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Note the spare key is not wiped on shutdown

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J. Nick Koston
2026-09-07 17:04:29 +02:00
parent 6aa6b682df
commit c9fb996758
1 changed files with 2 additions and 1 deletions
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esphome/components/noise/noise.h
+2 -1
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@@ -45,7 +45,8 @@ const LogString *noise_err_to_logstr(int err);
// One responder ephemeral key pair generated ahead of time (about 60 ms on
// ESP8266), refilled by the api server while idle and consumed by the next
// handshake of any noise transport; an empty slot means the handshake
// generates its own key. The private key stays in RAM until consumed.
// generates its own key. The private key stays in RAM until consumed; it is
// not wiped on shutdown.
// Private key then public key; zero when empty
static constexpr size_t SPARE_EPHEMERAL_KEY_SIZE = 32;
static constexpr size_t SPARE_EPHEMERAL_SIZE = 2 * SPARE_EPHEMERAL_KEY_SIZE;