Data Cartridge Authorization via Unique Key Segmentation
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Solution Overview
Problem
The prevalence of counterfeit digital media and hacking risks in storage media pose challenges, as inferior quality media can damage drives and unauthorized access is difficult to prevent, especially with common key systems being vulnerable to hacking.
Innovation Solution
An authorization system for data cartridges is introduced, featuring a code, data cartridge interface, fingerprint processor, and password generator, which uses unique information from each cartridge to create a key for authentication, ensuring only authorized access and preventing unauthorized use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a common key system is used for all drives, then ease of operation is improved, but security is worsened due to vulnerability to hacking and duplication
Solution Approach 1:
The patent divides the single common key into multiple unique keys, with each data cartridge having its own unique key. This segmentation maintains ease of operation by allowing any cartridge to be used with any drive (since drives can store multiple keys) while improving security by eliminating the vulnerability of a single shared key that could be hacked or duplicated.
2Reliability
If unique keys are assigned to each data cartridge, then security is improved, but device complexity is worsened
Solution Approach 1:
The patent implements universality by enabling each data cartridge to function with any drive that stores the corresponding unique key. The drive can store multiple unique keys in its memory, allowing a single drive to accommodate multiple cartridges with different keys. This multi-functionality maintains security through unique keys while reducing overall system complexity compared to requiring separate dedicated drives for each cartridge.
3Reliability
If authentication requirements are implemented, then security is improved, but ease of operation is worsened due to additional authentication steps
Solution Approach 1:
The patent applies preliminary action by pre-storing the unique key for each data cartridge in the drive's memory during the initial setup or first insertion. This preliminary storage eliminates the need for additional authentication steps during normal operation, as the key is already available in the drive. The authentication requirement is maintained for security, but the user experience remains simple and intuitive.
Data Source
AI summary
According to the invention, an authorization system for authorizing access to a data cartridge is disclosed. The authorization system includes a code, a data cartridge interface, a fingerprint processor, a password generator, and an authorization engine. The code is obtained from outside the data cartridge. The data cartridge interface is used to read data from the data cartridge, where the data includes first information and a fingerprint. The fingerprint generator generates second information using at least the code. The password generator unlocks the data cartridge using the code and the data. The authorizing engine is coupled to at least one of the password generator or the fingerprint processor. At least some of the data or the second information is compared to authorize the data cartridge.