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Presented by Jason A Donenfeld FOSDEM 2017

2kVT3mc

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Timers<br />

User space sends packet.<br />

• If no session has been established for 120 seconds, send<br />

handshake initiation.<br />

No handshake response after 5<br />

seconds.<br />

• Resend handshake initiation.<br />

Successful authentication of<br />

incoming packet.<br />

• Send an encrypted empty packet after 10 seconds, if we<br />

don’t have anything else to send during that time.<br />

No successfully authenticated<br />

incoming packets after 15 seconds.<br />

• Send handshake initiation.

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