SPAKE, DTLS and passwords

Michael Richardson mcr at sandelman.ca
Wed Oct 6 02:09:21 AEDT 2021


Joseph Reynolds <jrey at linux.ibm.com> wrote:
    > On 10/4/21 4:47 PM, Michael Richardson wrote:
    >> Joseph Reynolds <jrey at linux.ibm.com> wrote:
    >> > The planned IPMI over DLTS function will have certificate-based
    >> > authuentication.
    >>
    >> Do you mean that the server will be authenticated with a certificate, or that
    >> it will use mutual authentication?

    > I understand this means mutual-TLS.
    > Based on the gerrit design:
    > https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/31548/4/designs/ipmi-over-dtls.md

So, why is a password needed?

    > Note that design also says the server will have an identity certificate; same
    > as the HTTPS certificate described in
    > https://github.com/openbmc/bmcweb/blob/master/README.md

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