A secure channel generates new keys for each session so that older exchanges remain private if a session key is compromised. Which principle is in effect?
Key splitting
Non-repudiation
Key rotation
Forward secrecy
Forward secrecy ensures that the compromise of a session key does not affect the confidentiality of previously encrypted sessions. It achieves this by using unique ephemeral keys for each session, making it impossible to retroactively decrypt older sessions even if a private key is leaked. This principle is critical in protocols like TLS 1.2+ when configured properly.
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