Relay Network for Passwordless Encryption
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Solution Overview
Problem
Conventional encryption systems face inefficiencies when multiple devices are used for encryption and decryption, leading to challenges in data transfer and management, particularly in securing large volumes of data-at-rest without requiring users to input passwords or manage numerous cryptographic keys.
Innovation Solution
The implementation of a method using symmetric cryptography, asymmetric cryptography, and threshold cryptography, where data is encrypted with a block cipher and split into key shards, which can be reconstituted from a threshold number of shards, allowing secure transmission and decryption without the need for explicit key management or password input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional encryption systems use multiple devices for encryption and decryption, then security is improved, but data transfer efficiency deteriorates
Solution Approach 1:
The patent introduces a gateway server as an intermediary that coordinates communication between multiple devices. The gateway manages the relay of encrypted data and cryptographic keys between devices, enabling secure multi-device encryption/decryption while maintaining efficient data transfer through centralized coordination rather than direct peer-to-peer communication between all device pairs.
2Reliability
If users manage cryptographic keys directly, then security control is improved, but ease of operation deteriorates
Solution Approach 1:
The patent extracts the cryptographic key management burden from the user and places it on the gateway server. Users no longer need to manually generate, store, or transmit cryptographic keys. Instead, the gateway automatically manages key generation, distribution, and rotation behind the scenes, while users retain security control through authentication and authorization mechanisms.
3Ease of operation
If passwords are used for authentication, then ease of operation is improved, but security deteriorates due to vulnerability
Solution Approach 1:
The patent replaces the mechanical/password-based authentication system with a cryptographic authentication mechanism. Instead of relying on users to remember and input passwords, the system uses cryptographic proofs and digital signatures to verify user identity and permissions. This substitution eliminates password vulnerabilities while maintaining ease of operation through automated cryptographic authentication.
Data Source
AI summary
A method comprises registering, by a first device having a public key, with a gateway server by providing a proof of work based on the first device public key and encrypting and decrypting data using cryptographic information transmitted via the gateway server between other devices similarly registered.