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Encryption key rotation is a critical process in Databunker Pro to maintain the confidentiality and integrity of sensitive data. The Wrapping Key, which encrypts the Master Key, is rotated periodically as part of this process to enhance security.

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What is the Master Key?

The Master Key is the core encryption key used to protect sensitive data. It is never exposed and is encrypted using a Wrapping Key for additional security.

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What is the Wrapping Key?

The Wrapping Key is a cryptographic key used to encrypt the Master Key in Databunker Pro. It acts as an additional layer of protection for the Master Key

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Importance of Key Rotation:

  1. Limiting Key Exposure: Regular rotation reduces the window of opportunity for potential attackers to compromise the key.
  2. Compliance: Many security standards and regulations require periodic key rotation.
  3. Mitigating Long-term Attacks: Rotation helps protect against slow, persistent attempts to break encryption.

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Best Practices:

  • Rotate the Wrapping Key at regular intervals (e.g., every 90 days or annually).
  • Implement automated reminders for key rotation.
  • Maintain a secure log of key rotations for audit purposes.
  • Test the rotation process regularly to ensure smooth execution when needed.

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Recovery:

In case the current Wrapping Key is lost or compromised, Databunker Pro allows for recovery using Shamir Key Shares. This ensures that the Master Key can be safely re-encrypted with a new Wrapping Key without exposure.