GpgFrontend-Manual/src/content/docs/advanced/key-package.md

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KeyPackage Functionality	label KeyPackage

Overview

The KeyPackage is a feature designed to securely package and transfer key data between different devices. It encapsulates both the public and private keys of multiple key pairs, ensuring that users can maintain cryptographic functionality across various platforms. This document outlines the process of creating, exporting, and safely transferring a KeyPackage.

Creating a KeyPackage

Exporting the KeyPackage

After configuring the export settings:

1. Click on the 'OK' button to create the KeyPackage.
2. The interface will generate two files:
   • A .gpgpack file containing the packaged keys.
   • A .key file which should be kept confidential and deleted after the transfer is complete.

Security Notice

When the KeyPackage is successfully created, a message will inform you that the package is protected with encryption algorithms (e.g., AES-256-ECB) and is safe to transfer. However, it emphasizes that the key file must not be disclosed under any circumstances. Users are advised to delete the KeyPackage file and the key file as soon as possible after the transfer is complete.

Transferring the KeyPackage

To transfer the KeyPackage:

1. Use a secure transfer method to move the .gpgpack file to the target device. This could be through a secured network connection, encrypted email, or a physical device like a USB drive, which should be encrypted as well.
2. Once transferred, import the KeyPackage into the key management tool on the target device using the passphrase set during the creation process.

After Transfer: Importing and Verifying

Best Practices

• Always ensure that you are transferring key data over a secure channel.
• Keep the passphrase strong and confidential.
• Delete the KeyPackage files from all devices and any intermediaries (like email servers or cloud storage) after the transfer is complete to prevent unauthorized access.

Conclusion

The KeyPackage feature streamlines the process of transferring key data between devices while maintaining high security standards. By following the steps outlined in this document, users can effectively manage their cryptographic keys across multiple platforms.