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Sign/verify key backup with cross-signing key #11747

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dbkr opened this issue Jan 2, 2020 · 1 comment
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Sign/verify key backup with cross-signing key #11747

dbkr opened this issue Jan 2, 2020 · 1 comment
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A-E2EE-Cross-Signing

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dbkr commented Jan 2, 2020

So trusting the cross-signing key will also allow you to trust (ie. start uploading keys to) the key backup.
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dbkr commented Jan 3, 2020

Actually most of this is already done, apart from re-signing the backup with the cross-signing key when we convert a key backup to a cross-signing.

@dbkr dbkr self-assigned this Jan 8, 2020
dbkr added a commit to matrix-org/matrix-js-sdk that referenced this issue Jan 9, 2020
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Sign key backup with cross-signing key on upgrade
0448a7e 
Add a signature from the cross-signing master key to the key
backup when upgrading the key backup into cross-signing.

For element-hq/element-web#11747
@dbkr dbkr mentioned this issue Jan 9, 2020
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@dbkr dbkr mentioned this issue Jan 9, 2020
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@jryans jryans added the phase:1 label Feb 10, 2020
This was referenced May 18, 2021
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