JP2018528719A - ランダムクロック発生器 - Google Patents
ランダムクロック発生器 Download PDFInfo
- Publication number
- JP2018528719A JP2018528719A JP2018515643A JP2018515643A JP2018528719A JP 2018528719 A JP2018528719 A JP 2018528719A JP 2018515643 A JP2018515643 A JP 2018515643A JP 2018515643 A JP2018515643 A JP 2018515643A JP 2018528719 A JP2018528719 A JP 2018528719A
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- Japan
- Prior art keywords
- generator
- random
- clock signal
- clock
- value
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-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/08—Clock generators with changeable or programmable clock frequency
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/06—Clock generators producing several clock signals
-
- 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
- G06F21/725—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 operating on a secure reference time value
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/58—Random or pseudo-random number generators
- G06F7/588—Random number generators, i.e. based on natural stochastic processes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/84—Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Mathematical Physics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
Claims (6)
- ランダムクロック発生器であって、
一連の規則的かつ規則的間隔のパルスで構成されるマスタクロック信号(MClk)を受信するクロック信号入力と、
マスタクロック信号および整数Nを受信し、M個のクロックパルスごとにN個のパルスの列に対応する出力信号を提供し、Mが1よりも大きい整数であり、Nが1よりも大きくかつM以下の整数である、クロック信号低減回路(101)とを備え、
マスタクロック信号のP個のパルスごとに新しい数Nをクロック信号低減回路に提供し、Nおよび/またはPが無作為に生成される、数発生器(102、103)も含むことを特徴とする、ランダムクロック発生器。 - PがMに等しく、Nが無作為に生成される、請求項1に記載の発生器。
- 数発生器(102)が、非線形シフトレジスタ(603)と乱数発生器(NG、601、602)とを含み、この乱数発生器が非線形シフトレジスタを周期的にリセットするのに使用される、請求項1に記載の発生器。
- Nが最小値(Nmin)と最大値(NMax)との間である、請求項1に記載の発生器。
- 数Nが、Nの平均値(C)と、この平均値に加算されるかもしくは場合によってはこの平均値から減算されるランダム補正値(R0−2)とを受信する加算器(501)または加算器/減算器の出力として得られる、請求項4に記載の発生器。
- ランダム補正値が非線形シフトレジスタによって提供される、請求項3および5に記載の発生器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15306497.7A EP3147774A1 (fr) | 2015-09-25 | 2015-09-25 | Generateur d'horloge aleatoire |
EP15306497.7 | 2015-09-25 | ||
PCT/EP2016/072747 WO2017050999A1 (fr) | 2015-09-25 | 2016-09-23 | Generateur d'horloge aleatoire |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018528719A true JP2018528719A (ja) | 2018-09-27 |
JP6776346B2 JP6776346B2 (ja) | 2020-10-28 |
Family
ID=54266504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018515643A Active JP6776346B2 (ja) | 2015-09-25 | 2016-09-23 | ランダムクロック発生器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10509433B2 (ja) |
EP (2) | EP3147774A1 (ja) |
JP (1) | JP6776346B2 (ja) |
KR (1) | KR102398235B1 (ja) |
CN (1) | CN108027719B (ja) |
WO (1) | WO2017050999A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10459477B2 (en) * | 2017-04-19 | 2019-10-29 | Seagate Technology Llc | Computing system with power variation attack countermeasures |
TWI662471B (zh) * | 2018-05-31 | 2019-06-11 | 華邦電子股份有限公司 | 真實隨機數產生裝置及其產生方法 |
CN110609672B (zh) * | 2018-06-15 | 2023-11-07 | 华邦电子股份有限公司 | 真实随机数产生装置及其产生方法 |
CN111193500B (zh) * | 2020-01-15 | 2023-04-07 | 电子科技大学 | 一种能够同步外部时钟的振荡器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07239837A (ja) * | 1993-12-21 | 1995-09-12 | General Instr Corp Of Delaware | 秘密保護マイクロプロセッサのためのクロック周波数変調 |
JPH10507561A (ja) * | 1996-03-07 | 1998-07-21 | セー・ペー・8・トランザツク | 改良型集積回路と、該集積回路の使用方法 |
US6327661B1 (en) * | 1998-06-03 | 2001-12-04 | Cryptography Research, Inc. | Using unpredictable information to minimize leakage from smartcards and other cryptosystems |
JP2005045752A (ja) * | 2003-07-07 | 2005-02-17 | Sony Corp | 暗号処理装置、および暗号処理方法 |
JP2008113130A (ja) * | 2006-10-30 | 2008-05-15 | Sharp Corp | 暗号化装置 |
US20150039910A1 (en) * | 2013-07-31 | 2015-02-05 | Fairchild Semiconductor Corporation | Side channel power attack defense with pseudo random clock operation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416434A (en) * | 1993-03-05 | 1995-05-16 | Hewlett-Packard Corporation | Adaptive clock generation with pseudo random variation |
FI101833B1 (fi) * | 1994-07-13 | 1998-08-31 | Nokia Telecommunications Oy | Menetelmä ja järjestelmä kaapelointiviiveen automaattiseksi kompensoimiseksi kellosignaalin jakelujärjestelmässä |
US5696710A (en) * | 1995-12-29 | 1997-12-09 | Thomson Consumer Electronics, Inc. | Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal |
FR2745099B1 (fr) * | 1996-02-19 | 1998-03-27 | Sgs Thomson Microelectronics | Procede de sequencement d'un circuit integre |
US6003053A (en) * | 1996-11-29 | 1999-12-14 | Matsushita Electric Works, Ltd. | Pulse signal generation circuit and pulse signal generation method |
US6384651B1 (en) * | 2000-03-28 | 2002-05-07 | Intel Corporation | Method of generating a signal with controlled duty-cycle and pseudo-random spectrum |
CN100409175C (zh) * | 2001-03-15 | 2008-08-06 | 罗伯特-博希股份公司 | 在具有至少一个用户的总线系统中形成时钟脉冲的方法和装置,总线系统和用户 |
JP3502065B2 (ja) * | 2001-04-24 | 2004-03-02 | 株式会社三技協 | 乱数発生装置 |
US6661360B2 (en) * | 2002-02-12 | 2003-12-09 | Broadcom Corporation | Analog to digital converter that services voice communications |
US7187241B2 (en) * | 2003-05-02 | 2007-03-06 | Silicon Laboratories Inc. | Calibration of oscillator devices |
EP1496641A3 (en) * | 2003-07-07 | 2005-03-02 | Sony Corporation | Cryptographic processing apparatus, cryptographic processing method and computer program |
US7098669B2 (en) * | 2003-10-01 | 2006-08-29 | Flowline, Inc. | Depth determining system |
US7554865B2 (en) * | 2006-09-21 | 2009-06-30 | Atmel Corporation | Randomizing current consumption in memory devices |
-
2015
- 2015-09-25 EP EP15306497.7A patent/EP3147774A1/fr not_active Withdrawn
-
2016
- 2016-09-23 WO PCT/EP2016/072747 patent/WO2017050999A1/fr active Application Filing
- 2016-09-23 EP EP16775609.7A patent/EP3353646B1/fr active Active
- 2016-09-23 US US15/762,894 patent/US10509433B2/en active Active
- 2016-09-23 JP JP2018515643A patent/JP6776346B2/ja active Active
- 2016-09-23 CN CN201680055601.XA patent/CN108027719B/zh active Active
- 2016-09-23 KR KR1020187011803A patent/KR102398235B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07239837A (ja) * | 1993-12-21 | 1995-09-12 | General Instr Corp Of Delaware | 秘密保護マイクロプロセッサのためのクロック周波数変調 |
JPH10507561A (ja) * | 1996-03-07 | 1998-07-21 | セー・ペー・8・トランザツク | 改良型集積回路と、該集積回路の使用方法 |
US6327661B1 (en) * | 1998-06-03 | 2001-12-04 | Cryptography Research, Inc. | Using unpredictable information to minimize leakage from smartcards and other cryptosystems |
JP2005045752A (ja) * | 2003-07-07 | 2005-02-17 | Sony Corp | 暗号処理装置、および暗号処理方法 |
JP2008113130A (ja) * | 2006-10-30 | 2008-05-15 | Sharp Corp | 暗号化装置 |
US20150039910A1 (en) * | 2013-07-31 | 2015-02-05 | Fairchild Semiconductor Corporation | Side channel power attack defense with pseudo random clock operation |
Also Published As
Publication number | Publication date |
---|---|
CN108027719B (zh) | 2021-12-24 |
US10509433B2 (en) | 2019-12-17 |
US20180292857A1 (en) | 2018-10-11 |
CN108027719A (zh) | 2018-05-11 |
EP3147774A1 (fr) | 2017-03-29 |
KR20180059872A (ko) | 2018-06-05 |
JP6776346B2 (ja) | 2020-10-28 |
WO2017050999A1 (fr) | 2017-03-30 |
EP3353646A1 (fr) | 2018-08-01 |
EP3353646B1 (fr) | 2019-10-30 |
KR102398235B1 (ko) | 2022-05-13 |
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