Options for using OnlyKey with Android phones / tablets
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Prerequisites

  • Ensure the latest firmware is loaded on OnlyKey. Instructions are available here for loading firmware.
  • Mobile device using adapter, these may also be purchased here.
  • To encrypt/decrypt a key must be loaded on OnlyKey. Instructions are available here.

Using OnlyKey as a Security Key on Android

Registering and logging in with OnlyKey as a security key on Android is almost the same as using on a desktop computer. This is currently supported using Firefox and Chrome browsers for Android. To use OnlyKey as a security key:

  • Plug OnlyKey into mobile device using adapter
  • Enter PIN to unlock OnlyKey
  • Browse to the site you wish to use OnlyKey with
  • Register OnlyKey as a security key (Android has several pop up messages that you must accept to proceed)
  • Once registered you can use OnlyKey as a security key to login

Using OnlyKey to encrypt files on Android

This is currently supported using Firefox and Chrome browsers for Android. To use OnlyKey to encrypt/decrypt files:

  • Plug OnlyKey into mobile device using adapter
  • Enter PIN to unlock OnlyKey
  • Browse to https://apps.crp.to/encrypt-files
  • A pop-up will appear that you must accept for the device to communicate with OnlyKey
  • If OnlyKey is correctly connected a message will show “OnlyKey v0.2-beta.8c Secure Connection Established”
  • Enter your Keybase username and the recipient’s username (if you are encrypting files for yourself this is your username)
  • Select files to encrypt and click encrypt and sign
  • Accept the pop-up messages that appear so that the device may communicate with OnlyKey
  • Enter the challenge code on OnlyKey

Using OnlyKey to decrypt files on Android

  • Plug OnlyKey into mobile device using adapter
  • Enter PIN to unlock OnlyKey
  • Browse to https://apps.crp.to/decrypt-files
  • A pop-up will appear that you must accept for the device to communicate with OnlyKey
  • If OnlyKey is correctly connected a message will show “OnlyKey v0.2-beta.8c Secure Connection Established”
  • Enter your Keybase username
  • Select the encrypted file to decrypt (should be a .gpg file) and click decrypt
  • Accept the pop-up messages that appear so that the device may communicate with OnlyKey
  • Enter the challenge code on OnlyKey
  • Once completed a zip file containing your files will be downloaded to Android
  • Use a zip utility app to open the zip and access files i.e. Winzip for Android
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