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Software components for data protection, secure storage and transfer

PDF widget distributed signing

Also by EldoS: CallbackProcess
A component to control process creation and termination in Windows and .NET applications.
#25580
Posted: 07/09/2013 08:18:56
by Kees de Wit (Standard support level)
Joined: 06/13/2013
Posts: 17

Is there a way to insert the PDF widget after presigning?
#25582
Posted: 07/09/2013 08:22:11
by Vsevolod Ievgiienko (EldoS Corp.)

Thank you for contacting us.

Could you clarify what do you mean by "presigning"?
#25584
Posted: 07/09/2013 08:44:33
by Kees de Wit (Standard support level)
Joined: 06/13/2013
Posts: 17

Of course, sorry I was not clear.

As in the ASPNet_Distributed example the first step is to pre sign the document. This is what I mean with "presigning".

The second step is to complete the signature. Is it posible to insert or change the PDF widget in this stage?
#25592
Posted: 07/09/2013 11:59:26
by Ken Ivanov (EldoS Corp.)

Hello Kees,

I am afraid it is not possible, sorry. The body of the signature widget is included into the hash calculation procedure on the pre-signing stage, so altering (or inserting) it on the finalization stage invalidates the signature.
#25593
Posted: 07/09/2013 11:59:52
by Dmytro Bogatskyy (EldoS Corp.)

No, it is not possible. As signature widget should be signed.
As I understand, you want to include a user info into a signature widget, in this case you need to submit a public certificate or custom info in the first step (in the sample it is "Default" aspx file).
Also by EldoS: CallbackFilter
A component to monitor and control disk activity, track file and directory operations (create, read, write, rename etc.), alter file data, encrypt files, create virtual files.

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