SCTP: using a pre-shared key

K

kbw

I’m not sure if this is goes in networking or user space programming.

How can I set up/config pre-shared keys in the sctp stack? Presumably, I’ll need to use option SCTP_PEER_ADDR_PARAMS somehow.

Does anyone have any idea off hand?

Thanks
 
sctp(4) talks about SCTP_AUTH* a bit:
Code: 
root@kg-core2# man sctp | grep SCTP_AUTH
     SCTP_AUTH_CHUNK                 By default only the dynamic addressing
     SCTP_AUTH_KEY                   This option allows a user to specify a
     SCTP_AUTH_ACTIVE_KEY            This option allows you to make a key
     SCTP_AUTH_DELETE_KEY            This option allows you to delete an old
Perhaps the answer is in that man page...
 
I don’t think it is. There Is no detail on how to actually set the keys. I guess it means reading the source.

Thanks for your reply though.
 
Sure it does, SCTP_AUTH_KEY is an option, and the man page has this line "SCTP supports a number of socket options which can be set with setsockopt(2)". Time to read the setsockopt(2) page perhaps?
 
I posted the question after reading the man page. I was wondering if anyone had actually used it successfully. It seems not.

Messing around with keys is always a headache. If there are no working examples, I’ll figure it out myself.
 
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