CN113711564B - 用于加密数据的计算机实现的方法和系统 - Google Patents

用于加密数据的计算机实现的方法和系统

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Publication number
CN113711564B
CN113711564B CN202080029452.6A CN202080029452A CN113711564B CN 113711564 B CN113711564 B CN 113711564B CN 202080029452 A CN202080029452 A CN 202080029452A CN 113711564 B CN113711564 B CN 113711564B
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China
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data
key
public
party
secret
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Application number
CN202080029452.6A
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English (en)
Chinese (zh)
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CN113711564A (zh
Inventor
C·S·赖特
B·G·多伊伦
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Nchain Holdings Ltd
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Nchain Holdings Ltd
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Publication of CN113711564A publication Critical patent/CN113711564A/zh
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04L9/3236—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 using cryptographic hash functions
    • H04L9/3239—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 using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • 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
    • H04L9/3236—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 using cryptographic hash functions
    • H04L9/3242—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 using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
CN202080029452.6A 2019-04-16 2020-04-03 用于加密数据的计算机实现的方法和系统 Active CN113711564B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB1905348.7A GB201905348D0 (en) 2019-04-16 2019-04-16 Computer implemented method and system for encrypting data
GB1905348.7 2019-04-16
PCT/IB2020/053218 WO2020212796A1 (en) 2019-04-16 2020-04-03 Computer implemented method and system for encrypting data

Publications (2)

Publication Number Publication Date
CN113711564A CN113711564A (zh) 2021-11-26
CN113711564B true CN113711564B (zh) 2025-08-12

Family

ID=66809863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080029452.6A Active CN113711564B (zh) 2019-04-16 2020-04-03 用于加密数据的计算机实现的方法和系统

Country Status (6)

Country Link
US (1) US12609815B2 (https=)
EP (1) EP3957044A1 (https=)
JP (1) JP7620564B2 (https=)
CN (1) CN113711564B (https=)
GB (1) GB201905348D0 (https=)
WO (1) WO2020212796A1 (https=)

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* Cited by examiner, † Cited by third party
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GB201913143D0 (en) 2019-09-12 2019-10-30 Nchain Holdings Ltd Running a program from a blockchain
GB2587190B (en) 2019-09-12 2021-12-01 Nchain Holdings Ltd Storing a program on a blockchain
GB201913144D0 (en) 2019-09-12 2019-10-30 Nchain Holdings Ltd Sharing data via transactions of a blockchain
GB2587028A (en) 2019-09-16 2021-03-17 Nchain Holdings Ltd Cryptographically linked identities
CN113098691B (zh) * 2021-03-25 2021-11-23 北京百度网讯科技有限公司 数字签名方法、签名信息的验证方法、相关装置及电子设备
EP4374542A4 (en) * 2021-07-22 2024-11-06 Howard University Hybrid public-key and private-key cryptographic systems based on iso-rsa encryption scheme
EP4224785B1 (en) * 2022-02-03 2024-11-20 PQShield Limited Lattice-based cryptographic digital signature scheme utilising masking
GB2616623A (en) * 2022-03-15 2023-09-20 Nchain Licensing Ag Computer implemented methods & systems
CN115296887B (zh) * 2022-08-02 2023-11-17 中国电子科技集团公司信息科学研究院 数据传输方法、装置、电子设备和存储介质
CN117579392B (zh) * 2024-01-16 2024-04-16 北京富通亚讯网络信息技术有限公司 基于加密处理的可靠数据传输方法、装置、设备及介质
CN117592087B (zh) * 2024-01-18 2024-05-07 三一智造(深圳)有限公司 一种基于区块链的数据安全加密保护系统
CN120086897B (zh) * 2025-05-07 2025-09-05 湖南丰汇银佳科技股份有限公司 一种金融隐私数据保形加解密方法与系统

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CA2581119C (en) * 1995-04-21 2011-05-31 Scott Vanstone Key agreement and transport protocol
JP4602675B2 (ja) 2004-02-10 2010-12-22 エヌ・ティ・ティ・コミュニケーションズ株式会社 機密情報管理システム、機密情報管理方法、および機密情報管理プログラム、並びに機密情報管理システム用端末プログラム
US9209967B2 (en) 2007-03-12 2015-12-08 Exelis, Inc. Precalculated encryption key
JP4687703B2 (ja) * 2007-10-02 2011-05-25 ソニー株式会社 記録システム、情報処理装置、記憶装置、記録方法及びプログラム
KR102255458B1 (ko) * 2013-07-15 2021-05-25 비자 인터네셔널 서비스 어소시에이션 보안 원격 지불 거래 처리
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Also Published As

Publication number Publication date
JP7620564B2 (ja) 2025-01-23
EP3957044A1 (en) 2022-02-23
US20250286705A1 (en) 2025-09-11
CN113711564A (zh) 2021-11-26
GB201905348D0 (en) 2019-05-29
JP2022528925A (ja) 2022-06-16
US12609815B2 (en) 2026-04-21
WO2020212796A1 (en) 2020-10-22

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