FR539015A - Machine à chiffrer - Google Patents
Machine à chiffrerInfo
- Publication number
- FR539015A FR539015A FR539015DA FR539015A FR 539015 A FR539015 A FR 539015A FR 539015D A FR539015D A FR 539015DA FR 539015 A FR539015 A FR 539015A
- Authority
- FR
- France
- Prior art keywords
- encryption machine
- encryption
- machine
- 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
- G09C1/08—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 mechanical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR539015T | 1921-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR539015A true FR539015A (fr) | 1922-06-19 |
Family
ID=8928581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR539015D Expired FR539015A (fr) | 1921-08-03 | 1921-08-03 | Machine à chiffrer |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR539015A (fr) |
-
1921
- 1921-08-03 FR FR539015D patent/FR539015A/fr not_active Expired
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