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Element-iOS session doesn't encrypt for a dehydrated device #7795

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giomfo opened this issue May 24, 2024 · 2 comments · Fixed by matrix-org/matrix-ios-sdk#1858
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Element-iOS session doesn't encrypt for a dehydrated device #7795

giomfo opened this issue May 24, 2024 · 2 comments · Fixed by matrix-org/matrix-ios-sdk#1858
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@BillCarsonFr
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T-Defect Something isn't working: bugs, crashes, hangs and other reported problems

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@giomfo
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giomfo commented May 24, 2024

Steps to reproduce

  1. log an account userA in a Element-WebR client (this session will be the only one for userA)
  2. create an encrypted room and invite another account userB. The userB joins the room
  3. enable the device dehydration v2 feature on Element-WebR client for userA (see WebR full support for dehydrated device v2 element-meta#2278)
  4. log out the userA
  5. send a message in the encrypted room from userB
  6. log the userA in again

Outcome

What did you expect?

The userA is able to decrypt and read the message sent by userB

What happened instead?

The message is not decrypted on userA side (UTD message)

Your phone model

No response

Operating system version

No response

Application version

v1.11.10

Homeserver

No response

Will you send logs?

No
@giomfo giomfo added the T-Defect Something isn't working: bugs, crashes, hangs and other reported problems label May 24, 2024
@giomfo
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giomfo commented May 24, 2024 •
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reproduced on E-Android: element-hq/element-android#8836

@giomfo giomfo mentioned this issue May 24, 2024
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@giomfo
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giomfo commented May 24, 2024

investigation on Element-Android sources: element-hq/element-android#8836 (comment)

@BillCarsonFr BillCarsonFr mentioned this issue Jun 5, 2024
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Fix | Share room keys with dehydrated devices with rust stack matrix-org/matrix-ios-sdk
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@giomfo @BillCarsonFr