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This removes the flow encryption option (cypher_s) from the qosspec.
The configuration file is configured in the security options (default
/etc/ouroboros/security/). For this poc, encryption can be disabled
client or server side by putting an enc.cfg file. If that file is
present in the client folder, the client will require encryption. If
that file is present on the server side, the server will require
encryption and reject non-encrypted flows.
Encryption is now configured outside of any application control.
Example: /etc/ouroboros/security/client/oping/enc.cfg exists:
irmd(II): Encryption enabled for oping.
irmd(DB): File /etc/ouroboros/security/client/oping/crt.pem does not exist.
irmd(II): No security info for oping.
irmd(DB): Generated ephemeral keys for 87474.
irmd/oap(PP): OAP_HDR [caf203681d997941 @ 2025-09-02 17:08:05 (UTC) ] -->
irmd/oap(PP): Certificate: <none>
irmd/oap(PP): Ephemeral Public Key: [91 bytes]
irmd/oap(PP): Data: <none>
irmd/oap(PP): Signature: <none>
Example: /etc/ouroboros/security/client/oping/enc.cfg does not exist:
irmd(II): Allocating flow for 87506 to oping.
irmd(DB): File /etc/ouroboros/security/client/oping/enc.cfg does not exist.
irmd(DB): File /etc/ouroboros/security/client/oping/crt.pem does not exist.
irmd(II): No security info for oping.
irmd/oap(PP): OAP_HDR [e84bb9d7c3d9c002 @ 2025-09-02 17:08:30 (UTC) ] -->
irmd/oap(PP): Certificate: <none>
irmd/oap(PP): Ephemeral Public Key: <none>
irmd/oap(PP): Data: <none>
irmd/oap(PP): Signature: <none>
Example: /etc/ouroboros/security/server/oping/enc.cfg exists:
irmd(II): Flow request arrived for oping.
irmd(DB): IPCP 88112 accepting flow 7 for oping.
irmd(II): Encryption enabled for oping.
irmd(DB): File /etc/ouroboros/security/server/oping/crt.pem does not exist.
irmd(II): No security info for oping.
irmd/oap(PP): OAP_HDR [3c717b3f31dff8df @ 2025-09-02 17:13:06 (UTC) ] <--
irmd/oap(PP): Certificate: <none>
irmd/oap(PP): Ephemeral Public Key: <none>
irmd/oap(PP): Data: <none>
irmd/oap(PP): Signature: <none>
irmd(WW): Encryption required but no key provided.
The server side will pass the ECRYPT to the client:
$ oping -l
Ouroboros ping server started.
Failed to accept flow: -1008
$ oping -n oping -c 1
Failed to allocate flow: -1008.
Encryption on flows can now be changed at runtime without needing to
touch/reconfigure/restart the process.
Note: The ECRYPT result is passed on via the flow allocator responses
through the IPCP (discovered/fixed some endianness issues), but the
reason for rejecting the flow can be considered N+1 information... We
may move that information up into the OAP header at some point.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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