TWI366832B - Memory device and password storing method thereof - Google Patents

Memory device and password storing method thereof

Info

Publication number
TWI366832B
TWI366832B TW096145085A TW96145085A TWI366832B TW I366832 B TWI366832 B TW I366832B TW 096145085 A TW096145085 A TW 096145085A TW 96145085 A TW96145085 A TW 96145085A TW I366832 B TWI366832 B TW I366832B
Authority
TW
Taiwan
Prior art keywords
memory device
storing method
password storing
password
memory
Prior art date
Application number
TW096145085A
Other languages
English (en)
Other versions
TW200832439A (en
Inventor
Mitsuhiro Nagao
Original Assignee
Spansion Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spansion Llc filed Critical Spansion Llc
Publication of TW200832439A publication Critical patent/TW200832439A/zh
Application granted granted Critical
Publication of TWI366832B publication Critical patent/TWI366832B/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • G11C8/20—Address safety or protection circuits, i.e. arrangements for preventing unauthorized or accidental access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Storage Device Security (AREA)
  • Read Only Memory (AREA)
TW096145085A 2006-12-18 2007-11-28 Memory device and password storing method thereof TWI366832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006340143A JP2008152549A (ja) 2006-12-18 2006-12-18 メモリ装置、およびメモリ装置のパスワード記憶方法

Publications (2)

Publication Number Publication Date
TW200832439A TW200832439A (en) 2008-08-01
TWI366832B true TWI366832B (en) 2012-06-21

Family

ID=39654651

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096145085A TWI366832B (en) 2006-12-18 2007-11-28 Memory device and password storing method thereof

Country Status (3)

Country Link
US (1) US7895406B2 (zh)
JP (1) JP2008152549A (zh)
TW (1) TWI366832B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7966355B2 (en) * 2007-02-13 2011-06-21 Modu Ltd. Interface for extending functionality of memory cards
JP5419776B2 (ja) * 2010-03-30 2014-02-19 ルネサスエレクトロニクス株式会社 半導体装置及びデータ処理方法
JP5194053B2 (ja) * 2010-05-20 2013-05-08 京セラドキュメントソリューションズ株式会社 認証プログラム、プログラムセット、認証方法及び認証装置並びにソフトウェア有効期限変更装置
GB2504746A (en) * 2012-08-08 2014-02-12 Steven Jonathan Brittan Matrix Pattern Authentication (MPA) using a divided authentication code
US8996888B2 (en) * 2012-09-14 2015-03-31 Avalanche Technology, Inc. Mobile device using secure spin torque transfer magnetic random access memory (STTMRAM)
US10922292B2 (en) * 2015-03-25 2021-02-16 WebCloak, LLC Metamorphic storage of passcodes
US9495627B1 (en) * 2015-12-15 2016-11-15 International Business Machines Corporation Magnetic tunnel junction based chip identification
JP2020149265A (ja) 2019-03-13 2020-09-17 キオクシア株式会社 メモリシステム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02267657A (ja) 1989-04-10 1990-11-01 Hitachi Ltd パスワード方式
JPH1185620A (ja) 1997-09-11 1999-03-30 Sharp Corp 不揮発性メモリ内蔵マイクロコンピュータ
JP2000215108A (ja) 1999-01-22 2000-08-04 Toshiba Corp 半導体集積回路
JP2000222288A (ja) 1999-01-28 2000-08-11 Mitsubishi Electric Corp フラッシュメモリのセキュリティ機能無効回路
JP2001014871A (ja) * 1999-06-29 2001-01-19 Toshiba Corp 不揮発性半導体記憶装置
CN1314031C (zh) 2000-02-21 2007-05-02 特科2000国际有限公司 便携式数据存储装置
JP2002007349A (ja) 2000-06-22 2002-01-11 Asahi Business Assist:Kk 機密情報の記録再生方法および本人認証のための暗号鍵等を記録した記録媒体
CN101025778A (zh) * 2000-07-25 2007-08-29 有限会社信息安全 保密信息记录媒介、保护方法、保护存储方法及信息访问报警系统
JP4053245B2 (ja) 2001-02-05 2008-02-27 シャープ株式会社 不正利用を防止できる半導体記憶装置
US7502936B2 (en) * 2001-02-14 2009-03-10 Jsm Technologies, L.L.C. System and method providing secure access to a computer system
JP2004046640A (ja) 2002-07-12 2004-02-12 Dainippon Printing Co Ltd パスワードデータの秘匿方法、ソフトウエアプログラム、情報端末装置
TWI288348B (en) * 2003-07-09 2007-10-11 Sunplus Technology Co Ltd Processor using data block scrambling for data protection and method thereof
EP1612636A1 (de) * 2004-07-01 2006-01-04 Tecnostore AG Verfahren zur Datenarchivierung mit automatischer Ver- und Entschlüsselung
US20070250914A1 (en) * 2006-04-19 2007-10-25 Avaya Technology Llc Method and system for resetting secure passwords
JP2008108239A (ja) * 2006-09-29 2008-05-08 Brother Ind Ltd 情報処理装置および情報処理プログラム

Also Published As

Publication number Publication date
TW200832439A (en) 2008-08-01
US7895406B2 (en) 2011-02-22
JP2008152549A (ja) 2008-07-03
US20080147967A1 (en) 2008-06-19

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