WO9925086A3
Generation of a seed number
Abstract
Method for computing the key to an encryption algorithm used to encrypt messages to be transmitted over a telecommunication network and for generating the seed number needed for the computation of the encryption key. According to the invention, the seed number used is a number computed from a random number generated by the authentication centre of the mobile communication network, and the encryption key is computed using the authentication algorithm from the seed number and a subscriber identification key.
Term
No projected expiry on record.
- Priority and filed
- Published
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0688929A2 | Cites | European Patent Office (EPO) | A | International search |
| EP0688929A2 | Cites | European Patent Office (EPO) | A | International search |
| US4797672A | Cites | United States of America | A | International search |
| US4797672A | Cites | United States of America | A | International search |
| US5144665A | Cites | United States of America | A | International search |
| US5144665A | Cites | United States of America | A | International search |
| US5201000A | Cites | United States of America | A | International search |
| US5201000A | Cites | United States of America | A | International search |
| US5590200A | Cites | United States of America | Y | International search |
| US5590200A | Cites | United States of America | Y | International search |
| WO9712461A1 | Cites | World Intellectual Property Organization (WIPO) | A | International search |
| WO9712461A1 | Cites | World Intellectual Property Organization (WIPO) | A | International search |
| M. Mouley, M.B. Pautet: The GSM System for Mobile Communications, Frans 1992; sections 7.2.2 & 7.2.3 | Non-patent | – | – | International search |
10 members in 7 offices; this record represents the family
Members10
| Document | Office | Kind | |
|---|---|---|---|
| FI974198A0 | Finland | A0 | |
| FI974198A | Finland | A | |
| CA2309666A1 | Canada | A1 | |
| WO9925086A2 | World Intellectual Property Organization (WIPO) | A2 | |
| AU1489299A | Australia | A | |
| WO9925086A3This record | World Intellectual Property Organization (WIPO) | A3 | |
| FI105253B | Finland | B | |
| EP1025739A2 | European Patent Office (EPO) | A2 | |
| JP2001523064A | Japan | A | |
| NZ504378A | New Zealand | A |
15 legal events, as 4 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Wipo information: withdrawn in national officeWithdrawnWWW | WWW | WO | |
| Wipo information: published in national officeWWP | WWP | WO | |
| Wipo information: entry into national phaseWWE | WWE | WO | |
| Non-entry into the national phaseNENP | NENP | KR | |
| Entry into the national phaseENP | ENP | CA | |
| Entry into the national phaseENP | ENP | CA | |
| Wipo information: entry into national phaseWWE | WWE | WO | |
| Wipo information: entry into national phaseWWE | WWE | WO | |
| Procedure relating to pct application: ceased to have effect for deCeased8642 | 8642 | DE | |
| Designated statesAK | AK | WO | |
| Designated countries for regional patentsAL | AL | WO | |
| Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)DFPE | DFPE | WO | |
| Ep: the epo has been informed by wipo that ep was designated in this application121 | 121 | WO | |
| Designated statesAK | AK | WO | |
| Designated countries for regional patentsAL | AL | WO |
Numbers
- Publication
- 99/25086
- Application
- 9800879
Titles2
- English
- GENERATION OF A SEED NUMBER
- French
- GENERATION D'UNE VALEUR DE DEPART
Classification
- CPC, 3
- H04W12/04
- H04L63/062
- H04W12/033
- IPC, 2
- H04W12 00
- H04L9 08
Designated states96
- Regional, 51
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- Malawi
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- Uganda
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- Kyrgyzstan
- Kazakhstan
- Republic of Moldova
- Russian Federation
- Tajikistan
- Turkmenistan
- Austria
- Belgium
- Switzerland
- Cyprus
- Germany
- Denmark
and 27 moreShow fewer
- Spain
- Finland
- France
- United Kingdom
- Greece
- Ireland
- Italy
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Burkina Faso
- Benin
- Central African Republic
- Congo
- Côte d’Ivoire
- Cameroon
- Gabon
- Guinea
- Guinea-Bissau
- Mali
- Mauritania
- Niger
- Senegal
- Chad
- Togo
- National, 45
- Albania
- Australia
- Bosnia and Herzegovina
- Barbados
- Bulgaria
- Brazil
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- China
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- Estonia
- Grenada
- Georgia
- Croatia
- Hungary
- Indonesia
- Israel
- Iceland
- Japan
- Democratic People’s Republic of Korea
- Republic of Korea
- Saint Lucia
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and 21 moreShow fewer
- Lithuania
- Latvia
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- Viet Nam
- Yugoslavia, later Serbia and Montenegro (until 2006)