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OpenKey­Chain — Android

Here is a step-by-step guide for using OpenKey­chain to generate a GPG key on Android devices. OpenKey­chain is user-friendly, free, and provides an intuitive interface, even for less tech-savvy users.

Step-by-Step Guide for OpenKey­chain

1. Install OpenKey­chain

  1. Open the Google Play Store on your Android device.
  2. Search for OpenKey­chain or use this link:
    OpenKey­chain on Google Play Store.
  3. Tap Install to download and install the app.

2. Open OpenKey­chain and Generate a New Key

  1. Open the OpenKey­chain app.
  2. Tap Create My Key or the + symbol to generate a new GPG key.
  3. Follow these steps:
    • Name: Enter your name or a pseudonym.
    • Email Address: Enter your email address (optional but recom­mended).
    • Tap Next.
  4. Set a Password (optional but recom­mended):
    • OpenKey­chain will ask if you want to protect your private key with a password.
    • Choose a strong password and store it securely.
  5. Start Key Generation:
    • Tap Generate. The app will create your key pair (public and private keys).
    • This process may take a few seconds.

3. Export Your Public Key

The public key is required to register on the website. Here’s how to export it:

  1. In the OpenKey­chain app, you’ll see your newly created key in the list.
  2. Tap on your key to open the details.
  3. Tap the Share icon (usually an arrow or three dots at the top-right).
  4. Select Share or Export, then choose Export File.
  5. You can save the file as an .asc file or share it via another app (e.g., email).

4. Create a Signed Message (Optional)

If the website requires you to sign a message (e.g., a timestamp):

  1. Go back to the OpenKey­chain home screen.
  2. Tap the menu Sign/Verify a Message.
  3. Enter a message (e.g., the current timestamp like 2024-12-17 12:34).
  4. Select your private key to sign the message.
  5. Copy the signed message and submit it as needed.

5. Keep Your Private Key Safe

The private key is your digital secret and must never be shared!

  1. OpenKey­chain securely stores the private key on your device.
  2. To export the private key for backup:
    • Open your key in OpenKey­chain.
    • Tap Share/Export and choose Export Private Key.
    • Save the key in a secure location (e.g., encrypted on your PC or USB drive).

Summary

  • OpenKey­chain is a user-friendly tool for generating and managing GPG keys.
  • The public key is used for regis­tration and identi­fi­cation.
  • The private key remains secret and is used to sign messages.
  • Signed messages provide added security by proving ownership of the key.

If you need further assis­tance with OpenKey­chain or any specific steps, feel free to ask! 😊