site Includes: e-Calculus, Algebra Review in Ten Lessons,
Mathematics Games, Pdfmarks:Links & Forms,
Using LaTeX to Create Quality PDF Documents for the WWW,
Web.sty and Exerquiz.sty Packages for LaTeX,
and much, much more.

PDF In-Depth Free Product Trials Ubiquitous PDF

Debenu Aerialist

The ultimate plug-in for Adobe Acrobat. Advanced splitting, merging, stamping, bookmarking, and link...

Download free demo

Debenu PDF Tools Pro

It's simple to use and will let you preview and edit PDF files, it's a Windows application that makes...

Download free demo

Back to the past, 15 years ago! Open Publish 2002

Looking back to 2002, it's amazing how much of the prediction became a reality. Take a read and see what you think!

September 14, 2017
Platinum Sponsor

Search Planet PDF
more searching options...
Planet PDF Newsletter
Most Popular Articles
Featured Product

Debenu PDF Aerialist

The ultimate plug-in for Adobe Acrobat. Advanced splitting, merging, stamping, bookmarking, and link control. Take Acrobat to the next level.


Adding a PDF Stamp Comment

OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.