JPH0527291B2 - - Google Patents

Info

Publication number
JPH0527291B2
JPH0527291B2 JP57216709A JP21670982A JPH0527291B2 JP H0527291 B2 JPH0527291 B2 JP H0527291B2 JP 57216709 A JP57216709 A JP 57216709A JP 21670982 A JP21670982 A JP 21670982A JP H0527291 B2 JPH0527291 B2 JP H0527291B2
Authority
JP
Japan
Prior art keywords
signal
circuit
discrete
random number
conversion
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.)
Expired - Lifetime
Application number
JP57216709A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59107658A (ja
Inventor
Yoshihiko Akaiwa
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP21670982A priority Critical patent/JPS59107658A/ja
Priority to GB08332970A priority patent/GB2132857B/en
Priority to CA000442943A priority patent/CA1206528A/fr
Priority to AU22257/83A priority patent/AU561204B2/en
Publication of JPS59107658A publication Critical patent/JPS59107658A/ja
Publication of JPH0527291B2 publication Critical patent/JPH0527291B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP21670982A 1982-12-10 1982-12-10 秘話送受信装置 Granted JPS59107658A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP21670982A JPS59107658A (ja) 1982-12-10 1982-12-10 秘話送受信装置
GB08332970A GB2132857B (en) 1982-12-10 1983-12-09 Voice encryption and decryption system
CA000442943A CA1206528A (fr) 1982-12-10 1983-12-09 Systeme de chiffrement et de dechiffrement de la parole
AU22257/83A AU561204B2 (en) 1982-12-10 1983-12-09 Voice encryption and decryption system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21670982A JPS59107658A (ja) 1982-12-10 1982-12-10 秘話送受信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4052288A Division JPH0756975B2 (ja) 1992-03-11 1992-03-11 秘話受信装置

Publications (2)

Publication Number Publication Date
JPS59107658A JPS59107658A (ja) 1984-06-21
JPH0527291B2 true JPH0527291B2 (fr) 1993-04-20

Family

ID=16692686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21670982A Granted JPS59107658A (ja) 1982-12-10 1982-12-10 秘話送受信装置

Country Status (4)

Country Link
JP (1) JPS59107658A (fr)
AU (1) AU561204B2 (fr)
CA (1) CA1206528A (fr)
GB (1) GB2132857B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151886A (en) * 1983-12-21 1985-07-24 British Broadcasting Corp Conditional-access broadcast transmission
US5272755A (en) * 1991-06-28 1993-12-21 Matsushita Electric Industrial Co., Ltd. Public key cryptosystem with an elliptic curve
US5351297A (en) * 1991-06-28 1994-09-27 Matsushita Electric Industrial Co., Ltd. Method of privacy communication using elliptic curves
US5442707A (en) * 1992-09-28 1995-08-15 Matsushita Electric Industrial Co., Ltd. Method for generating and verifying electronic signatures and privacy communication using elliptic curves
US5680460A (en) * 1994-09-07 1997-10-21 Mytec Technologies, Inc. Biometric controlled key generation
US5541994A (en) * 1994-09-07 1996-07-30 Mytec Technologies Inc. Fingerprint controlled public key cryptographic system
US5712912A (en) * 1995-07-28 1998-01-27 Mytec Technologies Inc. Method and apparatus for securely handling a personal identification number or cryptographic key using biometric techniques
US5740276A (en) * 1995-07-27 1998-04-14 Mytec Technologies Inc. Holographic method for encrypting and decrypting information using a fingerprint
US6289314B1 (en) * 1996-09-18 2001-09-11 Matsushita Electric Industrial Co., Ltd. Pay information providing system for descrambling information from plural sources and rescrambling the information before sending to a terminal or terminals
DE19715644A1 (de) * 1997-04-15 1998-10-22 Iks Gmbh Information Kommunika Verfahren zur Identitätsprüfung
CA2203212A1 (fr) 1997-04-21 1998-10-21 Vijayakumar Bhagavatula Methode de codage utilisant la biometrie
KR100611955B1 (ko) * 1999-07-20 2006-08-11 삼성전자주식회사 스크램블러
US7841539B2 (en) 2007-02-15 2010-11-30 Alfred Hewton Smart card with random temporary account number generation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382101A (en) * 1976-12-27 1978-07-20 Nissin Electric Co Ltd Method of transmitting signal
JPS56143744A (en) * 1980-04-09 1981-11-09 Nec Corp Data interchanging system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052565A (en) * 1975-05-28 1977-10-04 Martin Marietta Corporation Walsh function signal scrambler
US4341925A (en) * 1978-04-28 1982-07-27 Nasa Random digital encryption secure communication system
GB2042849B (en) * 1979-02-20 1983-04-13 Payview Ltd Encoding of information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382101A (en) * 1976-12-27 1978-07-20 Nissin Electric Co Ltd Method of transmitting signal
JPS56143744A (en) * 1980-04-09 1981-11-09 Nec Corp Data interchanging system

Also Published As

Publication number Publication date
GB2132857A (en) 1984-07-11
GB8332970D0 (en) 1984-01-18
AU2225783A (en) 1984-06-14
GB2132857B (en) 1986-09-03
CA1206528A (fr) 1986-06-24
AU561204B2 (en) 1987-04-30
JPS59107658A (ja) 1984-06-21

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