CH411983A - Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten - Google Patents

Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten

Info

Publication number
CH411983A
CH411983A CH1278763A CH1278763A CH411983A CH 411983 A CH411983 A CH 411983A CH 1278763 A CH1278763 A CH 1278763A CH 1278763 A CH1278763 A CH 1278763A CH 411983 A CH411983 A CH 411983A
Authority
CH
Switzerland
Prior art keywords
decrypting
encrypting
pulse
messages
shaped
Prior art date
Application number
CH1278763A
Other languages
English (en)
Inventor
Kurt Dipl Ing Ehrat
Original Assignee
Gretag Ag
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 Gretag Ag filed Critical Gretag Ag
Priority to CH1278763A priority Critical patent/CH411983A/de
Priority to DEG41319A priority patent/DE1207426B/de
Priority to NL6411267A priority patent/NL6411267A/xx
Priority to FR990387A priority patent/FR1414132A/fr
Priority to US05/401,795 priority patent/US4145568A/en
Priority to GB42385/64A priority patent/GB1062130A/en
Publication of CH411983A publication Critical patent/CH411983A/de

Links

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
    • H04L9/12—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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Lock And Its Accessories (AREA)
  • Small-Scale Networks (AREA)
CH1278763A 1963-10-18 1963-10-18 Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten CH411983A (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1278763A CH411983A (de) 1963-10-18 1963-10-18 Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten
DEG41319A DE1207426B (de) 1963-10-18 1964-08-12 Verfahren zum Ver- und Entschluesseln von impulsfoermigen Nachrichten
NL6411267A NL6411267A (de) 1963-10-18 1964-09-28
FR990387A FR1414132A (fr) 1963-10-18 1964-10-05 Procédé de chiffrage de messages transmis sous forme d'impulsions
US05/401,795 US4145568A (en) 1963-10-18 1964-10-06 Method and apparatus for ciphering and deciphering messages
GB42385/64A GB1062130A (en) 1963-10-18 1964-10-16 Method and apparatus for ciphering and deciphering messages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1278763A CH411983A (de) 1963-10-18 1963-10-18 Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten

Publications (1)

Publication Number Publication Date
CH411983A true CH411983A (de) 1966-04-30

Family

ID=4386392

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1278763A CH411983A (de) 1963-10-18 1963-10-18 Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten

Country Status (5)

Country Link
US (1) US4145568A (de)
CH (1) CH411983A (de)
DE (1) DE1207426B (de)
GB (1) GB1062130A (de)
NL (1) NL6411267A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033014A1 (de) * 1980-02-04 1981-08-05 ANT Nachrichtentechnik GmbH System zur Ver- und Entschlüsselung von Daten

Families Citing this family (52)

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DE1487726C1 (de) * 1966-11-12 1992-12-10 Telefunken Patent Verfahren zur Synchronisierung der Schluesselgeneratoren in Chiffriersystemen
FR2059171A5 (de) * 1969-08-25 1971-05-28 Smiths Industries Ltd
US4310720A (en) * 1978-03-31 1982-01-12 Pitney Bowes Inc. Computer accessing system
ATE4762T1 (de) * 1979-06-08 1983-10-15 Gretag Aktiengesellschaft Vorrichtung zur chiffrierten uebermittlung von nachrichten.
EP0024308A1 (de) * 1979-08-17 1981-03-04 Crypto Aktiengesellschaft Verfahren und Vorrichtung zur Ver- und Entschlüsselung von Informationen
DE3150254A1 (de) * 1981-04-13 1983-07-14 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur verschluesselten digitalen informationsuebertragung
DE3123168C1 (de) * 1981-06-11 1982-11-04 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Schluesseluebertragung
FR2514592A1 (fr) * 1981-10-12 1983-04-15 Widmer Michel Procede et dispositif de consultation de fichiers de donnees et/ou de transactions bancaires, preserves des fraudes grace a un procede de communication code par variable aleatoire
US4661980A (en) * 1982-06-25 1987-04-28 The United States Of America As Represented By The Secretary Of The Navy Intercept resistant data transmission system
US4691355A (en) * 1984-11-09 1987-09-01 Pirmasafe, Inc. Interactive security control system for computer communications and the like
US4694492A (en) * 1984-11-09 1987-09-15 Pirmasafe, Inc. Computer communications security control system
US5168520A (en) * 1984-11-30 1992-12-01 Security Dynamics Technologies, Inc. Method and apparatus for personal identification
US4885778A (en) * 1984-11-30 1989-12-05 Weiss Kenneth P Method and apparatus for synchronizing generation of separate, free running, time dependent equipment
US4720860A (en) * 1984-11-30 1988-01-19 Security Dynamics Technologies, Inc. Method and apparatus for positively identifying an individual
US5367572A (en) * 1984-11-30 1994-11-22 Weiss Kenneth P Method and apparatus for personal identification
US4998279A (en) * 1984-11-30 1991-03-05 Weiss Kenneth P Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics
US4800590A (en) * 1985-01-14 1989-01-24 Willis E. Higgins Computer key and computer lock system
JPH0683202B2 (ja) * 1985-06-25 1994-10-19 日本電気株式会社 デ−タ符号化／復号化装置
US4980913A (en) * 1988-04-19 1990-12-25 Vindicator Corporation Security system network
US4972474A (en) * 1989-05-01 1990-11-20 Cylink Corporation Integer encryptor
CA2088371C (en) * 1990-08-02 1998-08-11 Stuart Alan Haber Method for secure time-stamping of digital documents
US5136646A (en) * 1991-03-08 1992-08-04 Bell Communications Research, Inc. Digital document time-stamping with catenate certificate
US5136647A (en) * 1990-08-02 1992-08-04 Bell Communications Research, Inc. Method for secure time-stamping of digital documents
US5237614A (en) * 1991-06-07 1993-08-17 Security Dynamics Technologies, Inc. Integrated network security system
US5208853A (en) * 1991-09-09 1993-05-04 Motorola, Inc. Method and apparatus for usage protection of data files using split key and unique variable
US5293576A (en) * 1991-11-21 1994-03-08 Motorola, Inc. Command authentication process
US5361062A (en) * 1992-11-25 1994-11-01 Security Dynamics Technologies, Inc. Personal security system
FI953232L (fi) * 1992-12-30 1995-06-29 Telstra Corp Ltd Menetelmä ja laite koodijonon muodostamiseksi
US5414771A (en) * 1993-07-13 1995-05-09 Mrj, Inc. System and method for the creation of random sequences and for the cryptographic protection of communications
US5612683A (en) * 1994-08-26 1997-03-18 Trempala; Dohn J. Security key holder
US7212632B2 (en) 1998-02-13 2007-05-01 Tecsec, Inc. Cryptographic key split combiner
US6885747B1 (en) 1997-02-13 2005-04-26 Tec.Sec, Inc. Cryptographic key split combiner
US6694433B1 (en) * 1997-05-08 2004-02-17 Tecsec, Inc. XML encryption scheme
US7095852B2 (en) 1998-02-13 2006-08-22 Tecsec, Inc. Cryptographic key split binder for use with tagged data elements
US8077870B2 (en) * 1998-02-13 2011-12-13 Tecsec, Inc. Cryptographic key split binder for use with tagged data elements
US7079653B2 (en) * 1998-02-13 2006-07-18 Tecsec, Inc. Cryptographic key split binding process and apparatus
US7111173B1 (en) 1998-09-01 2006-09-19 Tecsec, Inc. Encryption process including a biometric unit
US6684330B1 (en) 1998-10-16 2004-01-27 Tecsec, Inc. Cryptographic information and flow control
WO2000051286A1 (en) * 1999-02-26 2000-08-31 Bitwise Designs, Inc. Digital file management and imaging system and method including secure file marking
WO2000052690A1 (en) * 1999-02-26 2000-09-08 Hitachi, Ltd. Digital signal recorder, reproducer and recording medium
US7095851B1 (en) 1999-03-11 2006-08-22 Tecsec, Inc. Voice and data encryption method using a cryptographic key split combiner
AU3759600A (en) * 1999-03-17 2000-10-04 Charles E. II Moore Internet, intranet and other network communication security systems utilizing entrance and exit keys
US6985583B1 (en) * 1999-05-04 2006-01-10 Rsa Security Inc. System and method for authentication seed distribution
US7394866B2 (en) * 2000-10-10 2008-07-01 Freescale Semiconductor, Inc. Ultra wideband communication system, method, and device with low noise pulse formation
JP2005502129A (ja) * 2001-08-31 2005-01-20 トラック メディカル ソリューションズ インコーポレイテッド フォームドキュメントの対話型処理のためのシステム
US7363494B2 (en) * 2001-12-04 2008-04-22 Rsa Security Inc. Method and apparatus for performing enhanced time-based authentication
DE10311634A1 (de) * 2003-03-14 2004-09-30 Authentidate International Ag Elektronisches Übermitteln von Dokumenten
DE10332094A1 (de) 2003-07-15 2005-03-10 Fujitsu Siemens Computers Gmbh Verschlüsselungssystem und Verfahren zur Ver-/Entschlüsselung sensibler Daten
DE102004010666B4 (de) 2004-03-04 2006-02-02 Infineon Technologies Ag Schlüsselbitstromerzeugung
EP1610490A1 (de) * 2004-06-21 2005-12-28 France Telecom Verfahren und Gerät zum Verschlüsseln oder Entschlüsseln von Daten
WO2006089101A2 (en) * 2005-02-18 2006-08-24 Rsa Security Inc. Derivative seeds
AT510730B1 (de) * 2010-12-02 2013-06-15 Rene-Michael Mag Cordes Verfahren und vorrichtung zur durchführung einer symmetrischen stromverschlüsselung von daten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033014A1 (de) * 1980-02-04 1981-08-05 ANT Nachrichtentechnik GmbH System zur Ver- und Entschlüsselung von Daten

Also Published As

Publication number Publication date
NL6411267A (de) 1965-04-20
DE1207426B (de) 1965-12-23
GB1062130A (en) 1967-03-15
US4145568A (en) 1979-03-20

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