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Privacy considerations are currently missing from this draft, but could use some extensive documentation.
But most urgently, the draft should be clear about whether selective disclosure also reveal…
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As the wallet is currently implemented, each user has a single public-private key pair which is used for all of the user's credentials. At some point we will need to satisfy stricter privacy requireme…
emlun updated
3 months ago
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Increasingly, "unlinkability" is becoming a central security property with regards to DP-3T, even leading to a new protocol variant being published yesterday with specific focus on unlinkability.
H…
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Is it possible to make the wallet configurable, allowing a switch between using a single public-private key pair for all credentials versus unique keys per credential?
This could be useful in scen…
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https://w3c-ccg.github.io/ldp-bbs2020/
https://www.ietf.org/archive/id/draft-irtf-cfrg-bbs-signatures-02.html
and upcoming work item in the W3C VCWG
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(Copying this comment from the other ticket where I was doing my audit).
Checking the "TODO: check whether this is justified" in the unlinkability proof for DiversifyHash:
Let (P, pk) be a diver…
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"The protocol provides confidentiality, integrity, authentication, participant consistency, destination validation, forward secrecy, backward secrecy (aka future secrecy), causality preservation, mess…
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### Description
Digital society basically works better when services DO NOT create personal data. This is reflected in the eIDAS 2.0 unlinkability requirement implementing trustworthy anonymity with …
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We have a few gaps in the security proofs that should ideally be closed
- [ ] `MAC_GGM` security is based on stronger assumptions than standard ones, and precludes adaptive adversaries, see @AdamIS…
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When building a privacy model, selective disclosure is a key feature of the lower protocols and formats being used by this API. However, the properties of that selective disclosure are not well unders…