ES2123443A1 - Metodo y aparato para cifrado en bloque de datos. - Google Patents

Metodo y aparato para cifrado en bloque de datos.

Info

Publication number
ES2123443A1
ES2123443A1 ES09602747A ES9602747A ES2123443A1 ES 2123443 A1 ES2123443 A1 ES 2123443A1 ES 09602747 A ES09602747 A ES 09602747A ES 9602747 A ES9602747 A ES 9602747A ES 2123443 A1 ES2123443 A1 ES 2123443A1
Authority
ES
Spain
Prior art keywords
encrypting
data blocks
data
transformation
pseudo
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.)
Granted
Application number
ES09602747A
Other languages
English (en)
Other versions
ES2123443B1 (es
Inventor
Maranon Gonzalo Alvarez
Sabater Carmen Fuster
Martinez Dolores Guia
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.)
Consejo Superior de Investigaciones Cientificas CSIC
Original Assignee
Consejo Superior de Investigaciones Cientificas CSIC
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.)
Filing date
Publication date
Application filed by Consejo Superior de Investigaciones Cientificas CSIC filed Critical Consejo Superior de Investigaciones Cientificas CSIC
Priority to ES9602747A priority Critical patent/ES2123443B1/es
Publication of ES2123443A1 publication Critical patent/ES2123443A1/es
Application granted granted Critical
Publication of ES2123443B1 publication Critical patent/ES2123443B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

METODO Y APARATO PARA CIFRADO EN BLOQUE DE DATOS. SE DESCRIBE UN METODO Y APARATO PARA EL CIFRADO DE DATOS ELECTRONICOS QUE PERMITE REALIZAR DE FORMA SEGURA LA TRANSMISION, EL ALMACENAMIENTO Y EL PROCESADO DE LOS MISMOS. EL ESQUEMA GENERAL DE UN CIFRADOR EN BLOQUE ESTA COMPUESTO POR TRES ELEMENTOS: TRANSFORMACION DE ENTRADA, MODULO ITERATIVO INTEGRADO POR DISTINTAS OPERACIONES Y TRANSFORMACION DE SALIDA. LAS APLICACIONES DE LA INVENCION COMO CRIPTOGRAFIA, TECNOLOGIA DE LAS COMUNICACIONES, GENERACION DE SECUENCIAS PSEUDO-ALEATORIAS, SEGURIDAD INFORMATICA.
ES9602747A 1996-12-27 1996-12-27 Metodo y aparato para cifrado en bloque de datos. Expired - Fee Related ES2123443B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9602747A ES2123443B1 (es) 1996-12-27 1996-12-27 Metodo y aparato para cifrado en bloque de datos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9602747A ES2123443B1 (es) 1996-12-27 1996-12-27 Metodo y aparato para cifrado en bloque de datos.

Publications (2)

Publication Number Publication Date
ES2123443A1 true ES2123443A1 (es) 1999-01-01
ES2123443B1 ES2123443B1 (es) 1999-09-16

Family

ID=8297159

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9602747A Expired - Fee Related ES2123443B1 (es) 1996-12-27 1996-12-27 Metodo y aparato para cifrado en bloque de datos.

Country Status (1)

Country Link
ES (1) ES2123443B1 (es)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078153A (en) * 1976-09-30 1978-03-07 International Standard Electric Corporation Clock signal and auxiliary signal transmission system
EP0443752A2 (en) * 1990-02-21 1991-08-28 General Instrument Corporation Of Delaware Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator
US5724428A (en) * 1995-11-01 1998-03-03 Rsa Data Security, Inc. Block encryption algorithm with data-dependent rotations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078153A (en) * 1976-09-30 1978-03-07 International Standard Electric Corporation Clock signal and auxiliary signal transmission system
EP0443752A2 (en) * 1990-02-21 1991-08-28 General Instrument Corporation Of Delaware Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator
US5724428A (en) * 1995-11-01 1998-03-03 Rsa Data Security, Inc. Block encryption algorithm with data-dependent rotations

Also Published As

Publication number Publication date
ES2123443B1 (es) 1999-09-16

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