Patent ID: 11924202
Assignee: VIRNETX, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 18:
19. The method of claim 11, further comprising:
receiving, by the domain name server and from a third device, a request to establish a second secure communications link with the second device;
receiving, by the domain name server and from the third device, second user information;
identifying, by the domain name server and based at least in part on the second user information, a second random vector and a second random hash key associated with the second user information;
sending, by the domain name server and to the third device, the second random vector and the second random hash key;
receiving, by the domain name server and from the third device, a third hash value;
identifying, by the domain name server and based at least in part on the user information, a fourth hash value;
determining, by the domain name server, that the third hash value is different from the fourth hash value; and
sending, by the domain name server, a reject notification to the third device based at least in part on the third hash value being different from the fourth hash value.