CN102084375A - 支持使用不同安全密钥的多个无接触应用的系统、方法、以及计算机程序产品 - Google Patents
支持使用不同安全密钥的多个无接触应用的系统、方法、以及计算机程序产品 Download PDFInfo
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- CN102084375A CN102084375A CN200980123014XA CN200980123014A CN102084375A CN 102084375 A CN102084375 A CN 102084375A CN 200980123014X A CN200980123014X A CN 200980123014XA CN 200980123014 A CN200980123014 A CN 200980123014A CN 102084375 A CN102084375 A CN 102084375A
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
- H04W12/086—Access security using security domains
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- 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
- H04L2209/80—Wireless
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/40—Security arrangements using identity modules
- H04W12/47—Security arrangements using identity modules using near field communication [NFC] or radio frequency identification [RFID] modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/105,778 US7967215B2 (en) | 2008-04-18 | 2008-04-18 | Systems, methods, and computer program products for supporting multiple contactless applications using different security keys |
US12/105,778 | 2008-04-18 | ||
PCT/US2009/041139 WO2009129535A2 (en) | 2008-04-18 | 2009-04-20 | Systems, methods, and computer program products for supporting multiple contactless applications using different security keys |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102084375A true CN102084375A (zh) | 2011-06-01 |
CN102084375B CN102084375B (zh) | 2014-04-09 |
Family
ID=41199791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980123014.XA Active CN102084375B (zh) | 2008-04-18 | 2009-04-20 | 支持使用不同安全密钥的多个无接触应用的系统、方法、以及装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7967215B2 (zh) |
EP (1) | EP2289015B1 (zh) |
CN (1) | CN102084375B (zh) |
BR (1) | BRPI0911217B1 (zh) |
WO (1) | WO2009129535A2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014135080A1 (zh) * | 2013-10-29 | 2014-09-12 | 中兴通讯股份有限公司 | 存储空间共享方法和装置 |
CN110169096A (zh) * | 2017-01-13 | 2019-08-23 | 高通股份有限公司 | 用于指示与非接触式应用安装器的交通基础设施兼容性的机制 |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA04010077A (es) * | 2004-10-13 | 2006-05-03 | Iusa Sa De Cv | Sistema de prepago para medidores de energia electrica por tarjeta inteligente sin contacto con dispositivo automatico de corte de suministro. |
SK50042008A3 (sk) * | 2008-01-04 | 2009-09-07 | Logomotion, S. R. O. | Spôsob a systém autentifikácie najmä pri platbách, identifikátor totožnosti a/alebo súhlasu |
WO2009109877A1 (en) * | 2008-03-04 | 2009-09-11 | Nxp B.V. | Mobile communication device and method for implementing mifare memory multiple sectors mechanisms |
WO2009113017A1 (en) * | 2008-03-10 | 2009-09-17 | Nxp B.V. | Method and devices for installing and retrieving linked mifare applications |
SK288721B6 (sk) * | 2008-03-25 | 2020-01-07 | Smk Kk | Spôsob, zapojenie a nosič na vykonávanie opakovaných operácií na klávesnici mobilného komunikačného zariadenia |
US7967215B2 (en) | 2008-04-18 | 2011-06-28 | Vivotech Inc. | Systems, methods, and computer program products for supporting multiple contactless applications using different security keys |
EP2279502B1 (en) * | 2008-05-19 | 2016-01-27 | Nxp B.V. | Nfc mobile communication device and nfc reader |
EP2297634A2 (en) * | 2008-05-22 | 2011-03-23 | Nxp B.V. | Methods, systems and arrangements for wireless communication with near-field communication terminals |
US8769656B2 (en) * | 2008-05-29 | 2014-07-01 | Nxp B.V. | Method and trusted service manager for providing fast and secure access to applications on an IC card |
US20090307140A1 (en) * | 2008-06-06 | 2009-12-10 | Upendra Mardikar | Mobile device over-the-air (ota) registration and point-of-sale (pos) payment |
US8949937B2 (en) * | 2008-06-24 | 2015-02-03 | Nxp, B.V. | Method of accessing applications in a secure mobile environment |
CN102132457B (zh) * | 2008-08-29 | 2016-01-20 | Smk公司 | 用于非接触通信的可移动卡、它的用途和制造方法 |
JP5500332B2 (ja) * | 2008-09-12 | 2014-05-21 | ソニー株式会社 | Icチップ、情報処理装置、ソフトウェアモジュール制御方法、情報処理システムおよび方法、並びにプログラム |
SK288757B6 (sk) * | 2008-09-19 | 2020-05-04 | Smk Kk | Systém a spôsob bezkontaktnej autorizácie pri platbe |
US9098845B2 (en) | 2008-09-19 | 2015-08-04 | Logomotion, S.R.O. | Process of selling in electronic shop accessible from the mobile communication device |
SK50862008A3 (sk) | 2008-09-19 | 2010-06-07 | Logomotion, S. R. O. | Systém na elektronické platobné aplikácie a spôsob autorizácie platby |
SK288747B6 (sk) * | 2009-04-24 | 2020-04-02 | Smk Kk | Spôsob a systém bezhotovostnej platobnej transakcie, najmä s použitím bezkontaktného platobného prostriedku |
US8082440B2 (en) * | 2008-09-29 | 2011-12-20 | Intel Corporation | Managed data region for server management |
SK288641B6 (sk) * | 2008-10-15 | 2019-02-04 | Smk Corporation | Spôsob komunikácie s POS terminálom, frekvenčný konventor k POS terminálu |
SK500092009A3 (sk) * | 2009-02-27 | 2010-09-07 | Logomotion, S. R. O. | Počítačová myš na zapojenie na prenos údajov, najmä pri elektronických platbách, spôsob prenosu údajov |
US9230259B1 (en) | 2009-03-20 | 2016-01-05 | Jpmorgan Chase Bank, N.A. | Systems and methods for mobile ordering and payment |
AU2010244100B2 (en) | 2009-05-03 | 2016-06-23 | Smk-Logomotion Corporation | A payment terminal using a mobile communication device, such as a mobile phone; a method of direct debit payment transaction |
JP5523011B2 (ja) * | 2009-08-13 | 2014-06-18 | キヤノン株式会社 | 情報処理装置、情報処理方法およびプログラム |
US8370935B1 (en) | 2009-08-17 | 2013-02-05 | Fatskunk, Inc. | Auditing a device |
US8544089B2 (en) * | 2009-08-17 | 2013-09-24 | Fatskunk, Inc. | Auditing a device |
US8949989B2 (en) | 2009-08-17 | 2015-02-03 | Qualcomm Incorporated | Auditing a device |
US8375442B2 (en) * | 2009-08-17 | 2013-02-12 | Fatskunk, Inc. | Auditing a device |
US9031869B2 (en) | 2010-10-13 | 2015-05-12 | Gift Card Impressions, LLC | Method and system for generating a teaser video associated with a personalized gift |
US9483786B2 (en) | 2011-10-13 | 2016-11-01 | Gift Card Impressions, LLC | Gift card ordering system and method |
US9691055B2 (en) | 2010-12-17 | 2017-06-27 | Google Inc. | Digital wallet |
US8335921B2 (en) * | 2010-12-17 | 2012-12-18 | Google, Inc. | Writing application data to a secure element |
US8807440B1 (en) | 2010-12-17 | 2014-08-19 | Google Inc. | Routing secure element payment requests to an alternate application |
US8352749B2 (en) | 2010-12-17 | 2013-01-08 | Google Inc. | Local trusted services manager for a contactless smart card |
KR101514029B1 (ko) * | 2010-12-31 | 2015-04-21 | 주식회사 케이티 | 사용자 단말을 이용한 출입 인증 방법 및 장치 |
EP2662819A2 (en) | 2011-01-04 | 2013-11-13 | AQ Co., Ltd | System for providing advertisement information |
US20120239810A1 (en) * | 2011-03-18 | 2012-09-20 | International Business Machines Corporation | System, method and computer program product for clustered computer environment partition resolution |
US8862767B2 (en) | 2011-09-02 | 2014-10-14 | Ebay Inc. | Secure elements broker (SEB) for application communication channel selector optimization |
US8171525B1 (en) | 2011-09-15 | 2012-05-01 | Google Inc. | Enabling users to select between secure service providers using a central trusted service manager |
US8255687B1 (en) | 2011-09-15 | 2012-08-28 | Google Inc. | Enabling users to select between secure service providers using a key escrow service |
US8313036B1 (en) | 2011-09-16 | 2012-11-20 | Google Inc. | Secure application directory |
US9544759B2 (en) | 2011-11-01 | 2017-01-10 | Google Inc. | Systems, methods, and computer program products for managing states |
MX341641B (es) | 2011-11-01 | 2016-08-29 | Google Inc | Sistemas, metodos y productos de programas de computadora para interconectar multiples gestores de servicios de confianza proveedores de servicios y elementos de seguridad. |
US10007906B2 (en) | 2011-11-17 | 2018-06-26 | Abdolreza Behjat | Using a mobile device in a commercial transaction |
US10713709B2 (en) | 2012-01-30 | 2020-07-14 | E2Interactive, Inc. | Personalized webpage gifting system |
US10430865B2 (en) | 2012-01-30 | 2019-10-01 | Gift Card Impressions, LLC | Personalized webpage gifting system |
US8385553B1 (en) | 2012-02-28 | 2013-02-26 | Google Inc. | Portable secure element |
KR101900047B1 (ko) * | 2012-03-12 | 2018-09-18 | 삼성전자주식회사 | 애플리케이션이 필요로 하는 권한을 진단하는 방법 및 장치 |
US8429409B1 (en) | 2012-04-06 | 2013-04-23 | Google Inc. | Secure reset of personal and service provider information on mobile devices |
WO2013177412A2 (en) | 2012-05-24 | 2013-11-28 | Jvl Ventures, Llc | Systems, methods, and computer program products for providing a contactless protocol |
ES2719609T3 (es) * | 2012-06-21 | 2019-07-11 | Ericsson Telefon Ab L M | Sistema de NFC que comprende una pluralidad de elementos seguros |
WO2014011453A2 (en) | 2012-07-09 | 2014-01-16 | Jvl Ventures, Llc | Systems, methods, and computer program products for integrating third party services with a mobile wallet |
US20140019367A1 (en) * | 2012-07-13 | 2014-01-16 | Apple Inc. | Method to send payment data through various air interfaces without compromising user data |
US8676709B2 (en) | 2012-07-31 | 2014-03-18 | Google Inc. | Merchant category codes in a proxy card transaction |
EP2852910B1 (en) | 2012-09-18 | 2018-09-05 | Google LLC | Systems, methods, and computer program products for interfacing multiple service provider trusted service managers and secure elements |
US20140118146A1 (en) * | 2012-10-30 | 2014-05-01 | Jen-chih Liu | Intelligence ic lock |
US9767287B2 (en) | 2013-01-25 | 2017-09-19 | Google Inc. | Systems, methods, and computer program products for managing data re-installation |
US9646302B2 (en) | 2013-03-26 | 2017-05-09 | Google Inc. | Systems, methods, and computer program products for managing wallet activation |
US9495558B2 (en) | 2013-03-26 | 2016-11-15 | Google Inc. | Systems, methods, and computer program products for managing access control |
WO2014160636A1 (en) | 2013-03-26 | 2014-10-02 | Jvl Ventures Llc | Systems, methods, and computer program products for managing service installation |
US11030315B2 (en) | 2013-05-21 | 2021-06-08 | Google Llc | Systems, methods, and computer program products for managing disabling of services |
WO2014204832A1 (en) | 2013-06-17 | 2014-12-24 | Jvl Ventures, Llc | Systems, methods, and computer program products for processing a request relating to a mobile communication device |
US9292345B2 (en) | 2013-07-08 | 2016-03-22 | Google Inc. | Systems, methods, and computer program products for processing sets of instructions for mobile devices |
GB2514428B (en) * | 2013-08-19 | 2016-01-13 | Visa Europe Ltd | Enabling access to data |
US9311491B2 (en) | 2013-09-30 | 2016-04-12 | Google Inc. | Systems, methods, and computer program products for securely managing data on a secure element |
WO2015054207A1 (en) | 2013-10-10 | 2015-04-16 | Jvl Ventures, Llc | Systems, methods, and computer program products for managing contactless transactions |
WO2015053924A1 (en) | 2013-10-10 | 2015-04-16 | Jvl Ventures, Llc | Systems, methods, and computer program products for storing and managing program data |
EP3085128A4 (en) | 2013-12-19 | 2017-05-03 | Google, Inc. | Systems, methods, and computer program products for obtaining mobile device data |
EP3085011A4 (en) | 2013-12-19 | 2017-08-16 | Google, Inc. | Systems, methods, and computer program products for service processing |
US9471144B2 (en) | 2014-03-31 | 2016-10-18 | Gift Card Impressions, LLC | System and method for digital delivery of reveal videos for online gifting |
US10262346B2 (en) | 2014-04-30 | 2019-04-16 | Gift Card Impressions, Inc. | System and method for a merchant onsite personalization gifting platform |
DE102014112347A1 (de) * | 2014-08-28 | 2016-03-03 | Bundesdruckerei Gmbh | Zugriffsschutz für Fremddaten im nichtflüchtigen Speicher einer Chipkarte |
US10459714B2 (en) * | 2017-12-20 | 2019-10-29 | Coolbitx Ltd. | Method of updating firmware of closed storage device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040140351A1 (en) * | 2002-12-11 | 2004-07-22 | Scheidt & Bachmann Gmbh | Methods and systems for user media interoperability |
US20050086497A1 (en) * | 2003-10-15 | 2005-04-21 | Keisuke Nakayama | IC card system |
CN1717893A (zh) * | 2002-10-28 | 2006-01-04 | 诺基亚有限公司 | 设备密钥 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19742851A1 (de) * | 1997-09-29 | 1999-04-01 | Bosch Gmbh Robert | Funkgerät |
US6549912B1 (en) | 1998-09-23 | 2003-04-15 | Visa International Service Association | Loyalty file structure for smart card |
JP4253466B2 (ja) * | 2002-05-08 | 2009-04-15 | 株式会社リコー | 画像形成装置および共有メモリ調停方法 |
DE10339212A1 (de) * | 2003-08-26 | 2005-03-31 | Infineon Technologies Ag | Datenübertragungssystem und Verfahren zum Betreiben eines Datenübertragungssystems |
JP4097623B2 (ja) | 2004-04-26 | 2008-06-11 | システムニーズ株式会社 | 本人認証インフラストラクチャシステム |
AU2006203516A1 (en) | 2005-08-15 | 2007-03-01 | Assa Abloy Ab | Unified reference ID mechanism in a multi-application machine readable credential |
US7657754B2 (en) * | 2005-12-08 | 2010-02-02 | Agere Systems Inc | Methods and apparatus for the secure handling of data in a microcontroller |
US7967215B2 (en) | 2008-04-18 | 2011-06-28 | Vivotech Inc. | Systems, methods, and computer program products for supporting multiple contactless applications using different security keys |
-
2008
- 2008-04-18 US US12/105,778 patent/US7967215B2/en active Active
-
2009
- 2009-04-20 WO PCT/US2009/041139 patent/WO2009129535A2/en active Application Filing
- 2009-04-20 EP EP09732610.2A patent/EP2289015B1/en active Active
- 2009-04-20 BR BRPI0911217-0A patent/BRPI0911217B1/pt active IP Right Grant
- 2009-04-20 CN CN200980123014.XA patent/CN102084375B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1717893A (zh) * | 2002-10-28 | 2006-01-04 | 诺基亚有限公司 | 设备密钥 |
US20040140351A1 (en) * | 2002-12-11 | 2004-07-22 | Scheidt & Bachmann Gmbh | Methods and systems for user media interoperability |
US20050086497A1 (en) * | 2003-10-15 | 2005-04-21 | Keisuke Nakayama | IC card system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014135080A1 (zh) * | 2013-10-29 | 2014-09-12 | 中兴通讯股份有限公司 | 存储空间共享方法和装置 |
CN104580333A (zh) * | 2013-10-29 | 2015-04-29 | 中兴通讯股份有限公司 | 存储空间共享方法和装置 |
CN110169096A (zh) * | 2017-01-13 | 2019-08-23 | 高通股份有限公司 | 用于指示与非接触式应用安装器的交通基础设施兼容性的机制 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0911217A2 (pt) | 2015-09-29 |
WO2009129535A2 (en) | 2009-10-22 |
BRPI0911217B1 (pt) | 2020-12-29 |
WO2009129535A3 (en) | 2010-01-21 |
CN102084375B (zh) | 2014-04-09 |
EP2289015A2 (en) | 2011-03-02 |
EP2289015A4 (en) | 2013-12-25 |
US7967215B2 (en) | 2011-06-28 |
EP2289015B1 (en) | 2019-12-25 |
US20090261172A1 (en) | 2009-10-22 |
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Owner name: MASTERCARD INTERNATIONAL INC. Free format text: FORMER OWNER: VIVO TECHNOLOGY CO., LTD. Effective date: 20130603 Owner name: VIVO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: VIVOTECH INC. Effective date: 20130603 |
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Effective date of registration: 20130603 Address after: American New York Applicant after: MASTERCARD INTERNATIONAL Inc. Address before: American California Applicant before: Wewo technology LLC Effective date of registration: 20130603 Address after: American California Applicant after: Wewo technology LLC Address before: American California Applicant before: Vivotech Inc. |
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