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Obtaining quorum approval to perform an operation with a cryptographic item of a key management system

專利號
US11159309B2
公開日期
2021-10-26
申請人
Fortanix, Inc.(US CA Mountain View)
發(fā)明人
Jeffrey Seyfried; Jethro Gideon Beekman; Anand Kashyap
IPC分類
H04L9/08
技術領域
approval,quorum,key,management,operation,may,entities,item,requested,approving
地域: CA CA Mountain View

摘要

A request to perform an operation with a cryptographic item may be received. A request for approval to perform the requested operation with the cryptographic item may be transmitted to a set of entities based on a policy associated with the cryptographic item. Indications of approval to perform the requested operation may be received from corresponding entities of the set of entities. A determination as to whether a number of the received indications of approval to perform the requested operation with the cryptographic item satisfies a threshold number may be made. In response to determining that the number of the received indications of approval from the corresponding entities of the set of entities satisfies the threshold number, the requested operation may be performed with the cryptographic item.

說明書

FIG. 5A illustrates an example user interface 500 to determine the approval status of a pending requested operation utilizing multiple cryptographic items. The user interface 500 may include similar information associated with the pending requested operation as user interface 425 of FIG. 4B. In FIG. 5A, the requested operation utilizes two different cryptographic items (e.g., Item A and Item B) stored at the key management system. For example, the requested operation may be a key wrapping operation, where a first cryptographic key (e.g., Item A) is used to encrypt a second cryptographic key (e.g., Item B) to protect the second cryptographic key during transmission or storage in an unprotected environment.

Each of the cryptographic items may be assigned to a different group. Each of the groups may have a different quorum policy and different entities to approve the transaction. For example, Item A may be assigned to a first group having three approving entities (e.g., Entities 1-3) and a quorum policy specifying a threshold value of two approvals are required before the operation is performed. Item B may be assigned to a second group having four approving entities (e.g., Entities 4-7) and a quorum policy specifying a threshold value of three approvals are required before the operation is performed. In embodiments, the corresponding threshold values for all the cryptographic items involved in the requested operation must be satisfied before the operation is performed.

權利要求

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