OpenKeychain: Easy PGP
v5.7.5 · 9.6 MB · code 57500
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File information
UpdatedApr 30, 2021
PublishedApr 30, 2021
Packageorg.sufficientlysecure.keychain
Versionv5.7.5 (57500)
Size9.6 MB
MD5e3bf0e572cf5afe16b2e737e6c71ebb7
Min SDK15
Malware scanTRUSTED
Signature SHA182:99:0D:5F:63:60:82:F8:65:CA:47:6F:5A:60:AF:B8:5B:6B:26:90
SignerCN=Dominik Schürmann, C=DE
Total downloads500,000
This version500,000
DeveloperDominik Schürmann
Age ratingEveryone
What's new in v5.7.5
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
* 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
Security scan
TRUSTED
- Developer signature verified 2025-11-18
- Scanned for malware 2021-05-04 03:31:58
- Signature SHA1 82:99:0D:5F:63:60:82:F8:65:CA:47:6F:5A:60:AF:B8:5B:6B:26:90
- File MD5 e3bf0e572cf5afe16b2e737e6c71ebb7
How to install OpenKeychain: Easy PGP v5.7.5 on Android API 15+
Takes about 2 minutes. You'll need roughly 9.6 MB of free storage.
- Grab org.sufficientlysecure.keychain_57500.apk — hit the Download button above (9.6 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches e3bf0e572cf5afe1…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find org.sufficientlysecure.keychain_57500.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Dominik Schürmann, C=DE. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open OpenKeychain: Easy PGP — tap Open on the install screen, or find the OpenKeychain: Easy PGP icon in your app drawer.
Common install errors for OpenKeychain: Easy PGP
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android API 15 or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.