LGTM
On Fri, Dec 15, 2023 at 9:19 AM Marco Tiloca <marco.til...@ri.se> wrote: > Hello Martin, > > Thanks a lot for your review! Please find in line below our detailed > replies to your comments. > > A Github PR where we have addressed your comments is available at [PR]. > > Unless any concern is raised, we plan to soon merge this PR (and the other > ones related to other received reviews), and to submit the result as > version -18 of the document. > > Thanks, > /Marco > > [PR] https://github.com/ace-wg/ace-key-groupcomm/pull/164 > > On 2023-11-28 22:11, Martin Duke via Datatracker wrote: > > Martin Duke has entered the following ballot position for > draft-ietf-ace-key-groupcomm-17: No Objection > > When responding, please keep the subject line intact and reply to all > email addresses included in the To and CC lines. (Feel free to cut this > introductory paragraph, however.) > > > Please refer to > https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fabout%2Fgroups%2Fiesg%2Fstatements%2Fhandling-ballot-positions%2F&data=05%7C01%7Cmarco.tiloca%40ri.se%7C1359a87ce9cd413ae9a308dbf0568b50%7C5a9809cf0bcb413a838a09ecc40cc9e8%7C0%7C0%7C638368026718160171%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=J16AYuoNBuMg4tBidZr9DvGOfnY97NBL6wrdFnjdo5o%3D&reserved=0 > for more information about how to handle DISCUSS and COMMENT positions. > > > The document, along with other ballot positions, can be found > here:https://eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-ace-key-groupcomm%2F&data=05%7C01%7Cmarco.tiloca%40ri.se%7C1359a87ce9cd413ae9a308dbf0568b50%7C5a9809cf0bcb413a838a09ecc40cc9e8%7C0%7C0%7C638368026718168118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=HatfmpKO8zy%2Fqwc2sNS9wIBHOo6xd15YgpKXqcQWvdA%3D&reserved=0 > > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > Thanks to Vidhi Goel for the TSVART review. > > (2) "If it consists of an explicit entity such as a pub-sub Broker or a > message > relayer, the Dispatcher is comparable to an untrusted on-path intermediary, > and > as such it is able to read the messages sent by Clients in the group." > > Is this accurate? Why does the Dispatcher need the group key to relay > messages? > > > > ==>MT > > We have rephrased the following two paragraphs of Section 2 as follows. > > OLD > > Dispatcher: entity through which the Clients communicate with the group, > when sending a message intended to multiple group members. That is, the > Dispatcher distributes such a one-to-many message to the group members as > intended recipients. A single-recipient message intended to only one group > member may be delivered by alternative means, with no assistance from the > Dispatcher. > > NEW (emphasis mine) > Dispatcher: entity through which the Clients communicate with the group > when sending a message intended to multiple group members. That is, the > Dispatcher distributes such a one-to-many message to the group members as > intended recipients. **The Dispatcher does not have access to the group > keying material**. A single-recipient message intended to only one group > member may be delivered by alternative means, with no assistance from the > Dispatcher. > > OLD > > If it consists of an explicit entity such as a pub-sub Broker or a > message relayer, the Dispatcher is comparable to an untrusted on-path > intermediary, and as such it is able to read the messages sent by Clients > in the group. > > NEW (emphasis mine) > > If it consists of an explicit entity such as a pub-sub Broker or a > message relayer, the Dispatcher is comparable to an untrusted on-path > intermediary, and as such it is able to **see the messages sent by Clients > in the group, but not to decrypt them and read their plain content**. > > <== > > (3.3) s/since it allows to ask/since it allows the client to ask > > > ==>MT > > Yes, now fixed. > > <== > > > -- > Marco Tiloca > Ph.D., Senior Researcher > > Phone: +46 (0)70 60 46 501 > > RISE Research Institutes of Sweden AB > Box 1263 > 164 29 Kista (Sweden) > > Division: Digital Systems > Department: Computer Science > Unit: Cybersecurity > https://www.ri.se > >
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