Digitally sign documents on Linux with ONLYOFFICE Desktop Editors

 

One of the crucial dependable methods to guard paperwork and their contents from any modifications is to make use of a digital signature. It’s a mathematical approach used to verify the authenticity and integrity of a doc. In different phrases, a digital signature creates a digital fingerprint that’s distinctive to an individual and used to determine customers and shield knowledge.

If you wish to make doc alternate safer with a digital signature, we advocate utilizing it ONLYOFFICE desktop editors. It is a free workplace software designed for creating and modifying textual content paperwork, spreadsheets, and displays. The desktop software is absolutely appropriate with Microsoft Workplace codecs and may be simply put in on any Linux distribution.

The not too long ago launched model brings with it many helpful options reminiscent of Seafile integration, password safety, knowledge validation, flipchart slices, customized quantity codecs, picture desk, new features, and new proofreading choices for displays. Nevertheless, one of the vital updates is the power to make use of digital signatures to guard a doc.

On this article, you may learn to add seen and invisible digital signatures to your paperwork and handle them utilizing ONLYOFFICE desktop editors On Linux.

{Hardware} necessities

• processor: 2-core 2 GHz or higher.
• RAM: 2 GB or extra.
• HDD: at the very least 2 GB of free area.
• Working system: 64-bit Linux distribution with kernel model 3.8 or later.

Putting in ONLYOFFICE desktop editors On Linux.

Putting in ONLYOFFICE Desktop Editors on Linux

 

First, you should have a desktop software put in in your laptop. Let’s shortly undergo the set up course of in numerous Linux distributions.

Set up ONLYOFFICE Desktop Editors on Debian, Ubuntu and Mint

Set up the appliance Ubuntu and its derivatives, you should first add a GPG key:

$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys CB2DE8E5

Then add an archive of desktop editors with any textual content editor /and so forth/apt/sources.listing file (requires administrator privileges):

$ sudo nano /and so forth/apt/sources.listing

Add the next document to the tip of the file.

deb https://obtain.onlyoffice.com/repo/debian squeeze foremost

Replace package deal supervisor cache:

$ sudo apt-get replace

Editors can now be simply put in with this command:

$ sudo apt-get set up onlyoffice-desktopeditors

Set up ONLYOFFICE Desktop Editors on RHEL, CentOS and Fedora

Step one is so as to add the yum archive with the next command.

$ sudo yum set up https://obtain.onlyoffice.com/repo/centos/foremost/noarch/onlyoffice-repo.noarch.rpm

Then it’s a must to add EPEL archive:

$ sudo yum set up epel-release

Editors can now be simply put in with the next command:

sudo yum set up onlyoffice-desktopeditors -y

You too can obtain the most recent model from the ONLYOFFICE Desktop Editors web site from the official web site.

Add an invisible digital signature to paperwork

When you have a legitimate certificates authority certificates, you may add two varieties of digital signatures. A visual signature accommodates metadata with a visual character indicating that it’s signed. An invisible signature omits this seen character.

So as to add an invisible signature to a doc, spreadsheet, or presentation:

1. Begin ONLYOFFICE Desktop Editors.
2. Open the required file.
3. Swap to the Safety tab from the highest toolbar.
4. Click on the Signature button.
5. Choose the Add digital signature choice (you probably have made some modifications to the doc, you may be prompted to put it aside).
6. Fill within the Goal of signing this doc area within the window that opens.

Add an invisible digital signature

1. Click on the Choose button to pick out the digital certificates.
2. Click on the button subsequent to the chosen certificates file… area.

Choose Digital Certificates

1. select .crt file and choose Open (in case your certificates is password protected, you should enter it within the corresponding area).
2. Click on OK and click on the button subsequent to the Choose Key File … area.

Choose Digital Certificates Key

1. select .key file and click on Open (if the secret is password protected, you should enter it within the corresponding area).
2. Click on OK.

That was the final step. Pat on the again! You have got simply efficiently added an invisible digital signature, and the doc is now protected against different edits. A pop-up window in the proper sidebar signifies {that a} legitimate signature exists and the doc can’t be edited.

Invisible digital signature added to doc

The added signature is just not seen. Nevertheless, you may view details about it in the proper sidebar. This info consists of the identify of the proprietor, the date, and the time the signature was added. In the event you click on on a signature, you may choose the next choices from the context menu:

• Signature info to open the corresponding certificates and look at its particulars.
• Delete signature to delete the signature.

Add a visual digital signature line

So as to add a visual signature to a doc, you should first add a signature line. It means that you can signal the doc your self by including a visual character (a visible illustration of your digital signature). You too can use the signature line to ship a doc to different folks for digital signing.

To create a signature line, comply with these steps:

1. Begin ONLYOFFICE Desktop Editors.
2. Place the mouse cursor the place you wish to add the signature line.
3. Swap to the Safety tab from the highest toolbar.
4. Click on the Signature button.
5. Choose the Add Signature Line choice (you probably have made some modifications to the doc, you may be prompted to put it aside).
6. Within the Signature Settings window, fill in all required fields (Identify, Signatory Title, E-mail, Signatory Directions).

Add a signature line

1. Choose the Present signing date within the signature line choice is required.
2. Click on OK and save the doc.

That is it. The doc now has a signature line. If you need, you may add a number of signature strains relying on the variety of signers. You too can edit the added signature line by clicking Signature Settings icon in the proper sidebar. To delete a signature line, choose it within the textual content and press Take away.

Add a visual digital signature to paperwork

Now that you understand how so as to add a signature line, you may add a visual signature to it:

1. Double-click the signature line.
2. Choose the Login choice from the menu.
3. Fill within the corresponding fields within the Signal Doc window.

Add a visual digital signature

1. Choose a digital certificates (repeat solely the identical process as when including an invisible signature).
2. Click on the OK button so as to add your signature to the doc.

Take away a digital signature from paperwork

When a digital signature is added, the doc is protected against modifying. To edit it, click on Edit anyway choice within the pop-up window on the proper, and any digital signatures added are mechanically deleted.

Alternatively, you may delete all signatures File tab. Simply click on Shield and choose Edit doc button.

Take away the digital signature from the paperwork

Only a fast reminder: Digitally signal paperwork are at present solely out there in ONLYOFFICE Desktop Editors. In the event you add a digitally signed file to the cloud workplace and attempt to edit it, the added signatures might be deleted.

We hope you discovered this information helpful. With ONLYOFFICE desktop modifying software program, you may simply shield confidential paperwork with a digital signature and make sure that they arrive from you.

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