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Android Apps > Communication > OpenKeychain: Easy PGP
OpenKeychain: Easy PGP icon

OpenKeychain: Easy PGP

Encrypt your Files and Communications. Compatible with the OpenPGP Standard.
by COTECH
Google Play
Google Play
500+
Thousand
Downloads
PREMIUM
Est. downloads
PREMIUM
Recent d/loads
4.14
3,508
Rating
Unranked
Ranking
24
Libraries
4.0.3+
Android version
4/3/21
Last updated
2013
January
App age
9.62 MB
App size
Everyone
Content rating
FREE
+ In-App
Price

Google Play Rating history and histogram

2255
471
230
110
441

Changelog

  • Apr 3, 2021 Update Version 5.7.3
  • Mar 20, 2021 Installs 500,000+ installs
  • Mar 17, 2021 Update Version 5.7
  • Feb 18, 2021 Update Version 5.6.2
  • Jan 20, 2020 Update Version 5.5
  • Oct 22, 2019 Update Version 5.4
  • Jul 1, 2019 Update Version 5.3
  • Jul 26, 2018 Update Version 5.2
  • Jun 22, 2018 Update Version 5.1.4
  • Jun 19, 2018 Update Version 5.1.2
  • May 8, 2018 Update Version 5.0.2
  • Apr 18, 2018 Update Version 5.0
  • Mar 10, 2018 Update Version 4.9.2
  • Feb 27, 2018 Update Version 4.9.1
  • Feb 20, 2018 Update Version 4.9
  • Dec 4, 2017 Update Version 4.8.1
  • Sep 25, 2017 Update Version 4.7
  • Aug 29, 2017 Update Version 4.6
  • Aug 28, 2017 Update Version 4.5.1
  • Jul 26, 2017 Update Version 4.5
  • May 1, 2017 Update Version 4.4.1
  • Apr 25, 2017 Update Version 4.3
  • Feb 7, 2017 Update Version 4.2.4
  • Feb 2, 2017 Update Version 4.2.2
  • Jan 11, 2017 Update Version 4.2.1
  • Jan 10, 2017 Update Version 4.2
  • Sep 1, 2016 Installs 100,000+ installs
  • Aug 8, 2016 Update Version 4.1
  • Jul 7, 2016 Update Version 4.0.3
  • May 23, 2016 Update Version 4.0.1
  • May 19, 2016 Update Version 4.0
  • May 1, 2016 Update Version 3.9.5
  • Mar 16, 2016 Update Version 3.9.4
  • Mar 7, 2016 Update Version 3.9.2
  • Jan 13, 2016 Update Version 3.8.2
  • Nov 25, 2015 Update Version 3.7
  • Oct 27, 2015 Installs 50,000+ installs
  • Oct 27, 2015 Update Version 3.6.1
  • Oct 22, 2015 Update Version 3.6
  • Aug 19, 2015 Update Version 3.5.1
  • Jul 10, 2015 Update Version 3.4.1
  • Jul 1, 2015 Update Version 3.3
  • May 30, 2015 Update Version 3.2.3
  • May 22, 2015 Update Version 3.2.2
  • May 10, 2015 Update Version 3.2.1
  • May 6, 2015 Update Version 3.2
  • Nov 6, 2014 Update Version 3.1.2
  • Nov 2, 2014 Update Version 3.1.1
  • Oct 29, 2014 Update Version 3.1
  • Oct 5, 2014 Update Version 3.0.1
View more View less

Developer information

COTECH

[email protected]

Website

Confidential Technologies GmbH
Sophienstraße 40
38118 Braunschweig

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Description

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 http://openpgp.org/software/.

Modern encryption is based on digital “keys”. OpenKeychain stores and manages your keys, and those of the people you communicate with, on your Android smartphone. It also helps you find others’ keys online, and exchange keys. But its most frequent use is in using those keys to encrypt and decrypt messages.

★ Integration with other Apps:
• K-9 Mail
• Conversations
• and many more…

★ Open Source: OpenKeychain is designed to be trustworthy. It’s Free Software with no secrets; anyone can examine and validate every bit of it (Source code available at https://github.com/open-keychain/open-keychain)

★ Independent Security Audit: The auditing company Cure53 performed an intensive security audit of OpenKeychain. The security experts summarize their final result with "[...] none of the spotted issues were considered to be of a critical severity in terms of security implications. The latter is a significant and impressive result for an app of this complexity and relevance."

★ Permissions: Because OpenKeychain is Free Software, anyone can validate that the permissions are indeed only required for the listed 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

Starting with Android 6, permissions are requested when required in-app!

Recent changes:
5.7
* Fixes for Curve25519
* IDEA cipher is now considered insecure
5.6
* Compatibility with Android 10 and higher
* Several bug fixes
5.5
* Fix decryption from clipboard on Android 10
5.4
* Add WKD Advanced method
* Add COTECH Security Key Shop
5.3
* Use keys.openpgp.org as default keyserver
5.2
* Improved key import from clipboard
5.1
* Support for Ledger Nano S
* Support Web Key Directory (WKD) search
* Fixed potential API security issue
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 http://openpgp.org/software/.

Modern encryption is based on digital “keys”. OpenKeychain stores and manages your keys, and those of the people you communicate with, on your Android smartphone. It also helps you find others’ keys online, and exchange keys. But its most frequent use is in using those keys to encrypt and decrypt messages.

★ Integration with other Apps:
• K-9 Mail
• Conversations
• and many more…

★ Open Source: OpenKeychain is designed to be trustworthy. It’s Free Software with no secrets; anyone can examine and validate every bit of it (Source code available at https://github.com/open-keychain/open-keychain)

★ Independent Security Audit: The auditing company Cure53 performed an intensive security audit of OpenKeychain. The security experts summarize their final result with "[...] none of the spotted issues were considered to be of a critical severity in terms of security implications. The latter is a significant and impressive result for an app of this complexity and relevance."

★ Permissions: Because OpenKeychain is Free Software, anyone can validate that the permissions are indeed only required for the listed 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

Starting with Android 6, permissions are requested when required in-app!

Recent changes:
5.7
* Fixes for Curve25519
* IDEA cipher is now considered insecure
5.6
* Compatibility with Android 10 and higher
* Several bug fixes
5.5
* Fix decryption from clipboard on Android 10
5.4
* Add WKD Advanced method
* Add COTECH Security Key Shop
5.3
* Use keys.openpgp.org as default keyserver
5.2
* Improved key import from clipboard
5.1
* Support for Ledger Nano S
* Support Web Key Directory (WKD) search
* Fixed potential API security issue
Show full description Hide full description
anyone audit code compatible decrypt encryption implications keychain keys latter messages only open openkeychain openpgp other people permissions security software source summarize trustworthy validate yubikeys

Comments

Tag cloud

app clipboard decrypt encrypt file from import key keys pgp

Positive comment tag cloud

app clipboard easy encrypt great key keys pgp use works

Negative comment tag cloud

clipboard decrypt decryption from import key keys password paste when

Google Play Rankings

This app is not ranked

Permissions

Development tools
test access to protected storage
Network communication
view network connections, view Wi-Fi connections, full network access, control Near Field Communication, Google Play billing service
Storage
modify or delete the contents of your USB storage
Hardware controls
take pictures and videos
System tools
read sync settings, run at startup, prevent phone from sleeping, toggle sync on and off
Extra
android.permission.FOREGROUND_SERVICE

Libraries

Ad network libraries

None found

Social libraries

None found

Development tools

Android Jetpack core Android Architecture Components Android Jetpack VersionedParcelable Android Jetpack Annotations Android Jetpack Widgets Android Jetpack Media Android Jetpack AppCompat Android Transition Support Library AndroidX Legacy: Support Library core UI AndroidX Loader Android Support Library collections AndroidX Activity Android Activity Saved State AndroidX Cursor Adapter Okio Android Support VectorDrawable Google ZXing AndroidX Widget ViewPager2 Android WorkManager Timber MaterialDrawer The Legion of the Bouncy Castle FastAdapter Apache James Mime4j

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