Patent ID: 11968293
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A system comprising:
a processor; and
a memory in communication with the processor, the memory containing program instructions that, when executed by the processor, are configured to cause the processor to:
obtain, in a first message from a source entity and in a second message from a target entity, context information of a handshake between the source entity and the target entity at a security proxy;
transmit the context information from the security proxy to a key manager, the key manager maintaining a first private key of the security proxy;
transmit historical context information of a historical handshake involving the source entity to the key manager;
receive a first handshake message from the key manager, the first handshake message generated at least based on the context information and the historical context information and signed with the first private key; and
transmit the first handshake message to the target entity.