Client Key Sharding via Relay Cluster for Secure Message Processing
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Solution Overview
Problem
The leakage of client keys exposes service resources to significant security risks, as clients often store and manage these keys, making them vulnerable to malicious attacks.
Innovation Solution
A method involving a first client obtaining shard information of a second client's key, distributed across multiple shard processing devices, using a relay cluster for secure communication and interaction, generating configuration messages, and transmitting these messages to enable each shard processing device to process the corresponding shard information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the client key is stored and managed by a single client, then the client can access and use the key conveniently, but the security of the client key is compromised due to vulnerability to malicious attacks
Solution Approach 1:
The client key is segmented into multiple shard information pieces and distributed across multiple shard processing devices. Each device holds only a portion of the key, making it impossible for any single device or attacker to obtain the complete key, thus improving security while maintaining accessibility through coordinated retrieval.
2Reliability
If the client key is distributed across multiple shard processing devices, then the security and fault tolerance are improved, but the complexity of key management increases
Solution Approach 1:
The first client acts as an intermediary that manages the complexity of distributing and coordinating shard information across multiple shard processing devices. It generates configuration messages that guide each device on how to process and store its respective shard, centralizing the management complexity in a single entity while distributing the actual key storage.
3Reliability
If shard information is distributed across multiple devices, then fault tolerance and security are enhanced, but the communication and coordination overhead increases
Solution Approach 1:
The first client performs preliminary actions by pre-generating and distributing configuration messages to each shard processing device before the actual key usage. This preliminary configuration establishes the communication channels and processing rules in advance, reducing the coordination overhead during actual key operations and retrieval processes.
Data Source
AI summary
This application discloses a message processing method and apparatus, a product, a device, and a medium. The method is applicable to a first client, and includes: obtaining N pieces of shard information of a client key of a second client, each piece of shard information being processed by one corresponding shard processing device, and the second client being disposed on a shard processing device; obtaining a message topic configured at a relay cluster by each shard processing device; generating a configuration message of each shard processing device according to the shard information corresponding to each shard processing device and the message topic configured by each shard processing device; and transmitting the generated N configuration messages to the relay cluster, to enable each shard processing device to obtain the respective configuration message from the relay cluster and process the corresponding shard information based on the respective configuration message.