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crypto: Add support for building a bundle of room keys, for sharing with other users #4504

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richvdh opened this issue Jan 10, 2025 · 1 comment · Fixed by #4775
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crypto: Add support for building a bundle of room keys, for sharing with other users #4504

richvdh opened this issue Jan 10, 2025 · 1 comment · Fixed by #4775
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encryption enhancement New feature or request

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richvdh commented Jan 10, 2025 •
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Our proposed solution to sharing encrypted room history on invite involves uploading all of the message keys for a given room to an encrypted media blob.

This issue covers the addition of an API to matrix-sdk-crypto which will create such a blob. We expect that the work of actually encrypting uploading the blob, and sharing the keys with other clients, will be handled separately (and is therefore tracked in another issue: #4505).

The format of this encrypted blob is to be determined by element-hq/element-meta#2688.

Part of element-hq/element-meta#2685.
@richvdh richvdh mentioned this issue Jan 10, 2025
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@richvdh richvdh added the enhancement New feature or request label Jan 10, 2025
@richvdh richvdh mentioned this issue Jan 10, 2025
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@richvdh richvdh self-assigned this Mar 3, 2025
richvdh added a commit that referenced this issue Mar 10, 2025
@richvdh
crypto: support for building key bundles
2362f10 
Add a method to CryptoStore which will construct a key bundle, ready for
encrypting and sharing with invited users.

Part of #4504
@richvdh richvdh mentioned this issue Mar 10, 2025
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richvdh added a commit that referenced this issue Mar 10, 2025
@richvdh
crypto: support for building key bundles
2dea4d1 
Add a method to CryptoStore which will construct a key bundle, ready for
encrypting and sharing with invited users.

Part of #4504
richvdh added a commit that referenced this issue Mar 10, 2025
@richvdh
crypto: support for building key bundles
2098247 
Add a method to CryptoStore which will construct a key bundle, ready for
encrypting and sharing with invited users.

Part of #4504
@richvdh richvdh changed the title crypto: Add support for building an encrypted blob of room keys, for sharing with other users crypto: Add support for building a bundle of room keys, for sharing with other users Mar 10, 2025
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richvdh commented Mar 10, 2025

I've descoped the actual encryption here, and will handle it as part of #4505

richvdh added a commit that referenced this issue Mar 10, 2025
@richvdh
crypto: support for building key bundles
1faf406 
Add a method to CryptoStore which will construct a key bundle, ready for
encrypting and sharing with invited users.

Part of #4504
richvdh added a commit that referenced this issue Mar 17, 2025
@richvdh
crypto: support for building key bundles
002e776 
Add a method to CryptoStore which will construct a key bundle, ready for
encrypting and sharing with invited users.

Part of #4504
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crypto: support for building key bundles matrix-org/matrix-rust-sdk
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