JP2005286959A5 - - Google Patents

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Publication number
JP2005286959A5
JP2005286959A5 JP2004102039A JP2004102039A JP2005286959A5 JP 2005286959 A5 JP2005286959 A5 JP 2005286959A5 JP 2004102039 A JP2004102039 A JP 2004102039A JP 2004102039 A JP2004102039 A JP 2004102039A JP 2005286959 A5 JP2005286959 A5 JP 2005286959A5
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JP
Japan
Prior art keywords
label
subset
special
ciphertext
information 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.)
Abandoned
Application number
JP2004102039A
Other languages
English (en)
Japanese (ja)
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JP2005286959A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004102039A priority Critical patent/JP2005286959A/ja
Priority claimed from JP2004102039A external-priority patent/JP2005286959A/ja
Priority to CNA2005800003329A priority patent/CN1774886A/zh
Priority to PCT/JP2005/002787 priority patent/WO2005099167A1/ja
Priority to EP05710513A priority patent/EP1732260A1/en
Priority to KR1020057022453A priority patent/KR20060129934A/ko
Priority to US10/557,707 priority patent/US20070133806A1/en
Priority to TW094107403A priority patent/TW200610344A/zh
Publication of JP2005286959A publication Critical patent/JP2005286959A/ja
Publication of JP2005286959A5 publication Critical patent/JP2005286959A5/ja
Abandoned legal-status Critical Current

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JP2004102039A 2004-03-31 2004-03-31 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム Abandoned JP2005286959A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2004102039A JP2005286959A (ja) 2004-03-31 2004-03-31 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム
CNA2005800003329A CN1774886A (zh) 2004-03-31 2005-02-22 信息处理方法,解密处理方法,信息处理设备和计算机程序
PCT/JP2005/002787 WO2005099167A1 (ja) 2004-03-31 2005-02-22 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム
EP05710513A EP1732260A1 (en) 2004-03-31 2005-02-22 Information processing method, decryption method, information processing device, and computer program
KR1020057022453A KR20060129934A (ko) 2004-03-31 2005-02-22 정보 처리 방법, 복호 처리 방법 및 정보 처리 장치와컴퓨터 프로그램
US10/557,707 US20070133806A1 (en) 2004-03-31 2005-02-22 Information processing method, decryption method, information processing device, and computer program
TW094107403A TW200610344A (en) 2004-03-31 2005-03-11 Information processing method, decryption method, information processing device, and computer program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004102039A JP2005286959A (ja) 2004-03-31 2004-03-31 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム

Publications (2)

Publication Number Publication Date
JP2005286959A JP2005286959A (ja) 2005-10-13
JP2005286959A5 true JP2005286959A5 (enExample) 2006-12-14

Family

ID=35125436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004102039A Abandoned JP2005286959A (ja) 2004-03-31 2004-03-31 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム

Country Status (7)

Country Link
US (1) US20070133806A1 (enExample)
EP (1) EP1732260A1 (enExample)
JP (1) JP2005286959A (enExample)
KR (1) KR20060129934A (enExample)
CN (1) CN1774886A (enExample)
TW (1) TW200610344A (enExample)
WO (1) WO2005099167A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4599194B2 (ja) * 2005-03-08 2010-12-15 株式会社東芝 復号装置、復号方法、及びプログラム
KR100717005B1 (ko) * 2005-04-06 2007-05-10 삼성전자주식회사 폐기 키를 결정하는 방법 및 장치와 이것을 이용하여복호화하는 방법 및 장치
DE102005033285C5 (de) 2005-07-15 2019-11-07 Institut für Rundfunktechnik GmbH Consumer-Electronic-Gerät
DE102005033836B4 (de) * 2005-07-20 2009-11-19 Institut für Rundfunktechnik GmbH Verfahren zum Weiterleiten von Nutzungsberechtigungsinformationen
US8042151B2 (en) * 2005-12-20 2011-10-18 Microsoft Corporation Application context based access control
US7693948B2 (en) * 2006-05-15 2010-04-06 Sap Ag Email traffic integration into a knowledge management system
JP2009044516A (ja) * 2007-08-09 2009-02-26 Kddi Corp ブロードキャスト暗号の生成方法およびプログラム
US9729316B2 (en) * 2008-02-27 2017-08-08 International Business Machines Corporation Unified broadcast encryption system
JP5197424B2 (ja) * 2009-02-19 2013-05-15 三菱電機株式会社 通信装置及び通信方法及び通信プログラム
WO2011068996A1 (en) * 2009-12-04 2011-06-09 Cryptography Research, Inc. Verifiable, leak-resistant encryption and decryption
US9516000B2 (en) * 2015-03-27 2016-12-06 International Business Machines Corporation Runtime instantiation of broadcast encryption schemes
US9537652B2 (en) * 2015-03-27 2017-01-03 International Business Machines Corporation Polymorphic encryption key allocation scheme
US10812464B2 (en) 2015-06-15 2020-10-20 Airwatch Llc Single sign-on for managed mobile devices
US10944738B2 (en) 2015-06-15 2021-03-09 Airwatch, Llc. Single sign-on for managed mobile devices using kerberos
US11057364B2 (en) * 2015-06-15 2021-07-06 Airwatch Llc Single sign-on for managed mobile devices
US10171447B2 (en) 2015-06-15 2019-01-01 Airwatch Llc Single sign-on for unmanaged mobile devices
US11010664B2 (en) * 2016-02-05 2021-05-18 Deepmind Technologies Limited Augmenting neural networks with hierarchical external memory
WO2017151602A1 (en) * 2016-02-29 2017-09-08 Craxel, Inc. Efficient encrypted data management system and method
CN108063756B (zh) * 2017-11-21 2020-07-03 阿里巴巴集团控股有限公司 一种密钥管理方法、装置及设备
WO2020005853A1 (en) * 2018-06-25 2020-01-02 Virtual Software Systems, Inc. Systems and methods for securing communications
CN112052875B (zh) * 2020-07-30 2024-08-20 华控清交信息科技(北京)有限公司 一种训练树模型的方法、装置和用于训练树模型的装置
TWI809545B (zh) * 2021-10-29 2023-07-21 律芯科技股份有限公司 混合式樹狀加解密系統
DE102021006430B4 (de) 2021-12-31 2023-12-07 Kcrypt Lab UG (haftungsbeschränkt) Verfahren zur Erzeugung verteilter One-Way-Trapdoor-Permutationen durch additives Teilen ohne einen vertrauenswürdigen Händler
US20240275590A1 (en) * 2023-02-15 2024-08-15 Zoom Video Communications, Inc. Tree-based key storage for selectively granting access to an encrypted conversation history

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6011847A (en) * 1995-06-01 2000-01-04 Follendore, Iii; Roy D. Cryptographic access and labeling system
US7039803B2 (en) * 2001-01-26 2006-05-02 International Business Machines Corporation Method for broadcast encryption and key revocation of stateless receivers
US7043024B1 (en) * 2001-04-18 2006-05-09 Mcafee, Inc. System and method for key distribution in a hierarchical tree

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