ES2070719B1 - NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES. - Google Patents
NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES.Info
- Publication number
- ES2070719B1 ES2070719B1 ES9300561A ES9300561A ES2070719B1 ES 2070719 B1 ES2070719 B1 ES 2070719B1 ES 9300561 A ES9300561 A ES 9300561A ES 9300561 A ES9300561 A ES 9300561A ES 2070719 B1 ES2070719 B1 ES 2070719B1
- Authority
- ES
- Spain
- Prior art keywords
- pseudo
- generation
- record
- displacement
- random
- 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
- Storage Device Security (AREA)
Abstract
ESTRUCTURA NO LINEAL PARA LA GENERACION DE SECUENCIAS PSEUDOALEATORIAS. ESTA BASADA EN UNA ROTACION MULTIPLE DEL CONTENIDO DE DIVERSAS ETAPAS DE UN REGISTRO DE DESPLAZAMIENTO. LA ESTRUCTURA DESARROLLADA PERMITE, A PARTIR DE UN REGISTRO DE DESPLAZAMIENTO DE L = N + 2N ETAPAS Y UNA UNICA SECUENCIA GENERADA, OBTENER 2N SECUENCIAS DISTINTAS DE PERIODO Y COMPLEJIDAD MAXIMOS CON UNA DISTRIBUCION ESTADISTICA PSEUDOALEATORIA. LA ESTRUCTURA NO LINEAL DESCRITA PUEDE UTILIZARSE POR SI SOLA COMO GENERADOR DE SECUENCIA PSEUDOALEATORIA, COMO PARTE INTEGRANTE DE OTROS GENERADORES MAS COMPLEJOS O COMO SUSTITUTIVO DEL REGISTRO DE DESPLAZAMIENTO AL PRODUCIR SECUENCIAS DE LAS MISMAS CARACTERISTICAS QUE ESTE PERO CON UNA COMPLEJIDAD MUY SUPERIOR. SU IMPLEMENTACION ES SENCILLA CON ELEMENTOS SIMPLES DE ELECTRONICA DIGITAL Y SU USO RESULTA ACONSEJADO EN SISTEMAS DE CIFRADO Y CUALQUIER OTRO QUE REQUIERA DE VALORES PSEUDOALEATORIOS.NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES. IT IS BASED ON A MULTIPLE ROTATION OF THE CONTENT OF DIFFERENT STAGES OF A DISPLACEMENT RECORD. THE DEVELOPED STRUCTURE ALLOWS, FROM A DISPLACEMENT RECORD OF L = N + 2N STAGES AND A SINGLE GENERATED SEQUENCE, TO OBTAIN 2N DIFFERENT SEQUENCES OF PERIOD AND PSEUDO-RANDOMISTIC DISTRIBUTION. THE DESCRIBED NON-LINEAR STRUCTURE CAN BE USED ON ITSELF AS A PSEUDO-RANDOM SEQUENCE GENERATOR, AS AN INTEGRAL PART OF OTHER MORE COMPLEX GENERATORS OR AS A SUBSTITUTE FOR THE RECORD OF DISPLACEMENT BY PRODUCING SUCH SUPERIOR CHARACTERISTICS. ITS IMPLEMENTATION IS SIMPLE WITH SIMPLE ELEMENTS OF DIGITAL ELECTRONICS AND ITS USE IS ADVISED IN ENCRYPTION SYSTEMS AND ANY OTHER THAT REQUIRES PSEUDO-RANDOM VALUES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9300561A ES2070719B1 (en) | 1993-03-17 | 1993-03-17 | NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9300561A ES2070719B1 (en) | 1993-03-17 | 1993-03-17 | NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES. |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2070719A2 ES2070719A2 (en) | 1995-06-01 |
ES2070719R ES2070719R (en) | 1997-03-01 |
ES2070719B1 true ES2070719B1 (en) | 1997-10-16 |
Family
ID=8281165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9300561A Expired - Fee Related ES2070719B1 (en) | 1993-03-17 | 1993-03-17 | NONLINEAR STRUCTURE FOR THE GENERATION OF PSEUDO-RANDOM SEQUENCES. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2070719B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2008319A6 (en) * | 1987-11-10 | 1989-07-16 | Consejo Superior Investigacion | Non-linear generator of pseudoaleatory binary sequences. (Machine-translation by Google Translate, not legally binding) |
US5031129A (en) * | 1989-05-12 | 1991-07-09 | Alcatel Na Network Systems Corp. | Parallel pseudo-random generator for emulating a serial pseudo-random generator and method for carrying out same |
US5043988A (en) * | 1989-08-25 | 1991-08-27 | Mcnc | Method and apparatus for high precision weighted random pattern generation |
-
1993
- 1993-03-17 ES ES9300561A patent/ES2070719B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2070719A2 (en) | 1995-06-01 |
ES2070719R (en) | 1997-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19950601 Kind code of ref document: R Effective date: 19950601 |
|
FD1A | Patent lapsed |
Effective date: 20000707 |