System and method for information protection

A technology for information protection and solutions, applied in transmission systems, digital transmission systems, digital data protection, etc., can solve problems such as high risks

Active Publication Date: 2019-10-15
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When communication and delivery is achieved online, the risk becomes even greater due to the free access to online information

Method used

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  • System and method for information protection
  • System and method for information protection
  • System and method for information protection

Examples

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Embodiment Construction

[0026] Because operations are performed by individual nodes (eg, computing devices) in the network, blockchains can be thought of as decentralized databases, often referred to as distributed ledgers. Any information can be written and saved to or read from the blockchain. Anyone can set up a server and join the blockchain network as a node. Any node can contribute computing power to maintain the blockchain by performing complex calculations such as hash calculations to add blocks to the current blockchain, and the added blocks can contain various types of data or information. Nodes that contribute computing power to added blocks can be rewarded with tokens (eg, digital currency units). Since the blockchain does not have a central node, each node is equivalent and holds the entire blockchain database.

[0027] Nodes are, for example, computing devices or large computer systems that support a blockchain network and keep it running smoothly. There are two types of nodes, full ...

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Abstract

A computer-implemented method for information protection comprises: committing a transaction amount of a transaction with a first commitment scheme to obtain a transaction commitment value, committinga change of the transaction with a second commitment scheme to obtain a change commitment value, the first commitment scheme comprising a transaction blinding factor, and the second commitment schemecomprising a change blinding factor; encrypting a first combination of the change blinding factor and the change with a first key; transmitting the transaction blinding factor, the transaction amount, and the transaction commitment value to a recipient node associated with a recipient for the recipient node to verify the transaction; in response to that the recipient successfully verifies the transaction, obtaining an encrypted second combination of the transaction blinding factor and the transaction amount encrypted with a second key.

Description

technical field [0001] The present disclosure generally relates to methods and apparatus for information protection. Background technique [0002] Privacy is important to communications and data transfers between various users. Without protection, users are exposed to identity theft, illegal diversion, or other potential losses. When communication and delivery is achieved online, the risk becomes even greater due to the free access to online information. Contents of the invention [0003] Various embodiments of the present disclosure include systems, methods, and non-transitory computer-readable media for information protection. [0004] According to one aspect, a computer-implemented method for information protection includes: using a first commitment scheme to commit to a transaction amount t of a transaction to obtain a transaction commitment value T, and using a second commitment scheme to commit to the change y of the transaction Commit to obtain change commitment ...

Claims

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Application Information

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IPC IPC(8): G06Q40/04
CPCH04L63/0428H04L2209/04H04L9/0894H04L9/3239H04L9/3247H04L9/3218G06Q20/065G06Q2220/00H04L9/50H04L9/3226H04L9/0861G06F21/60H04L2209/56G06Q20/382H04L9/3252H04L9/3255
Inventor马环宇张文彬马宝利刘正崔嘉辉
OwnerADVANCED NEW TECH CO LTD