Method and system for verifying the authenticity of a first communication participants in a communications network
AssigneeSiemens Aktiengesellschaft
InventorsJorge Cuellar, Guenther Horn
Life of this patent
Estimating the term…
Abstract
In the method and the arrangement for checking the authenticity of a first communication subscriber in a communications network, a first fault information item is formed in the first communication subscriber using a fault detection data item of the first communication subscriber and an information item relating to a random data item. In a second communication subscriber in the communications network, a second fault information item is formed using a fault detection data item of the second communication subscriber and the information relating to the random data item. The authenticity of the first communication subscriber is checked using the first fault information and the second fault information.
Claims20
A method for checking the authenticity of a first communication subscriber in a communications network, comprising:
- forming a first fault information item in the first communication subscriber using a fault detection data item of the first communication subscriber and an information item relating to a random data item which has been transmitted to the first communication subscriber by a second communication subscriber in the communications network;
- transmitting the first fault information to the second communication subscriber by the first communication subscriber,
- forming a second fault information item in the second communication subscriber using a fault detection data item of the second communication subscriber and the information item relating to the random data item;
- checking the authenticity of the first communication subscriber in the second communication subscriber using the first fault information item and the second fault information item.
A system for checking authenticity in a communications network, comprising:
- a first communication subscriber to form a first fault information using a fault detection data item of the first communication subscriber and an information item relating to a random data item which has been transmitted to the first communication subscriber, and to transmit the first fault information;
- a second communication subscriber to transmit the information relating to the random data item to the first communication subscriber, to receive the first fault information from the first communication subscriber, to form a second fault information using a fault detection data item of the second communication subscriber and the information relating to the random data item, and to check the authenticity of the first communication subscriber using the first fault information and the second fault information.
A method for a second communication subscriber to confirm the authenticity of a first communication subscriber in a communications network, comprising:
- transmitting an information item relating to a random data item to the first communication subscriber;
- receiving a first fault information item from the first communication subscriber, the first fault information item being formed using a fault detection data item of the first communication subscriber and the information item relating to the random data item;
- forming a second fault information item in the second communication subscriber using a fault detection data item of the second communication subscriber and the information item relating to the random data item;
- and
- checking the authenticity of the first communication subscriber in the second communication subscriber using the first fault information item and the second fault information item.
Dependencies are inferred from the claim text.