Digitally signal paperwork on Linux with ONLYOFFICE Desktop Editors

One of many essential reliable strategies to protect paperwork and their contents from any modifications is to utilize a digital signature. It is a mathematical method used to confirm the authenticity and integrity of a doc. In several phrases, a digital signature creates a digital fingerprint that is distinctive to a person and used to find out prospects and defend data.

Should you want to make doc alternate safer with a digital signature, we advocate using it ONLYOFFICE desktop editors. It’s a free office software program designed for creating and modifying textual content material paperwork, spreadsheets, and shows. The desktop software program is completely applicable with Microsoft Office codecs and could also be merely put in on any Linux distribution.

The not too way back launched mannequin brings with it many useful choices harking back to Seafile integration, password security, data validation, flipchart slices, personalized amount codecs, image desk, new options, and new proofreading decisions for shows. Nonetheless, one of many very important updates is the facility to utilize digital signatures to protect a doc.

On this text, you could study so as to add seen and invisible digital signatures to your paperwork and deal with them using ONLYOFFICE desktop editors On Linux.

{{Hardware}} requirements

• processor: 2-core 2 GHz or greater.
• RAM: 2 GB or further.
• HDD: on the very least 2 GB of free space.
• Working system: 64-bit Linux distribution with kernel mannequin 3.8 or later.

Placing in ONLYOFFICE desktop editors On Linux.

Placing in ONLYOFFICE Desktop Editors on Linux

 

First, it’s best to have a desktop software program put in in your laptop computer. Let’s shortly endure the arrange course of in quite a few Linux distributions.

Arrange ONLYOFFICE Desktop Editors on Debian, Ubuntu and Mint

Arrange the equipment Ubuntu and its derivatives, it’s best to 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 material editor /and so forth/apt/sources.itemizing file (requires administrator privileges):

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

Add the following doc to the tip of the file.

deb https://get hold of.onlyoffice.com/repo/debian squeeze foremost

Exchange package deal deal supervisor cache:

$ sudo apt-get substitute

Editors can now be merely put in with this command:

$ sudo apt-get arrange onlyoffice-desktopeditors

Arrange ONLYOFFICE Desktop Editors on RHEL, CentOS and Fedora

The first step is in order so as to add the yum archive with the following command.

$ sudo yum arrange https://get hold of.onlyoffice.com/repo/centos/foremost/noarch/onlyoffice-repo.noarch.rpm

Then it is a should so as to add EPEL archive:

$ sudo yum arrange epel-release

Editors can now be merely put in with the following command:

sudo yum arrange onlyoffice-desktopeditors -y

You can also get hold of the newest mannequin from the ONLYOFFICE Desktop Editors website online from the official website online.

Add an invisible digital signature to paperwork

When you may have a official certificates authority certificates, you could add two sorts of digital signatures. A visible signature accommodates metadata with a visible character indicating that it is signed. An invisible signature omits this seen character.

In order so as to add an invisible signature to a doc, spreadsheet, or presentation:

1. Start ONLYOFFICE Desktop Editors.
2. Open the required file.
3. Swap to the Security tab from the very best toolbar.
4. Click on on the Signature button.
5. Select the Add digital signature selection (you in all probability have made some modifications to the doc, you could be prompted to place it apart).
6. Fill throughout the Purpose of signing this doc space throughout the window that opens.

1. Click on on the Select button to select the digital certificates.
2. Click on on the button subsequent to the chosen certificates file… space.

1. choose .crt file and select Open (in case your certificates is password protected, it’s best to enter it throughout the corresponding space).
2. Click on on OK and click on on the button subsequent to the Select Key File … space.

1. choose .key file and click on on Open (if the key is password protected, it’s best to enter it throughout the corresponding space).
2. Click on on OK.

That was the ultimate step. Pat on the once more! You’ve got merely effectively added an invisible digital signature, and the doc is now protected towards completely different edits. A pop-up window within the correct sidebar signifies {{that a}} official signature exists and the doc cannot be edited.

The added signature is simply not seen. Nonetheless, you could view particulars about it within the correct sidebar. This data consists of the establish of the proprietor, the date, and the time the signature was added. Within the occasion you click on on on a signature, you could select the following decisions from the context menu:

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

Add a visible digital signature line

In order so as to add a visible signature to a doc, it’s best to first add a signature line. It means which you can sign the doc your self by together with a visible character (a visual illustration of your digital signature). You can also use the signature line to ship a doc to completely different people for digital signing.

To create a signature line, adjust to these steps:

1. Start ONLYOFFICE Desktop Editors.
2. Place the mouse cursor the place you want to add the signature line.
3. Swap to the Security tab from the very best toolbar.
4. Click on on the Signature button.
5. Select the Add Signature Line selection (you in all probability have made some modifications to the doc, you could be prompted to place it apart).
6. Throughout the Signature Settings window, fill in all required fields (Establish, Signatory Title, E-mail, Signatory Instructions).

1. Select the Current signing date throughout the signature line selection is required.
2. Click on on OK and save the doc.

That’s it. The doc now has a signature line. Should you want, you could add a variety of signature strains counting on the number of signers. You can also edit the added signature line by clicking Signature Settings icon within the correct sidebar. To delete a signature line, select it throughout the textual content material and press Take away.

Add a visible digital signature to paperwork

Now that you simply perceive how in order so as to add a signature line, you could add a visible signature to it:

1. Double-click the signature line.
2. Select the Login selection from the menu.
3. Fill throughout the corresponding fields throughout the Sign Doc window.

1. Select a digital certificates (repeat solely the similar course of as when together with an invisible signature).
2. Click on on the OK button in order 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 towards modifying. To edit it, click on on Edit anyway selection throughout the pop-up window on the correct, and any digital signatures added are mechanically deleted.

Alternatively, you could delete all signatures File tab. Merely click on on Defend and select Edit doc button.

Solely a quick reminder: Digitally sign paperwork are at current solely on the market in ONLYOFFICE Desktop Editors. Within the occasion you add a digitally signed file to the cloud office and try and edit it, the added signatures could be deleted.

We hope you found this data useful. With ONLYOFFICE desktop modifying software program program, you could merely defend confidential paperwork with a digital signature and guarantee that they arrive from you.