FR23483E - Encryption and decryption device for telegraph system - Google Patents
Encryption and decryption device for telegraph systemInfo
- Publication number
- FR23483E FR23483E FR23483A FR23483DA FR23483E FR 23483 E FR23483 E FR 23483E FR 23483 A FR23483 A FR 23483A FR 23483D A FR23483D A FR 23483DA FR 23483 E FR23483 E FR 23483E
- Authority
- FR
- France
- Prior art keywords
- encryption
- decryption device
- telegraph system
- telegraph
- decryption
- 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
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23483XA | 1918-12-09 | 1918-12-09 | |
FR524197T | 1920-06-23 | ||
FR23483T | 1920-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR23483E true FR23483E (en) | 1921-11-30 |
Family
ID=44260166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR23483A Expired FR23483E (en) | 1918-12-09 | 1920-06-28 | Encryption and decryption device for telegraph system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR23483E (en) |
-
1920
- 1920-06-28 FR FR23483A patent/FR23483E/en not_active Expired
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