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An Improved Anti-replay Device Based on Storage Space Swap

A memory and replay attack technology, which is applied in the direction of attacking encryption mechanism countermeasures, instruments, digital transmission systems, etc., can solve problems such as inaccuracy

Active Publication Date: 2022-05-31
蚂蚁双链科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of Bloom filters is that the return value is probabilistic (ie, imprecise)

Method used

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  • An Improved Anti-replay Device Based on Storage Space Swap
  • An Improved Anti-replay Device Based on Storage Space Swap
  • An Improved Anti-replay Device Based on Storage Space Swap

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Embodiment Construction

[0019] The present disclosure describes schemes involving techniques for using storage space swapping to more efficiently identify replay attacks.

[0020] To provide further context for the embodiments herein, and as described above, the distributed ledger system (DLS), in turn

[0021] A blockchain is a data structure that stores transactions in a manner that cannot be tampered with. Therefore, recorded on the blockchain

[0022] A blockchain is a decentralized or at least partially decentralized data structure for storing transactions, and the blockchain network

[0023] Typically, a consortium blockchain network is private among participating entities. In a consortium blockchain network, consensus processing

[0025] FIG. 1 is a diagram illustrating an example of an environment 100 that may be used to implement embodiments herein. In some examples, environment 100

[0026] In the depicted example, the computing devices 106, 108 may each include the ability to participate as ...

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PUM

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Abstract

Methods, systems and apparatus, including computer programs encoded on computer storage media, are described herein for detecting and inhibiting replay attacks. One of the methods includes receiving a transaction to be completed in the blockchain, determining a current working segment in memory for storing transaction information, the current working segment being designated for identifying processed historical transactions, Wherein, the memory also stores a backup section, and when the backup section is used in combination with the current working section, it provides an alternative storage section storage scheme for the transaction information. Whether the transaction has been previously processed is determined based on the current work session. When it is determined that the transaction has been previously processed, the transaction is skipped. Processing the transaction when it is determined that the transaction has not been previously processed, and writing transaction information for the transaction into the current work session.

Description

An Improved Anti-Replay Device Based on Storage Space Interchange technical field [0001] This paper relates to identifying replay attacks (or replay attacks) in which transactions or transmissions are maliciously or spoofed Sexual repetition. Background technique [0002] A distributed ledger system (DLS), also known as a consensus network and / or a blockchain network, enables participating entities to Store data securely and immutably. Without citing any specific use case, DLS is often referred to as a blockchain network network. Examples of types of blockchain networks may include public blockchain networks, private blockchain networks, and consortium blockchain networks. The consortium blockchain network is provided for a selected group of entities that control consensus processing and include an access control layer. [0003] A replay attack can refer to an attacker sending a packet that the target host has already received, such as an exchange in a blockchain net...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40G06F21/55
CPCH04L63/1416H04L9/002H04L63/1466G06F21/64G06F21/554H04L63/123H04L9/3239H04L9/50
Inventor 吕宏
Owner 蚂蚁双链科技(上海)有限公司