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"Reset Backup" creates 4S without cross-signing keys #27806

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richvdh opened this issue Jul 23, 2024 · 0 comments
Open

"Reset Backup" creates 4S without cross-signing keys #27806

richvdh opened this issue Jul 23, 2024 · 0 comments
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A-E2EE A-E2EE-Cross-Signing A-E2EE-Key-Backup A-Element-R Issues affecting the port of Element's crypto layer to Rust O-Frequent Affects or can be seen by most users regularly or impacts most users' first experience O-Uncommon Most users are unlikely to come across this or unexpected workflow S-Major Severely degrades major functionality or product features, with no satisfactory workaround T-Defect

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@richvdh
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richvdh commented Jul 23, 2024 •
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STR:

  1. Sign in on a new device. Skip all the verification stuff.
  2. In "Security & Privacy" settings, click "Reset" under Secure Backup:
    image
  3. Create a security phrase, or download the key
  4. Observe confirmation:
    image

The problem is that this has created a new 4S key, but has not created new cross-signing keys; 4S does not contain any cross-signing keys. This makes everything on the account quite broken.
@richvdh richvdh added T-Defect S-Major Severely degrades major functionality or product features, with no satisfactory workaround A-E2EE-Cross-Signing O-Frequent Affects or can be seen by most users regularly or impacts most users' first experience A-Element-R Issues affecting the port of Element's crypto layer to Rust labels Jul 23, 2024
@richvdh richvdh mentioned this issue Jul 23, 2024
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@dosubot dosubot bot added A-E2EE A-E2EE-Key-Backup O-Uncommon Most users are unlikely to come across this or unexpected workflow labels Jul 23, 2024
This was referenced Jul 23, 2024
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A-E2EE A-E2EE-Cross-Signing A-E2EE-Key-Backup A-Element-R Issues affecting the port of Element's crypto layer to Rust O-Frequent Affects or can be seen by most users regularly or impacts most users' first experience O-Uncommon Most users are unlikely to come across this or unexpected workflow S-Major Severely degrades major functionality or product features, with no satisfactory workaround T-Defect
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