Single Authentication Processor for Media Accessory Verification
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Solution Overview
Problem
Existing multimedia communication systems require multiple dedicated authentication processors for each device and service, leading to increased costs and complexity, as they need to support various media devices and services, which limits their implementation.
Innovation Solution
A system and method that utilize a single authentication processor to authenticate multiple accessory devices and media devices by sharing digital certificates and signatures, managed through an authentication processor manager, allowing communication between media devices and accessory devices via a proxy server module connected to the authentication processor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dedicated Authentication Co-Processor is added to each device for supporting multiple media devices and services, then authentication capability and device compatibility are improved, but device complexity and manufacturing cost increase significantly
Solution Approach 1:
The patent implements a universal authentication processor that can authenticate multiple types of media devices and services (iPod, iPhone, iPad, iTunes streaming, etc.) through a single device. This eliminates the need for separate authentication processors for each device type, reducing complexity while maintaining broad authentication capability across diverse media devices and services
2Adaptability or versatility
If multiple Authentication Co-Processors are deployed to support different media devices and services, then authentication coverage is improved, but manufacturing cost increases significantly
Solution Approach 1:
The authentication processor is designed as a universal component that can handle authentication for multiple media devices and services simultaneously. This single universal processor replaces multiple dedicated processors, significantly reducing the bill of materials and manufacturing cost while maintaining comprehensive authentication coverage across iPod, iPhone, iPad, iTunes streaming, and other Apple products
3Ease of manufacture
If a single authentication processor is shared among multiple devices, then manufacturing cost and device complexity are reduced, but authentication performance and reliability may be compromised
Solution Approach 1:
The authentication processor performs preliminary authentication checks before allowing device communication or service access. By establishing authentication credentials and digital signatures in advance, the system ensures reliable authentication occurs before any data transfer or service operation, maintaining security and reliability even with a shared processor
Solution Approach 2:
The authentication processor acts as an intermediary between multiple media devices and accessory devices. It manages authentication requests from various devices through standardized protocols, ensuring each device is properly verified before granting access. This intermediary role maintains authentication reliability by providing a centralized security checkpoint that all devices must pass through
Data Source
AI summary
Embodiments of the present disclosure provide a method and system for authenticating communication between a plurality of accessory devices or services and one or more media devices by using a single authentication processor. The method includes the steps of establishing a communication of a media device attached to an accessory device with an authentication processor through an authentication processor manager, authenticating the accessory device by the media device based on a digital certificate and a digital signature; and authenticating the media device by the accessory device based on verification of the digital certificate and the digital signature.