Forward secrecy is the most important thing
Read OriginalThis article argues that forward secrecy is the most important feature in modern encrypted communication. It critiques GPG's reliance on long-term RSA keys, which can compromise past messages if the private key is ever stolen. In contrast, it praises the Signal Protocol for using ephemeral Diffie-Hellman key exchanges, which generate a fresh key for each message, ensuring that stolen keys cannot decrypt historical communications.
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