DK234263A - Apparatus for encryption or decryption with at least one code element - Google Patents
Apparatus for encryption or decryption with at least one code elementInfo
- Publication number
- DK234263A DK234263A DK234263A DK234263A DK234263A DK 234263 A DK234263 A DK 234263A DK 234263 A DK234263 A DK 234263A DK 234263 A DK234263 A DK 234263A DK 234263 A DK234263 A DK 234263A
- Authority
- DK
- Denmark
- Prior art keywords
- decryption
- encryption
- code element
- code
- Prior art date
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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL278586 | 1962-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK234263A true DK234263A (en) | 1982-04-28 |
Family
ID=19753832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK234263A DK234263A (en) | 1962-05-18 | 1963-05-17 | Apparatus for encryption or decryption with at least one code element |
Country Status (4)
Country | Link |
---|---|
DK (1) | DK234263A (en) |
FR (1) | FR1589355A (en) |
GB (1) | GB1120032A (en) |
NO (1) | NO128687B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1235571A (en) * | 1969-03-05 | 1971-06-16 | Transvertex Ab | Improved ciphering machine |
US4264781A (en) * | 1979-04-16 | 1981-04-28 | Ncr Corporation | Apparatus for encoding and decoding data signals |
-
1963
- 1963-05-17 DK DK234263A patent/DK234263A/en unknown
- 1963-05-17 FR FR1589355D patent/FR1589355A/fr not_active Expired
- 1963-05-17 GB GB1983563A patent/GB1120032A/en not_active Expired
- 1963-05-18 NO NO14871563A patent/NO128687B/no unknown
Also Published As
Publication number | Publication date |
---|---|
FR1589355A (en) | 1970-03-31 |
NO128687B (en) | 1973-12-27 |
GB1120032A (en) | 1968-07-17 |
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