ATE549688T1 - Verschlüsselungsvorrichtung und verfahren zur bereitstellung eines verschlüsselten dateisystems - Google Patents

Verschlüsselungsvorrichtung und verfahren zur bereitstellung eines verschlüsselten dateisystems

Info

Publication number
ATE549688T1
ATE549688T1 AT07727987T AT07727987T ATE549688T1 AT E549688 T1 ATE549688 T1 AT E549688T1 AT 07727987 T AT07727987 T AT 07727987T AT 07727987 T AT07727987 T AT 07727987T AT E549688 T1 ATE549688 T1 AT E549688T1
Authority
AT
Austria
Prior art keywords
encryption
plaintext
file system
block
encrypted file
Prior art date
Application number
AT07727987T
Other languages
English (en)
Inventor
Shawn Mullen
Ravi Shankar
Ufuk Celikkan
William Conklin
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE549688T1 publication Critical patent/ATE549688T1/de

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/602Providing cryptographic facilities or services
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bioethics (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
AT07727987T 2006-04-18 2007-04-11 Verschlüsselungsvorrichtung und verfahren zur bereitstellung eines verschlüsselten dateisystems ATE549688T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/406,184 US7428306B2 (en) 2006-04-18 2006-04-18 Encryption apparatus and method for providing an encrypted file system
PCT/EP2007/053519 WO2007118829A1 (en) 2006-04-18 2007-04-11 Encryption apparatus and method for providing an encrypted file system

Publications (1)

Publication Number Publication Date
ATE549688T1 true ATE549688T1 (de) 2012-03-15

Family

ID=38066626

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07727987T ATE549688T1 (de) 2006-04-18 2007-04-11 Verschlüsselungsvorrichtung und verfahren zur bereitstellung eines verschlüsselten dateisystems

Country Status (5)

Country Link
US (2) US7428306B2 (de)
EP (1) EP2016525B1 (de)
CN (1) CN101401105B (de)
AT (1) ATE549688T1 (de)
WO (1) WO2007118829A1 (de)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7526795B2 (en) * 2001-03-27 2009-04-28 Micron Technology, Inc. Data security for digital data storage
TWI268081B (en) * 2005-06-24 2006-12-01 Hitrust Com Inc Data-encrypting/decrypting method, data-saving media using the method, and data-encrypting/decrypting module
EP1961140A4 (de) * 2005-12-14 2013-02-27 Nds Ltd Verfahren und system zur benutzung von blockchiffre-verschlüsselung
US8284929B2 (en) * 2006-09-14 2012-10-09 Uniloc Luxembourg S.A. System of dependant keys across multiple pieces of related scrambled information
EP3522050A1 (de) * 2007-05-18 2019-08-07 Verimatrix, Inc. System und verfahren zur definition von programmierbaren verarbeitungsschritten, die beim schutz der daten angewendet werden
US9324361B2 (en) * 2007-08-14 2016-04-26 Seagate Technology Llc Protecting stored data from traffic analysis
TWI366371B (en) * 2007-10-17 2012-06-11 Via Tech Inc Encryption and decryption methods
US8464059B2 (en) * 2007-12-05 2013-06-11 Netauthority, Inc. System and method for device bound public key infrastructure
US8194854B2 (en) * 2008-02-27 2012-06-05 Intel Corporation Method and apparatus for optimizing advanced encryption standard (AES) encryption and decryption in parallel modes of operation
US8634549B2 (en) * 2008-05-07 2014-01-21 Red Hat, Inc. Ciphertext key chaining
US8396209B2 (en) * 2008-05-23 2013-03-12 Red Hat, Inc. Mechanism for chained output feedback encryption
US8286171B2 (en) 2008-07-21 2012-10-09 Workshare Technology, Inc. Methods and systems to fingerprint textual information using word runs
US9240883B2 (en) * 2008-09-04 2016-01-19 Intel Corporation Multi-key cryptography for encrypting file system acceleration
US8880879B2 (en) * 2008-09-04 2014-11-04 Intel Corporation Accelerated cryptography with an encryption attribute
WO2010059747A2 (en) 2008-11-18 2010-05-27 Workshare Technology, Inc. Methods and systems for exact data match filtering
EP2197144A1 (de) * 2008-12-15 2010-06-16 Thomson Licensing Verfahren und Vorrichtungen für einen verketteten Verschlüsslungsmodus
US8250630B2 (en) * 2009-03-05 2012-08-21 Cisco Technology, Inc. Detecting unauthorized computer access
US9654285B2 (en) * 2009-04-27 2017-05-16 International Business Machines Corporation Defining access rights to content
WO2011013148A1 (en) * 2009-07-28 2011-02-03 Telecom Italia S.P.A. Symmetric-key encryption method and cryptographic system employing the method
US8526605B2 (en) * 2009-10-09 2013-09-03 Seagate Technology Llc Data encryption to provide data security and memory cell bit wear leveling
US9703586B2 (en) * 2010-02-17 2017-07-11 Microsoft Technology Licensing, Llc Distribution control and tracking mechanism of virtual machine appliances
US10783326B2 (en) 2013-03-14 2020-09-22 Workshare, Ltd. System for tracking changes in a collaborative document editing environment
US20120136862A1 (en) 2010-11-29 2012-05-31 Workshare Technology, Inc. System and method for presenting comparisons of electronic documents
US11030163B2 (en) 2011-11-29 2021-06-08 Workshare, Ltd. System for tracking and displaying changes in a set of related electronic documents
US8713300B2 (en) * 2011-01-21 2014-04-29 Symantec Corporation System and method for netbackup data decryption in a high latency low bandwidth environment
US8645713B2 (en) * 2011-03-22 2014-02-04 Fujitsu Limited Encrypting method, recording medium of encrypting program, decrypting method, and recording medium of decrypting program
US8495178B1 (en) 2011-04-01 2013-07-23 Symantec Corporation Dynamic bandwidth discovery and allocation to improve performance for backing up data
US8862902B2 (en) * 2011-04-29 2014-10-14 Seagate Technology Llc Cascaded data encryption dependent on attributes of physical memory
US9613340B2 (en) 2011-06-14 2017-04-04 Workshare Ltd. Method and system for shared document approval
US10880359B2 (en) 2011-12-21 2020-12-29 Workshare, Ltd. System and method for cross platform document sharing
US9170990B2 (en) 2013-03-14 2015-10-27 Workshare Limited Method and system for document retrieval with selective document comparison
US10963584B2 (en) 2011-06-08 2021-03-30 Workshare Ltd. Method and system for collaborative editing of a remotely stored document
US10574729B2 (en) 2011-06-08 2020-02-25 Workshare Ltd. System and method for cross platform document sharing
CN102254127A (zh) * 2011-08-11 2011-11-23 华为技术有限公司 文件的加密和解密方法、装置及系统
IL214743A0 (en) * 2011-08-18 2012-02-29 Nds Ltd Block cipher modes of operation
US8958550B2 (en) * 2011-09-13 2015-02-17 Combined Conditional Access Development & Support. LLC (CCAD) Encryption operation with real data rounds, dummy data rounds, and delay periods
US20130254536A1 (en) * 2012-03-22 2013-09-26 Workshare, Ltd. Secure server side encryption for online file sharing and collaboration
US9152811B2 (en) * 2012-03-12 2015-10-06 International Business Machines Corporation Transparent real-time access to encrypted non-relational data
CN102594549B (zh) * 2012-03-22 2015-02-11 山东泰信电子股份有限公司 一种数据多级加密、解密方法
CN102546152B (zh) * 2012-03-22 2014-11-05 山东泰信电子股份有限公司 一种实现数据多级加密、解密的方法
KR101329084B1 (ko) * 2012-05-17 2013-11-14 한국전자통신연구원 무중단 암호통신을 위한 암복호 통신 방법 및 장치
CN103427987B (zh) * 2012-05-25 2016-05-18 纬创资通股份有限公司 数据加密的方法、数据验证方法及电子装置
US9172698B1 (en) 2012-10-12 2015-10-27 Ut-Battelle, Llc System and method for key generation in security tokens
US10911492B2 (en) 2013-07-25 2021-02-02 Workshare Ltd. System and method for securing documents prior to transmission
CN104683093B (zh) * 2013-11-27 2018-01-26 财团法人资讯工业策进会 兼具完整性验证的区块加密装置、区块加密方法、区块解密装置及区块解密方法
US10044835B1 (en) 2013-12-11 2018-08-07 Symantec Corporation Reducing redundant transmissions by polling clients
US10277559B2 (en) * 2014-05-21 2019-04-30 Excalibur Ip, Llc Methods and systems for data traffic control and encryption
US9258117B1 (en) 2014-06-26 2016-02-09 Amazon Technologies, Inc. Mutual authentication with symmetric secrets and signatures
US9923923B1 (en) 2014-09-10 2018-03-20 Amazon Technologies, Inc. Secure transport channel using multiple cipher suites
US10567434B1 (en) 2014-09-10 2020-02-18 Amazon Technologies, Inc. Communication channel security enhancements
US10374800B1 (en) * 2014-09-10 2019-08-06 Amazon Technologies, Inc. Cryptography algorithm hopping
US9992118B2 (en) 2014-10-27 2018-06-05 Veritas Technologies Llc System and method for optimizing transportation over networks
US9313023B1 (en) 2014-12-02 2016-04-12 Zettaset, Inc. Format-preserving cipher
US9979537B2 (en) 2014-12-02 2018-05-22 Zettaset, Inc. Format-preserving cipher
US10009169B2 (en) 2014-12-02 2018-06-26 Zettaset, Inc. Format-preserving cipher
EP3032453B1 (de) * 2014-12-08 2019-11-13 eperi GmbH Datenspeicherung in einem Server-Computer mit aufsetzbarer Infrastruktur zum Verschlüsseln und Entschlüsseln
US11182551B2 (en) 2014-12-29 2021-11-23 Workshare Ltd. System and method for determining document version geneology
US10133723B2 (en) 2014-12-29 2018-11-20 Workshare Ltd. System and method for determining document version geneology
US10122689B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Load balancing with handshake offload
US10122692B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Handshake offload
US11763013B2 (en) 2015-08-07 2023-09-19 Workshare, Ltd. Transaction document management system and method
CN106547527B (zh) * 2015-09-22 2020-01-21 阿里巴巴集团控股有限公司 一种JavaScript文件构建方法及装置
US10116667B2 (en) 2016-01-26 2018-10-30 Bank Of America Corporation System for conversion of an instrument from a non-secured instrument to a secured instrument in a process data network
US9825931B2 (en) 2016-01-26 2017-11-21 Bank Of America Corporation System for tracking and validation of an entity in a process data network
US10129238B2 (en) 2016-02-10 2018-11-13 Bank Of America Corporation System for control of secure access and communication with different process data networks with separate security features
US10142347B2 (en) 2016-02-10 2018-11-27 Bank Of America Corporation System for centralized control of secure access to process data network
US10438209B2 (en) 2016-02-10 2019-10-08 Bank Of America Corporation System for secure routing of data to various networks from a process data network
US11374935B2 (en) 2016-02-11 2022-06-28 Bank Of America Corporation Block chain alias person-to-person resource allocation
US10440101B2 (en) 2016-02-22 2019-10-08 Bank Of America Corporation System for external validation of private-to-public transition protocols
US10135870B2 (en) 2016-02-22 2018-11-20 Bank Of America Corporation System for external validation of secure process transactions
US10142312B2 (en) 2016-02-22 2018-11-27 Bank Of America Corporation System for establishing secure access for users in a process data network
US10318938B2 (en) 2016-02-22 2019-06-11 Bank Of America Corporation System for routing of process authorization and settlement to a user in process data network based on specified parameters
US10762504B2 (en) 2016-02-22 2020-09-01 Bank Of America Corporation System for external secure access to process data network
US10607285B2 (en) 2016-02-22 2020-03-31 Bank Of America Corporation System for managing serializability of resource transfers in a process data network
US10026118B2 (en) 2016-02-22 2018-07-17 Bank Of America Corporation System for allowing external validation of data in a process data network
US10178105B2 (en) 2016-02-22 2019-01-08 Bank Of America Corporation System for providing levels of security access to a process data network
US10679215B2 (en) 2016-02-22 2020-06-09 Bank Of America Corporation System for control of device identity and usage in a process data network
US10475030B2 (en) 2016-02-22 2019-11-12 Bank Of America Corporation System for implementing a distributed ledger across multiple network nodes
US10140470B2 (en) 2016-02-22 2018-11-27 Bank Of America Corporation System for external validation of distributed resource status
US10496989B2 (en) 2016-02-22 2019-12-03 Bank Of America Corporation System to enable contactless access to a transaction terminal using a process data network
US10636033B2 (en) 2016-02-22 2020-04-28 Bank Of America Corporation System for routing of process authorizations and settlement to a user in a process data network
US10387878B2 (en) 2016-02-22 2019-08-20 Bank Of America Corporation System for tracking transfer of resources in a process data network
US10157078B2 (en) 2016-04-10 2018-12-18 Bank Of America Corporation System for transforming large scale electronic processing using application block chain
CN108028754B (zh) * 2016-04-28 2020-12-01 华为技术有限公司 加密、解密方法、装置及终端
US9979718B2 (en) 2016-05-11 2018-05-22 Bank Of America Corporation System for managing security and access to resource sub-components
US10402796B2 (en) 2016-08-29 2019-09-03 Bank Of America Corporation Application life-cycle transition record recreation system
US10158737B2 (en) 2016-10-07 2018-12-18 Bank Of America Corporation Real time event capture and analysis of transient data for an information network
US10067994B2 (en) 2016-10-07 2018-09-04 Bank Of America Corporation Real time event capture and transformation of transient data for an information network
US10069672B2 (en) 2016-10-07 2018-09-04 Bank Of America Corporation Real time event capture, analysis and reporting system
CN106599723B (zh) * 2016-12-19 2020-03-17 武汉斗鱼网络科技有限公司 一种文件加密方法及装置、文件解密方法及装置
US11631077B2 (en) 2017-01-17 2023-04-18 HashLynx Inc. System for facilitating secure electronic communications between entities and processing resource transfers
US10887080B2 (en) * 2017-03-16 2021-01-05 King Fahd University Of Petroleum And Minerals Double-hashing operation mode for encryption
CN108632215B (zh) * 2017-03-20 2021-04-20 展讯通信(上海)有限公司 数字通信加解密方法及装置
US10924263B2 (en) * 2017-09-25 2021-02-16 The Boeing Company Systems and methods for facilitating iterative key generation and data encryption and decryption
US10965456B2 (en) 2017-09-25 2021-03-30 The Boeing Company Systems and methods for facilitating data encryption and decryption and erasing of associated information
CN108390759A (zh) * 2018-03-21 2018-08-10 平安普惠企业管理有限公司 代码加密、解密方法、装置、计算机设备和存储介质
US10929545B2 (en) 2018-07-31 2021-02-23 Bank Of America Corporation System for providing access to data stored in a distributed trust computing network
CN109271800A (zh) * 2018-09-19 2019-01-25 中国银联股份有限公司 一种文件处理方法及装置
CN109446751A (zh) * 2018-09-30 2019-03-08 深圳市迷你玩科技有限公司 生成包括多个子文件的数据集的方法、装置和存储介质
CN109710899B (zh) * 2018-12-20 2023-07-14 山东省滨海公安局 存储介质内文件解密、取证方法和装置
KR20200085095A (ko) * 2019-01-04 2020-07-14 삼성전자주식회사 블록체인 기반으로 데이터를 관리하는 전자 장치 및 데이터 관리 방법
US10853495B2 (en) * 2019-03-29 2020-12-01 Microsoft Technology Licensing, Llc Method for patching and updating encrypted disk images in a reliable and secure fashion
US11483147B2 (en) * 2020-01-23 2022-10-25 Bank Of America Corporation Intelligent encryption based on user and data properties
US10897351B1 (en) * 2020-07-02 2021-01-19 Slack Technologies, Inc. Encryption key management for an automated workflow
CN111654511A (zh) * 2020-07-13 2020-09-11 中国银行股份有限公司 一种链式数据加密方法、链式数据解密方法及相应的系统
CN114301718A (zh) * 2022-03-10 2022-04-08 北京微芯感知科技有限公司 一种采用单密钥进行链式加密的文件传输方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074066A (en) * 1976-04-26 1978-02-14 International Business Machines Corporation Message verification and transmission error detection by block chaining
JP2000517497A (ja) * 1996-09-03 2000-12-26 シーメンス アクチエンゲゼルシヤフト 任意の数のデータを有するデジタルデータ流の暗号処理装置および処理方法
US6526144B2 (en) * 1997-06-02 2003-02-25 Texas Instruments Incorporated Data protection system
US6405315B1 (en) * 1997-09-11 2002-06-11 International Business Machines Corporation Decentralized remotely encrypted file system
US6249866B1 (en) * 1997-09-16 2001-06-19 Microsoft Corporation Encrypting file system and method
US7096358B2 (en) * 1998-05-07 2006-08-22 Maz Technologies, Inc. Encrypting file system
TW375721B (en) * 1998-06-17 1999-12-01 Ind Tech Res Inst DES chip processor capable of executing data encryption standard (DES) operation
JP2000066587A (ja) * 1998-08-24 2000-03-03 Toshiba Corp データ処理装置及び通信システム並びに記録媒体
JP3824121B2 (ja) * 1999-04-01 2006-09-20 株式会社日立製作所 暗号データの復号化処理方法および装置
GB9930145D0 (en) * 1999-12-22 2000-02-09 Kean Thomas A Method and apparatus for secure configuration of a field programmable gate array
US6813252B2 (en) * 2000-01-07 2004-11-02 Lucent Technologies Inc. Method and system for interleaving of full rate channels suitable for half duplex operation and statistical multiplexing
US7270193B2 (en) * 2000-02-14 2007-09-18 Kabushiki Kaisha Toshiba Method and system for distributing programs using tamper resistant processor
US7093126B1 (en) * 2000-04-14 2006-08-15 International Business Machines Corporation Encryption schemes with almost free integrity awareness
WO2001082524A1 (en) * 2000-04-20 2001-11-01 Matchett Noel D Cryptographic system for data encryption standard
US6952477B1 (en) * 2000-07-03 2005-10-04 International Business Machines Corporation Fault intolerant cipher chaining
US7124303B2 (en) * 2001-06-06 2006-10-17 Sony Corporation Elementary stream partial encryption
US7006627B2 (en) * 2001-09-28 2006-02-28 Tarari, Inc. Cipher block chaining mode in encryption/decryption processing
GB2374260B (en) 2001-10-12 2003-08-13 F Secure Oyj Data encryption
US7103180B1 (en) * 2001-10-25 2006-09-05 Hewlett-Packard Development Company, L.P. Method of implementing the data encryption standard with reduced computation
FR2837332A1 (fr) * 2002-03-15 2003-09-19 Thomson Licensing Sa Dispositif et procede d'insertion de codes de correction d'erreurs et de reconstitution de flux de donnees, et produits correspondants
US7343493B2 (en) * 2002-03-28 2008-03-11 Lenovo (Singapore) Pte. Ltd. Encrypted file system using TCPA
CA2487319C (en) * 2002-06-07 2009-01-06 General Instrument Corporation Seamless switching between multiple pre-encrypted video files
US20050144468A1 (en) * 2003-01-13 2005-06-30 Northcutt J. D. Method and apparatus for content protection in a personal digital network environment
US7055039B2 (en) * 2003-04-14 2006-05-30 Sony Corporation Protection of digital content using block cipher crytography
US7392400B2 (en) * 2003-04-18 2008-06-24 Via Technologies, Inc. Microprocessor apparatus and method for optimizing block cipher cryptographic functions
US7243237B2 (en) * 2003-05-02 2007-07-10 Microsoft Corporation Secure communication with a keyboard or related device
CN100483992C (zh) * 2003-05-06 2009-04-29 国际商业机器公司 数据流的加密、解密方法和装置
US7200226B2 (en) * 2003-09-04 2007-04-03 Intel Corporation Cipher block chaining decryption
US20050132201A1 (en) * 2003-09-24 2005-06-16 Pitman Andrew J. Server-based digital signature
US7280956B2 (en) * 2003-10-24 2007-10-09 Microsoft Corporation System, method, and computer program product for file encryption, decryption and transfer
US20050149739A1 (en) * 2003-12-31 2005-07-07 Hewlett-Packard Development Company, L.P. PIN verification using cipher block chaining
US7802085B2 (en) * 2004-02-18 2010-09-21 Intel Corporation Apparatus and method for distributing private keys to an entity with minimal secret, unique information
US7702104B2 (en) * 2004-04-01 2010-04-20 International Business Machines Corporation System and method for securing genomic information
WO2006005039A2 (en) * 2004-06-30 2006-01-12 Eztakes, Inc. Digital content protection for peer to peer networks
US7746853B2 (en) * 2004-08-16 2010-06-29 Cisco Technology, Inc. Method and apparatus for transporting broadcast video over a packet network including providing conditional access
US7506160B2 (en) * 2004-11-12 2009-03-17 Toshiba Corporation System and method for enhanced data security in office machine environment
JP4549303B2 (ja) * 2005-02-07 2010-09-22 株式会社ソニー・コンピュータエンタテインメント パイプラインを用いてメッセージ認証コードを提供する方法および装置
US20060294595A1 (en) * 2005-06-27 2006-12-28 Check Point Software Technologies Ltd. Component selector

Also Published As

Publication number Publication date
US7428306B2 (en) 2008-09-23
US20070253549A1 (en) 2007-11-01
WO2007118829A1 (en) 2007-10-25
CN101401105A (zh) 2009-04-01
US8107621B2 (en) 2012-01-31
EP2016525B1 (de) 2012-03-14
US20080310624A1 (en) 2008-12-18
CN101401105B (zh) 2010-09-22
EP2016525A1 (de) 2009-01-21

Similar Documents

Publication Publication Date Title
ATE549688T1 (de) Verschlüsselungsvorrichtung und verfahren zur bereitstellung eines verschlüsselten dateisystems
MXPA05004270A (es) Interpretacion de contenido digital en un sistema de proteccion de contenido de acuerdo con una pluralidad de licencias digitales encadenadas.
GB2498039B (en) Password recovery service
EA200601497A1 (ru) Способ (варианты) и устройство для криптографической обработки данных (варианты)
CN102355352B (zh) 一种数据机密性和完整性保护方法
WO2008001327A3 (en) Method and apparatus for encrypting/decrypting data
GB2442546B (en) Authenticated encryption method and apparatus
WO2013068843A3 (en) Multi-key cryptography for encrypting file system acceleration
TW200701728A (en) Data-encrypting/decrypting method, data-saving media using the method, and data-encrypting/decrypting module
WO2008086241B1 (en) A method of two strings private key (symmetric) encryption and decryption algorithm
CN104657670A (zh) 一种基于数据加密的配置文件安全使用方法
CN103338445A (zh) 文件加解密方法及系统
WO2009010985A3 (en) Method and apparatus for securing data and communication
HUP0600208A2 (en) Symmetric key cryptographic apparatus and method for encryption and decryption of information
RU2010100883A (ru) Основание и проверка достоверности документов, защищенных криптографически
CN103440463A (zh) 一种基于标签的电子文件保护方法
JP2011237859A5 (de)
CN110213052A (zh) 数据处理方法与装置
CN109510702A (zh) 一种基于计算机特征码的密钥存储及使用的方法
GB2500557A (en) Data encryption
GB201108816D0 (en) A secure computer network
CN102629236B (zh) 基于不等长计数器的存储器保护方法
WO2007107976A3 (en) Period keys
EP3896592A4 (de) Elektronische vorrichtung zur auswahl eines schlüssels zur verschlüsselung auf basis der informationsmenge der zu verschlüsselnden daten und betriebsverfahren für eine elektronische vorrichtung
Fahrianto et al. Encrypted SMS application on Android with combination of caesar cipher and vigenere algorithm