FR591950A - Cryptography device - Google Patents
Cryptography deviceInfo
- Publication number
- FR591950A FR591950A FR591950DA FR591950A FR 591950 A FR591950 A FR 591950A FR 591950D A FR591950D A FR 591950DA FR 591950 A FR591950 A FR 591950A
- Authority
- FR
- France
- Prior art keywords
- cryptography device
- cryptography
- 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 |
|---|---|---|---|
| DE591950X | 1924-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR591950A true FR591950A (en) | 1925-07-21 |
Family
ID=6573029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR591950D Expired FR591950A (en) | 1924-12-31 | 1925-01-22 | Cryptography device |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR591950A (en) |
-
1925
- 1925-01-22 FR FR591950D patent/FR591950A/en not_active Expired
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