OpenKeychain open source android application which is designed to be trustworthy. It’s Free Software with no secrets; anyone can examine and validate every bit of it.

OpenKeychain helps you communicate more privately and securely. It uses encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so the people getting them are sure who sent them. OpenKeychain is based on the well established OpenPGP standard making encryption compatible across your devices and systems. For a list of compatible software for Windows, Mac OS, and other operating systems consult

features.
• In-app purchases: Donate to the developers
• Identity: Pre-fill name and email addresses
• Contacts: Connect keys to your contacts (only offline)
• Photos/Media/Files: Import/export keys from SD card
• Camera: Scan QR Codes to add other people's keys
• Others: Internet permission to retrieve keys, NFC permission to use YubiKeys

So Let's start the tutorial.
Fast go to the Google play store and search for OpenKeychain

Click on the Install button and proceed.

After installing the app click
On Open button to get access to the app
You will see this on the homepage
then click creat my key

Then add nick name

Then add email

When you process this step you can see this page

After process add key u can see home page if you want you can do update and mange your key.

Add option has 3 more option

if you want you can add file,key search, scan qr code.
you can do add file from gallery . like img. png. jpg file.
when you have more key if you want you can search key by key search..
Any time of qr code you can scan by qr code
scanner.
Right side bar has
There are 5 more option

encrypt/decrypt

If you want encrypt files img,from gallery by security you can do use this step

1st choose a img. png or jpg file then sign with your email then choose a encrypt key.

If you want add message with encrypt key you need to do click encrypt txt

then type message then sign with email
then add encrypt key

Apps has

backup restore option for key backup and restore files, txt, key by email

key share by scan with wifi.
if you want share your files key with your friend, group via wifi then click key share

then click setting for experimental features

If you want change theme,then click theme for change theme

it has 2 colour

The tutorial is completed. You can use OpenKeychain now with easy.

---

Posted on Utopian.io - Rewarding Open Source Contributors

---