ATE465571T1 - Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken - Google Patents

Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken

Info

Publication number
ATE465571T1
ATE465571T1 AT02794941T AT02794941T ATE465571T1 AT E465571 T1 ATE465571 T1 AT E465571T1 AT 02794941 T AT02794941 T AT 02794941T AT 02794941 T AT02794941 T AT 02794941T AT E465571 T1 ATE465571 T1 AT E465571T1
Authority
AT
Austria
Prior art keywords
receiver
key
sender
message
identity
Prior art date
Application number
AT02794941T
Other languages
German (de)
English (en)
Inventor
Dan Boneh
Matthew Franklin
Original Assignee
Univ Leland Stanford Junior
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 Univ Leland Stanford Junior filed Critical Univ Leland Stanford Junior
Application granted granted Critical
Publication of ATE465571T1 publication Critical patent/ATE465571T1/de

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
    • H04L9/0838—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
    • H04L9/0847—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 identity based encryption [IBE] 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
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
    • 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
    • H04L2209/04—Masking or blinding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Collating Specific Patterns (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Detergent Compositions (AREA)
  • Facsimile Transmission Control (AREA)
AT02794941T 2001-08-13 2002-08-13 Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken ATE465571T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31194601P 2001-08-13 2001-08-13
PCT/US2002/027155 WO2003017559A2 (en) 2001-08-13 2002-08-13 Systems and methods for identity-based encryption and related cryptographic techniques

Publications (1)

Publication Number Publication Date
ATE465571T1 true ATE465571T1 (de) 2010-05-15

Family

ID=23209176

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02794941T ATE465571T1 (de) 2001-08-13 2002-08-13 Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken

Country Status (7)

Country Link
US (4) US7113594B2 (enExample)
EP (3) EP2429116B1 (enExample)
JP (4) JP2005500740A (enExample)
AT (1) ATE465571T1 (enExample)
AU (1) AU2002332671A1 (enExample)
DE (1) DE60236094D1 (enExample)
WO (1) WO2003017559A2 (enExample)

Families Citing this family (427)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114157A1 (de) * 2001-03-22 2002-09-26 Deutsche Telekom Ag Verfahren zur rechnergestützten Erzeugung von öffentlichen Schlüsseln zur Verschlüsselung von Nachrichten und Vorrichtung zur Durchführung des Verfahrens
WO2003017559A2 (en) * 2001-08-13 2003-02-27 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques
JP3901484B2 (ja) * 2001-10-05 2007-04-04 株式会社ジェイテクト 電動パワーステアリング装置
GB0124681D0 (en) * 2001-10-15 2001-12-05 Hewlett Packard Co Method and apparatus for encrypting data
US10360545B2 (en) 2001-12-12 2019-07-23 Guardian Data Storage, Llc Method and apparatus for accessing secured electronic data off-line
US8006280B1 (en) 2001-12-12 2011-08-23 Hildebrand Hal S Security system for generating keys from access rules in a decentralized manner and methods therefor
US7921288B1 (en) 2001-12-12 2011-04-05 Hildebrand Hal S System and method for providing different levels of key security for controlling access to secured items
US7380120B1 (en) 2001-12-12 2008-05-27 Guardian Data Storage, Llc Secured data format for access control
US7260555B2 (en) 2001-12-12 2007-08-21 Guardian Data Storage, Llc Method and architecture for providing pervasive security to digital assets
US10033700B2 (en) 2001-12-12 2018-07-24 Intellectual Ventures I Llc Dynamic evaluation of access rights
US7921284B1 (en) 2001-12-12 2011-04-05 Gary Mark Kinghorn Method and system for protecting electronic data in enterprise environment
US7565683B1 (en) 2001-12-12 2009-07-21 Weiqing Huang Method and system for implementing changes to security policies in a distributed security system
US7930756B1 (en) 2001-12-12 2011-04-19 Crocker Steven Toye Multi-level cryptographic transformations for securing digital assets
US7178033B1 (en) 2001-12-12 2007-02-13 Pss Systems, Inc. Method and apparatus for securing digital assets
US8065713B1 (en) 2001-12-12 2011-11-22 Klimenty Vainstein System and method for providing multi-location access management to secured items
US7921450B1 (en) * 2001-12-12 2011-04-05 Klimenty Vainstein Security system using indirect key generation from access rules and methods therefor
US7950066B1 (en) 2001-12-21 2011-05-24 Guardian Data Storage, Llc Method and system for restricting use of a clipboard application
US8176334B2 (en) 2002-09-30 2012-05-08 Guardian Data Storage, Llc Document security system that permits external users to gain access to secured files
US7349538B2 (en) * 2002-03-21 2008-03-25 Ntt Docomo Inc. Hierarchical identity-based encryption and signature schemes
CN101483523A (zh) * 2002-04-15 2009-07-15 株式会社Ntt都科摩 利用双线性映射的签名方案
GB0208858D0 (en) * 2002-04-18 2002-05-29 Hewlett Packard Co Method and apparatus for encrypting/decrypting data
GB2390703A (en) * 2002-07-02 2004-01-14 Ascent Group Ltd Storage and authentication of data transactions
US20050089173A1 (en) * 2002-07-05 2005-04-28 Harrison Keith A. Trusted authority for identifier-based cryptography
GB0215590D0 (en) * 2002-07-05 2002-08-14 Hewlett Packard Co Method and apparatus for generating a cryptographic key
GB2401763B (en) * 2002-07-05 2005-08-10 Hewlett Packard Development Co Trusted authority for identifer-based cryptography
GB0215524D0 (en) * 2002-07-05 2002-08-14 Hewlett Packard Co Method and apparatus for generating a cryptographic key
SG145524A1 (en) * 2002-08-07 2008-09-29 Mobilastic Technologies Pte Lt Secure transfer of digital tokens
US20040044734A1 (en) * 2002-08-27 2004-03-04 Mark Beck Enhanced services electronic mail
EP1540875A4 (en) * 2002-08-28 2011-01-26 Ntt Docomo Inc INFRASTRUCTURE WITH CERTIFICATE-BASED DISTRIBUTION AND PUBLIC LOCK
KR100489327B1 (ko) * 2002-09-18 2005-05-12 학교법인 한국정보통신학원 겹선형 디피-헬만 문제에 기반한 네트워크 환경에서의개인 식별 방법
US7486795B2 (en) * 2002-09-20 2009-02-03 University Of Maryland Method and apparatus for key management in distributed sensor networks
US7412059B1 (en) 2002-11-27 2008-08-12 Voltage Security, Inc. Public-key encryption system
KR20030008183A (ko) * 2002-12-24 2003-01-24 학교법인 한국정보통신학원 겹선형쌍을 이용한 개인식별정보 기반의 원형서명 방법
KR20030008182A (ko) * 2002-12-24 2003-01-24 학교법인 한국정보통신학원 겹선형쌍을 이용한 개인식별정보 기반의 은닉서명 방법
WO2004064312A1 (en) * 2003-01-07 2004-07-29 Qualcomm Incorporated System, apparatus and method for replacing a cryptographic key
US7003117B2 (en) * 2003-02-05 2006-02-21 Voltage Security, Inc. Identity-based encryption system for secure data distribution
US8108678B1 (en) * 2003-02-10 2012-01-31 Voltage Security, Inc. Identity-based signcryption system
US7480384B2 (en) * 2003-02-10 2009-01-20 International Business Machines Corporation Method for distributing and authenticating public keys using random numbers and Diffie-Hellman public keys
US7783044B2 (en) * 2003-02-20 2010-08-24 Proofpoint, Inc. System for on-line and off-line decryption
GB2398713B (en) * 2003-02-22 2005-11-30 Hewlett Packard Development Co Limiting service provision to group members
US7571321B2 (en) * 2003-03-14 2009-08-04 Voltage Security, Inc. Identity-based-encryption messaging system
KR100507809B1 (ko) * 2003-03-19 2005-08-17 학교법인 한국정보통신학원 네트워크상에서의 겹선형쌍 디피-헬만 문제를 이용한 익명핑거프린팅 방법
US7921292B1 (en) 2003-04-04 2011-04-05 Voltage Security, Inc. Secure messaging systems
GB2400699B (en) * 2003-04-17 2006-07-05 Hewlett Packard Development Co Security data provision method and apparatus and data recovery method and system
WO2004095770A1 (en) * 2003-04-23 2004-11-04 Hewlett-Packard Development Company, L.P. Biometric based identity based encryption method and apparatus
GB0309182D0 (en) * 2003-04-23 2003-05-28 Hewlett Packard Development Co Security method and apparatus using biometric data
EP1471680B1 (en) * 2003-04-23 2006-06-21 Hewlett-Packard Development Company, L.P. Identifier-Based Encryption method and apparatus
US20050021973A1 (en) * 2003-04-23 2005-01-27 Liqun Chen Cryptographic method and apparatus
GB0309161D0 (en) * 2003-04-23 2003-05-28 Hewlett Packard Development Co Cryptographic method and apparatus
GB2401006A (en) * 2003-04-23 2004-10-27 Hewlett Packard Development Co Cryptographic method and apparatus
GB2401012B (en) * 2003-04-23 2005-07-06 Hewlett Packard Development Co Cryptographic method and apparatus
AU2004201807A1 (en) * 2003-05-09 2004-11-25 Nor Azman Bin Abu Method and apparatus for the generation of public key based on a user-defined ID in a cryptosystem
US8707034B1 (en) 2003-05-30 2014-04-22 Intellectual Ventures I Llc Method and system for using remote headers to secure electronic files
GB0313663D0 (en) * 2003-06-13 2003-07-16 Hewlett Packard Development Co Mediated rsa cryptographic method and system
GB0313666D0 (en) 2003-06-13 2003-07-16 Hewlett Packard Development Co RSA cryptographic method and system
US7017181B2 (en) * 2003-06-25 2006-03-21 Voltage Security, Inc. Identity-based-encryption messaging system with public parameter host servers
US7580521B1 (en) * 2003-06-25 2009-08-25 Voltage Security, Inc. Identity-based-encryption system with hidden public key attributes
DE10330089B4 (de) * 2003-07-03 2014-02-27 Bt Ignite Gmbh & Co. Verfahren und Vorrichtung zum Übermitteln von Entschlüsselungscodes für frei übertragene, verschlüsselte Programminhalte an eindeutig identifizierbare Empfänger
KR20030062401A (ko) * 2003-07-04 2003-07-25 학교법인 한국정보통신학원 겹선형쌍을 이용한 개인식별정보 기반의 은닉서명 장치 및방법
US7769167B2 (en) * 2003-07-25 2010-08-03 Microsoft Corporation Weil and Tate pairing techniques using parabolas
US7298839B2 (en) * 2003-07-25 2007-11-20 Microsoft Corporation Squared Weil and Tate pairing techniques for use with elliptic curves
US7440569B2 (en) * 2003-07-28 2008-10-21 Microsoft Corporation Tate pairing techniques for use with hyperelliptic curves
US7266847B2 (en) 2003-09-25 2007-09-04 Voltage Security, Inc. Secure message system with remote decryption service
EP1519530A1 (en) * 2003-09-29 2005-03-30 STMicroelectronics S.r.l. Method for establishing an encrypted communication by means of keys
US7703140B2 (en) 2003-09-30 2010-04-20 Guardian Data Storage, Llc Method and system for securing digital assets using process-driven security policies
US8127366B2 (en) 2003-09-30 2012-02-28 Guardian Data Storage, Llc Method and apparatus for transitioning between states of security policies used to secure electronic documents
US7979911B2 (en) * 2003-10-08 2011-07-12 Microsoft Corporation First computer process and second computer process proxy-executing code from third computer process on behalf of first process
US8103592B2 (en) * 2003-10-08 2012-01-24 Microsoft Corporation First computer process and second computer process proxy-executing code on behalf of first process
US7788496B2 (en) * 2003-10-08 2010-08-31 Microsoft Corporation First computer process and second computer process proxy-executing code on behalf thereof
US7596704B2 (en) * 2003-10-10 2009-09-29 Jing-Jang Hwang Partition and recovery of a verifiable digital secret
US7487537B2 (en) * 2003-10-14 2009-02-03 International Business Machines Corporation Method and apparatus for pervasive authentication domains
US7103911B2 (en) 2003-10-17 2006-09-05 Voltage Security, Inc. Identity-based-encryption system with district policy information
JP4741503B2 (ja) * 2003-10-28 2011-08-03 サーティコム コーポレーション 公開鍵を検証可能に生成する方法及び装置
GB0325527D0 (en) * 2003-11-01 2003-12-03 Hewlett Packard Development Co Identifier-based signcryption
US20050135610A1 (en) * 2003-11-01 2005-06-23 Liqun Chen Identifier-based signcryption
US7499544B2 (en) 2003-11-03 2009-03-03 Microsoft Corporation Use of isogenies for design of cryptosystems
US7523314B2 (en) 2003-12-22 2009-04-21 Voltage Security, Inc. Identity-based-encryption message management system
US20050187863A1 (en) * 2004-02-20 2005-08-25 Whinery Christopher S. Method and system for protecting real estate from fraudulent transactions
ATE484899T1 (de) * 2004-03-30 2010-10-15 Univ Dublin City Verifikation von auf identität basierenden signaturen
US8050409B2 (en) * 2004-04-02 2011-11-01 University Of Cincinnati Threshold and identity-based key management and authentication for wireless ad hoc networks
US7646872B2 (en) 2004-04-02 2010-01-12 Research In Motion Limited Systems and methods to securely generate shared keys
US7590236B1 (en) * 2004-06-04 2009-09-15 Voltage Security, Inc. Identity-based-encryption system
GB2415112B (en) 2004-06-11 2007-04-25 Hewlett Packard Development Co Cryptographic method and apparatus
KR100657265B1 (ko) 2004-06-23 2006-12-14 삼성전자주식회사 자기 규제 방법 및 이를 이용한 콘텐츠 송수신 방법
GB2415579B (en) 2004-06-23 2006-12-20 Hewlett Packard Development Co Cryptographic method and apparatus
US20060013397A1 (en) * 2004-07-13 2006-01-19 International Business Machines Corporation Channel adapter managed trusted queue pairs
GB2416282B (en) 2004-07-15 2007-05-16 Hewlett Packard Development Co Identifier-based signcryption with two trusted authorities
US7920050B2 (en) * 2004-07-29 2011-04-05 Emc Corporation Proxy device for enhanced privacy in an RFID system
EP1621956B1 (en) * 2004-07-30 2017-05-31 Irdeto B.V. Method of providing rights data objects
CA2781070C (en) 2004-08-12 2015-06-23 Cmla, Llc. Enhancing data security using permutation data transform
US7577250B2 (en) * 2004-08-12 2009-08-18 Cmla, Llc Key derivation functions to enhance security
US8077861B2 (en) 2004-08-12 2011-12-13 Cmla, Llc Permutation data transform to enhance security
US7564970B2 (en) * 2004-08-12 2009-07-21 Cmla, Llc Exponential data transform to enhance security
US7742596B2 (en) * 2004-08-24 2010-06-22 General Dynamics C4 Systems, Inc. Reliable elliptic curve cryptography computation
WO2006034428A2 (en) * 2004-09-20 2006-03-30 Pgp Corporation Apparatus and method for identity-based encryption within a conventional public-key infrastructure
JP4752313B2 (ja) * 2004-09-30 2011-08-17 ソニー株式会社 暗号処理演算方法、および暗号処理装置、並びにコンピュータ・プログラム
US20060078790A1 (en) * 2004-10-05 2006-04-13 Polyplus Battery Company Solid electrolytes based on lithium hafnium phosphate for active metal anode protection
KR100601706B1 (ko) * 2004-10-15 2006-07-18 삼성전자주식회사 Ｄｒｍ 시스템에 있어서 시스템 키를 공유하고 생성하는방법 및 장치
US7418100B2 (en) * 2004-10-20 2008-08-26 Cisco Technology, Inc. Enciphering method
GB2419787B (en) * 2004-10-28 2007-07-04 Hewlett Packard Development Co Method and apparatus for providing short-term private keys in public-key cryptographic systems
US7660987B2 (en) * 2004-10-29 2010-02-09 Baylis Stephen W Method of establishing a secure e-mail transmission link
US7370202B2 (en) * 2004-11-02 2008-05-06 Voltage Security, Inc. Security device for cryptographic communications
FR2877453A1 (fr) * 2004-11-04 2006-05-05 France Telecom Procede de delegation securisee de calcul d'une application bilineaire
JP4842276B2 (ja) * 2004-11-11 2011-12-21 サーティコム コーポレーション 楕円曲線上の新しいトラップドア１方向性関数と、その、より短い署名及び非対称暗号化への応用
WO2006051517A1 (en) * 2004-11-12 2006-05-18 Dublin City University Identity based encryption
JP4546231B2 (ja) * 2004-12-09 2010-09-15 株式会社日立製作所 Ｉｄベース署名及び暗号化システムおよび方法
GB2421097B (en) * 2004-12-10 2009-07-01 Hewlett Packard Development Co Methods, devices and computer programs for creating ciphertext, plaintext and a cryptographic key
US7639799B2 (en) * 2004-12-14 2009-12-29 Microsoft Corporation Cryptographically processing data based on a Cassels-Tate pairing
EP1675299B1 (en) * 2004-12-23 2018-08-01 Hewlett-Packard Development Company, L.P. Authentication method using bilinear mappings
JP4528114B2 (ja) * 2004-12-28 2010-08-18 日本電信電話株式会社 鍵生成装置、暗号化装置、検査装置、復号化装置並びに鍵生成プログラム、暗号化プログラム、検査プログラム、復号化プログラム
US8099598B1 (en) * 2005-01-03 2012-01-17 Gary Gang Liu Secure messaging system with automatic recipient enrollment
US7869593B2 (en) * 2005-01-07 2011-01-11 First Data Corporation Software for providing based on shared knowledge public keys having same private key
CN1262087C (zh) * 2005-01-14 2006-06-28 南相浩 基于标识的密钥产生方法
US20060159269A1 (en) * 2005-01-20 2006-07-20 Matsushita Electric Industrial Co., Ltd. Cryptographic system for resource starved CE device secure upgrade and re-configuration
JP5147412B2 (ja) 2005-01-21 2013-02-20 サーティコム コーポレーション 楕円曲線乱数生成
US7860802B2 (en) * 2005-02-01 2010-12-28 Microsoft Corporation Flexible licensing architecture in content rights management systems
US7594261B2 (en) * 2005-02-08 2009-09-22 Microsoft Corporation Cryptographic applications of the Cartier pairing
JP2008532389A (ja) * 2005-02-25 2008-08-14 クゥアルコム・インコーポレイテッド 認証のための小型の公開鍵を用いたデジタル署名
US7739500B2 (en) * 2005-03-07 2010-06-15 Microsoft Corporation Method and system for consistent recognition of ongoing digital relationships
US7822200B2 (en) * 2005-03-07 2010-10-26 Microsoft Corporation Method and system for asymmetric key security
US7702098B2 (en) * 2005-03-15 2010-04-20 Microsoft Corporation Elliptic curve point octupling for weighted projective coordinates
US7680268B2 (en) 2005-03-15 2010-03-16 Microsoft Corporation Elliptic curve point octupling using single instruction multiple data processing
US7657456B2 (en) * 2005-03-18 2010-02-02 Pitney Bowes Inc. Method and system for electronic voting using identity based encryption
US7634085B1 (en) * 2005-03-25 2009-12-15 Voltage Security, Inc. Identity-based-encryption system with partial attribute matching
US8285996B2 (en) 2005-03-30 2012-10-09 Dublin City University Verification of identity based signatures
US20060238302A1 (en) * 2005-04-21 2006-10-26 Sean Loving System and method for configuring an RFID reader
US20070046467A1 (en) * 2005-08-31 2007-03-01 Sayan Chakraborty System and method for RFID reader to reader communication
US20060253415A1 (en) * 2005-04-21 2006-11-09 Sayan Chakraborty Data-defined communication device
US7659819B2 (en) 2005-04-21 2010-02-09 Skyetek, Inc. RFID reader operating system and associated architecture
US20060238305A1 (en) * 2005-04-21 2006-10-26 Sean Loving Configurable RFID reader
US20060238304A1 (en) * 2005-04-21 2006-10-26 Sean Loving System and method for adapting an FRID tag reader to its environment
US7570164B2 (en) * 2005-12-30 2009-08-04 Skyetek, Inc. System and method for implementing virtual RFID tags
US20070046431A1 (en) * 2005-08-31 2007-03-01 Skyetek, Inc. System and method for combining RFID tag memory
US20060238303A1 (en) * 2005-04-21 2006-10-26 Sean Loving Adaptable RFID reader
US8091142B2 (en) * 2005-04-26 2012-01-03 Microsoft Corporation Supplementary trust model for software licensing/commercial digital distribution policy
KR100635280B1 (ko) * 2005-04-27 2006-10-19 삼성전자주식회사 전자 서명을 이용한 보안 방법
JP4646691B2 (ja) * 2005-05-10 2011-03-09 株式会社エヌ・ティ・ティ・データ 暗号化通信システム、秘密鍵発行装置、および、プログラム
US7720221B2 (en) * 2005-05-20 2010-05-18 Certicom Corp. Privacy-enhanced e-passport authentication protocol
JP4723909B2 (ja) * 2005-05-27 2011-07-13 株式会社日立製作所 データ交換方法、データ交換管理装置およびデータ交換管理プログラム
US7649999B2 (en) * 2005-06-08 2010-01-19 Iris Anshel Method and apparatus for establishing a key agreement protocol
US8356175B2 (en) * 2005-06-29 2013-01-15 Intel Corporation Methods and apparatus to perform associated security protocol extensions
US8477940B2 (en) * 2005-07-15 2013-07-02 Tyfone, Inc. Symmetric cryptography with user authentication
US8189788B2 (en) * 2005-07-15 2012-05-29 Tyfone, Inc. Hybrid symmetric/asymmetric cryptography with user authentication
US7627760B2 (en) * 2005-07-21 2009-12-01 Microsoft Corporation Extended authenticated key exchange
JP2007036364A (ja) * 2005-07-22 2007-02-08 Nec Corp タイム装置、暗号化装置、復号化装置、暗号化／復号化システム
US7694141B2 (en) 2005-07-26 2010-04-06 Microsoft Corporation Extended authenticated key exchange with key confirmation
US8190895B2 (en) * 2005-08-18 2012-05-29 Microsoft Corporation Authenticated key exchange with derived ephemeral keys
US7908482B2 (en) * 2005-08-18 2011-03-15 Microsoft Corporation Key confirmed authenticated key exchange with derived ephemeral keys
US20070206786A1 (en) * 2005-08-31 2007-09-06 Skyetek, Inc. Rfid security system
FR2890201A1 (fr) * 2005-08-31 2007-03-02 Proton World Internatinal Nv Protection d'un contenu numerique sur un support physique
FR2892251A1 (fr) * 2005-10-14 2007-04-20 Gemplus Sa Procede cryptographique mettant en oeuvre un systeme de chiffrement base sur l'identite
US20070104323A1 (en) * 2005-11-04 2007-05-10 Pitney Bowes Incorporated Method and system for providing privacy to sender of a mail piece
JP4962317B2 (ja) * 2005-12-01 2012-06-27 日本電気株式会社 電子入札システムおよび電子入札方法
US9165411B2 (en) * 2005-12-16 2015-10-20 Pitney Bowes Inc. Method and system for embedding mailer specified mailing instructions on a mail piece to automate mail processing
US20070206797A1 (en) * 2006-03-01 2007-09-06 Skyetek, Inc. Seamless rfid tag security system
US20080022160A1 (en) * 2005-12-30 2008-01-24 Skyetek, Inc. Malware scanner for rfid tags
EP1993086B1 (en) 2006-01-11 2012-09-05 Mitsubishi Electric Corporation Elliptical curve encryption parameter generation device, elliptical curve encryption calculation device, elliptical curve encryption parameter generation program, and elliptical curve encryption calculation program
US8180047B2 (en) * 2006-01-13 2012-05-15 Microsoft Corporation Trapdoor pairings
US8094810B2 (en) * 2006-02-03 2012-01-10 Massachusetts Institute Of Technology Unidirectional proxy re-encryption
US9137012B2 (en) * 2006-02-03 2015-09-15 Emc Corporation Wireless authentication methods and apparatus
GB2436910B (en) * 2006-04-03 2011-02-16 Identum Ltd Electronic Data Communication System
US8311214B2 (en) * 2006-04-24 2012-11-13 Motorola Mobility Llc Method for elliptic curve public key cryptographic validation
US9002018B2 (en) * 2006-05-09 2015-04-07 Sync Up Technologies Corporation Encryption key exchange system and method
US7434726B2 (en) * 2006-05-15 2008-10-14 Pitney Bowes Inc. Method and system for postdating of financial transactions
FR2901940B1 (fr) * 2006-05-31 2012-12-14 Oberthur Card Syst Sa Procede de generation d'une cle privee et procedes de chiffrement et de dechiffrement d'un message
WO2007138204A1 (fr) * 2006-05-31 2007-12-06 France Telecom Procede cryptographique a chiffrement et revocation integres, systeme, dispositif et programmes pour la mise en oeuvre du procede
US9769158B2 (en) * 2006-06-07 2017-09-19 Red Hat, Inc. Guided enrollment and login for token users
JP4868131B2 (ja) * 2006-06-15 2012-02-01 ネッツエスアイ東洋株式会社 電子割符照合システム
JP4556917B2 (ja) * 2006-06-22 2010-10-06 日本電気株式会社 判定システム、判定方法、判定装置およびプログラム
US8670564B1 (en) 2006-08-14 2014-03-11 Key Holdings, LLC Data encryption system and method
EP1890493A1 (fr) * 2006-08-17 2008-02-20 Nagracard S.A. Méthode de révocation de modules de sécurité utilisés pour sécuriser des messages diffusés
US20080170701A1 (en) * 2006-08-22 2008-07-17 Ntt Data Corporation Delegation system for decryption rights
US20080065729A1 (en) * 2006-09-08 2008-03-13 Pitney Bowes Incorporated Method and system for service provider to be compensated for delivering e-mail messages while reducing amount of unsolicited e-mail messages
US7885406B2 (en) * 2006-10-10 2011-02-08 Microsoft Corporation Computing endomorphism rings of Abelian surfaces over finite fields
US8271788B2 (en) * 2006-10-17 2012-09-18 Trend Micro Incorporated Software registration system
US20080137859A1 (en) * 2006-12-06 2008-06-12 Ramanathan Jagadeesan Public key passing
JP2008152737A (ja) * 2006-12-20 2008-07-03 Nippon Telegr & Teleph Corp <Ntt> サービス提供サーバ、認証サーバ、および認証システム
CN101617351B (zh) * 2007-01-19 2011-06-22 三菱电机株式会社 密文生成装置、密码通信系统以及群参数生成装置
GB0705494D0 (en) * 2007-03-22 2007-05-02 Ibm A method and system for a subscription to a symmetric key
US20080290995A1 (en) * 2007-03-30 2008-11-27 Skyetek, Inc. System and method for optimizing communication between an rfid reader and an rfid tag
US7859411B2 (en) 2007-03-30 2010-12-28 Skyetek, Inc. RFID tagged item trajectory and location estimation system and method
US20080297326A1 (en) * 2007-03-30 2008-12-04 Skyetek, Inc. Low Cost RFID Tag Security And Privacy System And Method
US8669845B1 (en) 2007-03-30 2014-03-11 Vail Resorts, Inc. RFID skier monitoring systems and methods
CN101647228B (zh) * 2007-04-05 2012-08-29 国际商业机器公司 用于证书分发的系统和方法
US8705744B2 (en) * 2007-04-05 2014-04-22 Koninklijke Philips N.V. Wireless sensor network key distribution
JP2008301391A (ja) * 2007-06-04 2008-12-11 Murata Mach Ltd 放送用暗号システムと暗号通信方法、復号器及び復号プログラム
US8676715B2 (en) * 2007-06-06 2014-03-18 Pitney Bowes Inc. System and method for authenticating indicia using identity-based signature scheme
US9847977B2 (en) * 2007-06-29 2017-12-19 Microsoft Technology Licensing, Llc Confidential mail with tracking and authentication
US8631419B2 (en) * 2007-06-29 2014-01-14 Microsoft Corporation System and methods for disruption detection, management, and recovery
DE102007033845A1 (de) 2007-07-18 2009-01-22 Bernd Prof. Dr. Freisleben Verfahren und Vorrichtung für eine verschlüsselte digitale Sprachkommunikation
DE102007033847A1 (de) 2007-07-18 2009-01-22 Bernd Prof. Dr. Freisleben Verfahren und Vorrichtung zur kryptographischen Schlüsseleinigung für eine sichere digitale Kommunikation in Netzwerken
DE102007033848A1 (de) 2007-07-18 2009-01-22 Freisleben, Bernd, Prof. Dr. Verfahren und Vorrichtung zur Erzeugung von kryptographischen Schlüsseln zur Durchführung einer Schlüsseleinigung für eine sichere digitale Kommunikation in einem IP-Netzwerk
DE102007033846A1 (de) 2007-07-18 2009-01-22 Freisleben, Bernd, Prof. Dr. Verfahren und Vorrichtung zur Erzeugung von kryptographischen Schlüsseln zur Durchführung einer Schlüsseleinigung für eine sichere digitale Kommunikation
US20090030778A1 (en) * 2007-07-23 2009-01-29 Motivepath, Inc. System, method and apparatus for secure multiparty location based services
KR101490687B1 (ko) 2007-08-20 2015-02-06 삼성전자주식회사 홈 네트워크에서 디바이스들이 비밀 정보를 공유하는 방법및 이를 위한 장치
US7890763B1 (en) * 2007-09-14 2011-02-15 The United States Of America As Represented By The Director, National Security Agency Method of identifying invalid digital signatures involving batch verification
US8700894B2 (en) * 2007-10-17 2014-04-15 Pitney Bowes Inc. Method and system for securing routing information of a communication using identity-based encryption scheme
CA2703719C (en) * 2007-10-26 2014-07-08 Telcordia Technologies, Inc. Method and system for secure session establishment using identity-based encryption (vdtls)
JP5286748B2 (ja) * 2007-11-09 2013-09-11 ソニー株式会社 情報処理装置、鍵設定方法、及びプログラム
CN101179380A (zh) * 2007-11-19 2008-05-14 上海交通大学 一种双向认证方法、系统及网络终端
JP4907502B2 (ja) * 2007-11-20 2012-03-28 日本電信電話株式会社 行動証明書発行方法、行動証明書発行装置、行動証明書発行プログラムおよび行動証明書発行・検証システム
KR20090052199A (ko) * 2007-11-20 2009-05-25 삼성전자주식회사 저장 장치, 상기 저장 장치를 이용하는 단말장치와 그 방법
JP5365072B2 (ja) * 2007-12-11 2013-12-11 ソニー株式会社 鍵生成装置、暗号化装置、受信装置、鍵生成方法、暗号化方法、鍵処理方法およびプログラム
US20090153290A1 (en) * 2007-12-14 2009-06-18 Farpointe Data, Inc., A California Corporation Secure interface for access control systems
JP2011507414A (ja) * 2007-12-21 2011-03-03 コクーン データ ホールディングス リミテッド データの安全を保護するためのシステムおよび方法
CN101521569B (zh) * 2008-02-28 2013-04-24 华为技术有限公司 实现服务访问的方法、设备及系统
KR101484110B1 (ko) * 2008-02-29 2015-01-28 삼성전자주식회사 메모리 컨트롤러 및 그에 따른 메모리 장치
US8090108B2 (en) * 2008-04-15 2012-01-03 Adaptive Chips, Inc. Secure debug interface and memory of a media security circuit and method
US8045708B2 (en) * 2008-05-21 2011-10-25 Apple Inc. Discrete key generation method and apparatus
EP2283451A1 (en) * 2008-05-23 2011-02-16 Koninklijke Philips Electronics N.V. Identity-based encryption of data items for secure access thereto
US8259949B2 (en) * 2008-05-27 2012-09-04 Intel Corporation Methods and apparatus for protecting digital content
JP5118556B2 (ja) * 2008-06-04 2013-01-16 日本電信電話株式会社 鍵配送方法、鍵配送システム、クライアント装置、鍵サーバ装置、それらのプログラム
JP5027742B2 (ja) * 2008-06-19 2012-09-19 日本電信電話株式会社 秘密情報送信システム、秘密情報送信方法、秘密情報管理サーバ、暗号装置、秘密情報送信プログラム
US8656177B2 (en) * 2008-06-23 2014-02-18 Voltage Security, Inc. Identity-based-encryption system
US8761390B2 (en) * 2008-06-30 2014-06-24 Gm Global Technology Operations Production of cryptographic keys for an embedded processing device
US8737614B1 (en) * 2008-07-07 2014-05-27 Voltage Security, Inc. Document imaging system with identity-based encryption
CN101350060B (zh) * 2008-07-23 2011-06-01 西安西电捷通无线网络通信股份有限公司 一种适合电子标签的数据安全存取方法
US8108777B2 (en) 2008-08-11 2012-01-31 Microsoft Corporation Sections of a presentation having user-definable properties
US8358783B2 (en) 2008-08-11 2013-01-22 Assa Abloy Ab Secure wiegand communications
ES2485501T3 (es) * 2008-08-14 2014-08-13 Assa Abloy Ab Lector de RFID con heurísticas de detección de ataques incorporadas
US7995764B2 (en) * 2008-08-28 2011-08-09 Red Hat, Inc. Sharing a secret using hyperplanes over GF(2m)
US7995765B2 (en) * 2008-08-28 2011-08-09 Red Hat, Inc. Sharing a secret using hyperplanes over GF(q)
US8520854B2 (en) * 2008-08-28 2013-08-27 Red Hat, Inc. Sharing a secret using polynomials over polynomials
US8675877B2 (en) * 2008-08-29 2014-03-18 Red Hat, Inc. Sharing a secret via linear interpolation
US8559637B2 (en) * 2008-09-10 2013-10-15 Verizon Patent And Licensing Inc. Securing information exchanged via a network
JP5491015B2 (ja) * 2008-09-25 2014-05-14 Ｋｄｄｉ株式会社 無線通信チャネルの設定のための仲介装置及びプログラム
CN102187618B (zh) 2008-10-14 2013-11-27 皇家飞利浦电子股份有限公司 生成和验证伪名的方法和装置
JP4748206B2 (ja) * 2008-11-11 2011-08-17 ソニー株式会社 情報処理装置、情報処理方法およびプログラム
CN101420303B (zh) * 2008-12-12 2011-02-02 广州杰赛科技股份有限公司 一种语音数据的通信方法及其装置
JP5097102B2 (ja) * 2008-12-25 2012-12-12 日本電信電話株式会社 階層型ｉｄベース暗号化装置及び復号化装置、それらの方法、プログラム及び記録媒体
JP5134555B2 (ja) * 2009-01-07 2013-01-30 日本電信電話株式会社 鍵生成装置、暗号化装置、復号化装置、暗号化システム、鍵生成方法、暗号化方法、復号化方法、プログラム、および記録媒体
JP5268066B2 (ja) * 2009-01-16 2013-08-21 日本電信電話株式会社 変換演算装置、その方法、プログラム及び記録媒体
US8341427B2 (en) * 2009-02-16 2012-12-25 Microsoft Corporation Trusted cloud computing and services framework
US9165154B2 (en) 2009-02-16 2015-10-20 Microsoft Technology Licensing, Llc Trusted cloud computing and services framework
US8510558B2 (en) 2009-02-17 2013-08-13 Alcatel Lucent Identity based authenticated key agreement protocol
EP2222015A1 (en) * 2009-02-19 2010-08-25 Thomson Licensing Method and device for hashing onto points of an elliptic curve
US8837718B2 (en) * 2009-03-27 2014-09-16 Microsoft Corporation User-specified sharing of data via policy and/or inference from a hierarchical cryptographic store
US9704159B2 (en) * 2009-05-15 2017-07-11 Entit Software Llc Purchase transaction system with encrypted transaction information
US8166203B1 (en) * 2009-05-29 2012-04-24 Google Inc. Server selection based upon time and query dependent hashing
EP2438580A2 (en) 2009-06-02 2012-04-11 Voltage Security, Inc. Purchase transaction system with encrypted payment card data
WO2011006282A1 (zh) * 2009-07-17 2011-01-20 上海贝尔股份有限公司 Sme内的drm方法和设备以及提供drm服务的方法
US8850203B2 (en) * 2009-08-28 2014-09-30 Alcatel Lucent Secure key management in multimedia communication system
US8301883B2 (en) * 2009-08-28 2012-10-30 Alcatel Lucent Secure key management in conferencing system
US8510835B1 (en) 2009-09-18 2013-08-13 Trend Micro Incorporated Techniques for protecting data in cloud computing environments
US8826013B1 (en) 2009-09-23 2014-09-02 Trend Micro Incorporated Protection of customer data in cloud virtual machines using a central management server
US8219792B2 (en) * 2009-10-06 2012-07-10 Dell Products L.P. System and method for safe information handling system boot
JP4802274B2 (ja) * 2009-10-30 2011-10-26 インターナショナル・ビジネス・マシーンズ・コーポレーション メッセージ送信および受信方法
US8666812B1 (en) * 2009-11-10 2014-03-04 Google Inc. Distributing content based on transaction information
US8219810B2 (en) * 2009-11-13 2012-07-10 Palo Alto Research Center Incorporated Method and system for facilitating throttling of interpolation-based authentication
JP5325755B2 (ja) * 2009-12-11 2013-10-23 株式会社エヌ・ティ・ティ・データ 暗号文復号権限委譲システム、暗号文復号権限委譲方法、暗号文変換装置、復号権限所持者用装置および暗号文変換プログラム
EP2348447B1 (en) 2009-12-18 2014-07-16 CompuGroup Medical AG A computer implemented method for generating a set of identifiers from a private key, computer implemented method and computing device
EP2348452B1 (en) 2009-12-18 2014-07-02 CompuGroup Medical AG A computer implemented method for sending a message to a recipient user, receiving a message by a recipient user, a computer readable storage medium and a computer system
EP2348450B1 (en) 2009-12-18 2013-11-06 CompuGroup Medical AG Database system, computer system, and computer-readable storage medium for decrypting a data record
CN102713996A (zh) * 2010-01-13 2012-10-03 三菱电机株式会社 隐匿检索系统以及公开参数生成装置以及加密装置以及用户秘密密钥生成装置以及查询发布装置以及检索装置以及计算机程序以及隐匿检索方法以及公开参数生成方法以及加密方法以及用户秘密密钥生成方法以及查询发布方法以及检索方法
CN102713995B (zh) 2010-01-15 2015-06-24 三菱电机株式会社 隐匿检索系统以及密码处理系统
US8488783B2 (en) * 2010-02-19 2013-07-16 Nokia Method and apparatus for applying recipient criteria in identity-based encryption
ES2524075T3 (es) * 2010-03-03 2014-12-04 Nagravision S.A. Método para gestionar revocaciones en un grupo de terminales
EP2365456B1 (en) 2010-03-11 2016-07-20 CompuGroup Medical SE Data structure, method and system for predicting medical conditions
US9025767B2 (en) * 2010-03-24 2015-05-05 Nokia Corporation Method and apparatus for querying content protected by identity-based encryption
US8553878B2 (en) * 2010-04-14 2013-10-08 Apple Inc. Data transformation system using cyclic groups
JP5424974B2 (ja) * 2010-04-27 2014-02-26 三菱電機株式会社 暗号処理システム、鍵生成装置、暗号化装置、復号装置、署名処理システム、署名装置及び検証装置
US9772834B2 (en) * 2010-04-27 2017-09-26 Red Hat, Inc. Exportable encoded identifications of networked machines
US8423764B2 (en) 2010-06-23 2013-04-16 Motorola Solutions, Inc. Method and apparatus for key revocation in an attribute-based encryption scheme
RU2452111C1 (ru) * 2010-11-17 2012-05-27 ЗАО Институт инфокоммуникационных технологий Способ пороговой генерации ключей для системы защиты информации на основе идентификационных данных
US8656484B2 (en) 2010-12-28 2014-02-18 Authernative, Inc. System and method for mutually authenticated cryptographic key exchange using matrices
US8621227B2 (en) 2010-12-28 2013-12-31 Authernative, Inc. System and method for cryptographic key exchange using matrices
JP5612494B2 (ja) * 2011-01-21 2014-10-22 日本電信電話株式会社 関数暗号を用いた時限暗号システム、時限暗号方法、装置、プログラム
US20130042112A1 (en) * 2011-02-12 2013-02-14 CertiVox Ltd. Use of non-interactive identity based key agreement derived secret keys with authenticated encryption
EP2700189B1 (en) * 2011-04-01 2020-01-22 BlackBerry Limited Identity-based decryption
US8661240B2 (en) * 2011-04-29 2014-02-25 International Business Machines Corporation Joint encryption of data
US9544144B2 (en) * 2011-04-29 2017-01-10 International Business Machines Corporation Data encryption
US8644510B2 (en) * 2011-05-11 2014-02-04 Alcatel Lucent Discovery of security associations for key management relying on public keys
US9219714B2 (en) * 2011-05-31 2015-12-22 Samsung Sds Co., Ltd. ID-based encryption and signature method and terminal
US10318932B2 (en) 2011-06-07 2019-06-11 Entit Software Llc Payment card processing system with structure preserving encryption
US8627508B2 (en) 2011-06-17 2014-01-07 Microsoft Corporation Cloud key directory for federating data exchanges
US8891772B2 (en) 2011-06-17 2014-11-18 Microsoft Corporation Cloud key escrow system
WO2013009290A1 (en) * 2011-07-11 2013-01-17 Hewlett-Packard Development Company, Lp Policy based data management
KR101574030B1 (ko) * 2011-07-15 2015-12-02 알까뗄 루슨트 안전한 그룹 메시징
US8619986B2 (en) * 2011-07-21 2013-12-31 Patton Protection Systems LLC Systems and methods for secure communication using a communication encryption bios based upon a message specific identifier
US8892875B1 (en) 2011-07-29 2014-11-18 Trend Micro Incorporated Methods and apparatus for controlling access to encrypted computer files
JP2013042315A (ja) * 2011-08-12 2013-02-28 Sony Corp 情報処理装置、及び情報処理方法
US8948381B2 (en) * 2011-09-09 2015-02-03 Fujitsu Limited Conditional key generation based on expiration date of data
AU2012315674B9 (en) * 2011-09-29 2018-08-30 Amazon Technologies, Inc. Parameter based key derivation
US9203613B2 (en) 2011-09-29 2015-12-01 Amazon Technologies, Inc. Techniques for client constructed sessions
WO2013044284A1 (en) * 2011-09-30 2013-04-04 Abeyweera Ranganath C Method, system and apparatus for a communications client program and an associated transfer server for onymous and secure communications
US9065637B2 (en) * 2012-01-25 2015-06-23 CertiVox Ltd. System and method for securing private keys issued from distributed private key generator (D-PKG) nodes
US9154302B2 (en) 2012-01-25 2015-10-06 CertiVox Ltd. System and method for secure two-factor authenticated ID-based key exchange and remote login using an insecure token and simple second-factor such as a PIN number
US20140372752A1 (en) * 2012-02-03 2014-12-18 David Sallis Method and database system for secure storage and communication of information
US8694771B2 (en) 2012-02-10 2014-04-08 Connect In Private Panama Corp. Method and system for a certificate-less authenticated encryption scheme using identity-based encryption
EP2648170B1 (en) * 2012-04-06 2014-11-26 Kapsch TrafficCom AG A method for detecting a speed violation of a vehicle
KR101329007B1 (ko) * 2012-05-31 2013-11-12 삼성에스디에스 주식회사 아이디 기반 암호 시스템을 위한 비밀키 생성 장치 및 그 방법, 그리고 그 방법을 컴퓨터에서 실행시키기 위한 프로그램을 기록한 기록매체
JP5985894B2 (ja) * 2012-06-06 2016-09-06 株式会社東海理化電機製作所 電子キー登録方法
JP5990406B2 (ja) * 2012-06-06 2016-09-14 株式会社東海理化電機製作所 電子キー登録方法
FR2992509B1 (fr) * 2012-06-21 2017-05-26 Commissariat Energie Atomique Dispositif et procede pour generer une cle de session
US10984415B2 (en) * 2012-06-25 2021-04-20 Li Tan System and methods for using limit-use encrypted code to transfer values securely among users
US10148285B1 (en) 2012-07-25 2018-12-04 Erich Schmitt Abstraction and de-abstraction of a digital data stream
JP6057150B2 (ja) * 2012-07-30 2017-01-11 雅浩 満保 公開鍵暗号システム、受信装置、公開鍵暗号方法、プログラム、及び記録媒体
CN103780385B (zh) * 2012-10-23 2017-02-15 航天信息股份有限公司 基于椭圆曲线的盲签名方法和装置
US10007803B2 (en) * 2012-10-26 2018-06-26 Infosys Limited Searching over encrypted keywords in a database
KR101493212B1 (ko) * 2012-10-31 2015-02-23 삼성에스디에스 주식회사 아이디 기반 암호화, 복호화 방법 및 이를 수행하기 위한 장치
US9230072B1 (en) * 2012-12-17 2016-01-05 Creative Information Technology, Inc. Dynamic identity program templates
US8763085B1 (en) 2012-12-19 2014-06-24 Trend Micro Incorporated Protection of remotely managed virtual machines
US9197422B2 (en) * 2013-01-24 2015-11-24 Raytheon Company System and method for differential encryption
US9020151B1 (en) 2013-03-04 2015-04-28 Trend Micro Incorporated Secure real-time data replication with disk encryption and key management system
GB201309702D0 (en) 2013-05-30 2013-07-17 Certivox Ltd Security
US8971540B2 (en) 2013-05-30 2015-03-03 CertiVox Ltd. Authentication
US9106644B2 (en) 2013-05-30 2015-08-11 CertiVox Ltd. Authentication
CN104219047B (zh) * 2013-05-31 2017-12-15 华为技术有限公司 一种签名验证的方法及设备
KR101460541B1 (ko) * 2013-07-15 2014-11-11 고려대학교 산학협력단 사용자 아이디 기반 공개키 암호화 방법
US9275242B1 (en) 2013-10-14 2016-03-01 Trend Micro Incorporated Security system for cloud-based emails
US9197419B1 (en) 2013-10-14 2015-11-24 Trend Micro Incorporated Security system for data stored in the cloud
US10019519B2 (en) * 2013-10-30 2018-07-10 Gordon E. Seay Methods and systems for utilizing global entities in software applications
JP5915629B2 (ja) * 2013-11-28 2016-05-11 トヨタ自動車株式会社 データ共有システムにおける通信方法、データ共有システム、および通信ノード
US9219722B2 (en) 2013-12-11 2015-12-22 Globalfoundries Inc. Unclonable ID based chip-to-chip communication
US9628516B2 (en) 2013-12-12 2017-04-18 Hewlett Packard Enterprise Development Lp Policy-based data management
IN2014CH00681A (enExample) 2014-02-13 2015-08-14 Infosys Ltd
US10795858B1 (en) 2014-02-18 2020-10-06 Erich Schmitt Universal abstraction and de-abstraction of a digital data stream
US10432409B2 (en) 2014-05-05 2019-10-01 Analog Devices, Inc. Authentication system and device including physical unclonable function and threshold cryptography
US9672342B2 (en) 2014-05-05 2017-06-06 Analog Devices, Inc. System and device binding metadata with hardware intrinsic properties
US9946858B2 (en) * 2014-05-05 2018-04-17 Analog Devices, Inc. Authentication system and device including physical unclonable function and threshold cryptography
CN105099897B (zh) * 2014-05-13 2020-01-21 中兴通讯股份有限公司 一种在浏览器和电信网络之间进行通信的方法和网关
US9703979B1 (en) * 2014-06-13 2017-07-11 BicDroid Inc. Methods and computer program products for encryption key generation and management
ES2713673T3 (es) 2014-06-13 2019-05-23 Bicdroid Inc Procedimientos, sistemas y producto de programa de ordenador para proporcionar encriptado en una pluralidad de dispositivos
CN104506483A (zh) * 2014-10-21 2015-04-08 中兴通讯股份有限公司 一种信息加密解密、管理密钥的方法、终端及网络服务器
US10333696B2 (en) 2015-01-12 2019-06-25 X-Prime, Inc. Systems and methods for implementing an efficient, scalable homomorphic transformation of encrypted data with minimal data expansion and improved processing efficiency
US10020940B2 (en) * 2015-02-23 2018-07-10 Oracle International Corporation Identity-based encryption for securing access to stored messages
US10015017B2 (en) * 2015-04-09 2018-07-03 Qualcomm Incorporated Proof of work based user identification system
SG10201504240VA (en) * 2015-05-29 2016-12-29 Huawei Internat Pte Ltd A method and system for secure sms communications
GB201509499D0 (en) * 2015-06-02 2015-07-15 Certivox Ltd Zkd
US9584493B1 (en) 2015-12-18 2017-02-28 Wickr Inc. Decentralized authoritative messaging
CN105530087B (zh) * 2015-12-28 2019-05-10 北京航空航天大学 适应性选择密文安全的属性基加密方法
GB2560274C (en) * 2016-02-23 2022-06-15 Nchain Holdings Ltd Personal device security using elliptic curve cryptography for secret sharing
GB2561729A (en) 2016-02-23 2018-10-24 Nchain Holdings Ltd Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system
MX2018010045A (es) 2016-02-23 2019-01-21 Nchain Holdings Ltd Intercambio basado en cadena de bloques con tokenizacion.
US12107952B2 (en) 2016-02-23 2024-10-01 Nchain Licensing Ag Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain
KR102799781B1 (ko) 2016-02-23 2025-04-23 엔체인 홀딩스 리미티드 안전한 정보 교환과 계층 구조적이고 결정론적인 암호키를 위한 공통 비밀 결정
EA201891823A1 (ru) 2016-02-23 2019-02-28 Нчейн Холдингс Лимитед Полные по тьюрингу транзакции на основе агента, вводящие обратную связь в системе блокчейна
WO2017145048A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Cryptographic method and system for secure extraction of data from a blockchain
WO2017145019A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Registry and automated management method for blockchain-enforced smart contracts
KR102753027B1 (ko) 2016-02-23 2025-01-14 엔체인 홀딩스 리미티드 블록체인상의 개체의 안전한 전송을 위한 방법 및 시스템
CA3014737A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Blockchain-implemented method for control and distribution of digital content
MX2018010058A (es) 2016-02-23 2019-01-21 Nchain Holdings Ltd Metodo y sistema para la transferencia eficiente de criptomoneda asociada con un pago de nomina en una cadena de bloques que lleva a un metodo y sistema de pago de nomina automatico con base en contratos inteligentes.
SG10202011641RA (en) 2016-02-23 2021-01-28 Nchain Holdings Ltd Tokenisation method and system for implementing exchanges on a blockchain
SG10202007904SA (en) 2016-02-23 2020-10-29 Nchain Holdings Ltd A method and system for securing computer software using a distributed hash table and a blockchain
EP3748903A1 (en) 2016-02-23 2020-12-09 Nchain Holdings Limited Universal tokenisation system for blockchain-based cryptocurrencies
CN109155036B (zh) 2016-02-23 2023-05-23 区块链控股有限公司 用于经由区块链控制资产有关的动作的系统及方法
HUE064421T2 (hu) * 2016-04-14 2024-03-28 Rhombus Systems Group Inc Rendszer pilóta nélküli légi jármû integritásának ellenõrzésére
JP6844411B2 (ja) * 2016-05-17 2021-03-17 富士通株式会社 関係暗号化
US10116440B1 (en) 2016-08-09 2018-10-30 Amazon Technologies, Inc. Cryptographic key management for imported cryptographic keys
JP6719339B2 (ja) * 2016-08-30 2020-07-08 三菱電機株式会社 暗号システム、暗号方法及び暗号プログラム
CN110050437B (zh) * 2016-09-06 2020-10-23 华为技术有限公司 分布式证书注册的装置和方法
US10389719B2 (en) 2016-10-28 2019-08-20 Entit Software Llc Parameter based data access on a security information sharing platform
CN106570405B (zh) * 2016-11-04 2020-10-27 北京百度网讯科技有限公司 一种在输入法中对文字进行加密/解密的方法和装置
US10452877B2 (en) 2016-12-16 2019-10-22 Assa Abloy Ab Methods to combine and auto-configure wiegand and RS485
US10341098B2 (en) * 2017-01-24 2019-07-02 Nxp B.V. Method of generating cryptographic key pairs
US11356427B1 (en) 2017-02-15 2022-06-07 Wells Fargo Bank, N.A. Signcrypted envelope message
US10484379B2 (en) * 2017-03-16 2019-11-19 Motorola Solutions, Inc. System and method for providing least privilege access in a microservices architecture
EP3379766B1 (en) * 2017-03-20 2019-06-26 Huawei Technologies Co., Ltd. A wireless communication device for communication in a wireless communication network
US11354660B1 (en) 2017-04-27 2022-06-07 Wells Fargo Bank, N.A. Encapsulation of payment information
US10425235B2 (en) 2017-06-02 2019-09-24 Analog Devices, Inc. Device and system with global tamper resistance
US10958452B2 (en) 2017-06-06 2021-03-23 Analog Devices, Inc. System and device including reconfigurable physical unclonable functions and threshold cryptography
CN119135332A (zh) * 2017-06-07 2024-12-13 区块链控股有限公司 用于区块链网络的凭证生成与分发方法和系统
CN107257279B (zh) * 2017-06-29 2020-02-11 广东浩云长盛网络股份有限公司 一种明文数据加密方法及设备
GB201711867D0 (en) * 2017-07-24 2017-09-06 Nchain Holdings Ltd Computer-implemented system and method
JP7043203B2 (ja) * 2017-08-29 2022-03-29 Kddi株式会社 暗号化装置、復号装置、暗号化システム、暗号化方法及び暗号化プログラム
WO2019074479A1 (en) * 2017-10-09 2019-04-18 Hewlett-Packard Development Company, L.P. Encrypted transaction receipts
US11146397B2 (en) * 2017-10-31 2021-10-12 Micro Focus Llc Encoding abelian variety-based ciphertext with metadata
US10846412B2 (en) 2017-11-14 2020-11-24 Blackberry Limited Electronic device including display and method of encrypting and decrypting information
US10594666B2 (en) 2017-12-19 2020-03-17 Micron Technology, Inc. Secure message including a vehicle private key
WO2019124953A1 (en) * 2017-12-20 2019-06-27 Lg Electronics Inc. Cryptographic methods and systems for authentication in connected vehicle systems and for other uses
SG10201801094VA (en) 2018-02-08 2019-09-27 Huawei Int Pte Ltd System and method for computing an escrow session key and a private session key for encoding digital communications between two devices
US10911227B2 (en) * 2018-04-12 2021-02-02 Mastercard International Incorporated Method and system for managing centralized encryption and data format validation for secure real time multi-party data distribution
IL278873B2 (en) * 2018-05-25 2025-05-01 Finco Services Inc Encryption technology platform and methods for providers to enable users to monetize their data
EP3644572B1 (en) 2018-10-27 2022-03-23 Zertificon Solutions GmbH Secure communication of payload data
US20220069984A1 (en) * 2018-11-13 2022-03-03 Bluepopcon Co.Ltd Encryption system and method employing permutation group-based cryptographic technology
EP3664361B1 (en) * 2018-12-06 2024-05-22 Secure-IC SAS Methods and devices for secured identity-based encryption systems with two trusted centers
FR3091107A1 (fr) * 2018-12-24 2020-06-26 Orange Procédé et système de génération de clés pour un schéma de signatures anonymes
CN109687959B (zh) 2018-12-29 2021-11-12 上海唯链信息科技有限公司 密钥安全管理系统和方法、介质和计算机程序
US11764940B2 (en) 2019-01-10 2023-09-19 Duality Technologies, Inc. Secure search of secret data in a semi-trusted environment using homomorphic encryption
US11139982B2 (en) * 2019-01-30 2021-10-05 Rsa Security Llc Communication-efficient device delegation
CN110166254B (zh) * 2019-05-27 2020-09-29 国家电网有限公司 利用智能合约实现基于身份的密钥管理方法及装置
JP2020195100A (ja) * 2019-05-29 2020-12-03 株式会社ｂｉｔＦｌｙｅｒ Ｂｌｏｃｋｃｈａｉｎ 公開鍵の信頼性を証明するための装置、方法及びそのためのプログラム
US11128454B2 (en) 2019-05-30 2021-09-21 Bong Mann Kim Quantum safe cryptography and advanced encryption and key exchange (AEKE) method for symmetric key encryption/exchange
JP2021026049A (ja) * 2019-07-31 2021-02-22 株式会社リコー 受信装置、情報処理システム、受信方法
US11588646B2 (en) 2019-09-05 2023-02-21 Cisco Technology, Inc. Identity-based application and file verification
JP7338405B2 (ja) * 2019-10-31 2023-09-05 凸版印刷株式会社 決済認証システム及び決済認証方法
WO2021105756A1 (en) 2019-11-28 2021-06-03 Vibe Cybersecurity Inc. Method and system for a verifiable identity based encryption (vibe) using certificate-less authentication encryption (clae)
WO2021107515A1 (en) * 2019-11-28 2021-06-03 Seoul National University R&Db Foundation Identity-based encryption method based on lattices
GB2589636A (en) * 2019-12-06 2021-06-09 Nchain Holdings Ltd Identity-based public-key generation protocol
JP7254296B2 (ja) * 2019-12-12 2023-04-10 日本電信電話株式会社 鍵交換システム、情報処理装置、鍵交換方法及びプログラム
WO2021242524A2 (en) * 2020-05-12 2021-12-02 Bae Systems Information And Electronic Systems Integration Inc. Wireless multi-fuze setter interface
US11405200B1 (en) 2020-05-21 2022-08-02 Workday, Inc. Multilevel split keys for wallet recovery
US11870898B2 (en) * 2020-05-21 2024-01-09 Workday, Inc. Split keys for wallet recovery
CN111740958A (zh) * 2020-05-22 2020-10-02 卓望数码技术（深圳）有限公司 数据加密方法、解密方法、加解密传输方法及系统
CN111698095B (zh) * 2020-06-17 2023-07-11 南京如般量子科技有限公司 基于id密码学和对称密钥池的数据链抗量子计算通信方法及系统
US11757846B2 (en) 2020-06-25 2023-09-12 Bank Of America Corporation Cognitive multi-encrypted mail platform
US11122021B1 (en) 2020-06-25 2021-09-14 Bank Of America Corporation Server for handling multi-encrypted messages
US11451389B2 (en) 2020-06-25 2022-09-20 Bank Of America Corporation Multi-encrypted message response manager
US20230231714A1 (en) 2020-07-07 2023-07-20 Vibe Cybersecurity Inc. Method and system for a verifiable identity based encryption (vibe) using certificate-less authentication encryption (clae)
US11711213B2 (en) * 2020-07-23 2023-07-25 PolySign, Inc. Master key escrow process
US11621837B2 (en) * 2020-09-03 2023-04-04 Theon Technology Llc Secure encryption of data using partial-key cryptography
US11310042B2 (en) 2020-09-11 2022-04-19 Crown Sterling Limited, LLC Methods of storing and distributing large keys
CN112019335B (zh) * 2020-09-18 2023-12-29 上海市数字证书认证中心有限公司 一种基于sm2算法的多方协同加解密方法及装置、系统、介质
GB2600970A (en) * 2020-11-13 2022-05-18 Nchain Holdings Ltd Key derivation method
CN112583590B (zh) * 2020-12-14 2022-06-17 联芸科技（杭州）有限公司 基于群组共享密钥的信息发布方法及系统
CN112528312B (zh) * 2020-12-24 2023-10-03 贵州大学 一种基于Cocks身份密码体制的签密方法及系统
CN115144156B (zh) * 2021-03-31 2025-06-17 京东方科技集团股份有限公司 用于检测显示面板的光学检测装置及方法
CN113312608B (zh) * 2021-04-23 2024-03-08 中国电力科学研究院有限公司 一种基于时间戳的电力计量终端身份认证方法及系统
CN113094675B (zh) * 2021-04-29 2023-03-28 香港中文大学（深圳） 基于分布式模型训练的用户认证方法及装置
JPWO2022259494A1 (enExample) * 2021-06-10 2022-12-15
WO2022259495A1 (ja) * 2021-06-10 2022-12-15 日本電信電話株式会社 通信システム、ユーザ端末、通信方法および通信プログラム
WO2023004007A1 (en) * 2021-07-22 2023-01-26 Howard University Hybrid public-key and private-key cryptographic systems based on iso-rsa encryption scheme
CN113794702A (zh) * 2021-08-31 2021-12-14 杭州控客信息技术有限公司 智能家居系统中通信高级别加密方法
US11755772B2 (en) 2021-09-20 2023-09-12 Crown Sterling Limited, LLC Securing data in a blockchain with a one-time pad
CN113890730B (zh) * 2021-09-23 2024-09-20 上海华兴数字科技有限公司 数据传输方法及系统
US20250097022A1 (en) * 2021-11-09 2025-03-20 Safecret Pty Ltd Secure communication across an insecure communication channel
CN114065171B (zh) * 2021-11-11 2022-07-08 北京海泰方圆科技股份有限公司 一种身份认证方法、装置、系统、设备及介质
US11943336B2 (en) 2021-11-22 2024-03-26 Theon Technology Llc Use of gradient decent function in cryptography
US11791988B2 (en) 2021-11-22 2023-10-17 Theon Technology Llc Use of random entropy in cryptography
US11902420B2 (en) 2021-11-23 2024-02-13 Theon Technology Llc Partial cryptographic key transport using one-time pad encryption
EP4195581A1 (en) * 2021-12-08 2023-06-14 Nagravision Sàrl Improvements in and relating to cryptography
CN114679262A (zh) * 2021-12-31 2022-06-28 广东国腾量子科技有限公司 一种融合非对称体制的量子密钥分发系统及方法
CN114422220B (zh) * 2022-01-06 2024-02-27 浙江数秦科技有限公司 一种密文不唯一的数据加密传输方法
US12323513B1 (en) * 2022-03-30 2025-06-03 Ntt Research, Inc. Enhanced security for public key cryptosystems from augmented random oracles
CN115314199B (zh) * 2022-08-09 2024-12-13 国网浙江省电力有限公司信息通信分公司 一种边缘设备密钥更新方法及装置
US12261952B2 (en) 2022-11-04 2025-03-25 Crown Sterling Limited, LLC Multiple vector one-time key pad
US12250310B2 (en) 2023-01-09 2025-03-11 Crown Sterling Limited, LLC Use of irrational numbers in elliptic curve cryptography

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405829A (en) 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4748668A (en) 1986-07-09 1988-05-31 Yeda Research And Development Company Limited Method, apparatus and article for identification and signature
EP0277247B1 (en) 1986-07-31 1994-05-04 Kabushiki Kaisya Advance System for generating a shared cryptographic key and a communication system using the shared cryptographic key
GB2235799A (en) * 1989-09-06 1991-03-13 Philips Electronic Associated Differentiator circuit
DE69017686D1 (de) * 1990-10-24 1995-04-13 Omnisec Ag Regensdorf Geheimübertragungssystem mit Möglichkeit zur verschlüsselten Kommunikation zwischen Benutzern mit gesichertem Schlüssel, welcher ohne Benutzereinwirkung bestimmt wird.
EP0503119B1 (en) * 1991-03-14 1995-09-20 Omnisec Ag Public key cryptographic system using elliptic curves over rings
US5202921A (en) 1991-04-01 1993-04-13 International Business Machines Corporation Method and apparatus for authenticating users of a communication system to each other
US5272755A (en) 1991-06-28 1993-12-21 Matsushita Electric Industrial Co., Ltd. Public key cryptosystem with an elliptic curve
US5159632A (en) 1991-09-17 1992-10-27 Next Computer, Inc. Method and apparatus for public key exchange in a cryptographic system
US6307935B1 (en) * 1991-09-17 2001-10-23 Apple Computer, Inc. Method and apparatus for fast elliptic encryption with direct embedding
US5271061A (en) 1991-09-17 1993-12-14 Next Computer, Inc. Method and apparatus for public key exchange in a cryptographic system
JP2000515649A (ja) * 1996-08-07 2000-11-21 バンカーズ・トラスト・コーポレーション 見ることができ信頼できる当事者による同時性電子トランザクション
US5982898A (en) * 1997-03-07 1999-11-09 At&T Corp. Certification process
US6061448A (en) 1997-04-01 2000-05-09 Tumbleweed Communications Corp. Method and system for dynamic server document encryption
JP3542895B2 (ja) * 1997-08-22 2004-07-14 インターナショナル・ビジネス・マシーンズ・コーポレーション 時間制約暗号システム
JP3275812B2 (ja) * 1997-12-12 2002-04-22 日本電気株式会社 Ｉｄ認証付鍵配送方法及びその装置並びにプログラムを記録した機械読み取り可能な記録媒体
AU2452699A (en) * 1998-01-09 1999-07-26 Cybersafe Corporation Client side public key authentication method and apparatus with short-lived certificates
US6446205B1 (en) * 1998-12-10 2002-09-03 Citibank, N.A. Cryptosystems with elliptic curves chosen by users
JP2001209313A (ja) * 2000-01-25 2001-08-03 Canon Inc 証明書発行装置、情報処理装置、情報通信システム、属性証明方法、及び記憶媒体
US7239701B1 (en) * 2000-05-02 2007-07-03 Murata Machinery Ltd. Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem
JP4450969B2 (ja) 2000-05-02 2010-04-14 村田機械株式会社 鍵共有システム，秘密鍵生成装置，共通鍵生成システム，暗号通信方法，暗号通信システム及び記録媒体
JP2002164877A (ja) * 2000-09-14 2002-06-07 Advanced Mobile Telecommunications Security Technology Research Lab Co Ltd キーエスクローおよびグループ通信方法
US6970562B2 (en) 2000-12-19 2005-11-29 Tricipher, Inc. System and method for crypto-key generation and use in cryptosystem
GB2370471B (en) 2000-12-20 2004-06-23 Director Government Comm Headq Directoryless Public Key Cryptographic System and Method
WO2003017559A2 (en) * 2001-08-13 2003-02-27 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques
US6886096B2 (en) * 2002-11-14 2005-04-26 Voltage Security, Inc. Identity-based encryption system
FR2892251A1 (fr) * 2005-10-14 2007-04-20 Gemplus Sa Procede cryptographique mettant en oeuvre un systeme de chiffrement base sur l'identite
US8694771B2 (en) * 2012-02-10 2014-04-08 Connect In Private Panama Corp. Method and system for a certificate-less authenticated encryption scheme using identity-based encryption

Also Published As

Publication number Publication date
EP2224637A2 (en) 2010-09-01
EP2224637A3 (en) 2012-05-23
EP2429116B1 (en) 2013-07-10
AU2002332671A1 (en) 2003-03-03
WO2003017559A3 (en) 2003-07-10
JP2011151866A (ja) 2011-08-04
US8130964B2 (en) 2012-03-06
EP2429116A2 (en) 2012-03-14
US20070041583A1 (en) 2007-02-22
US9356779B2 (en) 2016-05-31
US7113594B2 (en) 2006-09-26
US20090034714A9 (en) 2009-02-05
WO2003017559A2 (en) 2003-02-27
JP2012032843A (ja) 2012-02-16
DE60236094D1 (de) 2010-06-02
EP2224637B1 (en) 2014-10-08
EP1425874B1 (en) 2010-04-21
EP2429116A3 (en) 2012-05-30
EP1425874A4 (en) 2009-04-15
JP5933786B2 (ja) 2016-06-15
EP1425874A2 (en) 2004-06-09
US20100208895A1 (en) 2010-08-19
JP2015144495A (ja) 2015-08-06
US7634087B2 (en) 2009-12-15
US20120159188A1 (en) 2012-06-21
US20030081785A1 (en) 2003-05-01
JP2005500740A (ja) 2005-01-06

Similar Documents

Publication Publication Date Title
ATE465571T1 (de) Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken
Barth et al. Privacy in encrypted content distribution using private broadcast encryption
US6636968B1 (en) Multi-node encryption and key delivery
Kaliski Privacy enhancement for internet electronic mail: Part IV: key certification and related services
EP1471680B1 (en) Identifier-Based Encryption method and apparatus
US7522732B2 (en) Method for controlling the distribution of software code updates
CN101594228B (zh) 证书公钥系统与身份公钥系统之间的认证加密方法
EP3701669A1 (en) Cryptographic methods and systems for managing digital certificates
US7634085B1 (en) Identity-based-encryption system with partial attribute matching
EP0802654A3 (en) Enciphering method, deciphering method and certifying method
WO2005010732A3 (en) Identity-based-encryption messaging system
US20050005106A1 (en) Cryptographic method and apparatus
CN103312506B (zh) 接收者身份匿名的多接收者签密方法
CA2213096A1 (en) Key management system for mixed-trust environments
CN105743646A (zh) 一种基于身份的加密方法及系统
RU2007149084A (ru) Защищенная мгновенная передача сообщений
CN114095171A (zh) 一种基于身份的可穿刺代理重加密方法
Baee et al. A provably secure and efficient cryptographic-key update protocol for connected vehicles
US20070183600A1 (en) Secure Cryptographic Communication System Using Kem-Dem
US20050021973A1 (en) Cryptographic method and apparatus
CN112425117B (zh) 化名信任状的配置方法和装置
CN115225257A (zh) 一种接收方身份隐私保护与追踪方法和系统
ATE321393T1 (de) Verfahren zur rechnergestützten erzeugung von öffentlichen schlüsseln zur verschlüsserung von nachrichten und vorrichtung zur durchführung des verfahrens
CN111556079A (zh) 基于身份加密的可控匿名通信方法
Chetan et al. Security framework for VANET for privacy preservation

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties