Medium ID Encryption for Secure Data Storage
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Solution Overview
Problem
Current methods for protecting digital content from unauthorized copying and access lack simplicity and effectiveness, particularly in ensuring secure data sharing and preventing unauthorized duplication.
Innovation Solution
An apparatus and method for encrypting data stored on a storage medium using a unique medium ID and user-supplied password, where the medium ID is generated upon write request and stored separately, enabling secure access control and copy protection by ensuring only authorized access to the encrypted data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is encrypted using a unique medium ID and user-supplied password, then copy protection and access control are improved, but device complexity increases
Solution Approach 1:
The encryption system is segmented into distinct functional modules: a unique ID generation unit that creates medium-specific identifiers, a password input interface for user authentication, an encryption unit that combines the unique ID and password to encrypt data, and a decryption unit for authorized access. This segmentation allows each component to be optimized independently while maintaining overall system security.
Solution Approach 2:
The unique medium ID is generated and stored on the storage medium before data encryption occurs. This preliminary action ensures that the encryption key components are already in place when data needs to be encrypted or decrypted, enabling fast authentication and encryption operations without requiring complex real-time key generation during data access.
2Reliability
If the medium ID is generated upon write request and stored separately, then security against unauthorized copying is improved, but manufacturing precision requirements increase
Solution Approach 1:
The unique medium ID is stored in a specific dedicated region of the storage medium, separate from the main data storage areas. This local quality approach ensures that the ID information is protected and easily accessible for authentication purposes, while maintaining high security standards. The separate storage location prevents accidental overwriting and enables independent verification of the medium's authenticity.
Data Source
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Figure 1b
Figure 2
AI summary
An apparatus (100) for writing data to a medium. The apparatus (100) comprises a means (110) for receiving a write request and encrypted data from a data provider. The apparatus (100) further comprises a means (120) for creating a medium ID upon reception of the write request. Furthermore, the apparatus (100) comprises a means (130) for providing the medium ID to the data provider for generating the encrypted data and a means (140) for storing the encrypted data on the medium and for storing the medium ID on the medium upon creation of the medium ID, wherein the encrypted data is encrypted based on the medium ID.