DE60112130D1 - Vorrichtung zur datenverschlüsselung unter verwendung einer schlüsselmatrix - Google Patents

Vorrichtung zur datenverschlüsselung unter verwendung einer schlüsselmatrix

Info

Publication number
DE60112130D1
DE60112130D1 DE60112130T DE60112130T DE60112130D1 DE 60112130 D1 DE60112130 D1 DE 60112130D1 DE 60112130 T DE60112130 T DE 60112130T DE 60112130 T DE60112130 T DE 60112130T DE 60112130 D1 DE60112130 D1 DE 60112130D1
Authority
DE
Germany
Prior art keywords
encryption
plain
character
characters
key
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 - Lifetime
Application number
DE60112130T
Other languages
English (en)
Other versions
DE60112130T2 (de
Inventor
M Henson
Myron Smith
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.)
Durward D Dupre Plano Tex Us
Original Assignee
Asier Tech 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 Asier Tech Corp filed Critical Asier Tech Corp
Application granted granted Critical
Publication of DE60112130D1 publication Critical patent/DE60112130D1/de
Publication of DE60112130T2 publication Critical patent/DE60112130T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/02—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system by using a ciphering code in chart form
    • 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
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
    • 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
DE60112130T 2001-02-02 2001-05-15 Vorrichtung zur datenverschlüsselung unter verwendung einer schlüsselmatrix Expired - Lifetime DE60112130T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26640001P 2001-02-02 2001-02-02
US266400P 2001-02-02
PCT/US2001/040737 WO2002063592A2 (en) 2001-02-02 2001-05-15 Data encryption system using key matrix

Publications (2)

Publication Number Publication Date
DE60112130D1 true DE60112130D1 (de) 2005-08-25
DE60112130T2 DE60112130T2 (de) 2006-06-08

Family

ID=23014417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60112130T Expired - Lifetime DE60112130T2 (de) 2001-02-02 2001-05-15 Vorrichtung zur datenverschlüsselung unter verwendung einer schlüsselmatrix

Country Status (7)

Country Link
US (5) US6996234B2 (de)
EP (1) EP1410558B1 (de)
AT (1) ATE300134T1 (de)
AU (1) AU2001259860B2 (de)
CA (1) CA2437500C (de)
DE (1) DE60112130T2 (de)
WO (1) WO2002063592A2 (de)

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Also Published As

Publication number Publication date
CA2437500C (en) 2006-02-21
EP1410558B1 (de) 2005-07-20
US6950518B2 (en) 2005-09-27
US7016497B2 (en) 2006-03-21
DE60112130T2 (de) 2006-06-08
ATE300134T1 (de) 2005-08-15
US20020131591A1 (en) 2002-09-19
US6996234B2 (en) 2006-02-07
US20020136403A1 (en) 2002-09-26
US20020141573A1 (en) 2002-10-03
US20020141574A1 (en) 2002-10-03
EP1410558A2 (de) 2004-04-21
AU2001259860B2 (en) 2007-02-15
US7003108B2 (en) 2006-02-21
WO2002063592A2 (en) 2002-08-15
US20020131590A1 (en) 2002-09-19
CA2437500A1 (en) 2002-08-15
WO2002063592A3 (en) 2003-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DURWARD D. DUPRE, PLANO, TEX., US