EP1618700A4 - Server-based cryptography - Google Patents
Server-based cryptographyInfo
- Publication number
- EP1618700A4 EP1618700A4 EP04750211A EP04750211A EP1618700A4 EP 1618700 A4 EP1618700 A4 EP 1618700A4 EP 04750211 A EP04750211 A EP 04750211A EP 04750211 A EP04750211 A EP 04750211A EP 1618700 A4 EP1618700 A4 EP 1618700A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- server
- based cryptography
- cryptography
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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]
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)
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)
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 EP EP04750211A patent/EP1618700A4/en not_active Withdrawn
- 2004-04-16 WO PCT/US2004/011756 patent/WO2004095754A2/en active Application Filing
Patent Citations (3)
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 |
---|---|
EP1618700A2 (en) | 2006-01-25 |
WO2004095754A2 (en) | 2004-11-04 |
WO2004095754A3 (en) | 2005-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20051117 |
|
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 |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100325 |
|
17Q | First examination report despatched |
Effective date: 20100622 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G06F 21/00 20060101ALI20120503BHEP Ipc: H04L 9/08 20060101AFI20120503BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
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 |
|
18D | Application deemed to be withdrawn |
Effective date: 20121101 |