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System and method for key recovery and verification in blockchain based networks

專利號
US11930110B2
公開日期
2024-03-12
申請人
KZEN NETWORKS LTD（IL Tel Aviv）
發(fā)明人
Tal Arieh Be'ery; Ouriel Ohayon; Omer Shlomovits; Gary Benattar
IPC分類
H04L29/06; H04L9/00; H04L9/08
技術(shù)領(lǐng)域
recovery,key,escrow,computing,private,least,device,at,public,keys
地域： Tel Aviv

摘要

Methods and systems of recovering a cryptographic key associated with a blockchain based computer network, including encryption of at least a portion of a cryptographic key of the computer network with a recovery public key, sending of the encrypted at least a portion of the cryptographic key to at least one second computing device, sending of a recovery private key to a recovery escrow service, detection that the at least one first computing device is unavailable, publishing the recovery private key in a public repository, retrieving the recovery private key from the public repository, and decryption of the encrypted at least a portion of the cryptographic key by the at least one second computing device.

說明書

In some embodiments, the recovery private key 205 is sent to a recovery escrow service 230 (e.g., by the at least one first computing device 210) and an arbitrary message may be periodically (e.g., monthly) sent to the recovery escrow service 230, with the recovery message signed by the recovery private key 205. For instance, sending a status report or a random text string as the arbitrary message. The signed arbitrary message may be published in a public repository 240 and retrieved by the at least one second computing device 220. Finally, users of the at least one second computing device 220 may verify that the encryption of the signed arbitrary message is compatible with the recovery public key 204 and also verify that the recovery escrow service 230 has the recovery private key 205.

權(quán)利要求

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