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GB8619453D0 - Data encipherment - Google Patents

Data encipherment

Info

Publication number
GB8619453D0
GB8619453D0GB8619453AGB8619453AGB8619453D0GB 8619453 D0GB8619453 D0GB 8619453D0GB 8619453 AGB8619453 AGB 8619453AGB 8619453 AGB8619453 AGB 8619453AGB 8619453 D0GB8619453 D0GB 8619453D0
Authority
GB
United Kingdom
Prior art keywords
data encipherment
encipherment
data
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.)
Pending
Application number
GB8619453A
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting CorpfiledCriticalBritish Broadcasting Corp
Priority to GB8619453ApriorityCriticalpatent/GB8619453D0/en
Publication of GB8619453D0publicationCriticalpatent/GB8619453D0/en
Priority to JP62504738Aprioritypatent/JPH01500794A/en
Priority to GB8718674Aprioritypatent/GB2194419A/en
Priority to PCT/GB1987/000557prioritypatent/WO1988001119A1/en
Priority to EP19870905233prioritypatent/EP0277186A1/en
Pendinglegal-statusCriticalCurrent

Links

GB8619453A1986-08-081986-08-08Data enciphermentPendingGB8619453D0 (en)

Priority Applications (5)

Application NumberPriority DateFiling DateTitle
GB8619453AGB8619453D0 (en)1986-08-081986-08-08Data encipherment
JP62504738AJPH01500794A (en)1986-08-081987-08-06 Data encryption method
GB8718674AGB2194419A (en)1986-08-081987-08-06Data encipherment
PCT/GB1987/000557WO1988001119A1 (en)1986-08-081987-08-06Data encipherment
EP19870905233EP0277186A1 (en)1986-08-081987-08-06Data encipherment

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB8619453AGB8619453D0 (en)1986-08-081986-08-08Data encipherment

Publications (1)

Publication NumberPublication Date
GB8619453D0true GB8619453D0 (en)1986-09-17

Family

ID=10602487

Family Applications (2)

Application NumberTitlePriority DateFiling Date
GB8619453APendingGB8619453D0 (en)1986-08-081986-08-08Data encipherment
GB8718674AWithdrawnGB2194419A (en)1986-08-081987-08-06Data encipherment

Family Applications After (1)

Application NumberTitlePriority DateFiling Date
GB8718674AWithdrawnGB2194419A (en)1986-08-081987-08-06Data encipherment

Country Status (4)

CountryLink
EP (1)EP0277186A1 (en)
JP (1)JPH01500794A (en)
GB (2)GB8619453D0 (en)
WO (1)WO1988001119A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
GB2228650A (en)*1989-01-241990-08-29P C Hire LtdA data encryption device
BE1003932A6 (en)*1989-04-281992-07-22Musyck EmileCryptographic system by bit data block.
US5003597A (en)*1989-12-211991-03-26Xerox CorporationMethod and apparatus for data encryption
RU2141729C1 (en)*1998-01-191999-11-20Государственное унитарное предприятие Специализированный центр программных систем "Спектр"Method for encrypting of binary data units
RU2140710C1 (en)*1998-02-241999-10-27Государственное унитарное предприятие Специализированный центр программных систем "Спектр"Process of block ciphering of discrete data
GB2415798A (en)*2004-06-292006-01-04Farhad DalviA non-deterministic secret key cipher using bit permutations

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4275265A (en)*1978-10-021981-06-23Wisconsin Alumni Research FoundationComplete substitution permutation enciphering and deciphering circuit
FR2486680B1 (en)*1980-07-111986-07-25Trt Telecom Radio Electr METHOD AND DEVICE FOR SWITCHING ELEMENTS OF AN ASSEMBLY
SE426128B (en)*1981-04-081982-12-06Philips Svenska Ab METHOD FOR TRANSFER OF DATA MESSAGES BETWEEN TWO STATIONS, AND TRANSFER PLANT FOR EXECUTING THE METHOD
US4531020A (en)*1982-07-231985-07-23Oak Industries Inc.Multi-layer encryption system for the broadcast of encrypted information
GB2131586B (en)*1982-12-031985-11-20Burroughs CorpAutoteller systems
GB2149944A (en)*1983-11-141985-06-19Softnet IncSoftware distribution
EP0152251A3 (en)*1984-02-071986-07-30Communications Patents LimitedBroadcasting system
JPS6120442A (en)*1984-07-091986-01-29Toshiba Corp Paid broadcast system
EP0173647B1 (en)*1984-08-101988-10-26GRETAG AktiengesellschaftEnciphering/deciphering method
US4649233A (en)*1985-04-111987-03-10International Business Machines CorporationMethod for establishing user authenication with composite session keys among cryptographically communicating nodes
FR2582174B1 (en)*1985-05-151990-03-09Thomson Csf SUBSTITUTION-PERMUTATION ENCRYPTION DEVICE

Also Published As

Publication numberPublication date
GB2194419A (en)1988-03-02
WO1988001119A1 (en)1988-02-11
JPH01500794A (en)1989-03-16
GB8718674D0 (en)1987-09-09
EP0277186A1 (en)1988-08-10

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