JP3499810B2 - 暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体 - Google Patents

暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体

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Publication number
JP3499810B2
JP3499810B2 JP2000210484A JP2000210484A JP3499810B2 JP 3499810 B2 JP3499810 B2 JP 3499810B2 JP 2000210484 A JP2000210484 A JP 2000210484A JP 2000210484 A JP2000210484 A JP 2000210484A JP 3499810 B2 JP3499810 B2 JP 3499810B2
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Japan
Prior art keywords
data
width
linear
processing
processing means
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Expired - Lifetime
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JP2000210484A
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English (en)
Japanese (ja)
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JP2001324924A (ja
JP2001324924A5 (enExample
Inventor
建司 大熊
博文 村谷
文彦 佐野
信一 川村
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Toshiba Corp
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Toshiba Corp
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Priority to JP2000210484A priority Critical patent/JP3499810B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to CNB011109408A priority patent/CN1322697C/zh
Priority to US09/799,028 priority patent/US7227948B2/en
Priority to DE60119410T priority patent/DE60119410T2/de
Priority to KR10-2001-0011395A priority patent/KR100415410B1/ko
Priority to EP01302065A priority patent/EP1133100B1/en
Publication of JP2001324924A publication Critical patent/JP2001324924A/ja
Application granted granted Critical
Publication of JP3499810B2 publication Critical patent/JP3499810B2/ja
Publication of JP2001324924A5 publication Critical patent/JP2001324924A5/ja
Priority to US11/261,562 priority patent/US7209556B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04L9/0631—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
    • H04L9/06—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
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Facsimile Transmission Control (AREA)
JP2000210484A 2000-03-06 2000-07-11 暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体 Expired - Lifetime JP3499810B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2000210484A JP3499810B2 (ja) 2000-03-06 2000-07-11 暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体
US09/799,028 US7227948B2 (en) 2000-03-06 2001-03-06 Encryption apparatus and method, and decryption apparatus and method based on block encryption
DE60119410T DE60119410T2 (de) 2000-03-06 2001-03-06 Vorrichtung und Verfahren zur Blockverschlüsselung und zur Entschlüsselung
KR10-2001-0011395A KR100415410B1 (ko) 2000-03-06 2001-03-06 암호화 장치 및 방법과, 연산장치 및, 복호화 장치 및 방법
CNB011109408A CN1322697C (zh) 2000-03-06 2001-03-06 加密装置与加密方法
EP01302065A EP1133100B1 (en) 2000-03-06 2001-03-06 Encryption apparatus and method, and decryption apparatus and method based on block encrytion
US11/261,562 US7209556B2 (en) 2000-03-06 2005-10-31 Encryption apparatus and method, and decryption apparatus and method based on block encryption

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000060482 2000-03-06
JP2000-60482 2000-03-06
JP2000210484A JP3499810B2 (ja) 2000-03-06 2000-07-11 暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体

Publications (3)

Publication Number Publication Date
JP2001324924A JP2001324924A (ja) 2001-11-22
JP3499810B2 true JP3499810B2 (ja) 2004-02-23
JP2001324924A5 JP2001324924A5 (enExample) 2004-08-19

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JP2000210484A Expired - Lifetime JP3499810B2 (ja) 2000-03-06 2000-07-11 暗号化装置、暗号化方法及び暗号化装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体並びに復号装置、復号方法及び復号装置としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取り可能な記録媒体

Country Status (6)

Country Link
US (2) US7227948B2 (enExample)
EP (1) EP1133100B1 (enExample)
JP (1) JP3499810B2 (enExample)
KR (1) KR100415410B1 (enExample)
CN (1) CN1322697C (enExample)
DE (1) DE60119410T2 (enExample)

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Ｔｗｏｆｉｓｈ Ａ １２８−Ｂｉｔ Ｂｌｏｃｋ Ｃｉｐｈｅｒ，１９９８年 ６月１５日，ＵＲＬ，ｈｔｔｐ：／／ｗｗｗ．ｃｏｕｎｔｅｒｐｎａｎｅ．ｃｏｍ／ｔｗｏｆｉｓｈ．ｈｔｍｌ

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Publication number Publication date
US20070058805A1 (en) 2007-03-15
EP1133100A3 (en) 2003-01-02
US7227948B2 (en) 2007-06-05
KR100415410B1 (ko) 2004-01-16
CN1312630A (zh) 2001-09-12
US7209556B2 (en) 2007-04-24
DE60119410T2 (de) 2006-11-02
EP1133100A2 (en) 2001-09-12
KR20010087344A (ko) 2001-09-15
EP1133100B1 (en) 2006-05-10
CN1322697C (zh) 2007-06-20
DE60119410D1 (de) 2006-06-14
JP2001324924A (ja) 2001-11-22
US20010024502A1 (en) 2001-09-27

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