IT1055305B - Apparecchiatura di cifratura perfezionata - Google Patents

Apparecchiatura di cifratura perfezionata

Info

Publication number
IT1055305B
IT1055305B IT20231/76A IT2023176A IT1055305B IT 1055305 B IT1055305 B IT 1055305B IT 20231/76 A IT20231/76 A IT 20231/76A IT 2023176 A IT2023176 A IT 2023176A IT 1055305 B IT1055305 B IT 1055305B
Authority
IT
Italy
Prior art keywords
perfected
encryption equipment
encryption
equipment
perfected encryption
Prior art date
Application number
IT20231/76A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1055305B publication Critical patent/IT1055305B/it

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
    • H04L9/06—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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • 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
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
    • 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
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
IT20231/76A 1975-02-24 1976-02-17 Apparecchiatura di cifratura perfezionata IT1055305B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/552,684 US3962539A (en) 1975-02-24 1975-02-24 Product block cipher system for data security

Publications (1)

Publication Number Publication Date
IT1055305B true IT1055305B (it) 1981-12-21

Family

ID=24206352

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20231/76A IT1055305B (it) 1975-02-24 1976-02-17 Apparecchiatura di cifratura perfezionata

Country Status (5)

Country Link
US (1) US3962539A (it)
JP (1) JPS5945269B2 (it)
CA (1) CA1046942A (it)
GB (1) GB1480858A (it)
IT (1) IT1055305B (it)

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US3798360A (en) * 1971-06-30 1974-03-19 Ibm Step code ciphering system

Also Published As

Publication number Publication date
JPS5945269B2 (ja) 1984-11-05
JPS51108701A (it) 1976-09-27
GB1480858A (en) 1977-07-27
US3962539A (en) 1976-06-08
CA1046942A (en) 1979-01-23

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