WO2005053263A2 - Méthode d'authentification d'applications - Google Patents
Méthode d'authentification d'applications Download PDFInfo
- Publication number
- WO2005053263A2 WO2005053263A2 PCT/EP2004/053116 EP2004053116W WO2005053263A2 WO 2005053263 A2 WO2005053263 A2 WO 2005053263A2 EP 2004053116 W EP2004053116 W EP 2004053116W WO 2005053263 A2 WO2005053263 A2 WO 2005053263A2
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- application
- sim
- app
- cryptogram
- equipment
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Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/30—Security of mobile devices; Security of mobile applications
- H04W12/35—Protecting application or service provisioning, e.g. securing SIM application provisioning
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/51—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems at application loading time, e.g. accepting, rejecting, starting or inhibiting executable software based on integrity or source reliability
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/55—Detecting local intrusion or implementing counter-measures
- G06F21/554—Detecting local intrusion or implementing counter-measures involving event detection and direct action
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- 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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- 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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
-
- 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
-
- 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
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
-
- 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
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
-
- 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
- H04W12/10—Integrity
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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
- H04W4/60—Subscription-based services using application servers or record carriers, e.g. SIM application toolkits
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2153—Using hardware token as a secondary aspect
-
- 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
- H04L63/12—Applying verification of the received information
Definitions
- the present invention relates to the field of mobile networks also called cellular networks. It relates more particularly to the management of application security implemented with a security module associated with mobile equipment of mobile telephony.
- the security module of a mobile or portable telephone is known by the name "SIM card” (Subscriber Identity Module) constituting the central element of the security of these telephones.
- SIM card Subscriber Identity Module
- the telephone operator introduces, during manufacture and / or during a personalization phase, a number called IMSI (International Mobile Subscriber Identification) used to identify in a safe and unique way each subscriber wishing to connect to a mobile network .
- IMSI International Mobile Subscriber Identification
- Each mobile phone, called mobile equipment below, is physically identified by a number stored in a non-volatile memory of the mobile equipment.
- IMEI International Mobile Equipment Identifier
- GSM Global System for Mobile communications
- GPRS General Packet Radio System
- UMTS Universal Mobile Telecommunications System
- a mobile device is characterized by a software version SVN (Software Version Number) indicating the update status of the basic software installed on the mobile device.
- SVN Software Version Number
- IMEISV International Mobile Equipment Identifier and Software Version Number
- WLAN Wireless LAN
- the physical identifier can be a MAC address (Media Access Control) which corresponds to the unique address identifying the configuration of a user's hardware on an IP (Internet Protocol) network and the software version can be transmitted by protocols. IP-based top layer.
- the ETSI standards (“European Telecommunications Standards Institute") define a mobile station (MS, mobile station) composed of mobile equipment (ME, mobile equipment) and a subscriber module (SIM, subscriber identity module). This the subscriber module is generally removable, that is to say it can be either removed or transferred from one mobile device to another.
- Verification therefore becomes necessary at least on two levels: on the one hand at the level of the mobile equipment itself and on the other hand at that of the software applications allowing the operation of the various services offered by the operator or third parties .
- These applications are usually downloaded from the server of an application provider, which implies the need to verify this download. It is therefore a question of ensuring that the subscriber module provides information only to authorized applications once this module has been recognized by the control server as being able to operate with the mobile equipment in which it is inserted.
- the subscriber module can contain confidential information such as a bank account number or a password.
- An application running on mobile equipment will be in charge of using this personal data in order to provide the expected service. However, an application could divert this personal data for purposes other than dialogue with the application provider concerned. This may result in significant harm to the owner of the subscriber module.
- These applications executed in the mobile equipment use resources available in the subscriber module. By resources, we mean various functions and data necessary for the proper functioning of an application. Some of these resources may be common to several applications, in particular security-related functions. The subscriber module can thus block or alter the operation of certain applications for which the security conditions established by the operator and / or the application providers are not respected in the mobile equipment in question or the rights of the user. of mobile equipment are insufficient.
- the document FR2831362 describes a secure transaction method between a mobile telephone provided with a SIM card and an application server. The purpose of this process is to protect the rights linked to the use of applications downloaded from the server by means of the SIM card.
- a link of trust is first established between the server and the SIM card by the secure exchange of public keys, then a purchase of an application is made by the transmission of a request file by the mobile equipment to the server.
- This partially or fully encrypts the application and transmits to the mobile equipment a cryptogram formed by the encryption key and a command, all encrypted with a public key known to the SIM card.
- this cryptogram is decrypted and the key stored in the SIM card.
- the execution of the command results in the downloading to the mobile equipment of the application partially or fully encrypted by the server.
- the application is decrypted by the key stored in the SIM card and then installed in the mobile equipment.
- the rights to use the application in the mobile equipment are protected due to the bond of trust established initially between the equipment and the server and preceding the transaction.
- the role played by the server is concentrated here rather in the rights management or DRM (Digital Rights Management) of the users of an application in a mobile device.
- DRM Digital Rights Management
- the solution developed below is rather oriented towards Risk Management. account by the operator, application provider or user in relation to an application.
- the object of the present invention is to propose a method of authenticating one or more applications in mobile equipment both during their downloading and during their execution. This is to limit the risks linked to the fact that a subscriber module is misused either by applications that do not meet certain security criteria, or by mobile equipment that does not meet certain pre-established security criteria.
- Another purpose is to protect the user of the mobile equipment as well as the application providers concerned against abuses resulting from the use of unauthorized applications.
- a cryptogram comprising a fingerprint of the application, data identifying the equipment and the security module and instructions intended for said module, transmission of said cryptogram, via the network and the equipment, to the security module, verification of the application by comparing the fingerprint extracted from the cryptogram received with a fingerprint determined by the security module, said method is characterized in that, during the initialization and / or activation of the application, the module security executes the instructions extracted from the cryptogram and frees, respectively blocks access to certain resources of said security module according to the result of the verification specific to this application carried out beforehand.
- the resources of the security module are blocked or released in a targeted manner, this in order to make certain applications usable or not. We do not directly block or release applications from mobile equipment: we act indirectly on applications, that is to say that the blocking or release effect will only appear when the mobile equipment will try to run these applications.
- the equipment is, for example, mobile telephone equipment and the security module a subscriber module or SIM card.
- This set is connected to a mobile network of the GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), UMTS (Universal Mobile Telecommunications System) or other type, managed by an operator control server.
- Software applications are installed in the mobile equipment and configured so as to use the resources (data or functions) present in the subscriber module. They cannot therefore be used in their entirety only if the security conditions are satisfied according to criteria predetermined by the operator and / or the application supplier. This verification of the criteria is the responsibility of the control server.
- the application following the instructions sent by the control server, is ultimately the responsibility of the security module which can leave free or block access to resources necessary for the proper functioning of an application installed in the mobile equipment.
- the data of these resources can include information such as account number, programs (in the form of code that can be installed in mobile equipment), encryption / decryption keys, access rights to content, etc. .
- the functions of these resources can include cryptographic algorithms, verification processes, digital signature generation processes, encryption processes, authentication processes, data validation processes, access control processes, data backup processes, payment processes etc.
- the method according to the invention is based on the fact that an application is associated with a cryptogram which conditions the use of the application on mobile equipment connected to a network.
- the link between the server and the security module is used to optimally control its resources and to decide whether or not to put them into service in relation to the applications executed. in mobile equipment.
- the command received from the server in the process of the cited document, makes it possible to control the use of the application installed in the mobile equipment, while in the present method, it makes it possible to activate or deactivate resources of the security module .
- this reduction may relate to the maximum amount authorized for the purchase of services and moreover, these services could only be obtained in a given place (shopping center, stadium, station, airport, etc.)
- the cryptogram is transmitted to the subscriber module during the loading of the application.
- it is the application which will seek the cryptogram on the control server during its first use.
- the authentication method according to the invention also applies during the execution of an application by the mobile equipment, which makes it possible to ensure, using the subscriber module, that this application is authorized to access certain resources (data or functions) contained in said subscriber module.
- the subscriber module can regularly check the cryptogram attached to an application during the execution of said application. For example, the insertion of a user's subscriber module into other mobile equipment will influence the operation of certain applications without preventing the establishment of conventional telephone communications.
- This barrier acts as a filter to eliminate unauthorized mobile equipment or applications from sources not approved by the operator or a partner application supplier.
- a modification of the application by a third party is also detected by the subscriber module, which will refuse to execute certain commands received, thus resulting in the blocking or limitations of the execution of the application.
- the control server therefore plays an essential role in managing the elements of trust or security linked to the mobile equipment / subscriber module assembly. It interprets the data transmitted to it by the mobile equipment in order to control or limit the use of applications thanks to the resources (data or functions) stored in the subscriber module.
- the server receiving the identity information of a mobile device and its subscriber module and comprising the identifiers IMEISV and the IMSI decides, according to certain criteria, if a new instruction must be sent to the subscriber module to redefine a new protection profile defining the resources of the subscriber module that can be used by the applications executed in the mobile equipment.
- the criteria can refer, for example, to the update of the software version installed on the mobile equipment, to the downloading of new applications on the mobile equipment, to the period of update of the protection profile, to the number of connections to the network, to the technology used for network access, to the identity of the access network used. They are also linked to various risks associated with the hardware or software used that the operator and / or the application provider and / or the user of the mobile equipment wish to take into account.
- Verification of the cryptogram can be carried out during the first start-up or when using an application for the first time or each time it is started. According to a variant, it can be executed periodically at a given rate according to instructions from the control server.
- the attached cryptogram accompanying the application generally includes a fingerprint of the application itself, i.e. a data block calculated from the code of the application using a one-way hash mathematical function.
- the subscriber module verifies the validity of the cryptogram, it also identifies, indirectly, the mobile equipment and ensures that the data actually come from the control server. In other words, by this cryptogram, the control server implicitly gives the subscriber module the assurance that the type and version of software of the mobile equipment have been taken into account, that the loading of the application has been controlled. and that the application is authentic. According to instructions previously received, the subscriber module will decide to authorize or refuse requests or commands from the application.
- the mobile equipment plays a relay role in this verification step by establishing an almost direct dialogue between the subscriber module and the control server.
- the security of the messages exchanged is ensured from end to end between the control server and the subscriber module via the execution environment of the applications of the mobile equipment. This therefore cannot "cheat” or transform the data vis-à-vis the subscriber module.
- the present invention also relates to a security module comprising resources intended to be locally accessed by at least one application installed in equipment connected to a network, said equipment comprising means for reading and transmitting data comprising at least the identifier of the equipment and the identifier of the security module, said module is characterized in that it comprises means for receiving, storing and analyzing a cryptogram containing among other data a fingerprint of said application and instructions, means for verifying said application and means for extracting and executing the instructions contained in the cryptogram releasing or blocking certain resources according to the result of the verification of the application.
- This security module is used for example as a subscriber module or SIM card connected to mobile equipment.
- FIG. 1a illustrates a block diagram showing the process of installing an application according to a first embodiment where the cryptogram is delivered via the application execution environment.
- Figure 1b illustrates the cryptogram verification process according to the mode of Figure 1a.
- Figure 1c illustrates the process of executing the application using the resources of the subscriber module according to the mode of Figure 1a.
- FIG. 2a illustrates a block diagram showing the process of installing an application according to a second mode where the application alone is downloaded.
- Figure 2b illustrates the verification process where the application requests a cryptogram from the control server according to the mode of Figure 2a.
- Figure 2c illustrates the process of executing the application using the resources of the subscriber module according to the mode of Figure 2a.
- FIG. 3a illustrates a block diagram showing the process of installing an application according to a third mode where the application alone is downloaded.
- FIG. 3b illustrates the verification process where the application requests a cryptogram and a fingerprint of the application from the control server according to the mode of FIG. 3a.
- FIG. 3c illustrates the process of the execution of the application using the resources of the subscriber module according to the mode of FIG. 3a.
- FIG. 4 illustrates the structure of an example cryptogram.
- the block diagrams of Figures 1a, 1b, 1c, 2a, 2b, 2c, 3a, 3b, 3c show a set of mobile equipment (CB) subscriber module (SIM) containing resources (RES) connected via a mobile network (NET) to a control server (CSE) administered by an operator.
- This server (CSE) is connected to one or more application providers (FA).
- the mobile equipment (CB) includes one or more software applications (APP) operating in an execution environment (AEE).
- APP software applications
- AEE execution environment
- These applications (APP) come either from the application supplier (FA) associated with the operator's control server (CSE), or they can be programmed from the manufacturer of the mobile equipment (CB). In the latter case, it is sometimes necessary to download updates which are also checked by the subscriber module (SIM).
- the cryptogram (CRY) of an application is delivered to the subscriber module (SIM) via the application execution environment (AEE ) during the application installation process (APP).
- FIG 1a illustrates the installation process where the mobile equipment (CB) first transmits data used for identification (ID) of the subscriber module (SIM) that the control server (CSE) checks.
- This identification (ID) is carried out from the identifier (IMSI) of the subscriber module (SIM) and the unique identifier (IMEISV) of the mobile equipment (CB).
- An application (APP) is then downloaded from the server (CSE) accompanied by a cryptogram (CRY) which will be transmitted to the subscriber module (SIM) via the execution environment (AEE) for verification as illustrated in the figure 1 b.
- the supplier (FA) is considered trustworthy by the operator, that is to say that the applications (APP) are approved and operate without causing any harm to the user and / or to the operator.
- the method according to the invention applies to several forms of applications (APP) executed in different types of execution environment (AEE).
- AEE execution environment
- many mobile phones have features from Java applications that are executed by a Java virtual machine (VM) serving as processor and environment.
- VM Java virtual machine
- the description below is based on the example of Java applications.
- other environments or operating systems such as Symbian OS, Windows, Palm OS, Linux etc. can be used as application support.
- a Java application requests the subscriber module (SIM), it informs the execution environment (AEE) by sending requests or commands (CMD).
- the execution environment (AEE) calculates the fingerprint (FIN2) of the application (APP) and sends it to the subscriber module (SIM).
- the cryptogram (CRY) which has been generated by the control server (CSE) and then loaded into the mobile equipment (CB) with the application (APP) (or separately), is stored in the subscriber module (SIM) .
- the latter first checks that he actually has the necessary data allowing him to decide whether to respond to requests or commands (CMD) from the application (APP).
- the subscriber module checks the fingerprint (FINI) from the stored cryptogram (CRY) by comparing it with the fingerprint (FIN2) associated with the application (APP) and provided by the application environment (AEE).
- This cryptogram (CRY) can be constituted in the form of a block encrypted by a private key of the RSA type (Rivest, Shamir, Adelman).
- This block represented by FIG. 4 contains for example, among other data, the IMSI identifier (ID_SIM) of the subscriber module (SIM), the identifier IMEISV (ID_CB) of the mobile equipment (CB), an identifier ( App_id) of the application, the fingerprint
- This private key would only be known to the control server (CSE), while its public part would be known to the subscriber module (SIM).
- SIM subscriber module
- the advantage of using of asymmetric keys resides in the fact that the key used to create cryptograms is not outside the control server (CSE).
- the key would be known to the server (CSE) and the subscriber module (SIM), for example an IDEA algorithm (International Data Encryption Algorithm) could be used to sign the block (IMSI, IMEISV, identifier of the application, application fingerprint, SIM resource identifiers, instructions for blocking / releasing SIM resources).
- IDEA International Data Encryption Algorithm
- TDES Triple Data Encryption Standard
- AES Advanced Encryption Standard
- the subscriber module checks the concordance of the different fields appearing in the cryptogram (CRY), in particular it checks the application identifiers (ID_APP) and the application fingerprints ( FINISHED) who are authorized or not to use its resources (RES) (data or functions).
- ID_APP application identifiers
- FINISHED application fingerprints
- the cryptogram can include a counter used to prevent the double use of the same cryptogram addressed to the subscriber module (SIM) (replay attack).
- SIM subscriber module
- two applications of the same type can have the same identifier and have the same fingerprint (FINISHED).
- the subscriber module (SIM) will also control the value of this counter by comparison with that of a reference counter stored and regularly updated.
- a variant of the counter is to use a random number (random number) generated by the subscriber module (SIM). This hazard is transmitted with the data sent to the control server (CSE). The latter returns this hazard in the response message and the subscriber module (SIM) can verify that it is indeed a new message. More generally, in order to avoid any risk of using an old cryptogram (CRY), the latter includes a variable predictable by the subscriber module (SIM), either a counter or a hazard.
- the cryptogram (CRY) generated using a key of the RSA or IDEA type can be replaced by a block generated with a shared key HMAC (Keyed-Hashing for Message Authentication) from the set ( IMSI, IMEISV, application identifier, application fingerprint, SIM resource identifiers, instructions for blocking / releasing SIM resources).
- HMAC is a mechanism for authenticating messages by using cryptographic hash functions such as MD5 (Message Digest) or SHA-1 (Secure Hash Algorithm), in combination with a shared key.
- This key present both in the control server (CSE) and in the subscriber module (SIM) can be loaded during the customization of the subscriber module (SIM) or during the installation of certain resources (RES ) in the subscriber module (SIM).
- each resource (RES) or group of resources in the subscriber module (SIM) can be associated with a different key, or else, the key can be global for all resources (RES) and unique for a given subscriber module (SIM).
- the cryptogram (CRY) thus allows the subscriber module (SIM) to know the resource or resources (RES) that can be released or blocked in the subscriber module (SIM) for the corresponding mobile equipment (CB).
- the two fingerprints used are decisive elements because they constitute a means of cryptographic control of the application (APP) by the mobile equipment (CB) and by the subscriber module (SIM). Such control is necessary in order to prevent a third-party application from authenticating with a given cryptogram (CRY).
- the cryptogram A authenticates the application A with the subscriber module A in a mobile device A
- another application B authenticates unduly with this same cryptogram A with the subscriber module A in mobile equipment A.
- the fingerprint of the application (FINI) included in the cryptogram (CRY) remains confidential from start to finish between the control server (CSE) and the subscriber module (SIM).
- the fingerprint (FINI) is encrypted by the control server (CSE) and decrypted by the subscriber module (SIM).
- the application (APP) can be personalized for a given load so that the fingerprint (FINI) included in the cryptogram (CRY) and the fingerprint (FIN2) of the application (APP) calculated by the execution environment (AEE) remains identical but depends on the identity of the mobile equipment (CB).
- Such a measure is necessary if one wishes to prevent a third-party application from authenticating with a given fingerprint in another application execution environment (AEE) whose interface with the subscriber module (SIM) would be compromised. Indeed, if the fingerprint A authenticates the application A with the subscriber module A in a mobile device A, it is necessary to avoid that another application B authenticates unduly with this same fingerprint A with the subscriber module B in mobile equipment B.
- each application (of the Java type) is accompanied by two cryptograms: a Java cryptogram intended for the virtual machine (VM) and a cryptogram (CRY) intended for the subscriber module (SIM).
- These two cryptograms include, among other things, the same application fingerprint (here called FIN2) which is that of the code of the Java application.
- FIN2 application fingerprint
- the subscriber module (SIM) must verify the cryptogram (CRY) of an application, it expects from the virtual machine (VM) the fingerprint (FIN2) associated with the application (APP) in question. it will necessarily have calculated before.
- the fingerprint of the application is transmitted by the mobile equipment (CB) to the subscriber module (SIM).
- This fingerprint does not come from the control server, it is calculated by the application execution environment (AEE) of the mobile equipment (CB) after the download of the application (APP).
- the mobile equipment (CB) transmits the cryptogram (CRY) previously loaded in addition to the application from the control server to the subscriber module.
- the latter can verify the fingerprint received by comparison.
- Mobile equipment (CB) cannot cheat until it knows the footprint expected by the subscriber module (SIM); if necessary, this would require rendering the footprint calculation function, usually a hash function, reversible or to find another fingerprint giving the same cryptogram (CRY) which is almost impossible.
- FIG 1b shows the cryptogram verification process (CRY) which can be carried out either regularly, for example before each request of the application (APP) concerned, or, preferably, only once before its installation or before its first use.
- the subscriber module (SIM) transmits an acceptance message (OK) to the execution environment (AEE).
- the application (APP) can then send its requests or commands (CMD) to the subscriber module (SIM) via the execution environment (AEE) and use the resources (RES) of the subscriber module (SIM).
- CMS requests or commands
- the latter accepts commands (CMD) by transmitting the appropriate responses (RSP) to the application (APP) via the execution environment (AEE), see Figure 1c.
- the subscriber module (SIM) transmits a refusal message (NOK) to the execution environment (AEE).
- the execution environment (AEE) can either cancel the application installation process (APP), or the application (APP) is installed and its requests or commands (CMD) addressed to the module subscriber (SIM) via the execution environment (AEE) will remain unanswered (RSP) and the resources (RES) of the subscriber module (SIM) cannot be used.
- the application execution environment (AEE) can relay the response to the control server (CSE).
- the subscriber module can thus indirectly send a confirmation (CF) of receipt of the cryptogram (CRY) to the control server (CSE) and allow end-to-end control of the operation, see FIG. 1b.
- the confirmation (CF) includes at least one success or error code for the operation as well as a counter used to protect against repetitive attacks.
- This message also allows the control server (CSE) to keep the counter associated with the subscriber module (SIM) up to date.
- the application (APP) is downloaded alone, after identification (ID) of the mobile equipment (CB), without cryptogram (CRY), see Figure 2a.
- the application requests, when it is launched by the user, a cryptogram (CRY) comprising the rights of use of resources (RES) for said application.
- This cryptogram (CRY) is downloaded from the control server (CSE) directly by the application (APP) which transmits it to the subscriber module (SIM) via the execution environment (AEE).
- the subscriber module (SIM) transmits a confirmation (CF) of receipt of the cryptogram (CRY) to the server (CSE), through the application (APP) and not through the execution environment ( AEE) as in the case of the first embodiment.
- the execution environment (AEE) only plays a relay role between the application (APP) and the subscriber module (SIM).
- Figures 3a, 3b, 3c show a third variant where the application APP is downloaded alone, after identification (ID) of the mobile equipment (CB), from the control server (CSE) or from an intermediate download server d 'applications (APP) see Figure 3a.
- the application loads the cryptogram (CRY) and the fingerprint (FIN2) directly from the server (CSE) or from an intermediate application download server (APP).
- the application environment (AEE) no longer calculates the fingerprint (FIN2) which is calculated by an external unit either by the CSE control server or by an intermediate server application download (APP).
- This third embodiment may be preferred since its advantage is that it does not require any modification of the execution environment (AEE) as it is currently defined for Java applications installed in mobile phones, that is to say say that modification of existing standards is not necessary.
- the mobile equipment can be replaced by non-mobile equipment such as a pay-TV decoder or a computer.
- Applications can be downloaded into the equipment from a server via a telecommunications network.
- a cryptogram associated with the application is stored in the security module and verified during commissioning or each time an application is started. The result of this verification conditions the operation of the application by freeing or blocking resources in the security module.
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Abstract
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Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002545159A CA2545159A1 (fr) | 2003-11-27 | 2004-11-26 | Methode d'authentification d'applications |
| BRPI0415788-5A BRPI0415788A (pt) | 2003-11-27 | 2004-11-26 | método para autenticar aplicativos |
| JP2006540462A JP2007519308A (ja) | 2003-11-27 | 2004-11-26 | アプリケーションの認証方法 |
| US10/577,857 US8261365B2 (en) | 2003-11-27 | 2004-11-26 | Method for the authentication of applications |
| AU2004310512A AU2004310512A1 (en) | 2003-11-27 | 2004-11-26 | Method for the authentication of applications |
| HK06112494.0A HK1092971B (en) | 2003-11-27 | 2004-11-26 | Method for the authentication of applications |
| DE602004011559T DE602004011559T2 (de) | 2003-11-27 | 2004-11-26 | Verfahren zur authentifikation von anwendungen |
| EP04804580A EP1687953B1 (fr) | 2003-11-27 | 2004-11-26 | Méthode d'authentification d'applications |
| IL175255A IL175255A0 (en) | 2003-11-27 | 2006-04-27 | Method for the authentication of applications |
| ZA2006/04290A ZA200604290B (en) | 2003-11-27 | 2006-05-26 | Method for the authentication of applications |
| US13/557,266 US8813253B2 (en) | 2003-11-27 | 2012-07-25 | Method for the authentication of applications |
| US14/332,946 US9143888B2 (en) | 2003-11-27 | 2014-07-16 | Method for the authentication of applications |
| US14/825,664 US9531681B2 (en) | 2003-11-27 | 2015-08-13 | Method for the authentication of applications |
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| EP03104412A EP1536606A1 (fr) | 2003-11-27 | 2003-11-27 | Méthode d'authentification d'applications |
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| US13/557,266 Continuation US8813253B2 (en) | 2003-11-27 | 2012-07-25 | Method for the authentication of applications |
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| US (4) | US8261365B2 (fr) |
| EP (2) | EP1536606A1 (fr) |
| JP (1) | JP2007519308A (fr) |
| KR (1) | KR20060116822A (fr) |
| CN (1) | CN1886963A (fr) |
| AT (1) | ATE385120T1 (fr) |
| AU (1) | AU2004310512A1 (fr) |
| BR (1) | BRPI0415788A (fr) |
| CA (1) | CA2545159A1 (fr) |
| DE (1) | DE602004011559T2 (fr) |
| ES (1) | ES2299898T3 (fr) |
| IL (1) | IL175255A0 (fr) |
| RU (1) | RU2364049C2 (fr) |
| TW (1) | TW200531493A (fr) |
| WO (1) | WO2005053263A2 (fr) |
| ZA (1) | ZA200604290B (fr) |
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| AU2003265034A1 (en) * | 2002-10-07 | 2004-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Security and privacy enhancements for security devices |
| US7440571B2 (en) * | 2002-12-03 | 2008-10-21 | Nagravision S.A. | Method for securing software updates |
| JP4067985B2 (ja) * | 2003-02-28 | 2008-03-26 | 松下電器産業株式会社 | アプリケーション認証システムと装置 |
| SE0300670L (sv) * | 2003-03-10 | 2004-08-17 | Smarttrust Ab | Förfarande för säker nedladdning av applikationer |
| US20040199787A1 (en) * | 2003-04-02 | 2004-10-07 | Sun Microsystems, Inc., A Delaware Corporation | Card device resource access control |
| US7269732B2 (en) * | 2003-06-05 | 2007-09-11 | Sap Aktiengesellschaft | Securing access to an application service based on a proximity token |
| EP1492061A1 (fr) * | 2003-06-25 | 2004-12-29 | Nagracard S.A. | Méthode d'allocation de ressources sécurisées dans un module de sécurité |
| EP1654712A1 (fr) * | 2003-07-02 | 2006-05-10 | Mobipay International, S.A. | Systeme de transactions et de paiements par telephone mobile numerique |
| FI20031482A7 (fi) * | 2003-10-10 | 2005-04-11 | Open Bit Oy Ltd | Maksutapahtumatietojen prosessointi |
| EP1530392A1 (fr) * | 2003-11-04 | 2005-05-11 | Nagracard S.A. | Méthode de gestion de la sécurité d'applications avec un module de sécurité |
| US20050097053A1 (en) * | 2003-11-04 | 2005-05-05 | Nokia Corporation | System and associated terminal, method and computer program product for protecting content |
| JP2008002152A (ja) * | 2006-06-22 | 2008-01-10 | Shigeru Yaguchi | 先組み鉄筋ユニット及び該ユニット形成用の連結金具 |
-
2003
- 2003-11-27 EP EP03104412A patent/EP1536606A1/fr not_active Withdrawn
-
2004
- 2004-11-26 RU RU2006114721/09A patent/RU2364049C2/ru not_active IP Right Cessation
- 2004-11-26 CN CNA2004800346061A patent/CN1886963A/zh active Pending
- 2004-11-26 AT AT04804580T patent/ATE385120T1/de active
- 2004-11-26 JP JP2006540462A patent/JP2007519308A/ja not_active Withdrawn
- 2004-11-26 KR KR1020067009600A patent/KR20060116822A/ko not_active Withdrawn
- 2004-11-26 CA CA002545159A patent/CA2545159A1/fr not_active Abandoned
- 2004-11-26 US US10/577,857 patent/US8261365B2/en not_active Expired - Lifetime
- 2004-11-26 WO PCT/EP2004/053116 patent/WO2005053263A2/fr not_active Ceased
- 2004-11-26 BR BRPI0415788-5A patent/BRPI0415788A/pt not_active IP Right Cessation
- 2004-11-26 DE DE602004011559T patent/DE602004011559T2/de not_active Expired - Lifetime
- 2004-11-26 ES ES04804580T patent/ES2299898T3/es not_active Expired - Lifetime
- 2004-11-26 TW TW093136580A patent/TW200531493A/zh unknown
- 2004-11-26 EP EP04804580A patent/EP1687953B1/fr not_active Expired - Lifetime
- 2004-11-26 AU AU2004310512A patent/AU2004310512A1/en not_active Abandoned
-
2006
- 2006-04-27 IL IL175255A patent/IL175255A0/en unknown
- 2006-05-26 ZA ZA2006/04290A patent/ZA200604290B/en unknown
-
2012
- 2012-07-25 US US13/557,266 patent/US8813253B2/en not_active Expired - Fee Related
-
2014
- 2014-07-16 US US14/332,946 patent/US9143888B2/en not_active Expired - Lifetime
-
2015
- 2015-08-13 US US14/825,664 patent/US9531681B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008046212A1 (fr) * | 2006-10-20 | 2008-04-24 | Research In Motion Limited | Procédé et appareil de commande d'utilisation d'applications sur des dispositifs portatifs basés sur un service réseau |
| CN103546887A (zh) * | 2013-10-29 | 2014-01-29 | 小米科技有限责任公司 | 一种应用软件传输方法、装置、终端及服务器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9531681B2 (en) | 2016-12-27 |
| WO2005053263A3 (fr) | 2005-10-06 |
| TW200531493A (en) | 2005-09-16 |
| RU2006114721A (ru) | 2008-01-10 |
| ES2299898T3 (es) | 2008-06-01 |
| ZA200604290B (en) | 2008-01-08 |
| DE602004011559T2 (de) | 2009-01-29 |
| DE602004011559D1 (de) | 2008-03-13 |
| EP1687953A2 (fr) | 2006-08-09 |
| CA2545159A1 (fr) | 2005-06-09 |
| JP2007519308A (ja) | 2007-07-12 |
| US8813253B2 (en) | 2014-08-19 |
| ATE385120T1 (de) | 2008-02-15 |
| EP1687953B1 (fr) | 2008-01-23 |
| RU2364049C2 (ru) | 2009-08-10 |
| US20070198834A1 (en) | 2007-08-23 |
| US8261365B2 (en) | 2012-09-04 |
| AU2004310512A1 (en) | 2005-06-09 |
| US20140321646A1 (en) | 2014-10-30 |
| US9143888B2 (en) | 2015-09-22 |
| IL175255A0 (en) | 2006-09-05 |
| HK1092971A1 (en) | 2007-02-16 |
| US20150350169A1 (en) | 2015-12-03 |
| EP1536606A1 (fr) | 2005-06-01 |
| US20120314859A1 (en) | 2012-12-13 |
| KR20060116822A (ko) | 2006-11-15 |
| CN1886963A (zh) | 2006-12-27 |
| BRPI0415788A (pt) | 2006-12-26 |
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