FR561910A - - Google Patents
Info
- Publication number
- FR561910A FR561910A FR561910DA FR561910A FR 561910 A FR561910 A FR 561910A FR 561910D A FR561910D A FR 561910DA FR 561910 A FR561910 A FR 561910A
- Authority
- FR
- France
- 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
- G09C3/00—Typewriters for ciphering or deciphering cryptographic text
- G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
- G09C3/08—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being electrical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Pinball Game Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE193035X | 1922-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR561910A true FR561910A (ru) | 1923-10-30 |
Family
ID=5737058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR561910D Expired FR561910A (ru) | 1922-02-11 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1657411A (ru) |
| FR (1) | FR561910A (ru) |
| GB (1) | GB193035A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439497A (en) * | 1945-05-12 | 1948-04-13 | Ibm | Carriage spacing means for signalcontrolled printing apparatus |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155659A (en) * | 1940-02-05 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Printing and coding machine |
| US2877565A (en) * | 1944-08-11 | 1959-03-17 | William F Friedman | Electrical cryptograph |
| IL108645A (en) * | 1994-02-14 | 1997-09-30 | Elementrix Technologies Ltd | Protected communication method and system |
| SE502380C2 (sv) * | 1994-09-14 | 1995-10-09 | Leif Karlsson | Förfarande och anordning för att underlätta behörig och samtidigt försvåra obehörig åtkomst till ett flertal sifferkoder |
| AU2557399A (en) | 1998-01-02 | 1999-07-26 | Cryptography Research, Inc. | Leak-resistant cryptographic method and apparatus |
| US7587044B2 (en) | 1998-01-02 | 2009-09-08 | Cryptography Research, Inc. | Differential power analysis method and apparatus |
| JP2002519722A (ja) | 1998-06-03 | 2002-07-02 | クリプターグラフィー リサーチ インコーポレイテッド | スマートカードおよび他の暗号システム用の、漏洩を最小に抑える、改良ｄｅｓおよび他の暗号プロセス |
| WO2000002342A2 (en) * | 1998-07-02 | 2000-01-13 | Cryptography Research, Inc. | Leak-resistant cryptographic indexed key update |
| US6519699B2 (en) * | 1998-08-07 | 2003-02-11 | International Business Machines Corporation | Method and system for voice guided secure entry of private data in a public setting |
| US6868499B1 (en) * | 2000-06-08 | 2005-03-15 | Sun Microsystems, Inc. | Method and apparatus for password re-entry |
| US8488779B2 (en) | 2011-07-25 | 2013-07-16 | Grey Heron Technologies, Llc | Method and system for conducting high speed, symmetric stream cipher encryption |
| US11347706B2 (en) | 2015-12-31 | 2022-05-31 | Scott W. McLellan | Rotor movement control and rotor wiring for rotor-based encryption machines and electronic equivalents |
-
0
- FR FR561910D patent/FR561910A/fr not_active Expired
-
1923
- 1923-02-03 GB GB3291/23A patent/GB193035A/en not_active Expired
- 1923-02-06 US US617352A patent/US1657411A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439497A (en) * | 1945-05-12 | 1948-04-13 | Ibm | Carriage spacing means for signalcontrolled printing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB193035A (en) | 1924-07-03 |
| US1657411A (en) | 1928-01-24 |