JP4986206B2 - 暗号処理方法及び暗号処理装置 - Google Patents
暗号処理方法及び暗号処理装置 Download PDFInfo
- Publication number
- JP4986206B2 JP4986206B2 JP2006045289A JP2006045289A JP4986206B2 JP 4986206 B2 JP4986206 B2 JP 4986206B2 JP 2006045289 A JP2006045289 A JP 2006045289A JP 2006045289 A JP2006045289 A JP 2006045289A JP 4986206 B2 JP4986206 B2 JP 4986206B2
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- JP
- Japan
- Prior art keywords
- logic circuit
- cryptographic
- logic
- configuration information
- cryptographic processing
- 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 - Fee Related
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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
-
- 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]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
- G06F21/755—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation with measures against power attack
-
- 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
-
- 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
- H04L2209/122—Hardware reduction or efficient architectures
Description
上記計算方法においては、実行時に二つのパラメータd, yが用いられる。dはガロア体GF(28)の任意の元、yはGF(28)の0でない任意の値であり、それらを「マスク項」と称する。
2 CPU
3 再構成可能論理回路
4 乱数生成器
5 IOインタフェース
6 RAM
7 ROM
8 EEPROM
9 システムバス
20,21 通信装置
22 通信制御装置
24 入出力装置
Claims (8)
- 暗号処理を実行するための論理をプログラマブルに設定可能な論理回路と、
同一の暗号処理アルゴリズムに対応する複数の論理を選択的に上記論理回路に設定するCPUと、
マスク付き演算回路の論理構成情報を記憶するメモリと、を含み、
上記論理回路に設定される論理には、マスク項を導入した演算を実現するマスク付き演算回路が含まれ、
上記CPUは、上記メモリの記憶情報を取り込んで、上記マスク付き演算回路における上記マスク項を選択されたマスク値に固定して簡約化する処理を実行し、その処理結果に基づいて上記論理回路での論理を構成することを特徴とする暗号処理装置。 - 上記CPUは、上記論理回路で暗号処理が行われる前に、上記メモリの論理構成情報に基づいて、同一の暗号処理アルゴリズムに対応する複数の論理を選択的に上記論理回路に設定する請求項1記載の暗号処理装置。
- 上記CPUは、上記論理回路で暗号処理が行われる前に、上記論理回路での暗号処理手順、又は上記論理回路での暗号処理の実行タイミング、若しくは上記論理回路での暗号処理に伴う消費電力が互いに異なる複数の論理構成情報に基づいて、同一の暗号処理アルゴリズムに対応する複数の論理を選択的に上記論理回路に設定する請求項1記載の暗号処理装置。
- 上記複数の論理構成情報は、上記CPUの演算処理によって求められた構成情報を含む請求項1記載の暗号処理装置。
- 上記複数の論理構成情報は、暗号化されて上記メモリに記憶される請求項1記載の暗号処理装置。
- 上記メモリは、不揮発性メモリとされる請求項1記載の暗号処理装置。
- 上記論理回路は、FPGA又はPLDによって構成される請求項1記載の暗号処理装置。
- 上記演算は、逆元計算である請求項1記載の暗号処理装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006045289A JP4986206B2 (ja) | 2006-02-22 | 2006-02-22 | 暗号処理方法及び暗号処理装置 |
KR1020070004916A KR20070085129A (ko) | 2006-02-22 | 2007-01-16 | 인크립션 프로세싱 방법 및 인크립션 프로세싱 장치 |
US11/653,879 US8009827B2 (en) | 2006-02-22 | 2007-01-17 | Encryption processing method and encryption processing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006045289A JP4986206B2 (ja) | 2006-02-22 | 2006-02-22 | 暗号処理方法及び暗号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007228141A JP2007228141A (ja) | 2007-09-06 |
JP4986206B2 true JP4986206B2 (ja) | 2012-07-25 |
Family
ID=38428202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006045289A Expired - Fee Related JP4986206B2 (ja) | 2006-02-22 | 2006-02-22 | 暗号処理方法及び暗号処理装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8009827B2 (ja) |
JP (1) | JP4986206B2 (ja) |
KR (1) | KR20070085129A (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4890976B2 (ja) * | 2005-08-31 | 2012-03-07 | キヤノン株式会社 | 暗号処理装置 |
EP2195761B1 (en) * | 2007-10-01 | 2013-04-03 | Research In Motion Limited | Substitution table masking for cryptographic processes |
US8526602B2 (en) * | 2008-04-15 | 2013-09-03 | Nec Corporation | Adjustment-value-attached block cipher apparatus, cipher generation method and recording medium |
DE102008033962B4 (de) * | 2008-07-21 | 2011-11-24 | Siemens Aktiengesellschaft | Verfahren und Prozessor-Einrichtung zum Implementieren einer Charakteristik-2-Multiplikation |
US20100278338A1 (en) * | 2009-05-04 | 2010-11-04 | Mediatek Singapore Pte. Ltd. | Coding device and method with reconfigurable and scalable encryption/decryption modules |
FR2952773B1 (fr) * | 2009-11-13 | 2012-07-20 | Inst Telecom Telecom Paristech | Circuit electronique de faible complexite protege par masquage personnalise |
US9461815B2 (en) * | 2013-10-18 | 2016-10-04 | Advanced Micro Devices, Inc. | Virtualized AES computational engine |
WO2015166496A1 (en) * | 2014-04-29 | 2015-11-05 | Bar-Ilan University | Multi-topology logic gates |
US9705501B2 (en) * | 2014-10-01 | 2017-07-11 | Maxim Integrated Products, Inc. | Systems and methods for enhancing confidentiality via logic gate encryption |
CN105975251B (zh) * | 2016-05-19 | 2018-10-02 | 东南大学—无锡集成电路技术研究所 | 一种基于粗粒度可重构架构的des算法轮迭代系统及迭代方法 |
US10574702B1 (en) * | 2018-01-03 | 2020-02-25 | Amazon Technologies, Inc. | Authorization for build configuration using telemetry data assessment |
TWI778902B (zh) * | 2021-12-30 | 2022-09-21 | 新唐科技股份有限公司 | 加法遮罩值產生器、加密器以及產生串流金鑰的方法 |
Family Cites Families (18)
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US5740249A (en) * | 1996-04-09 | 1998-04-14 | Kabushiki Kaisha Toshiba | Encryption apparatus and method capable of controlling encryption process in accordance with an internal state |
JP3615622B2 (ja) | 1996-06-28 | 2005-02-02 | 株式会社ルネサステクノロジ | マイクロコンピュータ |
US6031911A (en) * | 1996-07-18 | 2000-02-29 | Entrust Technologies, Ltd. | Practical S box design |
US5949884A (en) * | 1996-11-07 | 1999-09-07 | Entrust Technologies, Ltd. | Design principles of the shade cipher |
TW396704B (en) * | 1997-08-07 | 2000-07-01 | Hitachi Ltd | Cipher conversion method, cipher conversion apparatus, decoding method, decoding apparatus, and data communication system |
JPH1185018A (ja) * | 1997-09-12 | 1999-03-30 | Toshiba Corp | 暗号処理用半導体集積回路及び暗号アルゴリズム変更方法 |
US6182216B1 (en) * | 1997-09-17 | 2001-01-30 | Frank C. Luyster | Block cipher method |
JP2001268071A (ja) * | 2000-03-16 | 2001-09-28 | Advanced Mobile Telecommunications Security Technology Research Lab Co Ltd | 耐タンパー暗号装置 |
JP4596686B2 (ja) * | 2001-06-13 | 2010-12-08 | 富士通株式会社 | Dpaに対して安全な暗号化 |
JP2004212828A (ja) * | 2003-01-08 | 2004-07-29 | Sony Corp | 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 |
JP3998616B2 (ja) * | 2003-09-10 | 2007-10-31 | 株式会社東芝 | 暗号化/復号モジュール |
CN100356342C (zh) * | 2003-11-18 | 2007-12-19 | 株式会社瑞萨科技 | 信息处理装置 |
JP4435593B2 (ja) * | 2004-02-04 | 2010-03-17 | 株式会社ルネサステクノロジ | 耐タンパー情報処理装置 |
KR101061906B1 (ko) * | 2004-02-19 | 2011-09-02 | 삼성전자주식회사 | 전력분석공격에 안전한 기본 연산 장치 및 방법 |
JP4429763B2 (ja) * | 2004-02-26 | 2010-03-10 | 株式会社日立製作所 | 情報処理装置の制御方法、情報処理装置、及びストレージ装置の制御方法 |
TW200617703A (en) * | 2004-11-30 | 2006-06-01 | Tokyo Electron Ltd | Dynamically reconfigurable processor |
TWI290426B (en) * | 2005-02-03 | 2007-11-21 | Sanyo Electric Co | Encryption processing circuit |
WO2007121035A2 (en) * | 2006-03-23 | 2007-10-25 | Exegy Incorporated | Method and system for high throughput blockwise independent encryption/decryption |
-
2006
- 2006-02-22 JP JP2006045289A patent/JP4986206B2/ja not_active Expired - Fee Related
-
2007
- 2007-01-16 KR KR1020070004916A patent/KR20070085129A/ko not_active Application Discontinuation
- 2007-01-17 US US11/653,879 patent/US8009827B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8009827B2 (en) | 2011-08-30 |
US20070195949A1 (en) | 2007-08-23 |
JP2007228141A (ja) | 2007-09-06 |
KR20070085129A (ko) | 2007-08-27 |
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