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Question

Password protecting PDFs in an email....way to get random generated password for each WF instance?

Version 9 Workflow Business Processes
Updated January 31, 2014
asked on January 31, 2014

I have a process I am trying to implement in Workflow that I was hoping to use the "Encrypt PDF" capability to set a password for the document. 

 

I guess I need a few things,

  1. Does this functionality encrypt the PDF itself? so that when the PDF is on a users workstation that it would not be able to be opened without knowing the password?
  2. Can I use the "Find User" activity to pull a hashed value of the users login password that would be able to be used as the password for the document?
  3. Has anyone tried something like this?
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Answer

SELECTED ANSWER
replied on January 31, 2014 • Show version history

1: Yes

2: No.  Even if you could get the hash of the user's password, you couldn't use it to encrypt a PDF such that their password would decrypt it.

 

I know Adobe has some support for PKI, which sounds like it could be useful to you.  Our PDFs don't support it, but you should be able to find some library that does.

 

Your title asks about random passwords though, is that what you want?  You would need to communicate them out-of-band.

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replied on January 31, 2014

Any suggestions on getting random values to use as the password? Is there a certain text length we should be shooting for?

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Replies

replied on January 31, 2014

The PDF will require a password to open. The user's password is not available as a property in Find User. The password box takes tokens, so you could feed it a different password each time.

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replied on January 31, 2014

Thanks,

 

I guess now it is a question of how do I randomly come up with the value to put into that token. It is perfectly okay to send this password in the same email as the document or two send the password as a secondary email to the same person, we just need to ensure when they put it somewhere that it remains confidential and between the client and the user receiving the information as it is personal information they need to have but also protect when it's out of the Laserfiche system.

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replied on January 31, 2014

Top hit in Google search: stackoverflow.

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