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nucypher / nucypher-porter

Gateway to TACo nodes of the threshold network
GNU Affero General Public License v3.0
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Implement Porter's use of ephemeral keys by recipient to prevent access to plaintext decryption #22

Closed derekpierre closed 1 year ago

derekpierre commented 2 years ago

Related to discussions here - https://github.com/nucypher/tdec/issues/8.

The TreasureMap will be the source of truth for Ursula's encrypting key. The recipient will encrypt an ephemeral key for Ursula to encrypt her /retrieve responses with to prevent Porter from being able to collect decryption fragments during tDEC, and gain access to plaintext data.