GB9616803D0 - Data encryption - Google Patents

Data encryption

Info

Publication number: GB9616803D0
Authority: GB; United Kingdom
Prior art keywords: data encryption; encryption; data
Prior art date: 1996-08-09
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GBGB9616803.4A

Other versions

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.)

FARIA RICHARD S

Original Assignee

FARIA RICHARD S

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.)

1996-08-09

Filing date

1996-08-09

Publication date

1996-09-25

1996-08-09 Application filed by FARIA RICHARD S filed Critical FARIA RICHARD S

1996-08-09 Priority to GB9616803A priority Critical patent/GB2316278A/en

1996-09-25 Publication of GB9616803D0 publication Critical patent/GB9616803D0/en

1997-08-11 Priority to AU38567/97A priority patent/AU3856797A/en

1997-08-11 Priority to PCT/GB1997/002138 priority patent/WO1998007252A1/en

1998-02-18 Publication of GB2316278A publication Critical patent/GB2316278A/en

Status Withdrawn legal-status Critical Current

Classifications

- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/30—Compression, e.g. Merkle-Damgard construction
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/603—Digital right managament [DRM]

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Security & Cryptography (AREA)
Computer Networks & Wireless Communication (AREA)
Multimedia (AREA)
Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

GB9616803A 1996-08-09 1996-08-09 Data Encryption Withdrawn GB2316278A (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
GB9616803A GB2316278A (en)	1996-08-09	1996-08-09	Data Encryption
AU38567/97A AU3856797A (en)	1996-08-09	1997-08-11	Data encryption
PCT/GB1997/002138 WO1998007252A1 (en)	1996-08-09	1997-08-11	Data encryption

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9616803A GB2316278A (en)	1996-08-09	1996-08-09	Data Encryption

Publications (2)

Publication Number	Publication Date
GB9616803D0 true GB9616803D0 (en)	1996-09-25
GB2316278A GB2316278A (en)	1998-02-18

Family

ID=10798296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9616803A Withdrawn GB2316278A (en)	1996-08-09	1996-08-09	Data Encryption

Country Status (3)

Country	Link
AU (1)	AU3856797A (en)
GB (1)	GB2316278A (en)
WO (1)	WO1998007252A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6944296B1 (en) *	1999-03-24	2005-09-13	Intel Corporation	Video bit scrambling
AU2001282484A1 (en) *	2000-08-31	2002-03-13	Nds Limited	Non-standard coding systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6016083A (en) *	1983-07-07	1985-01-26	Sony Corp	Television signal transmission system
FR2608338B1 (en) *	1986-12-15	1993-09-03	Dassault Electronique	DEVICE FOR THE EXCHANGE OF CONFIDENTIAL DATA BETWEEN A SERIES OF TERMINALS AND A CONCENTRATOR
IT1272090B (en) *	1993-12-20	1997-06-11	Urmet Sud Costr Elett Telefon	ENABLING SYSTEM FOR DECODING OF TELEVISION PROGRAMS.
US5477263A (en) *	1994-05-26	1995-12-19	Bell Atlantic Network Services, Inc.	Method and apparatus for video on demand with fast forward, reverse and channel pause
US5544161A (en) *	1995-03-28	1996-08-06	Bell Atlantic Network Services, Inc.	ATM packet demultiplexer for use in full service network having distributed architecture

1996
- 1996-08-09 GB GB9616803A patent/GB2316278A/en not_active Withdrawn
1997
- 1997-08-11 AU AU38567/97A patent/AU3856797A/en not_active Abandoned
- 1997-08-11 WO PCT/GB1997/002138 patent/WO1998007252A1/en active Application Filing

Also Published As

Publication number	Publication date
AU3856797A (en)	1998-03-06
WO1998007252A1 (en)	1998-02-19
GB2316278A (en)	1998-02-18

Publication	Publication Date	Title
GB2317246B (en)	2001-08-08	Data store
GB2345370B (en)	2000-08-23	Data reader
SG79268A1 (en)	2001-03-20	Encryption intermediate system
GB2322045B (en)	2002-02-20	Data store
GB9609431D0 (en)	1996-07-10	Data processing
GB9609167D0 (en)	1996-07-03	Data entry device
GB9812836D0 (en)	1998-08-12	Data security arrangement
HK1022553A1 (en)	2000-08-11	Data management apparatus
IL126143A0 (en)	1999-05-09	Secure data broadcasting
GB9613228D0 (en)	1996-08-28	Data transmission
GB2314741B (en)	1998-06-10	Encryption apparatus
GB2312058B (en)	2000-08-09	Data buffer
GB2321160B (en)	2001-05-16	Packet data
GB9602441D0 (en)	1996-04-03	Security data use
GB9616803D0 (en)	1996-09-25	Data encryption
IL113864A0 (en)	1995-10-31	Block substitution encryption methods
AP9901571A0 (en)	1999-06-30	Cryptographic medium
ZA986026B (en)	1999-01-28	Data security
GB9727399D0 (en)	1998-02-25	Data manipulation
GB9521733D0 (en)	1996-01-03	Encryption/Decrition
GB9601568D0 (en)	1996-03-27	Case for data carrying discs
GB2355138B (en)	2001-05-30	Improved data checking
HU946U (en)	1996-11-28	Data carrying means
GB2357935B (en)	2001-08-22	Improved data checking
GB9521742D0 (en)	1996-01-03	Encryption/Decryption arrangements

Legal Events

Date	Code	Title	Description
1998-12-02	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)