process and arrangement for verifying the authenticity of a first communication participant in a communication network

摘要

"process and arrangement for verifying the authenticity of a first communication participant in a communication network". In the process for verifying the authenticity of a first communication participant in a communication network, in the first communication participant employing an error identification indication of the first and an information about a random indication a first error information is formed. In a second communication participant in the communication network, employing an error identification indication of the second communication participant and information about the random indication, a second error information is formed. By using the first error information and the second error information, the authenticity of the first communication participant is verified.