FR1155857A - Télescripteur à clef de chiffrement - Google Patents

Télescripteur à clef de chiffrement

Info

Publication number
FR1155857A
FR1155857A FR1155857DA FR1155857A FR 1155857 A FR1155857 A FR 1155857A FR 1155857D A FR1155857D A FR 1155857DA FR 1155857 A FR1155857 A FR 1155857A
Authority
FR
France
Prior art keywords
ticker
encryption key
encryption
key
key ticker
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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1155857A publication Critical patent/FR1155857A/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
    • G09C3/10—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 involving removable or interchangeable coding members, e.g. master tapes, punched cards
    • 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
    • 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
    • H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR1155857D 1954-12-01 1955-11-29 Télescripteur à clef de chiffrement Expired FR1155857A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE341861X 1954-12-01

Publications (1)

Publication Number Publication Date
FR1155857A true FR1155857A (fr) 1958-05-09

Family

ID=6236280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155857D Expired FR1155857A (fr) 1954-12-01 1955-11-29 Télescripteur à clef de chiffrement

Country Status (2)

Country Link
CH (1) CH341861A (fr)
FR (1) FR1155857A (fr)

Also Published As

Publication number Publication date
CH341861A (de) 1959-10-31

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