CH491455A - Encryption and decryption device - Google Patents

Encryption and decryption device

Info

Publication number
CH491455A
CH491455A CH1784968DA CH491455A CH 491455 A CH491455 A CH 491455A CH 1784968D A CH1784968D A CH 1784968DA CH 491455 A CH491455 A CH 491455A
Authority
CH
Switzerland
Prior art keywords
encryption
decryption device
decryption
Prior art date
Application number
Other languages
French (fr)
Inventor
Vasseur Jean-Pierre
Original Assignee
Csf
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 Csf filed Critical Csf
Publication of CH491455A publication Critical patent/CH491455A/en

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
    • 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
    • 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
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Lock And Its Accessories (AREA)
CH1784968D 1965-12-15 1966-12-14 Encryption and decryption device CH491455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR42436A FR1467197A (en) 1965-12-15 1965-12-15 New encryption process

Publications (1)

Publication Number Publication Date
CH491455A true CH491455A (en) 1970-05-31

Family

ID=8595677

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1784968D CH491455A (en) 1965-12-15 1966-12-14 Encryption and decryption device

Country Status (7)

Country Link
BE (1) BE691266A (en)
CH (1) CH491455A (en)
DE (1) DE1254177C2 (en)
FR (1) FR1467197A (en)
GB (1) GB1164490A (en)
NL (1) NL150980B (en)
SE (1) SE340293B (en)

Also Published As

Publication number Publication date
NL6617645A (en) 1967-06-16
DE1254177C2 (en) 1976-01-02
GB1164490A (en) 1969-09-17
SE340293B (en) 1971-11-15
DE1254177B (en) 1967-11-16
BE691266A (en) 1967-06-15
NL150980B (en) 1976-09-15
FR1467197A (en) 1967-01-27

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Legal Events

Date Code Title Description
PL Patent ceased