Automated DNSSEC Key Management via Email Authentication
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Solution Overview
Problem
The widespread adoption of DNSSEC is hindered by the difficulty in managing and securing keying material, which increases the security burden and limits interoperability among cryptographic identity systems.
Innovation Solution
An automated DNSSEC key management and provisioning system that utilizes existing Public Key Infrastructure (PKI) mechanisms, trusted third-party identity attestation, out-of-band initial authorization, and a secure processing environment to simplify key management through standard secure email exchanges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If DNSSEC key management is manually managed, then security control is direct and precise, but the security burden increases and management complexity increases
Solution Approach 1:
The system enables automated self-service for DNSSEC key management through email-based authentication. The domain owner's existing email account automatically serves as the security credential, eliminating the need for manual key generation, storage, and rotation. The automated processor receives email messages, validates authentication, and performs key management operations without human intervention, reducing both security burden and management complexity while maintaining strong security controls.
Solution Approach 2:
An automated processor acts as an intermediary between the domain owner and DNSSEC key management operations. The processor receives authenticated email messages from the domain owner and automatically performs the complex cryptographic operations, key generation, and DNSSEC record updates. This intermediary handles the security-critical functions while shielding the domain owner from complexity, resolving the contradiction between reliable security control and management simplicity.
2Reliability
If DNSSEC adoption is expanded, then Internet security is improved, but the difficulty in managing keying material increases
Solution Approach 1:
The system uses a universal email authentication mechanism that works across different domain owners and DNSSEC operations. The same email-based authentication method handles key generation, key rotation, and DNSSEC record updates uniformly. This universal approach eliminates the need for domain-specific key management procedures, making DNSSEC adoption easier while maintaining security, thus resolving the contradiction between improved Internet security and ease of key management.
Solution Approach 2:
Domain owners leverage their existing email accounts for automatic authentication without requiring separate key management infrastructure. The system automatically performs all key management tasks including generation, storage, and rotation based on email authentication, eliminating manual key management difficulties and enabling widespread DNSSEC adoption with improved ease of operation.
3Device complexity
If automated key management is implemented, then management complexity is reduced, but the need for secure processing environment increases
Solution Approach 1:
The automated processor serves as a secure intermediary that operates within a protected processing environment. It receives authenticated email messages and performs all cryptographic operations within this secure boundary, isolating the security-critical operations from external threats. The processor acts as a controlled interface between the untrusted external email system and the trusted DNSSEC key management functions, reducing management complexity while mitigating security risks through environmental controls.
4Adaptability or versatility
If existing PKI mechanisms are used, then interoperability is improved, but the security burden on DNSSEC increases
Solution Approach 1:
The system extracts the authentication function from DNSSEC and places it in the email authentication layer using existing PKI mechanisms. By taking out the authentication responsibility from DNSSEC and relying on the proven security of email/PKI infrastructure, the system improves interoperability through universal email compatibility while reducing the security burden on DNSSEC itself. The extraction separates concerns, allowing DNSSEC to focus on its core function while leveraging external authentication infrastructure.
Data Source
AI summary
A system and method that maintains a secure chain of trust from domain name owner to publication by extending the trust placed in existing cryptographic identity systems to the records published in the Internet's Domain Name System (DNS) and secured by its DNS Security Extensions (DNSSEC) infrastructure. Automated validation and processing occur within a secured processing environment to capture and preserve the cryptographic security from the source request.