| 摘要 |
A method for authentication of a high-security client and a low-security client in a high-security mobile radio network includes: transmitting a request for authentication from a base station to the high-security client, wherein the request for authentication comprises a random number as a challenge; receiving a response from the high-security client at the base station, wherein the response from the high-security client comprises a generated number generated by performing a keyed cryptographic function on the challenge; providing a fixed number to the low-security client; and receiving a response from the low-security client at the base station, wherein the response from the low-security client comprises the fixed number. Limited access to the mobile radio network is granted for the low-security client relative to an access of the high-security client.
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