BRPI0715646A2 - aparelho e mÉtodo de processamento por criptografia, mÉtodo de construÇço de algoritmo de processamento por criptografia, e, programa de computador - Google Patents

aparelho e mÉtodo de processamento por criptografia, mÉtodo de construÇço de algoritmo de processamento por criptografia, e, programa de computador Download PDF

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Publication number
BRPI0715646A2
BRPI0715646A2 BRPI0715646-4A BRPI0715646A BRPI0715646A2 BR PI0715646 A2 BRPI0715646 A2 BR PI0715646A2 BR PI0715646 A BRPI0715646 A BR PI0715646A BR PI0715646 A2 BRPI0715646 A2 BR PI0715646A2
Authority
BR
Brazil
Prior art keywords
data lines
functions
cryptographic
feistel structure
leads
Prior art date
Application number
BRPI0715646-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Taizo Shirai
Kyoji Shibutani
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of BRPI0715646A2 publication Critical patent/BRPI0715646A2/pt

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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
    • 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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • 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
    • 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

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)
BRPI0715646-4A 2006-07-28 2007-07-17 aparelho e mÉtodo de processamento por criptografia, mÉtodo de construÇço de algoritmo de processamento por criptografia, e, programa de computador BRPI0715646A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2006206376 2006-07-28
JP2006-206376 2006-07-28
JP2006-224674 2006-08-21
JP2006224674A JP4882598B2 (ja) 2006-07-28 2006-08-21 暗号処理装置、暗号処理アルゴリズム構築方法、および暗号処理方法、並びにコンピュータ・プログラム
PCT/JP2007/064089 WO2008013076A1 (en) 2006-07-28 2007-07-17 Encryption processing device, method for building encryption process algorithm, encryption processing method, and computer program

Publications (1)

Publication Number Publication Date
BRPI0715646A2 true BRPI0715646A2 (pt) 2013-03-26

Family

ID=38981389

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0715646-4A BRPI0715646A2 (pt) 2006-07-28 2007-07-17 aparelho e mÉtodo de processamento por criptografia, mÉtodo de construÇço de algoritmo de processamento por criptografia, e, programa de computador

Country Status (10)

Country Link
US (1) US8295478B2 (enExample)
EP (1) EP2048641B1 (enExample)
JP (1) JP4882598B2 (enExample)
KR (1) KR101364192B1 (enExample)
CN (3) CN101496080B (enExample)
BR (1) BRPI0715646A2 (enExample)
MY (1) MY151698A (enExample)
RU (1) RU2409902C2 (enExample)
TW (1) TW200821999A (enExample)
WO (1) WO2008013076A1 (enExample)

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JP6292107B2 (ja) * 2014-12-01 2018-03-14 ソニー株式会社 暗号処理装置、および暗号処理方法、並びにプログラム
CN105763316A (zh) * 2016-02-01 2016-07-13 苏州中科启慧软件技术有限公司 基于分组密码vhf和ctr模式的轻量级流密码技术cvhf
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Also Published As

Publication number Publication date
MY151698A (en) 2014-06-30
WO2008013076A1 (en) 2008-01-31
US20100061548A1 (en) 2010-03-11
US8295478B2 (en) 2012-10-23
TW200821999A (en) 2008-05-16
CN101908958A (zh) 2010-12-08
EP2048641A1 (en) 2009-04-15
TWI340367B (enExample) 2011-04-11
CN103078734B (zh) 2016-03-09
HK1131252A1 (en) 2010-01-15
KR20090052850A (ko) 2009-05-26
JP2008051829A (ja) 2008-03-06
RU2409902C2 (ru) 2011-01-20
CN101496080B (zh) 2010-09-01
KR101364192B1 (ko) 2014-02-19
EP2048641A4 (en) 2017-04-19
CN101908958B (zh) 2014-01-29
RU2009102664A (ru) 2010-10-27
CN103078734A (zh) 2013-05-01
JP4882598B2 (ja) 2012-02-22
CN101496080A (zh) 2009-07-29
EP2048641B1 (en) 2019-05-22

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