{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853812","patent":{"patent_number":"US-9853812","title":"Secure key management for roaming protected content","assignee":null,"inventors":[],"filing_date":"2014-09-17T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","G06F","G06F","G06F","G06F","H04L","H04L","H04L","H04L","H04W","H04W","H04W"],"num_claims":20,"abstract":"Content on a device is encrypted and protected based on a data protection key corresponding to a particular identity of the user of the device. The protected content can then be stored to cloud storage, and from the cloud storage the protected content can be transferred to various other ones of the user's devices. A data protection key that is used to retrieve the plaintext content from the protected content is maintained by the user's device. This data protection key can be securely transferred to other of the user's devices, allowing any of the user's devices to access the protected content."},"analysis":{"summary":"The Secure Key Management for Roaming Protected Content patent introduces a system for securely managing and accessing encrypted content across multiple devices owned by a single user. The core innovation lies in encrypting content based on a data protection key that corresponds to the user's identity, rather than being tied to a specific device. This approach solves the problem of cumbersome and insecure content access when users switch between devices, a common issue with traditional device-specific encryption methods.\n\nThe key technical approach involves a secure transfer mechanism that allows users to move their data protection key to other devices, enabling seamless access to protected content across their entire ecosystem. This ensures that only the authorized user can decrypt the content, reducing the risk of unauthorized access even if the content is stored in the cloud or on shared devices.\n\nFrom a business perspective, this innovation offers significant value by enhancing user experience and encouraging the adoption of secure content management practices. It opens up market opportunities for content providers to deliver their content to users in a more efficient and secure manner, potentially leading to increased user engagement and reduced churn. The technology has broad applications across industries such as entertainment, education, and enterprise data management, making it a valuable asset in the digital age. The market opportunity is substantial, as the demand for secure and user-friendly content protection solutions continues to grow with the increasing reliance on cloud storage and multi-device access.","layman_explanation":"The Secure Key Management for Roaming Protected Content patent addresses the growing problem of accessing protected content across multiple devices. In today's world, we use various devices like smartphones, tablets, and laptops to consume digital content. However, accessing the same content on different devices can be cumbersome due to security restrictions and device-specific encryption.\n\nThe core idea behind this patent is to encrypt content using a key that is tied to the user's identity, rather than the specific device. This means that the user can securely transfer their key to other devices and access the protected content without having to manage multiple passwords or encryption keys. Think of it like having a single key that unlocks all your digital content, regardless of which device you're using.\n\nThis innovation matters because it simplifies content access while maintaining a high level of security. It has significant market impact as it can be applied to various industries, including entertainment, education, and enterprise data management. Content providers can use this technology to deliver their content to users in a more efficient and secure manner, potentially increasing user engagement and reducing churn. The competitive advantages include enhanced user experience, simplified key management, and robust security.\n\nLooking ahead, this technology could be further developed to support new content formats and devices. Market adoption is expected to increase as more and more content is stored in the cloud and accessed on multiple devices. The investment implications are positive, as this technology has the potential to generate significant revenue for content providers and technology companies.","technical_analysis":"The Secure Key Management for Roaming Protected Content patent details a system designed to provide secure and seamless access to protected content across multiple devices owned by a single user. The architecture revolves around the concept of user-centric encryption, where content is encrypted using a data protection key associated with the user's identity rather than the specific device.\n\nImplementation involves several key components. First, a content encryption module utilizes advanced encryption algorithms to protect content from unauthorized access. This module ensures that content remains encrypted at rest and in transit. Second, a data protection key management module handles the generation, storage, and secure management of the user's data protection key. This module employs secure storage mechanisms and access controls to prevent key compromise. Third, a secure transfer module facilitates the secure transfer of the data protection key between devices. This module uses cryptographic protocols to ensure that the key is protected from interception or tampering during transfer.\n\nThe system leverages techniques such as asymmetric cryptography for key exchange and symmetric cryptography for content encryption. Integration with existing content management systems can be achieved through APIs and SDKs. Performance is optimized by using efficient encryption algorithms and minimizing key transfer overhead. Code-level implications include the need for secure coding practices to prevent vulnerabilities such as buffer overflows and injection attacks. The technology also relies on secure boot and trusted execution environments to protect the data protection key from malware and other threats.","business_analysis":"The Secure Key Management for Roaming Protected Content patent addresses a significant market need for secure and convenient content access across multiple devices. The market opportunity is substantial, driven by the increasing reliance on cloud storage and the proliferation of digital devices. This technology offers several competitive advantages, including enhanced security, seamless cross-device access, and simplified key management.\n\nThe revenue potential is significant, particularly for content providers who can leverage this technology to deliver their content to users in a more efficient and secure manner. Business models could include licensing the technology to content providers, offering a subscription-based service for secure content management, or integrating the technology into existing content delivery platforms.\n\nFrom a strategic perspective, this innovation positions the patent holder as a leader in the field of digital rights management. The technology can be used to attract and retain customers, differentiate products and services, and create new revenue streams. ROI projections are favorable, given the potential for increased user engagement, reduced churn, and improved revenue generation. This technology can be strategically positioned to capitalize on the growing demand for secure and user-friendly content protection solutions, making it a valuable asset for businesses operating in the digital media and entertainment industries.","faqs":null,"topics":["content security","key management","encryption","digital rights management","cross-device access","secure","management","roaming"],"tech_cluster":null},"seo":{"title":"Secure Key Management for Roaming Protected Content - Patent US-9853812","description":"Discover Secure Key Management for Roaming Protected Content, enabling seamless and secure content access across multiple devices. Full patent analysis and claims.","keywords":["content security","key management","encryption","digital rights management","cross-device access","roaming content","secure content","patent","patent US-9853812","data protection","cloud storage","user authentication"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853812","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853812","citation_suggestion":"Patentable. \"Secure key management for roaming protected content\" (US-9853812). https://patentable.app/patents/US-9853812","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853812","json":"https://patentable.app/api/llm-context/US-9853812","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T18:57:25.422Z"}