ATE349116T1 - Privatschlüsselrückgewinnung - Google Patents

Privatschlüsselrückgewinnung

Info

Publication number
ATE349116T1
ATE349116T1 AT00937009T AT00937009T ATE349116T1 AT E349116 T1 ATE349116 T1 AT E349116T1 AT 00937009 T AT00937009 T AT 00937009T AT 00937009 T AT00937009 T AT 00937009T AT E349116 T1 ATE349116 T1 AT E349116T1
Authority
AT
Austria
Prior art keywords
key
private key
private
key recovery
public key
Prior art date
Application number
AT00937009T
Other languages
English (en)
Inventor
Ian Harvey
Someren Van
Original Assignee
Ncipher Corp Ltd
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 GBGB9911986.9A external-priority patent/GB9911986D0/en
Priority claimed from GBGB9913601.2A external-priority patent/GB9913601D0/en
Application filed by Ncipher Corp Ltd filed Critical Ncipher Corp Ltd
Application granted granted Critical
Publication of ATE349116T1 publication Critical patent/ATE349116T1/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
    • H04L9/0894—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
    • H04L9/08—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
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Mobile Radio Communication Systems (AREA)
AT00937009T 1999-05-25 2000-05-25 Privatschlüsselrückgewinnung ATE349116T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9911986.9A GB9911986D0 (en) 1999-05-25 1999-05-25 Cryptrographic keys
GBGB9913601.2A GB9913601D0 (en) 1999-06-12 1999-06-12 Key recovery algorithms

Publications (1)

Publication Number Publication Date
ATE349116T1 true ATE349116T1 (de) 2007-01-15

Family

ID=26315583

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00937009T ATE349116T1 (de) 1999-05-25 2000-05-25 Privatschlüsselrückgewinnung

Country Status (7)

Country Link
EP (1) EP1180277B1 (de)
JP (1) JP2003500922A (de)
AT (1) ATE349116T1 (de)
AU (1) AU5230500A (de)
CA (1) CA2371599A1 (de)
DE (1) DE60032476D1 (de)
WO (1) WO2000072504A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374497B (en) * 2001-04-03 2003-03-12 Ericsson Telefon Ab L M Facilitating legal interception of IP connections
DE10134489B4 (de) * 2001-06-27 2004-03-04 Mediasec Technologies Gmbh Asymmetrisches Kryptographieverfahren
FR2857184A1 (fr) * 2003-07-04 2005-01-07 Thomson Licensing Sa Procede de chiffrement/dechiffrement d'un message et dispositif associe
US7801871B2 (en) 2005-08-09 2010-09-21 Nexsan Technologies Canada Inc. Data archiving system
DE102009001718B4 (de) 2009-03-20 2010-12-30 Compugroup Holding Ag Verfahren zur Bereitstellung von kryptografischen Schlüsselpaaren
EP2348452B1 (de) 2009-12-18 2014-07-02 CompuGroup Medical AG Computerimplementiertes Verfahren zur Erzeugung eines Pseudonyms, computerlesbares Speichermedium und Computersystem
EP2348450B1 (de) 2009-12-18 2013-11-06 CompuGroup Medical AG Computerimplementiertes Verfahren zur Erzeugung eines Pseudonyms, computerlesbares Speichermedium und Computersystem
EP2365456B1 (de) 2010-03-11 2016-07-20 CompuGroup Medical SE Computerimplementiertes Verfahren zur Erzeugung eines Pseudonyms, computerlesbares Speichermedium und Computersystem
PL407088A1 (pl) * 2014-02-05 2015-08-17 E-Ja Spółka Z Ograniczoną Odpowiedzialnością System zarządzania fakturami elektronicznymi i sposób zarządzania fakturami elektronicznymi

Family Cites Families (2)

* 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
US5604801A (en) * 1995-02-03 1997-02-18 International Business Machines Corporation Public key data communications system under control of a portable security device

Also Published As

Publication number Publication date
EP1180277B1 (de) 2006-12-20
WO2000072504A1 (en) 2000-11-30
CA2371599A1 (en) 2000-11-30
JP2003500922A (ja) 2003-01-07
EP1180277A1 (de) 2002-02-20
AU5230500A (en) 2000-12-12
DE60032476D1 (de) 2007-02-01

Similar Documents

Publication Publication Date Title
AU2002368304A1 (en) Device keys
ATE523017T1 (de) Schlüsselvereinbarungs- und transportprotokoll
DE60032476D1 (de) Privatschlüsselrückgewinnung
BR0313958A (pt) Método e sistema para garantir em segurança chaves privadas em uma infra-estrutura de chave pública
DE59901773D1 (de) Verfahren und vorrichtung zum erzeugen eines verschlüsselten nutzdatenstroms und verfahren und vorrichtung zum entschlüsseln eines verschlüsselten nutzdatenstroms
EP0889617A3 (de) Verfahren und Vorrichtung zur Wiedergewinnung von Sitzungsschlüsseln
EA200500010A1 (ru) Способ управления ключами в базе данных, база данных и способ организации базы данных
AU7569000A (en) Optical watermark
AU5817600A (en) Methods and arrangements for secure linking of entity authentication and ciphering key generation
GB2398713B (en) Limiting service provision to group members
FI20002255A (fi) Menetelmä lukkojen hallintaan ja kontrollointiin
DE60030416D1 (de) Audiosynthese durch digital abtasten von codierten wellenformen
TW200420074A (en) Public key media key block
ES2185311T3 (es) Metodo para la grabacion de datos digitales encriptados.
WO2003054662A3 (en) A system and method for preventing unauthorized use of protected software utilizing a portable security device
DK1185021T3 (da) Fremgangsmåde og anlæg til informationsbehandling
GB2395872B (en) Data output method,system and apparatus
EP0912011A3 (de) Verfahren und Vorrichtung zur Verschlüsselung und zur Rückgewinnung von Schlüseln
EP1162779A3 (de) Verrichtung und Verfahren zur Rückgewinnung von Verschlüsselungszertifikaten durch Dritte in einer Infrastruktur mit öffentlichem Schlüssel
AU1315100A (en) System and method of securing a computer from unauthorized access
CN104252604B (zh) 一种基于数据库的积木式动态加密方法
DE60134565D1 (de) Schutz einer elektronischen datei unter verwendung des standorts
WO2004081744A3 (en) Content protection for digital recording
DE69429510D1 (de) Verschliessungsverfahren und -vorrichtung
MY123961A (en) Method and apparatus for registration of information with plural institutions and recording medium with registration program stored thereon

Legal Events

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