DE69634715D1 - Verfahren und Einrichtung zur Erzeugung und Verwaltung eines geheimen Schlüssels eines Kryptosystems mit öffentlichem Schlüssel - Google Patents

Verfahren und Einrichtung zur Erzeugung und Verwaltung eines geheimen Schlüssels eines Kryptosystems mit öffentlichem Schlüssel

Info

Publication number
DE69634715D1
DE69634715D1 DE69634715T DE69634715T DE69634715D1 DE 69634715 D1 DE69634715 D1 DE 69634715D1 DE 69634715 T DE69634715 T DE 69634715T DE 69634715 T DE69634715 T DE 69634715T DE 69634715 D1 DE69634715 D1 DE 69634715D1
Authority
DE
Germany
Prior art keywords
key
managing
public
creating
secret key
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
DE69634715T
Other languages
English (en)
Other versions
DE69634715T2 (de
Inventor
Shinji Ishii
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
Priority claimed from JP15503095A external-priority patent/JPH096233A/ja
Priority claimed from JP15941495A external-priority patent/JPH096236A/ja
Priority claimed from JP7204642A external-priority patent/JPH0950236A/ja
Priority claimed from JP8072949A external-priority patent/JPH09261217A/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69634715D1 publication Critical patent/DE69634715D1/de
Application granted granted Critical
Publication of DE69634715T2 publication Critical patent/DE69634715T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H04L9/0897Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891Revocation or update of secret information, e.g. encryption key update or rekeying
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006Public 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
    • H04L9/302Public 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 integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3263Cryptographic 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
DE69634715T 1995-06-21 1996-06-21 Verfahren und Einrichtung zur Erzeugung und Verwaltung eines geheimen Schlüssels eines Kryptosystems mit öffentlichem Schlüssel Expired - Lifetime DE69634715T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP15503095 1995-06-21
JP15503095A JPH096233A (ja) 1995-06-21 1995-06-21 鍵発行方法および装置
JP15941495 1995-06-26
JP15941495A JPH096236A (ja) 1995-06-26 1995-06-26 公開鍵暗号の鍵生成・証明書発行方法及びそのシステム
JP7204642A JPH0950236A (ja) 1995-08-10 1995-08-10 秘密鍵再現方法及びその装置
JP20464295 1995-08-10
JP8072949A JPH09261217A (ja) 1996-03-27 1996-03-27 通信装置及びその方法
JP7294996 1996-03-27

Publications (2)

Publication Number Publication Date
DE69634715D1 true DE69634715D1 (de) 2005-06-16
DE69634715T2 DE69634715T2 (de) 2006-01-19

Family

ID=27465526

Family Applications (6)

Application Number Title Priority Date Filing Date
DE69635143T Expired - Lifetime DE69635143T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel
DE69637998T Expired - Lifetime DE69637998D1 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung des Geheimschlüssels eines Kryptosystems mit öffentlichem Schlüssel
DE69635144T Expired - Lifetime DE69635144T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel
DE69635234T Expired - Lifetime DE69635234T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel
DE69634715T Expired - Lifetime DE69634715T2 (de) 1995-06-21 1996-06-21 Verfahren und Einrichtung zur Erzeugung und Verwaltung eines geheimen Schlüssels eines Kryptosystems mit öffentlichem Schlüssel
DE69635145T Expired - Lifetime DE69635145T2 (de) 1995-06-21 1996-06-21 Verfahren zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel

Family Applications Before (4)

Application Number Title Priority Date Filing Date
DE69635143T Expired - Lifetime DE69635143T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel
DE69637998T Expired - Lifetime DE69637998D1 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung des Geheimschlüssels eines Kryptosystems mit öffentlichem Schlüssel
DE69635144T Expired - Lifetime DE69635144T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel
DE69635234T Expired - Lifetime DE69635234T2 (de) 1995-06-21 1996-06-21 Verfahren und Vorrichtung zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69635145T Expired - Lifetime DE69635145T2 (de) 1995-06-21 1996-06-21 Verfahren zur Erzeugung und Verwaltung eines privaten Schlüssels in einem kryptografischen System mit öffentlichem Schlüssel

Country Status (3)

Country Link
US (1) US5768389A (de)
EP (6) EP1253743B1 (de)
DE (6) DE69635143T2 (de)

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Also Published As

Publication number Publication date
EP0750410A2 (de) 1996-12-27
EP1253741A3 (de) 2003-03-05
EP1253741B1 (de) 2005-08-31
EP1253742A3 (de) 2003-03-05
EP0750410A3 (de) 2000-03-15
US5768389A (en) 1998-06-16
EP1253744A3 (de) 2003-03-05
EP1253743A3 (de) 2003-03-05
DE69635144D1 (de) 2005-10-06
DE69635234T2 (de) 2006-06-29
DE69637998D1 (de) 2009-09-24
EP1253743B1 (de) 2005-09-28
DE69635145T2 (de) 2006-06-29
DE69635145D1 (de) 2005-10-06
EP1175036A2 (de) 2002-01-23
EP1253744B1 (de) 2005-08-31
EP1175036B1 (de) 2009-08-12
DE69634715T2 (de) 2006-01-19
EP1253743A2 (de) 2002-10-30
EP1253742A2 (de) 2002-10-30
EP1175036A3 (de) 2005-10-05
DE69635143D1 (de) 2005-10-06
EP1253741A2 (de) 2002-10-30
EP1253744A2 (de) 2002-10-30
EP1253742B1 (de) 2005-08-31
EP0750410B1 (de) 2005-05-11
DE69635144T2 (de) 2006-06-22
DE69635234D1 (de) 2006-02-09
DE69635143T2 (de) 2006-06-22

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