Date: 2021-08-24, 1300 CEST Meet: membarrier.verkligendata.se/sigsum Chair: rgdd Agenda * Hello * Status round * Discuss * Next steps Hello * rgdd * ln5 Status round * [rgdd] slow-down attack on the current checkpoint format * https://git.sigsum.org/sigsum/tree/archive/2021-08-24-checkpoint-timestamp?id=d8a070ad281b8fb8fed788d2d2c293f8bb343210 * [rgdd] should a checkpoint's [otherdata] be less undefined? * https://git.sigsum.org/sigsum/tree/archive/2021-08-24-checkpoint-otherdata?id=d8a070ad281b8fb8fed788d2d2c293f8bb343210 * [rgdd] added sponsors to landing page * (No people to defer question on who is listed, with what description, etc.) * https://git.sigsum.org/sigsum/commit/?id=8f2b510b7974bd95de7c08372931da4b0317b97c * [ln5] services * git.sigsum.org up and running with mirroring to GitHub * pad.sigsum.org under way -- poc is running but won't persist pads at the moment * DFRI will sponsor with mailing lists * sigsum-general@lists.sigsum.org to be set up real soon now Discuss * Services * GitHub * Configure our accounts so that we can't push there by mistake * Add "readonly mirror" in description * OK to report issues on GitHub, no PRs though * Budget for the components that lead up to a patched OS? * Context: what is a reasonable budget for self-hosting? * Reference: what is the cost for a single VM with a VPS? * Ballpark 100SEK per VM (monthly) * We need 6 VMs, one of which is hosted in a separate domain for backups * Subresource Integrity (SRI) transparency as a poc use-case? * https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity * https://blog.ryotak.me/post/cdnjs-remote-code-execution-en/ * Decision: good idea, defer until later Next steps * [ln5] render web page (hugo) and publish * [ln5] set up sigsum-general@lists * [ln5] finish pad.sigsum.org * [ln5] get meet.sigsum.org up and running (jitsi) * [rgdd] keep conversation going about checkpoint format * [rgdd] complete design.md updates, update api.md and break out witnessing * [rgdd] look into GitHub TODOs, see above discuss item Other useful links * None