JP2005031471A - 暗号処理装置、および暗号処理方法 - Google Patents
暗号処理装置、および暗号処理方法 Download PDFInfo
- Publication number
- JP2005031471A JP2005031471A JP2003271525A JP2003271525A JP2005031471A JP 2005031471 A JP2005031471 A JP 2005031471A JP 2003271525 A JP2003271525 A JP 2003271525A JP 2003271525 A JP2003271525 A JP 2003271525A JP 2005031471 A JP2005031471 A JP 2005031471A
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- JP
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- Prior art keywords
- data
- processing
- inverted
- bit
- data storage
- 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.)
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Classifications
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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
- H04L9/06—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
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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
- H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
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- 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
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003271525A JP2005031471A (ja) | 2003-07-07 | 2003-07-07 | 暗号処理装置、および暗号処理方法 |
| EP04254032A EP1496641A3 (en) | 2003-07-07 | 2004-07-05 | Cryptographic processing apparatus, cryptographic processing method and computer program |
| US10/885,148 US20050055596A1 (en) | 2003-07-07 | 2004-07-06 | Cryptographic processing apparatus, cryptographic processing method and computer program |
| KR1020040052549A KR20050006062A (ko) | 2003-07-07 | 2004-07-07 | 암호 처리 장치, 암호 처리 방법 및 컴퓨터 프로그램 |
| CNA2004100874666A CN1601578A (zh) | 2003-07-07 | 2004-07-07 | 密码处理装置、密码处理方法以及计算机程序 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003271525A JP2005031471A (ja) | 2003-07-07 | 2003-07-07 | 暗号処理装置、および暗号処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005031471A true JP2005031471A (ja) | 2005-02-03 |
| JP2005031471A5 JP2005031471A5 (enExample) | 2005-08-11 |
Family
ID=34209366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003271525A Pending JP2005031471A (ja) | 2003-07-07 | 2003-07-07 | 暗号処理装置、および暗号処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005031471A (enExample) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007266879A (ja) * | 2006-03-28 | 2007-10-11 | Mitsubishi Electric Corp | データ変換装置及びデータ変換方法及びデータ変換プログラム |
| JP2008271048A (ja) * | 2007-04-18 | 2008-11-06 | Mitsubishi Electric Corp | 分割テーブル作成装置及び分割テーブル作成プログラム |
| JP2010219666A (ja) * | 2009-03-13 | 2010-09-30 | Sony Corp | 暗号処理装置 |
| WO2011101994A1 (ja) * | 2010-02-22 | 2011-08-25 | 株式会社東芝 | 暗号化装置 |
| US8155317B2 (en) | 2006-11-07 | 2012-04-10 | Kabushiki Kaisha Toshiba | Encryption processing circuit and encryption processing method |
| US8457306B2 (en) | 2006-09-01 | 2013-06-04 | Kabushiki Kaisha Toshiba | Cryptographic module and IC card |
| WO2013190782A1 (ja) * | 2012-06-22 | 2013-12-27 | 日本電気株式会社 | 暗号化処理回路および復号処理回路 |
| US11838402B2 (en) | 2019-03-13 | 2023-12-05 | The Research Foundation For The State University Of New York | Ultra low power core for lightweight encryption |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10333569A (ja) * | 1997-05-30 | 1998-12-18 | Mitsubishi Electric Corp | 暗号処理装置、icカード及び暗号処理方法 |
| JP2000066585A (ja) * | 1998-08-20 | 2000-03-03 | Toshiba Corp | 暗号化・復号装置、暗号化・復号方法、およびそのプログラム記憶媒体 |
| JP2002311826A (ja) * | 2001-04-16 | 2002-10-25 | Hitachi Ltd | 暗号化・復号化装置、暗号化・復号化方法、データの暗号化方法及びicカード |
| JP2004038318A (ja) * | 2002-06-28 | 2004-02-05 | Toshiba Corp | レジスタ回路及びこれを用いた暗号演算回路 |
-
2003
- 2003-07-07 JP JP2003271525A patent/JP2005031471A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10333569A (ja) * | 1997-05-30 | 1998-12-18 | Mitsubishi Electric Corp | 暗号処理装置、icカード及び暗号処理方法 |
| JP2000066585A (ja) * | 1998-08-20 | 2000-03-03 | Toshiba Corp | 暗号化・復号装置、暗号化・復号方法、およびそのプログラム記憶媒体 |
| JP2002311826A (ja) * | 2001-04-16 | 2002-10-25 | Hitachi Ltd | 暗号化・復号化装置、暗号化・復号化方法、データの暗号化方法及びicカード |
| JP2004038318A (ja) * | 2002-06-28 | 2004-02-05 | Toshiba Corp | レジスタ回路及びこれを用いた暗号演算回路 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007266879A (ja) * | 2006-03-28 | 2007-10-11 | Mitsubishi Electric Corp | データ変換装置及びデータ変換方法及びデータ変換プログラム |
| US8457306B2 (en) | 2006-09-01 | 2013-06-04 | Kabushiki Kaisha Toshiba | Cryptographic module and IC card |
| US8155317B2 (en) | 2006-11-07 | 2012-04-10 | Kabushiki Kaisha Toshiba | Encryption processing circuit and encryption processing method |
| JP2008271048A (ja) * | 2007-04-18 | 2008-11-06 | Mitsubishi Electric Corp | 分割テーブル作成装置及び分割テーブル作成プログラム |
| JP2010219666A (ja) * | 2009-03-13 | 2010-09-30 | Sony Corp | 暗号処理装置 |
| WO2011101994A1 (ja) * | 2010-02-22 | 2011-08-25 | 株式会社東芝 | 暗号化装置 |
| JP5364840B2 (ja) * | 2010-02-22 | 2013-12-11 | 株式会社東芝 | 暗号化装置 |
| US9288040B2 (en) | 2010-02-22 | 2016-03-15 | Kabushiki Kaisha Toshiba | Encryption device |
| WO2013190782A1 (ja) * | 2012-06-22 | 2013-12-27 | 日本電気株式会社 | 暗号化処理回路および復号処理回路 |
| US11838402B2 (en) | 2019-03-13 | 2023-12-05 | The Research Foundation For The State University Of New York | Ultra low power core for lightweight encryption |
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Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050316 |
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