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
Application number
Other languages
French (fr)
Priority date (The priority date 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 date listed.)
Publication date
Application granted granted Critical
Publication of FR561910A publication Critical patent/FR561910A/fr
Expired legal-status Critical Current

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)
FR561910D 1922-02-11 Expired FR561910A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE193035X 1922-02-11

Publications (1)

Publication Number Publication Date
FR561910A true FR561910A (ja) 1923-10-30

Family

ID=5737058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR561910D Expired FR561910A (ja) 1922-02-11

Country Status (3)

Country Link
US (1) US1657411A (ja)
FR (1) FR561910A (ja)
GB (1) GB193035A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE69834431T3 (de) * 1998-01-02 2009-09-10 Cryptography Research Inc., San Francisco Leckresistentes kryptographisches verfahren und vorrichtung
US7587044B2 (en) 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
IL139935A (en) * 1998-06-03 2005-06-19 Cryptography Res Inc Des and other cryptographic processes with leak minimization for smartcards and other cryptosystems
US6539092B1 (en) 1998-07-02 2003-03-25 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

Cited By (1)

* Cited by examiner, † Cited by third party
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
US1657411A (en) 1928-01-24
GB193035A (en) 1924-07-03

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