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cryspen / atlas

BMBF ATLAS project
https://cryspen.com/atlas/
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Jonas/double hpke #25

Closed jschneider-bensch closed 1 year ago

jschneider-bensch commented 1 year ago

This is just the doc for now, next step is integrating HPKE + this extension into the ScrambleDB workspace.

jschneider-bensch commented 1 year ago

I've implemented the HPKE double encryption in scrambledb now, using the HPKE single-shot API, without extending the HPKE Spec. That should also be enough to argue about the properties we want from this operation (i.e. unlinkability between incoming and outgoing ciphertexts) in the ScrambleDB context.