Patent ID: 11888830
Assignee: JOURNEY.AI
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 36:
37. The method as in claim 35, wherein one or more original recipient-based rekeying keys established through an encrypting combination of the original source decryption key and a recipient public key of a respective recipient are stored at the storage server, the method further comprising:
establishing a source-based re-encryption key for the one or more original recipient-based rekeying keys through an encrypting combination of the original source encryption key and the updated source decryption key; and
sending the source-based re-encryption key to the storage server to cause the storage server to apply the source-based re-encryption key to each of the one or more original recipient-based rekeying keys to generate a respective updated recipient-based rekeying key to replace each of the one or more original recipient-based rekeying keys that is an encrypting combination of the updated source decryption key and a respective recipient public key of a respective recipient.