DE69521413D1 - Verschlüsselungseinrichtung und verfahren mit möglichkeit zur gesicherten zentralen schlüsselablage - Google Patents

Verschlüsselungseinrichtung und verfahren mit möglichkeit zur gesicherten zentralen schlüsselablage

Info

Publication number
DE69521413D1
DE69521413D1 DE69521413T DE69521413T DE69521413D1 DE 69521413 D1 DE69521413 D1 DE 69521413D1 DE 69521413 T DE69521413 T DE 69521413T DE 69521413 T DE69521413 T DE 69521413T DE 69521413 D1 DE69521413 D1 DE 69521413D1
Authority
DE
Germany
Prior art keywords
key storage
encryption device
secured key
possible secured
encryption
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 - Fee Related
Application number
DE69521413T
Other languages
English (en)
Other versions
DE69521413T2 (de
Inventor
W Sudia
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.)
Certco Inc
Original Assignee
Certco Inc
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 Certco Inc filed Critical Certco Inc
Application granted granted Critical
Publication of DE69521413D1 publication Critical patent/DE69521413D1/de
Publication of DE69521413T2 publication Critical patent/DE69521413T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/02Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3821Electronic credentials
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829Payment protocols; Details thereof insuring higher security of transaction involving key management
    • 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
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838Key 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
    • H04L9/0841Key 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 Diffie-Hellman or related key agreement protocols
    • H04L9/0844Key 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 Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085Secret sharing or secret splitting, e.g. threshold 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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
    • 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
    • H04L9/3247Cryptographic 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 digital signatures
    • 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724Finite field arithmetic
    • G06F7/725Finite field arithmetic over elliptic curves
DE69521413T 1994-01-13 1995-01-13 Verschlüsselungseinrichtung und verfahren mit möglichkeit zur gesicherten zentralen schlüsselablage Expired - Fee Related DE69521413T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18185994A 1994-01-13 1994-01-13
US27220394A 1994-07-08 1994-07-08
PCT/US1995/000531 WO1995019672A2 (en) 1994-01-13 1995-01-13 Cryptographic system and method with key escrow feature

Publications (2)

Publication Number Publication Date
DE69521413D1 true DE69521413D1 (de) 2001-07-26
DE69521413T2 DE69521413T2 (de) 2002-05-29

Family

ID=26877578

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521413T Expired - Fee Related DE69521413T2 (de) 1994-01-13 1995-01-13 Verschlüsselungseinrichtung und verfahren mit möglichkeit zur gesicherten zentralen schlüsselablage

Country Status (22)

Country Link
US (6) US5857022A (de)
EP (1) EP0739560B1 (de)
JP (4) JPH09507729A (de)
CN (1) CN1138927A (de)
AP (1) AP626A (de)
AT (1) ATE202439T1 (de)
AU (1) AU1680395A (de)
BR (1) BR9506414A (de)
CA (1) CA2176032A1 (de)
CZ (1) CZ197896A3 (de)
DE (1) DE69521413T2 (de)
DK (1) DK0739560T3 (de)
ES (1) ES2158081T3 (de)
GR (1) GR3036650T3 (de)
HU (1) HU216231B (de)
MX (1) MX9602773A (de)
NZ (2) NZ329891A (de)
OA (1) OA10456A (de)
PL (1) PL176458B1 (de)
PT (1) PT739560E (de)
UA (1) UA41387C2 (de)
WO (1) WO1995019672A2 (de)

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UA41387C2 (uk) 2001-09-17
AU1680395A (en) 1995-08-01
US5799086A (en) 1998-08-25
CN1138927A (zh) 1996-12-25
JP2005328574A (ja) 2005-11-24
US6009177A (en) 1999-12-28
US5872849A (en) 1999-02-16
DE69521413T2 (de) 2002-05-29
EP0739560A1 (de) 1996-10-30
WO1995019672A3 (en) 1995-09-08
JPH09507729A (ja) 1997-08-05
NZ279622A (en) 1998-04-27
BR9506414A (pt) 1997-09-09
CA2176032A1 (en) 1995-07-20
PT739560E (pt) 2001-12-28
HUT75800A (en) 1997-05-28
MX9602773A (es) 1997-05-31
JP2007282295A (ja) 2007-10-25
JP2006246543A (ja) 2006-09-14
HU9601870D0 (en) 1996-08-28
HU216231B (hu) 1999-05-28
CZ197896A3 (en) 1997-03-12
ES2158081T3 (es) 2001-09-01
AP626A (en) 1998-01-16
US5841865A (en) 1998-11-24
EP0739560B1 (de) 2001-06-20
NZ329891A (en) 2000-01-28
WO1995019672A2 (en) 1995-07-20
DK0739560T3 (da) 2001-10-01
AP9600811A0 (en) 1996-07-31
OA10456A (en) 2002-03-27
ATE202439T1 (de) 2001-07-15
GR3036650T3 (en) 2001-12-31
PL315574A1 (en) 1996-11-12
US5850451A (en) 1998-12-15
US5857022A (en) 1999-01-05
PL176458B1 (pl) 1999-05-31

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