Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people, just like you, are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
Solved

Sign documents with certificate from VB.NET 2010

Posted on 2016-10-26
8
36 Views
Last Modified: 2016-11-19
We have developed a Document Management System in VB.NET 2010. In the management system all types of documents can be added. In general, however, PDF, DOC, DOCX, XLS and XLSX documents are used.

I'm looking for a method to sign the documents with a personal certificate (from store of as a file) from the source code. I'm looking for a general method that can be used to each type of file.

Is there also a possibility to assigning a version number in such technique?

Regards,
Pirie
0
Comment
Question by:Pirie
8 Comments
 
LVL 29

Expert Comment

by:anarki_jimbel
ID: 41861531
0
 

Author Comment

by:Pirie
ID: 41863468
No, sorry. That is not what I am looking for.

Thanks anyway
0
 
LVL 32

Expert Comment

by:Robberbaron (robr)
ID: 41864884
can you advise what u mean by "Signing a file"...  PDF can be signed, as can EXE.

but not sure how to sign other doc types...  do you have a manual method currently ?

what is purpose of signing ?  if it to tell if modifications are made then usual method is to send a checksum with the document.
0
Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

 

Author Comment

by:Pirie
ID: 41881921
Hi,

We have a application that can manage any type of file. There is a need for a function that can sign a document with the personal certificate of a user. The reason for this is that a user can state in this way that he has seen the file and will mark it as accepted.

For example: if a JPG is linked into out management system, the user should have the possibility to select this file in our system and sign it with his personal certificate.

Any idea?
0
 

Accepted Solution

by:
Pirie earned 0 total points
ID: 41886253
Finally the best solution that I found is to use the iTextSharp library. Thanks for your comments.
0
 

Author Comment

by:Pirie
ID: 41886258
Finally the best solution that I found is to use the iTextSharp library. Thanks for your comments.
0
 
LVL 49

Expert Comment

by:Gustav Brock
ID: 41886286
OK, thanks for the feedback.

/gustav
0
 

Author Closing Comment

by:Pirie
ID: 41894058
Finally the best solution that I found is to use the iTextSharp library. Thanks for your comments.
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
tableview is not updating 1 20
VS2013 publish C# application Created folder -- where is it??? 10 27
abstract class C# 1 31
VS 2015 is giving [No relevant source lines] 2 26
Creating an analog clock UserControl seems fairly straight forward.  It is, after all, essentially just a circle with several lines in it!  Two common approaches for rendering an analog clock typically involve either manually calculating points with…
Entity Framework is a powerful tool to help you interact with the DataBase but still doesn't help much when we have a Stored Procedure that returns more than one resultset. The solution takes some of out-of-the-box thinking; read on!
This video shows how to use Hyena, from SystemTools Software, to bulk import 100 user accounts from an external text file. View in 1080p for best video quality.
I've attached the XLSM Excel spreadsheet I used in the video and also text files containing the macros used below. https://filedb.experts-exchange.com/incoming/2017/03_w12/1151775/Permutations.txt https://filedb.experts-exchange.com/incoming/201…

856 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question