EP1618700A4 - Server-based cryptography - Google Patents

Server-based cryptography

Info

Publication number: EP1618700A4
Authority: EP; European Patent Office
Prior art keywords: server; based cryptography; cryptography
Prior art date: 2003-04-17
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP04750211A

Other languages

German (de)

French (fr)

Other versions

EP1618700A2 (en

Inventor

Edward M Scheidt

C Jay Wack

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.)

Tecsec Inc

Original Assignee

Tecsec 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.)

2003-04-17

Filing date

2004-04-16

Publication date

2010-04-28

2003-04-17 Priority claimed from US10/418,312 external-priority patent/US7539855B1/en

2004-04-16 Application filed by Tecsec Inc filed Critical Tecsec Inc

2006-01-25 Publication of EP1618700A2 publication Critical patent/EP1618700A2/en

2010-04-28 Publication of EP1618700A4 publication Critical patent/EP1618700A4/en

Status Withdrawn legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
- 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
- H04L9/0819—Key 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)
- H04L9/083—Key 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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- 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
- H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]

Landscapes

Engineering & Computer Science (AREA)
Computer Security & Cryptography (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Theoretical Computer Science (AREA)
General Health & Medical Sciences (AREA)
Bioethics (AREA)
Computer Hardware Design (AREA)
Software Systems (AREA)
Physics & Mathematics (AREA)
General Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Storage Device Security (AREA)

EP04750211A 2003-04-17 2004-04-16 Server-based cryptography Withdrawn EP1618700A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10/418,312 US7539855B1 (en)	2002-04-17	2003-04-17	Server-based cryptography
PCT/US2004/011756 WO2004095754A2 (en)	2003-04-17	2004-04-16	Server-based cryptography

Publications (2)

Publication Number	Publication Date
EP1618700A2 EP1618700A2 (en)	2006-01-25
EP1618700A4 true EP1618700A4 (en)	2010-04-28

Family

ID=33309527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04750211A Withdrawn EP1618700A4 (en)	2003-04-17	2004-04-16	Server-based cryptography

Country Status (2)

Country	Link
EP (1)	EP1618700A4 (en)
WO (1)	WO2004095754A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0695997A2 (en) *	1994-08-01	1996-02-07	AT&T Corp.	Methods for providing secure access to shared information
US5590199A (en) *	1993-10-12	1996-12-31	The Mitre Corporation	Electronic information network user authentication and authorization system
US5999629A (en) *	1995-10-31	1999-12-07	Lucent Technologies Inc.	Data encryption security module

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0566811A1 (en) *	1992-04-23	1993-10-27	International Business Machines Corporation	Authentication method and system with a smartcard
JPH08263438A (en) *	1994-11-23	1996-10-11	Xerox Corp	Distribution and use control system of digital work and access control method to digital work

2004
- 2004-04-16 WO PCT/US2004/011756 patent/WO2004095754A2/en not_active Ceased
- 2004-04-16 EP EP04750211A patent/EP1618700A4/en not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5590199A (en) *	1993-10-12	1996-12-31	The Mitre Corporation	Electronic information network user authentication and authorization system
EP0695997A2 (en) *	1994-08-01	1996-02-07	AT&T Corp.	Methods for providing secure access to shared information
US5999629A (en) *	1995-10-31	1999-12-07	Lucent Technologies Inc.	Data encryption security module

Also Published As

Publication number	Publication date
WO2004095754A3 (en)	2005-03-03
WO2004095754A2 (en)	2004-11-04
EP1618700A2 (en)	2006-01-25

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Legal Events

Date	Code	Title	Description
2005-12-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2006-01-25	17P	Request for examination filed	Effective date: 20051117
2006-01-25	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
2006-01-25	AX	Request for extension of the european patent	Extension state: AL HR LT LV MK
2006-07-26	DAX	Request for extension of the european patent (deleted)
2010-04-28	A4	Supplementary search report drawn up and despatched	Effective date: 20100325
2010-07-21	17Q	First examination report despatched	Effective date: 20100622
2012-06-06	RIC1	Information provided on ipc code assigned before grant	Ipc: G06F 21/00 20060101ALI20120503BHEP Ipc: H04L 9/08 20060101AFI20120503BHEP
2012-07-04	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2013-03-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2013-05-01	18D	Application deemed to be withdrawn	Effective date: 20121101