[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN111989891A - 数据处理方法、相关装置及区块链系统 - Google Patents

数据处理方法、相关装置及区块链系统 Download PDF

Info

Publication number
CN111989891A
CN111989891A CN201880092481.XA CN201880092481A CN111989891A CN 111989891 A CN111989891 A CN 111989891A CN 201880092481 A CN201880092481 A CN 201880092481A CN 111989891 A CN111989891 A CN 111989891A
Authority
CN
China
Prior art keywords
transaction amount
plaintext
ciphertext
sender
transaction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201880092481.XA
Other languages
English (en)
Other versions
CN111989891B (zh
Inventor
阮子瀚
吴双
贺伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei International Pte Ltd
Original Assignee
Huawei International Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei International Pte Ltd filed Critical Huawei International Pte Ltd
Publication of CN111989891A publication Critical patent/CN111989891A/zh
Application granted granted Critical
Publication of CN111989891B publication Critical patent/CN111989891B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

本申请实施例提供了一种数据处理方法、相关装置及区块链系统，其中，该方法包括：发送方采用加法同态加密算法对交易金额的明文M加密，生成交易金额的密文；其中，上述交易金额的明文M的比特位长度为U；上述发送方将所述交易金额的密文发送至验证方；上述验证方根据上述交易金额的密文验证上述交易金额的明文M是否属于第一有效范围；上述第一有效范围为[0，2U‑1]。实施本申请实施例可以在区块链系统中保护交易金额的隐私，在验证方无法获知交易金额的明文的情况下，验证交易金额是否在有效范围内，保证交易的合法性。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201880092481.XA 2018-04-26 2018-04-26 数据处理方法、相关装置及区块链系统 Active CN111989891B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2018/050200 WO2019209168A2 (zh) 2018-04-26 2018-04-26 数据处理方法、相关装置及区块链系统

Publications (2)

Publication Number Publication Date
CN111989891A true CN111989891A (zh) 2020-11-24
CN111989891B CN111989891B (zh) 2024-07-05

Family

ID=68295255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880092481.XA Active CN111989891B (zh) 2018-04-26 2018-04-26 数据处理方法、相关装置及区块链系统

Country Status (2)

Country Link
CN (1) CN111989891B (zh)
WO (1) WO2019209168A2 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112418857A (zh) * 2020-11-30 2021-02-26 北京八分量信息科技有限公司 基于utxo模型的隐藏交易方法、装置及相关产品
CN112632636A (zh) * 2020-12-23 2021-04-09 深圳前海微众银行股份有限公司 一种密文数据比较结果的证明与验证方法及装置
CN112819465A (zh) * 2021-01-28 2021-05-18 武汉天喻聚联科技有限公司 基于Elgamal的同态加密方法及应用系统
CN116432204A (zh) * 2023-04-20 2023-07-14 兰州理工大学 基于同态加密和零知识证明的可监管交易隐私保护方法
US11943360B2 (en) 2021-06-22 2024-03-26 International Business Machines Corporation Generative cryptogram for blockchain data management

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111783114B (zh) 2018-08-06 2024-04-02 创新先进技术有限公司 区块链交易方法及装置、电子设备
CN112651740B (zh) 2018-08-30 2024-10-29 蚂蚁链技术有限公司 区块链交易方法及装置、电子设备
BR112019010751B1 (pt) 2018-12-29 2022-05-24 Advanced New Technologies Co., Ltd Método de proteção de informação implementado por computador, sistema de proteção de informação e mídia de armazenamento não transitória legível por computador
CN111161075B (zh) * 2019-12-31 2024-04-05 深圳市迅雷网络技术有限公司 区块链交易数据证明监管方法、系统及相关设备
CN111355578B (zh) * 2020-03-16 2023-04-11 麦希科技(北京)有限公司 一种具有双监管方的公钥加密解密方法及系统
CN111429138A (zh) * 2020-03-25 2020-07-17 中国工商银行股份有限公司 区块链节点数据安全交互方法及第一交互节点
CN111931209B (zh) * 2020-08-18 2024-03-22 金网络(北京)数字科技有限公司 基于零知识证明的合同信息验证方法及装置
CN112734423A (zh) * 2020-12-31 2021-04-30 杭州趣链科技有限公司 一种基于区块链的交易方法及终端设备
CN114257366B (zh) * 2021-12-20 2024-04-12 成都卫士通信息产业股份有限公司 信息同态处理方法、装置、设备及计算机可读存储介质
CN117353890A (zh) * 2022-06-29 2024-01-05 中兴通讯股份有限公司 数据处理方法、设备、计算机设备和可读存储介质
CN116886268B (zh) * 2023-08-10 2024-04-26 云海链控股股份有限公司 数据传输验证方法、装置、设备及计算机可读存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160358165A1 (en) * 2015-06-08 2016-12-08 Blockstream Corporation Cryptographically concealing amounts transacted on a ledger while preserving a network's ability to verify the transaction
CN106911470A (zh) * 2017-01-23 2017-06-30 北京航空航天大学 一种比特币交易隐私增强方法
CN107317666A (zh) * 2017-05-25 2017-11-03 南京邮电大学 一种支持浮点运算的并行全同态加解密方法
CN108021821A (zh) * 2017-11-28 2018-05-11 北京航空航天大学 多中心区块链交易隐私保护系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9613292B1 (en) * 2012-01-26 2017-04-04 Hrl Laboratories, Llc Secure multi-dimensional pattern matching for secure search and recognition
CN108292347A (zh) * 2015-12-22 2018-07-17 华为技术有限公司 一种用户属性匹配方法及终端
CN106549749B (zh) * 2016-12-06 2019-12-24 杭州趣链科技有限公司 一种基于加法同态加密的区块链隐私保护方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160358165A1 (en) * 2015-06-08 2016-12-08 Blockstream Corporation Cryptographically concealing amounts transacted on a ledger while preserving a network's ability to verify the transaction
CN106911470A (zh) * 2017-01-23 2017-06-30 北京航空航天大学 一种比特币交易隐私增强方法
CN107317666A (zh) * 2017-05-25 2017-11-03 南京邮电大学 一种支持浮点运算的并行全同态加解密方法
CN108021821A (zh) * 2017-11-28 2018-05-11 北京航空航天大学 多中心区块链交易隐私保护系统及方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112418857A (zh) * 2020-11-30 2021-02-26 北京八分量信息科技有限公司 基于utxo模型的隐藏交易方法、装置及相关产品
CN112418857B (zh) * 2020-11-30 2023-06-30 北京八分量信息科技有限公司 基于utxo模型的隐藏交易方法、装置及相关产品
CN112632636A (zh) * 2020-12-23 2021-04-09 深圳前海微众银行股份有限公司 一种密文数据比较结果的证明与验证方法及装置
CN112632636B (zh) * 2020-12-23 2024-06-04 深圳前海微众银行股份有限公司 一种密文数据比较结果的证明与验证方法及装置
CN112819465A (zh) * 2021-01-28 2021-05-18 武汉天喻聚联科技有限公司 基于Elgamal的同态加密方法及应用系统
CN112819465B (zh) * 2021-01-28 2023-08-15 武汉天喻聚联科技有限公司 基于Elgamal的同态加密方法及应用系统
US11943360B2 (en) 2021-06-22 2024-03-26 International Business Machines Corporation Generative cryptogram for blockchain data management
CN116432204A (zh) * 2023-04-20 2023-07-14 兰州理工大学 基于同态加密和零知识证明的可监管交易隐私保护方法
CN116432204B (zh) * 2023-04-20 2023-11-17 兰州理工大学 基于同态加密和零知识证明的可监管交易隐私保护方法

Also Published As

Publication number Publication date
WO2019209168A3 (zh) 2019-12-12
WO2019209168A2 (zh) 2019-10-31
CN111989891B (zh) 2024-07-05

Similar Documents

Publication Publication Date Title
CN111989891A (zh) 数据处理方法、相关装置及区块链系统
CN110637441B (zh) 应用于数据重复数据删除的加密密钥生成
US10846372B1 (en) Systems and methods for trustless proof of possession and transmission of secured data
CN110011781B (zh) 用于交易金额加密且支持零知识证明的同态加密方法和介质
EP4176563B1 (en) Tls integration of post quantum cryptographic algorithms
US8180047B2 (en) Trapdoor pairings
EP1710952B1 (en) Cryptographic Applications of the Cartier Pairing
US20150288527A1 (en) Verifiable Implicit Certificates
JP2023115331A (ja) デジタル署名されたデータを取得するためのコンピュータにより実施される方法及びシステム
JP2021523620A (ja) 秘密を通信する方法及びシステム
EP2201718A2 (en) An efficient certified email protocol
US20240305451A1 (en) Computer implemented system and method for sharing a common secret
WO2019110399A1 (en) Two-party signature device and method
TW202232913A (zh) 共享金鑰產生技術
CN112417489B (zh) 数字签名的生成方法、装置和服务器
CN118160275A (zh) 阈值签名方案
US11496287B2 (en) Privacy preserving fully homomorphic encryption with circuit verification
CN114257366A (zh) 信息同态处理方法、装置、设备及计算机可读存储介质
WO2022116175A1 (zh) 数字签名的生成方法、装置和服务器
JP5513255B2 (ja) 代理署名システム、方法
Liu et al. Proofs of encrypted data retrievability with probabilistic and homomorphic message authenticators
CN109905232B (zh) 一种签解密方法、系统、设备及计算机可读存储介质
CN113141249B (zh) 一种门限解密方法、系统及可读存储介质
Lin Cloud data storage with group collaboration supports
CN116415265A (zh) 加密、加密签名处理、解密方法及相关设备

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant