Comments (3)
Yes, we should probably refer to RFC7525bis, but maybe only to specific parts. We intentionally did not refer to RFC7525 as it was not describing "best practice" even when it was published. 3GPP did e.g., discuss RFC7525 but decided to not refer to it as many parts would decrease the security of 3GPP TLS usage rather than strengthening it. E.g allowing thing already forbidden by 3GPP since many years:
When using RSA, servers SHOULD authenticate using certificates with
at least a 2048-bit modulus for the public key. In addition, the use
of the SHA-256 hash algorithm is RECOMMENDED
Curves of less than 192 bits SHOULD NOT be used.
Regarding DTLS versions, it might make sense to just forbid DTLS 1.2 now that DTLS 1.3 is published and supported by several libraries. That would make the part about DTLS 1.2 configuration disappear.
from draft-westerlund-tsvwg-dtls-over-sctp-bis.
I think it is good to reference RFC 7525bis but beofre doing any changes we should decide if we want to mandate support of RFC 9147. Mandating support of DTLS 1.3 would be equal to mandating use of DTLS 1.3 or higher meaning that everything DTLS 1.2 could be removed.
from draft-westerlund-tsvwg-dtls-over-sctp-bis.
PR will wait until we have decided on issue #176
from draft-westerlund-tsvwg-dtls-over-sctp-bis.
Related Issues (20)
- Define how the SCTP-AUTH keys are derived HOT 5
- Don't reuse the RFC 6803 exporter label HOT 1
- EC(DHE) -> (EC)DHE HOT 1
- Resumption performance HOT 3
- Cryptographic considerations is very long HOT 1
- How do you limit new connections HOT 1
- Mandatory mutual authentication HOT 3
- Authenticating fallback to RFC 6083 HOT 6
- DTLS 1.3 Only
- Editorial alignment in style of the IANA sub sections needed HOT 1
- DTLS considerations need to be clear that AEAD limits MUST be handled by new connection
- Address new vulnerabilities found in SCTP-AUTH HOT 10
- DTLS Considerations for Handling of Endpoint Pair Shared Secrets HOT 5
- Clarify that COOKIE-ECHO and COOKIE-ACK are not authenticated
- Align terminology with RFC 9260 HOT 10
- Create DTLS/SCTP Control Message IANA registry
- Update solution properties description
- Add text on how SCTP restart works
- Overstated Security Properties
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from draft-westerlund-tsvwg-dtls-over-sctp-bis.