Secure Authorization Code for Domain Transfer
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Solution Overview
Problem
The existing EPP domain authorization code system lacks security, as it relies on non-expiring codes that are often not securely managed, leading to risks of domain name hijacking.
Innovation Solution
A secure authorization code with an expiration date is generated by the registry upon request, transmitted to the registrar, and verified before authorizing domain name transfers, enhancing security by reducing reliance on insecurely managed codes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If EPP domain authorization codes are used for domain name transfers, then the transfer process can be initiated, but the security risk of domain name hijacking increases due to non-expiring and insecurely managed codes
Solution Approach 1:
The authorization code is transformed from a static, permanent value to a dynamic, time-limited credential. The code automatically expires after a predetermined period, requiring regeneration for subsequent transfer operations. This dynamic特性 prevents indefinite use of compromised codes and reduces the window of opportunity for hijacking attempts.
Solution Approach 2:
The system performs preliminary validation by checking whether an authorization code has already been generated for the current transfer operation before accepting it. This prevents duplicate or fraudulent use of the same code and ensures that each transfer request is authenticated with a fresh, unique credential.
Solution Approach 3:
The authorization mechanism changes the temporal parameter of the code from permanent to ephemeral. By introducing expiration time as a critical parameter, the system fundamentally alters the security characteristics of the authorization code, making it vulnerable only for a limited duration rather than indefinitely.
2Reliability
If a secure authorization code with expiration is implemented, then the security against hijacking is improved, but the complexity of the authorization system increases
Solution Approach 1:
The authorization system is segmented into distinct functional components: code generation, code storage, expiration tracking, and validation logic. Each component handles a specific aspect of the authorization process, making the overall system more manageable and maintainable despite the increased functionality required for security.
Solution Approach 2:
The system uses database tables to store and manage authorization codes, effectively creating structured copies of the code data with associated metadata (expiration time, status). This tabular approach simplifies the management of complex authorization states compared to unstructured storage methods.
3Ease of operation
If the same EPP domain authorization code is used for many domain names, then the ease of operation is improved, but the security risk increases as a single compromised code affects multiple domains
Solution Approach 1:
The authorization code is segmented to be unique to each domain name rather than being a shared credential across multiple domains. This segmentation ensures that compromise of one code affects only a single domain, isolating the security incident and preventing lateral movement to other domains.
Solution Approach 2:
Each authorization code is tailored to its specific domain context, with properties and expiration times that are local to that particular domain's transfer requirements. This local customization allows for granular security control where each domain can have its own security parameters independent of others.
Data Source
AI summary
Systems, methods, and computer-readable storage media for enabling secure transfer of Internet domains between registrars. An example method can include receiving, at a registry, a request from a first registrar for information associated with an object recorded in the registry and registered by the first registrar, then generating, at the registry, an authorization code, the authorization code having an expiration. The registry can then transmit, to the first registrar, the authorization code, which in turn can be given to the registrant. The registrant can forward the authorization code to the second registrar, and the registry can receive, from a second registrar before the expiration has been reached: the authorization code and a transfer request for the object, the transfer request identifying a transfer of the object from the first registrar to the second registrar. At that point the registry can verify the authorization code authorize the transfer request of the object from the first registrar to the second registrar.