CA960972A - Block cipher cryptographic system - Google Patents

Block cipher cryptographic system

Info

Publication number
CA960972A
CA960972A CA145,364A CA145364A CA960972A CA 960972 A CA960972 A CA 960972A CA 145364 A CA145364 A CA 145364A CA 960972 A CA960972 A CA 960972A
Authority
CA
Canada
Prior art keywords
block cipher
cryptographic system
cipher cryptographic
block
cryptographic
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
CA145,364A
Other versions
CA145364S (en
Inventor
Horst Feistel
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA960972A publication Critical patent/CA960972A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/24Key scheduling, i.e. generating round keys or sub-keys for block encryption
CA145,364A 1971-06-30 1972-06-22 Block cipher cryptographic system Expired CA960972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15836071A 1971-06-30 1971-06-30

Publications (1)

Publication Number Publication Date
CA960972A true CA960972A (en) 1975-01-14

Family

ID=22567775

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,364A Expired CA960972A (en) 1971-06-30 1972-06-22 Block cipher cryptographic system

Country Status (11)

Country Link
US (1) US3798359A (en)
JP (1) JPS5422061B1 (en)
BE (1) BE785725A (en)
CA (1) CA960972A (en)
CH (1) CH548710A (en)
DE (1) DE2231849C3 (en)
FR (1) FR2144438A5 (en)
GB (1) GB1351573A (en)
IT (1) IT953792B (en)
NL (1) NL179018C (en)
SE (1) SE383463B (en)

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Also Published As

Publication number Publication date
GB1351573A (en) 1974-05-01
FR2144438A5 (en) 1973-02-09
JPS5422061B1 (en) 1979-08-03
BE785725A (en) 1972-10-16
NL179018C (en) 1986-06-16
NL7208985A (en) 1973-01-03
SE383463B (en) 1976-03-08
DE2231849C3 (en) 1976-01-02
US3798359A (en) 1974-03-19
DE2231849B2 (en) 1975-04-03
CH548710A (en) 1974-04-30
NL179018B (en) 1986-01-16
IT953792B (en) 1973-08-10
DE2231849A1 (en) 1973-01-11

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