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| author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2026-06-13 10:18:17 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander@ouroboros.rocks> | 2026-06-29 08:32:58 +0200 |
| commit | 22e2380b09730a2f18deefd688585edb430d3299 (patch) | |
| tree | 1fc03db35d93833220482f9c5f70d4c9d2d618c1 /cmake/config/irmd.cmake | |
| parent | df14e6cc81c296d91e9124cd09f25a83defb522f (diff) | |
| download | ouroboros-22e2380b09730a2f18deefd688585edb430d3299.tar.gz ouroboros-22e2380b09730a2f18deefd688585edb430d3299.zip | |
lib: Harden symmetric-key rotation
Flow crypto signalled rotation with a single phase-parity bit, so a
loss burst that hid an even number of rotations went unnoticed and
wedged the flow for good.
Each packet now carries a small cleartext selector naming its key
directly, so a receiver that falls behind recovers on the next packet
instead of getting stuck.
The selector also serves as the AEAD nonce and is authenticated as
associated data (AAD). Key rotation moves into a new backend-agnostic
keyrot module that rotates sub-keys to bound AEAD usage while
preserving forward secrecy.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'cmake/config/irmd.cmake')
| -rw-r--r-- | cmake/config/irmd.cmake | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cmake/config/irmd.cmake b/cmake/config/irmd.cmake index 2f5e7f02..b6b2dc40 100644 --- a/cmake/config/irmd.cmake +++ b/cmake/config/irmd.cmake @@ -23,7 +23,7 @@ set(OAP_REPLAY_TIMER 20 CACHE STRING set(OAP_REPLAY_MAX 4096 CACHE STRING "Maximum entries in the OAP replay cache (bounds memory/CPU under flood)") set(OAP_CLIENT_AUTH_DEFAULT TRUE CACHE BOOL - "Client requires the server to authenticate by default (FALSE for testing)") + "Client requires the server to authenticate by default") set(DEBUG_PROTO_OAP FALSE CACHE BOOL "Add Flow allocation protocol message output to IRMd debug logging") |