FR1084433A - Appareil cryptographique - Google Patents
Appareil cryptographiqueInfo
- Publication number
- FR1084433A FR1084433A FR1084433DA FR1084433A FR 1084433 A FR1084433 A FR 1084433A FR 1084433D A FR1084433D A FR 1084433DA FR 1084433 A FR1084433 A FR 1084433A
- Authority
- FR
- France
- Prior art keywords
- cryptographic device
- cryptographic
- 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
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
- G09C1/06—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
- G09C1/10—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical
- G09C1/12—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical comprising contact-bearing permutation discs
-
- 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
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
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)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2785224X | 1952-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1084433A true FR1084433A (fr) | 1955-01-19 |
Family
ID=4571775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1084433D Expired FR1084433A (fr) | 1952-08-19 | 1953-07-28 | Appareil cryptographique |
Country Status (5)
Country | Link |
---|---|
US (1) | US2785224A (fr) |
BE (1) | BE522193A (fr) |
CH (1) | CH305146A (fr) |
FR (1) | FR1084433A (fr) |
NL (2) | NL180295B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1074630B (de) * | 1955-01-26 | 1960-02-04 | Fa Dr Ing Rudolf Hell, Kiel-Dietnchsdorf | Verfahren und Vorrichtung zur Herstellung von verlängerten Schlusselstreifen sehr langer Periode fur Mischgerate zum Ver und Entschlüsseln |
US2964743A (en) * | 1957-11-29 | 1960-12-13 | Ncr Co | Programming devices |
BE564821A (fr) * | 1958-02-14 | 1958-08-14 | Acec | Dispositif chiffrant et déchiffrant pour téléimprimeur |
DE977715C (de) * | 1962-05-18 | 1968-08-29 | Philips Usfa Nv | Verschluesselungseinrichtung |
US3319000A (en) * | 1965-09-16 | 1967-05-09 | Alfred M Roberts | Ciphering device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE381441A (fr) * | 1930-07-18 | |||
US2402182A (en) * | 1943-01-07 | 1946-06-18 | Rosen Leo | Rotor |
US2458406A (en) * | 1945-09-28 | 1949-01-04 | Ibm | Ciphering and checking device |
US2522461A (en) * | 1946-10-10 | 1950-09-12 | Teletype Corp | Mechanical chain linkage system for mechanical ciphering units |
DE885563C (de) * | 1951-05-08 | 1953-08-06 | Rudolf Dr-Ing Hell | Verschluesselungsmaschine |
-
0
- NL NL98390D patent/NL98390C/xx active
- NL NLAANVRAGE7703246,B patent/NL180295B/xx unknown
- BE BE522193D patent/BE522193A/xx unknown
-
1952
- 1952-08-19 CH CH305146D patent/CH305146A/de unknown
-
1953
- 1953-07-28 FR FR1084433D patent/FR1084433A/fr not_active Expired
- 1953-08-17 US US374469A patent/US2785224A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH305146A (de) | 1955-02-15 |
US2785224A (en) | 1957-03-12 |
NL180295B (nl) | |
BE522193A (fr) | |
NL98390C (fr) |
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