CA2290952A1 - Auto-recoverable auto-certifiable cryptosystems - Google Patents

Auto-recoverable auto-certifiable cryptosystems Download PDF

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Publication number
CA2290952A1
CA2290952A1 CA002290952A CA2290952A CA2290952A1 CA 2290952 A1 CA2290952 A1 CA 2290952A1 CA 002290952 A CA002290952 A CA 002290952A CA 2290952 A CA2290952 A CA 2290952A CA 2290952 A1 CA2290952 A1 CA 2290952A1
Authority
CA
Canada
Prior art keywords
user
key
public
private key
escrow
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.)
Abandoned
Application number
CA002290952A
Other languages
English (en)
French (fr)
Inventor
Marcel Mordechay Yung
Adam Lucas Young
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US08/864,839 external-priority patent/US6202150B1/en
Priority claimed from US08/878,189 external-priority patent/US6122742A/en
Priority claimed from US08/920,504 external-priority patent/US6243466B1/en
Priority claimed from US08/932,639 external-priority patent/US6389136B1/en
Priority claimed from US08/959,351 external-priority patent/US6282295B1/en
Application filed by Individual filed Critical Individual
Publication of CA2290952A1 publication Critical patent/CA2290952A1/en
Abandoned 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
    • H04L9/30—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
    • H04L9/3263—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 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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

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)
CA002290952A 1997-05-28 1998-05-21 Auto-recoverable auto-certifiable cryptosystems Abandoned CA2290952A1 (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US08/864,839 US6202150B1 (en) 1997-05-28 1997-05-28 Auto-escrowable and auto-certifiable cryptosystems
US08/864,839 1997-05-28
US08/878,189 1997-06-18
US08/878,189 US6122742A (en) 1997-06-18 1997-06-18 Auto-recoverable and auto-certifiable cryptosystem with unescrowed signing keys
US08/920,504 1997-08-29
US08/920,504 US6243466B1 (en) 1997-08-29 1997-08-29 Auto-escrowable and auto-certifiable cryptosystems with fast key generation
US08/932,639 1997-09-17
US08/932,639 US6389136B1 (en) 1997-05-28 1997-09-17 Auto-Recoverable and Auto-certifiable cryptosystems with RSA or factoring based keys
US08/959,351 1997-10-28
US08/959,351 US6282295B1 (en) 1997-10-28 1997-10-28 Auto-recoverable and auto-certifiable cryptostem using zero-knowledge proofs for key escrow in general exponential ciphers
PCT/US1998/010392 WO1998054864A2 (en) 1997-05-28 1998-05-21 Auto-recoverable auto-certifiable cryptosystems

Publications (1)

Publication Number Publication Date
CA2290952A1 true CA2290952A1 (en) 1998-12-03

Family

ID=27542270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002290952A Abandoned CA2290952A1 (en) 1997-05-28 1998-05-21 Auto-recoverable auto-certifiable cryptosystems

Country Status (13)

Country Link
EP (1) EP0997017A2 (xx)
JP (1) JP2002500842A (xx)
KR (1) KR20010013155A (xx)
CN (1) CN1241353C (xx)
AU (1) AU737037B2 (xx)
BR (1) BR9809664A (xx)
CA (1) CA2290952A1 (xx)
CZ (1) CZ9904106A3 (xx)
IL (1) IL132961A0 (xx)
NO (1) NO995811L (xx)
NZ (1) NZ501273A (xx)
PL (1) PL338018A1 (xx)
WO (1) WO1998054864A2 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6473508B1 (en) * 1998-12-22 2002-10-29 Adam Lucas Young Auto-recoverable auto-certifiable cryptosystems with unescrowed signature-only keys
EP2312791B1 (en) * 1999-01-29 2017-11-01 Google Technology Holdings LLC Key management for telephone calls to protect signaling and call packets between cta's
WO2001095545A2 (en) * 2000-06-05 2001-12-13 Phoenix Technologies Ltd. Systems, methods and software for remote password authentication using multiple servers
US7577659B2 (en) * 2003-10-24 2009-08-18 Microsoft Corporation Interoperable credential gathering and access modularity
US7721340B2 (en) * 2004-06-12 2010-05-18 Microsoft Corporation Registry protection
CN102013983B (zh) * 2010-11-26 2012-08-22 中国科学院软件研究所 一种基于强rsa假设的数字签名方法
CA3015569C (en) 2016-02-23 2024-04-02 nChain Holdings Limited Registry and automated management method for blockchain-enforced smart contracts
EP3420518B1 (en) 2016-02-23 2023-08-23 nChain Licensing AG Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain
EP3257002B1 (en) 2016-02-23 2020-03-11 Nchain Holdings Limited Agent-based turing complete transactions integrating feedback within a blockchain system
BR112018016245A2 (pt) 2016-02-23 2018-12-18 Nchain Holdings Ltd método, dispositivo e sistema para determinação de um segredo comum para o intercâmbio seguro de informações e chaves criptoógráficas, sistema para comunicação e programa de computador
EP4274154A3 (en) 2016-02-23 2023-12-20 nChain Licensing AG Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system
CN113641986B (zh) * 2021-08-27 2024-04-02 上海金融期货信息技术有限公司 基于SoftHSM实现联盟链用户私钥托管方法与系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2176032A1 (en) * 1994-01-13 1995-07-20 Bankers Trust Company Cryptographic system and method with key escrow feature
US5481613A (en) * 1994-04-15 1996-01-02 Northern Telecom Limited Computer network cryptographic key distribution system
US5745574A (en) * 1995-12-15 1998-04-28 Entegrity Solutions Corporation Security infrastructure for electronic transactions
US5666414A (en) * 1996-03-21 1997-09-09 Micali; Silvio Guaranteed partial key-escrow
US5815573A (en) * 1996-04-10 1998-09-29 International Business Machines Corporation Cryptographic key recovery system

Also Published As

Publication number Publication date
NZ501273A (en) 2001-09-28
WO1998054864A3 (en) 1999-05-14
IL132961A0 (en) 2001-03-19
CN1262007A (zh) 2000-08-02
NO995811L (no) 2000-01-27
KR20010013155A (ko) 2001-02-26
JP2002500842A (ja) 2002-01-08
AU737037B2 (en) 2001-08-09
NO995811D0 (no) 1999-11-26
PL338018A1 (en) 2000-09-25
EP0997017A2 (en) 2000-05-03
CN1241353C (zh) 2006-02-08
AU8656498A (en) 1998-12-30
BR9809664A (pt) 2000-09-05
CZ9904106A3 (cs) 2001-08-15
WO1998054864A2 (en) 1998-12-03

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US6282295B1 (en) Auto-recoverable and auto-certifiable cryptostem using zero-knowledge proofs for key escrow in general exponential ciphers
US6389136B1 (en) Auto-Recoverable and Auto-certifiable cryptosystems with RSA or factoring based keys
Li et al. Oblivious signature-based envelope
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Young et al. Auto-recoverable auto-certifiable cryptosystems
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Legal Events

Date Code Title Description
FZDE Discontinued