NO892196L - Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet. - Google Patents
Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet.Info
- Publication number
- NO892196L NO892196L NO89892196A NO892196A NO892196L NO 892196 L NO892196 L NO 892196L NO 89892196 A NO89892196 A NO 89892196A NO 892196 A NO892196 A NO 892196A NO 892196 L NO892196 L NO 892196L
- Authority
- NO
- Norway
- Prior art keywords
- circuit
- signal
- encoding
- generator
- random
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 10
- 238000013478 data encryption standard Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
-
- 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
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
-
- 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
- H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20822/88A IT1217755B (it) | 1988-06-01 | 1988-06-01 | Dispositivo di cifratura e decifratura per sistemi di trasmissione ad alta velocita, |
Publications (2)
Publication Number | Publication Date |
---|---|
NO892196D0 NO892196D0 (no) | 1989-05-31 |
NO892196L true NO892196L (no) | 1989-12-04 |
Family
ID=11172567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89892196A NO892196L (no) | 1988-06-01 | 1989-05-31 | Koding- og dekodingsinnretning for transmisjonssystemer med hoey bit-hastighet. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0345845A3 (de) |
AU (1) | AU611562B2 (de) |
IT (1) | IT1217755B (de) |
NO (1) | NO892196L (de) |
ZA (1) | ZA894106B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6490353B1 (en) | 1998-11-23 | 2002-12-03 | Tan Daniel Tiong Hok | Data encrypting and decrypting apparatus and method |
US6895090B1 (en) | 1999-04-30 | 2005-05-17 | Texas Instruments Incorporated | Pseudo-noise sequence with insertion having variant length and position |
US11100236B2 (en) * | 2019-06-26 | 2021-08-24 | Seagate Technology Llc | Distributed data security |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1190809A (en) * | 1967-06-26 | 1970-05-06 | Ericsson Telefon Ab L M | Improvements in and relating to the Generation of a Pulse Code |
US4484027A (en) * | 1981-11-19 | 1984-11-20 | Communications Satellite Corporation | Security system for SSTV encryption |
DE3360921D1 (en) * | 1982-04-30 | 1985-11-07 | British Telecomm | Broadcasting encrypted signals |
JPS5941939A (ja) * | 1982-07-28 | 1984-03-08 | コミユニケ−シヨンズ・サテライト・コ−ポレ−シヨン | 通信方式 |
DE3870558D1 (de) * | 1987-09-04 | 1992-06-04 | Ascom Radiocom Ag | Verfahren zur erzeugung und verteilung von geheimschluesseln. |
-
1988
- 1988-06-01 IT IT20822/88A patent/IT1217755B/it active
-
1989
- 1989-05-19 EP EP19890201267 patent/EP0345845A3/de not_active Withdrawn
- 1989-05-24 AU AU35165/89A patent/AU611562B2/en not_active Expired - Fee Related
- 1989-05-30 ZA ZA894106A patent/ZA894106B/xx unknown
- 1989-05-31 NO NO89892196A patent/NO892196L/no unknown
Also Published As
Publication number | Publication date |
---|---|
EP0345845A3 (de) | 1991-07-31 |
ZA894106B (en) | 1990-03-28 |
AU3516589A (en) | 1989-12-07 |
AU611562B2 (en) | 1991-06-13 |
NO892196D0 (no) | 1989-05-31 |
EP0345845A2 (de) | 1989-12-13 |
IT8820822A0 (it) | 1988-06-01 |
IT1217755B (it) | 1990-03-30 |
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