ATE269614T1 - Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung - Google Patents
Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelungInfo
- Publication number
- ATE269614T1 ATE269614T1 AT95200632T AT95200632T ATE269614T1 AT E269614 T1 ATE269614 T1 AT E269614T1 AT 95200632 T AT95200632 T AT 95200632T AT 95200632 T AT95200632 T AT 95200632T AT E269614 T1 ATE269614 T1 AT E269614T1
- Authority
- AT
- Austria
- Prior art keywords
- cryptographic
- processing
- starting value
- data packets
- basis
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- 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
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5672—Multiplexing, e.g. coding, scrambling
- H04L2012/5673—Coding or scrambling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5687—Security aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Storage Device Security (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9400428A NL9400428A (nl) | 1994-03-18 | 1994-03-18 | Inrichting voor het cryptografisch bewerken van datapakketten, alsmede werkwijze voor het genereren van cryptografische bewerkingsdata. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE269614T1 true ATE269614T1 (de) | 2004-07-15 |
Family
ID=19863961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95200632T ATE269614T1 (de) | 1994-03-18 | 1995-03-15 | Kryptografische datenverarbeitung unter verwendung einer kaskadierung kryptografischer elemente in einer rückkoppelung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5809147A (de) |
EP (1) | EP0673133B1 (de) |
AT (1) | ATE269614T1 (de) |
CA (1) | CA2144831C (de) |
DE (1) | DE69533147T2 (de) |
ES (1) | ES2223047T3 (de) |
NL (1) | NL9400428A (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19514084C1 (de) * | 1995-04-13 | 1996-07-11 | Siemens Ag | Verfahren zum rechnergestützten Austausch kryptographischer Schlüssel zwischen einer Benutzercomputereinheit U und einer Netzcomputereinheit N |
US6020189A (en) * | 1996-08-30 | 2000-02-01 | The Johns Hopkins University School Of Medicine | Fibroblast growth factor homologous factors (FHFs) and methods of use |
US5960088A (en) * | 1996-10-15 | 1999-09-28 | Fore Systems, Inc. | Method and apparatus for secure transmission of ATM cells |
WO1999014979A1 (en) * | 1997-09-15 | 1999-03-25 | Celotek Corporation | Cryptographic system for public atm/sonet communication system with virtual circuit lookup and pipelined data encryption and decryption |
CA2347176A1 (en) | 1998-10-23 | 2000-05-04 | L-3 Communications Corporation | Apparatus and methods for managing key material in heterogeneous cryptographic assets |
WO2000025476A1 (en) * | 1998-10-28 | 2000-05-04 | L-3 Communications Corporation | Apparatus and methods for cryptographic synchronization in packet based communications |
DE19901666A1 (de) * | 1999-01-18 | 2000-07-20 | Deutsche Telekom Ag | Einrichtung und Verfahren zur Synchronisation von Stromchiffrierern in ATM-Netzen |
US6697489B1 (en) | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
US7730300B2 (en) | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
US7600131B1 (en) | 1999-07-08 | 2009-10-06 | Broadcom Corporation | Distributed processing in a cryptography acceleration chip |
US7039614B1 (en) | 1999-11-09 | 2006-05-02 | Sony Corporation | Method for simulcrypting scrambled data to a plurality of conditional access devices |
US7225164B1 (en) | 2000-02-15 | 2007-05-29 | Sony Corporation | Method and apparatus for implementing revocation in broadcast networks |
US7362863B2 (en) * | 2000-05-01 | 2008-04-22 | International Business Machines Corporation | DES hardware throughput for short operations |
JP2002208923A (ja) | 2001-01-11 | 2002-07-26 | Oki Electric Ind Co Ltd | 間欠信号の暗号化伝送システム |
US7739497B1 (en) * | 2001-03-21 | 2010-06-15 | Verizon Corporate Services Group Inc. | Method and apparatus for anonymous IP datagram exchange using dynamic network address translation |
US7895616B2 (en) | 2001-06-06 | 2011-02-22 | Sony Corporation | Reconstitution of program streams split across multiple packet identifiers |
US7151831B2 (en) | 2001-06-06 | 2006-12-19 | Sony Corporation | Partial encryption and PID mapping |
US7747853B2 (en) | 2001-06-06 | 2010-06-29 | Sony Corporation | IP delivery of secure digital content |
US7823174B2 (en) | 2002-01-02 | 2010-10-26 | Sony Corporation | Macro-block based content replacement by PID mapping |
US7242773B2 (en) * | 2002-09-09 | 2007-07-10 | Sony Corporation | Multiple partial encryption using retuning |
US7765567B2 (en) | 2002-01-02 | 2010-07-27 | Sony Corporation | Content replacement by PID mapping |
US7039938B2 (en) | 2002-01-02 | 2006-05-02 | Sony Corporation | Selective encryption for video on demand |
US8818896B2 (en) | 2002-09-09 | 2014-08-26 | Sony Corporation | Selective encryption with coverage encryption |
US20040088539A1 (en) * | 2002-11-01 | 2004-05-06 | Infante Steven D. | System and method for securing digital messages |
US7724907B2 (en) | 2002-11-05 | 2010-05-25 | Sony Corporation | Mechanism for protecting the transfer of digital content |
US8572408B2 (en) | 2002-11-05 | 2013-10-29 | Sony Corporation | Digital rights management of a digital device |
US8645988B2 (en) | 2002-12-13 | 2014-02-04 | Sony Corporation | Content personalization for digital content |
US8667525B2 (en) | 2002-12-13 | 2014-03-04 | Sony Corporation | Targeted advertisement selection from a digital stream |
US20040123120A1 (en) * | 2002-12-18 | 2004-06-24 | Broadcom Corporation | Cryptography accelerator input interface data handling |
US7568110B2 (en) | 2002-12-18 | 2009-07-28 | Broadcom Corporation | Cryptography accelerator interface decoupling from cryptography processing cores |
US7853980B2 (en) | 2003-10-31 | 2010-12-14 | Sony Corporation | Bi-directional indices for trick mode video-on-demand |
US7895617B2 (en) | 2004-12-15 | 2011-02-22 | Sony Corporation | Content substitution editor |
US8041190B2 (en) | 2004-12-15 | 2011-10-18 | Sony Corporation | System and method for the creation, synchronization and delivery of alternate content |
CN100570132C (zh) | 2005-03-31 | 2009-12-16 | 丰田自动车株式会社 | 发动机的控制装置 |
US7715563B2 (en) * | 2006-02-16 | 2010-05-11 | General Dynamics C4 Systems, Inc. | Rapid acquisition of state vectors in an encrypted data communication system |
US8185921B2 (en) | 2006-02-28 | 2012-05-22 | Sony Corporation | Parental control of displayed content using closed captioning |
US7917747B2 (en) * | 2007-03-22 | 2011-03-29 | Igt | Multi-party encryption systems and methods |
US9893999B2 (en) | 2013-11-26 | 2018-02-13 | Macom Connectivity Solutions, Llc | Multiple datastreams processing by fragment-based timeslicing |
US9781039B2 (en) * | 2013-12-06 | 2017-10-03 | Macom Connectivity Solutions, Llc | Times-sliced design segmentation |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160120A (en) * | 1977-11-17 | 1979-07-03 | Burroughs Corporation | Link encryption device |
US4159468A (en) * | 1977-11-17 | 1979-06-26 | Burroughs Corporation | Communications line authentication device |
US4471164A (en) * | 1981-10-13 | 1984-09-11 | At&T Bell Laboratories | Stream cipher operation using public key cryptosystem |
SE447859B (sv) * | 1984-12-10 | 1986-12-15 | Datakonsult I Malmo Ab | Krypteringsanordning samt dekrypteringsanordning |
US4791669A (en) * | 1985-11-30 | 1988-12-13 | Nec Corporation | Encryption/decryption system |
ATE83106T1 (de) * | 1986-06-09 | 1992-12-15 | Securicrypto Ab | Einrichtung zur verschluesselung und zur entschluesselung. |
US4815130A (en) * | 1986-10-03 | 1989-03-21 | Communications Satellite Corporation | Stream cipher system with feedback |
US5016275A (en) * | 1988-10-28 | 1991-05-14 | International Business Machines Corporation | Buffered encryption/decryption |
US5048087A (en) * | 1989-02-03 | 1991-09-10 | Racal Data Communications Inc. | Key management for encrypted packet based networks |
US5195136A (en) * | 1991-09-30 | 1993-03-16 | Motorola, Inc. | Method and apparatus for data encryption or decryption |
JPH0812537B2 (ja) * | 1993-03-11 | 1996-02-07 | 日本電気株式会社 | 暗号化装置 |
US5365588A (en) * | 1993-03-12 | 1994-11-15 | Hughes Aircraft Company | High speed encryption system and method |
US5483598A (en) * | 1993-07-01 | 1996-01-09 | Digital Equipment Corp., Patent Law Group | Message encryption using a hash function |
US5381480A (en) * | 1993-09-20 | 1995-01-10 | International Business Machines Corporation | System for translating encrypted data |
US5425103A (en) * | 1994-03-14 | 1995-06-13 | Shaw; William Y. | Variable-key cryptography system |
-
1994
- 1994-03-18 NL NL9400428A patent/NL9400428A/nl not_active Application Discontinuation
-
1995
- 1995-03-15 DE DE69533147T patent/DE69533147T2/de not_active Expired - Lifetime
- 1995-03-15 ES ES95200632T patent/ES2223047T3/es not_active Expired - Lifetime
- 1995-03-15 EP EP95200632A patent/EP0673133B1/de not_active Expired - Lifetime
- 1995-03-15 AT AT95200632T patent/ATE269614T1/de not_active IP Right Cessation
- 1995-03-16 CA CA002144831A patent/CA2144831C/en not_active Expired - Fee Related
-
1997
- 1997-08-14 US US08/911,543 patent/US5809147A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0673133B1 (de) | 2004-06-16 |
NL9400428A (nl) | 1995-11-01 |
DE69533147T2 (de) | 2005-07-21 |
EP0673133A1 (de) | 1995-09-20 |
CA2144831C (en) | 1998-10-06 |
DE69533147D1 (de) | 2004-07-22 |
CA2144831A1 (en) | 1995-09-19 |
US5809147A (en) | 1998-09-15 |
ES2223047T3 (es) | 2005-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |