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A distributed log audit system and method based on state channel

A state channel and distributed technology, applied in the blockchain field, can solve problems such as insufficient to solve massive logs, and achieve the effects of reducing storage overhead on the chain, high consistency, and ensuring security

Active Publication Date: 2021-02-19
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these solutions are not enough to solve the problem of massive log generation in practice
It is estimated that an ordinary web server can generate millions of logs a day, requiring hundreds of MB of storage space. However, the throughput of the current blockchain and the storage space of its own blockchain are not enough to support such a massive amount of concurrent data. storage

Method used

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  • A distributed log audit system and method based on state channel
  • A distributed log audit system and method based on state channel
  • A distributed log audit system and method based on state channel

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Embodiment Construction

[0022] In order to facilitate those skilled in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, not for limit the invention.

[0023] Aiming at the technical problems pointed out in the background technology, the present invention adopts a more general solution, that is, it does not need to change the state channel of the original blockchain to adapt to the scenario in this paper. State channels originate from payment channels and are used for payment interactions between two nodes in the blockchain. The main idea behind it is to place a large number of small transactions off-chain. Parties wishing to open a payment channel deploy a special "channel contract" on the blockchain and lock a certain amount of cur...

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Abstract

The invention discloses a distributed log audit system and method based on a state channel. The system includes a state processing and storage unit in a log server, a block chain network including a multi-party state channel contract, and a log audit unit of an external auditor; The state processing and storage unit in the log server is used to preprocess the log, generate local log state and global log state, and interact with the block chain; the block chain network of the efficient multi-party state channel contract is used to protect The security and integrity of the log state are confirmed through the state channel under the chain; the log audit unit of the external auditor is used to audit the server log records, and the audit results are obtained automatically. The state-channel-based distributed log audit system provided by the present invention can provide users with a reliable and safe log integrity protection method in the fields of computer intrusion detection and digital forensics.

Description

technical field [0001] The invention belongs to the technical field of block chains, and relates to a distributed log audit system and method, in particular to a fast log audit system and method in a state channel-based distributed cluster environment. Background technique [0002] A log is a set of time-series records related to security, which can be used for intrusion detection and digital forensics of computer system events. Especially in large-scale organizations, it is common to leverage audit logs updated from multiple servers to detect attacks. These computers (eg, web servers, firewalls, and intrusion detection systems) together form a distributed cluster environment. Most enterprises now use a full-featured log audit system to collect, analyze, store and display log data. [0003] Researchers have demonstrated that by using attack investigation techniques such as causality analysis, administrators can audit trail many attack logs, even advanced persistent threats...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08H04L9/32G06F16/18G06F21/64
CPCH04L63/1425H04L63/166H04L67/10H04L9/3247G06F16/1815G06F21/64H04L9/50
Inventor 陈晶陈新何琨杜瑞颖
Owner WUHAN UNIV
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