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

專利號(hào)
US11930110B2
公開日期
2024-03-12
申請(qǐng)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

If the recovery escrow service 230 loses access to the recovery private key 205, the periodic report publication mechanism may detect that a problem occurred, and a new recovery key pair may be generated by the at least one first computing device 210 and refresh the encrypted portion on next rotation.

According to some embodiments, the trustee 330 publishes the recovery private key 205 in repository 240 and/or instruct the recovery escrow service 230 to publish the recovery private key 205, for instance when the at least one first computing device 210 becomes unavailable, such that the keys for the at least one second computing device 220 may be released to clients. Upon receipt of the at least one second computing device 220 receives the recovery private key 205, the decryption of the encrypted at least a portion of the cryptographic key 206 may be enabled.

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