CN1203431C - 公用密钥加密装置 - Google Patents

公用密钥加密装置 Download PDF

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Publication number
CN1203431C
CN1203431C CNB011431539A CN01143153A CN1203431C CN 1203431 C CN1203431 C CN 1203431C CN B011431539 A CNB011431539 A CN B011431539A CN 01143153 A CN01143153 A CN 01143153A CN 1203431 C CN1203431 C CN 1203431C
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China
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stage
round
key
extended
mentioned
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Expired - Fee Related
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CNB011431539A
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English (en)
Chinese (zh)
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CN1349182A (zh
Inventor
村谷博文
本山雅彦
大熊建司
佐野文彦
川村信一
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Toshiba Corp
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Toshiba Corp
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Publication of CN1349182A publication Critical patent/CN1349182A/zh
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    • 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
    • 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
    • H04L9/06—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
    • 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
    • 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
    • H04L2209/20—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

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  • 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)
  • Facsimile Transmission Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CNB011431539A 2000-07-12 2001-07-12 公用密钥加密装置 Expired - Fee Related CN1203431C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP211686/2000 2000-07-12
JP2000211686A JP3505482B2 (ja) 2000-07-12 2000-07-12 暗号化装置、復号装置及び拡大鍵生成装置、拡大鍵生成方法並びに記録媒体

Publications (2)

Publication Number Publication Date
CN1349182A CN1349182A (zh) 2002-05-15
CN1203431C true CN1203431C (zh) 2005-05-25

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Family Applications (1)

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CNB011431539A Expired - Fee Related CN1203431C (zh) 2000-07-12 2001-07-12 公用密钥加密装置

Country Status (6)

Country Link
US (1) US7194090B2 (https=)
EP (1) EP1172965B1 (https=)
JP (1) JP3505482B2 (https=)
KR (1) KR100435052B1 (https=)
CN (1) CN1203431C (https=)
DE (1) DE60125651D1 (https=)

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US7536560B2 (en) * 2003-04-18 2009-05-19 Via Technologies, Inc. Microprocessor apparatus and method for providing configurable cryptographic key size
US8060755B2 (en) * 2003-04-18 2011-11-15 Via Technologies, Inc Apparatus and method for providing user-generated key schedule in a microprocessor cryptographic engine
US7532722B2 (en) * 2003-04-18 2009-05-12 Ip-First, Llc Apparatus and method for performing transparent block cipher cryptographic functions
US7321910B2 (en) * 2003-04-18 2008-01-22 Ip-First, Llc Microprocessor apparatus and method for performing block cipher cryptographic functions
US7529367B2 (en) * 2003-04-18 2009-05-05 Via Technologies, Inc. Apparatus and method for performing transparent cipher feedback mode cryptographic functions
US7542566B2 (en) 2003-04-18 2009-06-02 Ip-First, Llc Apparatus and method for performing transparent cipher block chaining mode cryptographic functions
US7925891B2 (en) * 2003-04-18 2011-04-12 Via Technologies, Inc. Apparatus and method for employing cryptographic functions to generate a message digest
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US7844053B2 (en) * 2003-04-18 2010-11-30 Ip-First, Llc Microprocessor apparatus and method for performing block cipher cryptographic functions
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US10572824B2 (en) 2003-05-23 2020-02-25 Ip Reservoir, Llc System and method for low latency multi-functional pipeline with correlation logic and selectively activated/deactivated pipelined data processing engines
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JP4622222B2 (ja) 2003-09-30 2011-02-02 ソニー株式会社 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム
KR100800468B1 (ko) * 2004-01-29 2008-02-01 삼성전자주식회사 저전력 고속 동작을 위한 하드웨어 암호화/복호화 장치 및그 방법
JP2005340892A (ja) * 2004-05-24 2005-12-08 Matsushita Electric Ind Co Ltd 暗号回路
JP4561252B2 (ja) 2004-09-03 2010-10-13 ソニー株式会社 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム
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JP5163178B2 (ja) * 2008-02-25 2013-03-13 沖電気工業株式会社 暗号化鍵生成装置及び方法
CN101714904B (zh) * 2008-10-08 2012-05-09 中兴通讯股份有限公司 密钥管理系统和方法
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CN103188219A (zh) * 2011-12-28 2013-07-03 北大方正集团有限公司 一种数字版权管理方法、设备及系统
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JP6877889B2 (ja) * 2016-04-08 2021-05-26 ソニーグループ株式会社 暗号化装置、暗号化方法、復号化装置、及び復号化方法
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Also Published As

Publication number Publication date
EP1172965A3 (en) 2003-06-18
KR100435052B1 (ko) 2004-06-09
EP1172965B1 (en) 2007-01-03
DE60125651D1 (de) 2007-02-15
US20020021802A1 (en) 2002-02-21
JP3505482B2 (ja) 2004-03-08
KR20020006475A (ko) 2002-01-19
CN1349182A (zh) 2002-05-15
JP2002023622A (ja) 2002-01-23
US7194090B2 (en) 2007-03-20
EP1172965A2 (en) 2002-01-16

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Granted publication date: 20050525

Termination date: 20160712