NL153054B - Stelsel voor het versluieren en ontsluieren van berichten. - Google Patents
Stelsel voor het versluieren en ontsluieren van berichten.Info
- Publication number
- NL153054B NL153054B NL646415006A NL6415006A NL153054B NL 153054 B NL153054 B NL 153054B NL 646415006 A NL646415006 A NL 646415006A NL 6415006 A NL6415006 A NL 6415006A NL 153054 B NL153054 B NL 153054B
- Authority
- NL
- Netherlands
- Prior art keywords
- series
- pulses
- cipher
- receiving station
- cipher pulses
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1593863A CH422047A (de) | 1963-12-24 | 1963-12-24 | Verfahren zur Synchronisierung der Ver- und Entschlüsselung von impulsförmig dargestellten Nachrichten |
US04/420,393 US4145569A (en) | 1963-12-24 | 1964-12-22 | Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6415006A NL6415006A (xx) | 1965-06-25 |
NL153054B true NL153054B (nl) | 1977-04-15 |
Family
ID=25717222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL646415006A NL153054B (nl) | 1963-12-24 | 1964-12-23 | Stelsel voor het versluieren en ontsluieren van berichten. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4145569A (xx) |
DE (1) | DE1216921C2 (xx) |
GB (1) | GB1096232A (xx) |
NL (1) | NL153054B (xx) |
SE (1) | SE326210B (xx) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1803062C1 (de) * | 1968-10-15 | 1999-02-25 | Telefunken Patent | Einrichtung zur Synchronisation von Zufallszeichengeneratoren |
CH539989A (de) * | 1971-04-19 | 1973-07-31 | Gretag Ag | Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung |
DE2631823C3 (de) * | 1976-07-15 | 1984-03-01 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zum Synchronisieren von Schlüsseleinrichtungen für Datenübertragungsanlagen |
FR2518338A1 (fr) * | 1981-12-15 | 1983-06-17 | Thomson Csf | Procede de synchronisation des postes emetteurs-recepteurs d'un reseau a sauts de frequence et poste destine a la mise en oeuvre de ce procede |
US4510579A (en) * | 1982-07-02 | 1985-04-09 | Rca Corporation | Fast correlation system |
DE3325349A1 (de) * | 1983-07-14 | 1985-01-24 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und schaltungsanordnung zur ueberwachung und wiederherstellung des synchronlaufs von datenverschluesselgeraeten |
DE3325347A1 (de) * | 1983-07-14 | 1985-01-24 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und schaltungsanordnung zur ueberwachung und wiederherstellung des synchronlaufs von datenverschluesselgeraeten |
US4998279A (en) * | 1984-11-30 | 1991-03-05 | Weiss Kenneth P | Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics |
US4885778A (en) * | 1984-11-30 | 1989-12-05 | Weiss Kenneth P | Method and apparatus for synchronizing generation of separate, free running, time dependent equipment |
US5367572A (en) * | 1984-11-30 | 1994-11-22 | Weiss Kenneth P | Method and apparatus for personal identification |
US4720860A (en) * | 1984-11-30 | 1988-01-19 | Security Dynamics Technologies, Inc. | Method and apparatus for positively identifying an individual |
DE3832946A1 (de) * | 1988-09-28 | 1990-04-05 | Siemens Ag | Verfahren zur verschluesselung digitaler zeitmultiplexsignale |
US4972474A (en) * | 1989-05-01 | 1990-11-20 | Cylink Corporation | Integer encryptor |
US5237614A (en) * | 1991-06-07 | 1993-08-17 | Security Dynamics Technologies, Inc. | Integrated network security system |
ATE200169T1 (de) * | 1992-12-30 | 2001-04-15 | Telstra Corp Ltd | Verfahren und einrichtung zur erzeugung einer chiffriersequenz |
US5612683A (en) * | 1994-08-26 | 1997-03-18 | Trempala; Dohn J. | Security key holder |
US6603857B1 (en) * | 1997-07-14 | 2003-08-05 | Entrust Technologies Limited | Method and apparatus for controlling release of time sensitive information |
DE19822685A1 (de) * | 1998-05-20 | 2000-01-27 | Deutsche Telekom Ag | Verfahren zur gesicherten Übertragung von Nachrichten |
US6985583B1 (en) | 1999-05-04 | 2006-01-10 | Rsa Security Inc. | System and method for authentication seed distribution |
US20090245516A1 (en) * | 2008-02-26 | 2009-10-01 | Pasupuleti Sureshbabu Ravikiran | Method and system for high entropy encryption using an unpredictable seed based on user regisration time |
US7363494B2 (en) * | 2001-12-04 | 2008-04-22 | Rsa Security Inc. | Method and apparatus for performing enhanced time-based authentication |
JP4490170B2 (ja) * | 2003-05-24 | 2010-06-23 | ハウニ・マシイネンバウ・アクチエンゲゼルシヤフト | 煙草加工産業の製品を製造する生産機械における照明装置と付属ランプ |
EP1849119B1 (en) * | 2005-02-18 | 2019-07-10 | EMC Corporation | Derivative seeds |
KR20220104167A (ko) * | 2019-11-22 | 2022-07-26 | 엘지전자 주식회사 | 무선 통신 시스템에서 취약한 도로 사용자의 단말이 신호를 수신하는 방법 |
CN114844574B (zh) * | 2022-07-04 | 2022-10-18 | 浙江大学湖州研究院 | 一种光纤通信***及通信方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL110769C (xx) * | 1955-01-26 | |||
CH382216A (de) * | 1960-11-07 | 1964-09-30 | Europ Handelsges Anst | Gerät zur Ver- und Entschlüsselung eines in Fernschreibersymbolen niedergelegten Textes |
-
1964
- 1964-12-09 DE DE1964G0042226 patent/DE1216921C2/de not_active Expired
- 1964-12-22 US US04/420,393 patent/US4145569A/en not_active Expired - Lifetime
- 1964-12-23 NL NL646415006A patent/NL153054B/xx not_active IP Right Cessation
- 1964-12-23 SE SE15622/64A patent/SE326210B/xx unknown
- 1964-12-24 GB GB52435/64A patent/GB1096232A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1216921C2 (de) | 1976-05-13 |
US4145569A (en) | 1979-03-20 |
NL6415006A (xx) | 1965-06-25 |
SE326210B (xx) | 1970-07-20 |
GB1096232A (en) | 1967-12-20 |
DE1216921B (de) | 1966-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: GRETAG |