Wireless Terminal Biometric Authentication for SIM Operator Verification
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Solution Overview
Problem
Existing security mechanisms for wireless terminal devices rely on the assumption that the current operator of the mobile phone is identical to the pre-registered user, which can be exploited by fraudsters to gain unauthorized access to security-critical applications, such as online banking or shopping, by obtaining a new SIM with a different person's MSISDN number.
Innovation Solution
Implement biometric authentication methods to verify the identity of the SIM operator by comparing entered biometric data with certified data stored in a subscriber database, using fingerprint, retina, or facial features, and integrating this with existing SIM authentication procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biometric authentication is implemented to verify operator identity, then security reliability is improved, but device complexity increases
Solution Approach 1:
The patent introduces a network node as an intermediary between the terminal device and the subscriber database. The network node performs biometric authentication by receiving biometric data from the terminal, comparing it with stored biometric data in the subscriber database, and returning authentication results. This intermediary approach allows the terminal device to maintain simplicity while achieving enhanced security authentication through the network's computational resources.
2Measurement precision
If biometric data is stored and compared in the subscriber database, then authentication accuracy is improved, but data processing requirements increase
Solution Approach 1:
The patent implements preliminary action by pre-storing biometric data in the subscriber database during the subscriber registration process. When authentication is required, the system only needs to retrieve and compare the stored biometric data with the provided biometric data, rather than performing complex authentication from scratch. This preliminary preparation significantly reduces real-time processing requirements while maintaining high authentication accuracy.
Data Source
AI summary
A technique of authenticating an operator of a wireless terminal device is presented, wherein the first terminal device comprises a subscriber identity module (SIM) and wherein a subscription identifier is stored in the SIM. A method aspect of this technique comprises receiving the subscription identifier or a temporary identifier associated with the subscription identifier. The method aspect also comprises receiving a first set of biometric data of the operator, wherein the first set of biometric data has been entered by the operator at the terminal device, and sending a database request towards a subscriber database in a core network domain of a wireless communication system, the database request including the subscription identifier or the temporary identifier. The method further comprises receiving, in response to the database request, a second set of biometric data associated in the subscriber database with the subscription identifier or the temporary identifier, and authenticating the first set of biometric data on the basis of the second set of biometric data so as to obtain a first authentication result.