Patent ID: 11943345
Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The key management method according to claim 1, wherein the step of on the basis of the attribute set for encrypting the data key, verifying whether attribute information of the key acquisition request information is included in the attribute set for encrypting the data key comprises:
verifying whether the key acquisition request information is legal according to identity information of a user requesting to acquire a key and second preset identity information, wherein the second preset identity information is identity information capable of acquiring the key;
in response to the key acquisition request information being legal, verifying whether the key acquisition request information is correct according to the role information of the user requesting to acquire the key and second preset role access control information, wherein the second preset role access control information is the role authority information capable of acquiring the key; and
in response to the key acquisition request information being correct, verifying whether the attribute information of the key acquisition request information is included in the attribute set for encrypting the data key.