FR2405532B1 - Procede et appareil de chiffrage et de dechiffrage de messages codes - Google Patents

Procede et appareil de chiffrage et de dechiffrage de messages codes

Info

Publication number
FR2405532B1
FR2405532B1 FR7828474A FR7828474A FR2405532B1 FR 2405532 B1 FR2405532 B1 FR 2405532B1 FR 7828474 A FR7828474 A FR 7828474A FR 7828474 A FR7828474 A FR 7828474A FR 2405532 B1 FR2405532 B1 FR 2405532B1
Authority
FR
France
Prior art keywords
encrypting
coded messages
deciphering
deciphering coded
messages
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
Application number
FR7828474A
Other languages
English (en)
Other versions
FR2405532A1 (fr
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.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Publication of FR2405532A1 publication Critical patent/FR2405532A1/fr
Application granted granted Critical
Publication of FR2405532B1 publication Critical patent/FR2405532B1/fr
Expired legal-status Critical Current

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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Credit Cards Or The Like (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
FR7828474A 1977-10-06 1978-10-05 Procede et appareil de chiffrage et de dechiffrage de messages codes Expired FR2405532B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/839,939 US4218582A (en) 1977-10-06 1977-10-06 Public key cryptographic apparatus and method

Publications (2)

Publication Number Publication Date
FR2405532A1 FR2405532A1 (fr) 1979-05-04
FR2405532B1 true FR2405532B1 (fr) 1985-10-11

Family

ID=25281034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828474A Expired FR2405532B1 (fr) 1977-10-06 1978-10-05 Procede et appareil de chiffrage et de dechiffrage de messages codes

Country Status (13)

Country Link
US (1) US4218582A (fr)
JP (1) JPS5950068B2 (fr)
AU (1) AU519184B2 (fr)
BE (1) BE871039A (fr)
CA (1) CA1128159A (fr)
CH (1) CH634161A5 (fr)
DE (1) DE2843583C2 (fr)
ES (1) ES474539A1 (fr)
FR (1) FR2405532B1 (fr)
GB (1) GB2006580B (fr)
IT (1) IT1099780B (fr)
NL (1) NL7810063A (fr)
SE (1) SE439225B (fr)

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DE2843583C2 (de) 1982-06-03
JPS5488703A (en) 1979-07-14
JPS5950068B2 (ja) 1984-12-06
AU4041878A (en) 1980-04-17
IT7828508A0 (it) 1978-10-06
AU519184B2 (en) 1981-11-12
CH634161A5 (fr) 1983-01-14
NL7810063A (nl) 1979-04-10
GB2006580B (en) 1982-08-18
SE439225B (sv) 1985-06-03
GB2006580A (en) 1979-05-02
CA1128159A (fr) 1982-07-20
ES474539A1 (es) 1980-04-16
SE7810478L (sv) 1979-04-07
DE2843583A1 (de) 1979-05-10
US4218582A (en) 1980-08-19
IT1099780B (it) 1985-09-28
FR2405532A1 (fr) 1979-05-04
BE871039A (fr) 1979-04-05

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