ES2168204B1 - Procedimiento cuantico para distribuir claves criptograficas sin descartar datos. - Google Patents
Procedimiento cuantico para distribuir claves criptograficas sin descartar datos.Info
- Publication number
- ES2168204B1 ES2168204B1 ES200000713A ES200000713A ES2168204B1 ES 2168204 B1 ES2168204 B1 ES 2168204B1 ES 200000713 A ES200000713 A ES 200000713A ES 200000713 A ES200000713 A ES 200000713A ES 2168204 B1 ES2168204 B1 ES 2168204B1
- Authority
- ES
- Spain
- Prior art keywords
- cryptographic keys
- procedure
- data
- key
- quantic
- 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
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
El invento es un procedimiento para distribuir claves criptográficas entre dos usuarios distantes que usan una propiedad de la mecánica cuántica. La novedad de la invención reside en que el número de datos útiles para generar la clave, por cada dato transmitido, es mayor que en cualquier otro procedimiento cuántico de distribución de claves criptográficas previo. El invento se basa en la creación de "enredo" a distancia. El invento simplifica el proceso de comprobación de que la clave no ha sido espiada. En todos los procedimientos cuánticos previos, cualquier intento de espionaje se traduce inevitablemente en que las claves que reciben ambos usuarios dejan de ser iguales. Con la presente invención la acción del espía altera el 75% de la clave, lo que facilita su detección.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200000713A ES2168204B1 (es) | 2000-03-21 | 2000-03-21 | Procedimiento cuantico para distribuir claves criptograficas sin descartar datos. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200000713A ES2168204B1 (es) | 2000-03-21 | 2000-03-21 | Procedimiento cuantico para distribuir claves criptograficas sin descartar datos. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2168204A1 ES2168204A1 (es) | 2002-06-01 |
| ES2168204B1 true ES2168204B1 (es) | 2003-11-01 |
Family
ID=8492837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200000713A Expired - Fee Related ES2168204B1 (es) | 2000-03-21 | 2000-03-21 | Procedimiento cuantico para distribuir claves criptograficas sin descartar datos. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2168204B1 (es) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0739559B1 (en) * | 1993-09-09 | 2003-04-09 | BRITISH TELECOMMUNICATIONS public limited company | Method for key distribution using quantum cryptography |
| EP0717895B1 (en) * | 1993-09-09 | 1998-11-25 | BRITISH TELECOMMUNICATIONS public limited company | Key distribution in a multiple access network using quantum cryptography |
| US6314189B1 (en) * | 1997-10-02 | 2001-11-06 | Akio Motoyoshi | Method and apparatus for quantum communication |
-
2000
- 2000-03-21 ES ES200000713A patent/ES2168204B1/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2168204A1 (es) | 2002-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 20020601 Kind code of ref document: A1 Effective date: 20020601 |
|
| FG2A | Definitive protection |
Ref document number: 2168204B1 Country of ref document: ES |
|
| FD2A | Announcement of lapse in spain |
Effective date: 20200626 |