BR7701772A - UNIT FOR DATA PROCESSING, ESPECIALLY UNIT FOR Cipher, WITH AT LEAST ONE PROGRAMMABLE AND CONNECTABLE MEMORY - Google Patents

UNIT FOR DATA PROCESSING, ESPECIALLY UNIT FOR Cipher, WITH AT LEAST ONE PROGRAMMABLE AND CONNECTABLE MEMORY

Info

Publication number
BR7701772A
BR7701772A BR7701772A BR7701772A BR7701772A BR 7701772 A BR7701772 A BR 7701772A BR 7701772 A BR7701772 A BR 7701772A BR 7701772 A BR7701772 A BR 7701772A BR 7701772 A BR7701772 A BR 7701772A
Authority
BR
Brazil
Prior art keywords
unit
cipher
programmable
data processing
connectable memory
Prior art date
Application number
BR7701772A
Other languages
Portuguese (pt)
Inventor
P Frutiger
Original Assignee
Europ Handelsges Anst
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
Priority claimed from CH367076A external-priority patent/CH577216A5/en
Application filed by Europ Handelsges Anst filed Critical Europ Handelsges Anst
Publication of BR7701772A publication Critical patent/BR7701772A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Stored Programmes (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR7701772A 1976-03-24 1977-03-23 UNIT FOR DATA PROCESSING, ESPECIALLY UNIT FOR Cipher, WITH AT LEAST ONE PROGRAMMABLE AND CONNECTABLE MEMORY BR7701772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH367076A CH577216A5 (en) 1973-05-30 1976-03-24 Data processing device especially for closure - has programmable store with interconnected elements controlled by relay switches

Publications (1)

Publication Number Publication Date
BR7701772A true BR7701772A (en) 1977-11-29

Family

ID=4260980

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701772A BR7701772A (en) 1976-03-24 1977-03-23 UNIT FOR DATA PROCESSING, ESPECIALLY UNIT FOR Cipher, WITH AT LEAST ONE PROGRAMMABLE AND CONNECTABLE MEMORY

Country Status (13)

Country Link
JP (1) JPS52132643A (en)
AT (1) AT375487B (en)
BE (1) BE852779R (en)
BR (1) BR7701772A (en)
DE (1) DE2707690A1 (en)
DK (1) DK128377A (en)
ES (1) ES456856A1 (en)
FI (1) FI770936A (en)
FR (1) FR2345765A2 (en)
GB (1) GB1579238A (en)
NL (1) NL7702344A (en)
NO (1) NO771003L (en)
SE (1) SE435768B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1499433A1 (en) * 1965-08-12 1969-10-16 Siemens Ag Erasable data carrier
US3399473A (en) * 1966-06-13 1968-09-03 Jaffe Nissen Asher Combination credit card
CA1004362A (en) * 1972-04-11 1977-01-25 Gretag Aktiengesellschaft System for the individual identification of a plurality of individuals

Also Published As

Publication number Publication date
FR2345765B2 (en) 1983-10-28
NL7702344A (en) 1977-09-27
DE2707690A1 (en) 1977-09-29
BE852779R (en) 1977-07-18
SE435768B (en) 1984-10-15
FR2345765A2 (en) 1977-10-21
ATA737576A (en) 1983-12-15
ES456856A1 (en) 1978-03-01
SE7703295L (en) 1977-09-25
FI770936A (en) 1977-09-25
NO771003L (en) 1977-09-27
AT375487B (en) 1984-08-10
GB1579238A (en) 1980-11-19
DK128377A (en) 1977-09-25
JPS52132643A (en) 1977-11-07

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