DE60044834D1 - Prüfbarer anonymer Kanal - Google Patents

Prüfbarer anonymer Kanal

Info

Publication number
DE60044834D1
DE60044834D1 DE60044834T DE60044834T DE60044834D1 DE 60044834 D1 DE60044834 D1 DE 60044834D1 DE 60044834 T DE60044834 T DE 60044834T DE 60044834 T DE60044834 T DE 60044834T DE 60044834 D1 DE60044834 D1 DE 60044834D1
Authority
DE
Germany
Prior art keywords
testable
anonymous channel
anonymous
channel
testable anonymous
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.)
Expired - Lifetime
Application number
DE60044834T
Other languages
English (en)
Inventor
Masayuki Abe
Fumitaka Hoshino
Miyako Ohkubo
Atsushi Fujioka
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE60044834D1 publication Critical patent/DE60044834D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
    • 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
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/3013—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems
    • 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
    • H04L9/3218—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 proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/42—Anonymization, e.g. involving pseudonyms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
DE60044834T 1999-05-19 2000-05-19 Prüfbarer anonymer Kanal Expired - Lifetime DE60044834D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13910299 1999-05-19
JP33138799 1999-11-22

Publications (1)

Publication Number Publication Date
DE60044834D1 true DE60044834D1 (de) 2010-09-30

Family

ID=26472009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60044834T Expired - Lifetime DE60044834D1 (de) 1999-05-19 2000-05-19 Prüfbarer anonymer Kanal

Country Status (3)

Country Link
US (1) US6937728B1 (de)
EP (1) EP1054527B1 (de)
DE (1) DE60044834D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6937728B1 (en) * 1999-05-19 2005-08-30 Nippon Telegraph And Telephone Corporation Verifiable anonymous channel
JP3788246B2 (ja) 2001-02-13 2006-06-21 日本電気株式会社 匿名復号システム及び匿名復号方法
AU2008200824B2 (en) * 2001-02-13 2010-06-03 Nec Corporation An anonymous decryption system, an anonymous decryption method, and program
JP3901471B2 (ja) * 2001-05-18 2007-04-04 日本電気株式会社 証明付シャッフル復号システムと証明付シャッフル復号方法、シャッフル復号検証方法
US7840806B2 (en) * 2002-10-16 2010-11-23 Enterprise Information Management, Inc. System and method of non-centralized zero knowledge authentication for a computer network
US8239917B2 (en) * 2002-10-16 2012-08-07 Enterprise Information Management, Inc. Systems and methods for enterprise security with collaborative peer to peer architecture
US8520851B2 (en) * 2004-04-30 2013-08-27 Blackberry Limited Wireless communication device with securely added randomness and related method
GR1006446B (el) * 2008-06-03 2009-06-16 Κρυπτογραφικη μεθοδος μεσω δυναμικης συνδεσης
JP5285778B2 (ja) * 2009-08-03 2013-09-11 日本電信電話株式会社 関数暗号応用システム及び方法
US8925075B2 (en) 2011-11-07 2014-12-30 Parallels IP Holdings GmbH Method for protecting data used in cloud computing with homomorphic encryption
US10277564B2 (en) * 2016-05-04 2019-04-30 Nxp Usa, Inc. Light-weight key update mechanism with blacklisting based on secret sharing algorithm in wireless sensor networks
US11496285B2 (en) 2016-09-08 2022-11-08 International Business Machines Corporation Cryptographic side channel resistance using permutation networks
PL234436B1 (pl) * 2018-04-23 2020-02-28 Adips Spolka Z Ograniczona Odpowiedzialnoscia Szyfrator i deszyfrator dla systemu kryptograficznego RSA odporny na wstrzykiwanie błędów
US10790961B2 (en) 2019-07-31 2020-09-29 Alibaba Group Holding Limited Ciphertext preprocessing and acquisition
CN110391895B (zh) * 2019-07-31 2020-10-27 创新先进技术有限公司 数据预处理方法、密文数据获取方法、装置和电子设备
CN113434474B (zh) * 2021-06-30 2024-05-10 平安科技（深圳）有限公司 基于联邦学习的流量审计方法、设备、存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682430A (en) * 1995-01-23 1997-10-28 Nec Research Institute, Inc. Secure anonymous message transfer and voting scheme
US6049613A (en) * 1997-03-07 2000-04-11 Jakobsson; Markus Method and apparatus for encrypting, decrypting, and providing privacy for data values
JPH10301491A (ja) * 1997-04-28 1998-11-13 Ibm Japan Ltd 暗号通信方法とシステム
US6937728B1 (en) * 1999-05-19 2005-08-30 Nippon Telegraph And Telephone Corporation Verifiable anonymous channel

Also Published As

Publication number Publication date
EP1054527A2 (de) 2000-11-22
EP1054527A3 (de) 2002-06-26
EP1054527B1 (de) 2010-08-18
US6937728B1 (en) 2005-08-30

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