Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:  closed
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  implemented
  TorCoreTeam201711.1|  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-

Comment (by teor):

 I opened #25153 for follow-up: "Specify how PrivCount in Tor statistics
 are configured and interpreted"

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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:  closed
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  implemented
  TorCoreTeam201711.1|  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-
Changes (by nickm):

 * status:  accepted => closed
 * resolution:   => implemented


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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:
 |  accepted
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  Actual Points:
  TorCoreTeam201711.1|
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-

Comment (by amj703):

 An answer to Nick's question: secret sharing only helps deal with failures
 of Tally Reporters. Handling failures (i.e. crashes/dropouts) of DCs can
 be done simply by having the TRs agree on all the DCs they have data from
 before adding their individual shares from those DCs. Handling malicious
 inputs can be mitigated somewhat by choosing multiple different DC
 subsets, aggregating each one, and taking the median of the resulting
 values.

 Also, I would be interested to hear cypherpunks' concerns in more detail.

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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:
 |  accepted
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  Actual Points:
  TorCoreTeam201711.1|
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-

Comment (by cypherpunks):

 Privcount is not going to be acceptable.

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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:
 |  accepted
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  Actual Points:
  TorCoreTeam201711.1|
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-

Comment (by nickm):

 I've put a draft proposal in the doc directory of
 https://github.com/nmathewson/privcount_shamir ; I'll send it to tor-dev
 next week, but I think teor wanted to add some stuff first.

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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
-+-
 Reporter:  teor |  Owner:  nickm
 Type:  task | Status:
 |  accepted
 Priority:  Medium   |  Milestone:  Tor:
 |  0.3.3.x-final
Component:  Core Tor/Tor |Version:
 Severity:  Normal   | Resolution:
 Keywords:  privcount, prop280,  |  Actual Points:
  TorCoreTeam201711.1|
Parent ID:   | Points:
 Reviewer:   |Sponsor:
 |  SponsorQ-can
-+-
Changes (by nickm):

 * keywords:  privcount, prop280 => privcount, prop280, TorCoreTeam201711.1


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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
+
 Reporter:  teor|  Owner:  nickm
 Type:  task| Status:  accepted
 Priority:  Medium  |  Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor|Version:
 Severity:  Normal  | Resolution:
 Keywords:  privcount, prop280  |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:  SponsorQ-can
+
Changes (by nickm):

 * cc: teor, robgjansen, amj703 (added)
 * owner:  (none) => nickm
 * status:  new => accepted
 * keywords:  privcount => privcount, prop280


Comment:

 I started some work here as prop280, and gotten some feedback.  Carolin
 Zöbelein has also written some outlines for a Shamir-based protocol.  I've
 taken a shot at a variation of a Shamir-based protocol at
 https://github.com/nmathewson/privcount_shamir , where it appears as a
 python prototype.

 Current open question: does Shamir-style secret sharing actually do
 anything to help with the case where some Data Collectors are misbehaving?
 So far as I can tell, it only really helps us handle malfunctioning Tally
 Reporters.

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Re: [tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
--+
 Reporter:  teor  |  Owner:  (none)
 Type:  task  | Status:  new
 Priority:  Medium|  Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:
 Keywords:  privcount |  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:  SponsorQ-can
--+
Changes (by nickm):

 * milestone:  Tor: 0.3.2.x-final => Tor: 0.3.3.x-final


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[tor-bugs] #22955 [Core Tor/Tor]: Specify how PrivCount will work with Tor

[Tor Bug Tracker & Wiki]

#22955: Specify how PrivCount will work with Tor
--+
 Reporter:  teor  |  Owner:
 Type:  task  | Status:  new
 Priority:  Medium|  Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal|   Keywords:  privcount
Actual Points:|  Parent ID:
   Points:|   Reviewer:
  Sponsor:  SponsorQ-can  |
--+
 PrivCount is an experimental statistics collection protocol, which
 provides secure aggregation of a differentially private set of statistics.

 We need to work out which parts of the experimental protocol are useful,
 and how they could work on tor relays, and provide results to Tor metrics.

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