How do I rotate encryption keys securely in Swift?

Rotating encryption keys securely in Swift is crucial for maintaining the confidentiality and integrity of your sensitive data. Regularly updating your keys helps prevent unauthorized access and minimizes the impact of potential data breaches. Below is an example illustrating how to securely rotate encryption keys using Swift.

// Example of key rotation in Swift import Foundation import CryptoKit // Function to generate a new key func generateNewKey() -> SymmetricKey { return SymmetricKey(size: .aes256) } // Function to rotate keys func rotateKey(currentKey: SymmetricKey) -> (newKey: SymmetricKey, oldKey: SymmetricKey) { let newKey = generateNewKey() // Perform necessary steps to re-encrypt data with the new key // ... return (newKey, currentKey) } // Usage of key rotation let currentKey = generateNewKey() let (newKey, oldKey) = rotateKey(currentKey: currentKey) print("Keys rotated: new Key - \(newKey), old Key - \(oldKey)")

encryption keys key rotation Swift encryption data security secure key management

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