WO2010124707A1 - Commande d'accès à des appareils d'automatisation - Google Patents

Commande d'accès à des appareils d'automatisation Download PDF

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Publication number
WO2010124707A1
WO2010124707A1 PCT/EP2009/003357 EP2009003357W WO2010124707A1 WO 2010124707 A1 WO2010124707 A1 WO 2010124707A1 EP 2009003357 W EP2009003357 W EP 2009003357W WO 2010124707 A1 WO2010124707 A1 WO 2010124707A1
Authority
WO
WIPO (PCT)
Prior art keywords
automation
access
user
automation device
information
Prior art date
Application number
PCT/EP2009/003357
Other languages
German (de)
English (en)
Inventor
Götz NEUMANN
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2009/003357 priority Critical patent/WO2010124707A1/fr
Publication of WO2010124707A1 publication Critical patent/WO2010124707A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2221/2111—Location-sensitive, e.g. geographical location, GPS

Definitions

  • the invention relates to a method for controlling a
  • Automation systems are used to automate processes such as processes for the transmission and distribution of electrical energy in an electrical energy supply network.
  • automation devices such as Leitgerate, protective devices or control devices are used.
  • measured values describing the automated process - in the case of an electrical energy supply network for example current and voltage measured values - are recorded and / or control commands - in the case of an electrical energy supply network, for example, an instruction to open a circuit breaker - to the automated process output.
  • settings and configurations can be made in the software of the automation device in order to do this Automatmaschinesgerat to his specific task with regard to the respective automated process to be able to adapt.
  • threshold values can be set in a protective device, beyond which certain measures, such as the opening of a circuit breaker, are to be automatically triggered.
  • other configuration parameters, communication parameters and the functions of analog or digital inputs or outputs of the automation device and the output of alarms and messages can be defined during the configuration.
  • Sensitive functions such as the manual tripping of circuit breakers, disconnectors or earthing switches, may only be carried out by suitably trained and authorized personnel, while a read-out of error messages or measured value recordings can be made available to a larger group of people.
  • settings should be set appropriately for the commissioning of automation equipment must be reserved for trained personnel.
  • switchgear for example within a substation - form a majority of the automation systems.
  • switchgear for example within a substation - form a majority of the automation systems.
  • an operator of a switchgear frequently for several spatially distributed switchgear state.
  • access rights to the automation devices in different switchgear it must be noted that operating personnel who have access rights to the automation devices in a first switchgear should not automatically also have the corresponding access rights in another switchgear.
  • commissioning staff of the first switchgear which has far-reaching access authorizations for this first switchgear, for safety reasons the same
  • the invention therefore provides the object of specifying a method with which the control of access rights can be carried out without an increased parameterization effort, in particular for spatially distributed regions. Likewise, a corresponding automation system should be specified.
  • a method for controlling access to an automation device of an automation system in which identification information of a user of the automation device is read in by means of a user interface of the automation device, wherein the identification information comprises at least one position indication; the position information is compared with an area information stored in an access authorization device of the automation device, which comprises a total amount of position information valid for the automation device; and access to the automation device by the user is permitted if the position specification is included in the range specification or access to the automation device is denied if the position specification of the range specification is not included.
  • each user is also assigned at least one item of position within his identification information, with which a geographical location, for example by specifying geographical longitude and latitude data, is identified.
  • a geographical location for example by specifying geographical longitude and latitude data
  • the automation device checks whether the position information lies within an area information stored in the automation device.
  • Such an area definition defines a specific geographical area, for example the extent of a switchgear, and thus represents a total amount of position information. If the position specification of the user falls within the area information stored in the automation device, access to the automation device is permitted otherwise access is denied.
  • the identification information also comprises a role information indicating a scope of authorization of the user, and the access authorization facility. tion checks the role information and depending on the user access to such functions of the automation s mecanicsgerates maintained, for which the scope of authorization is valid.
  • At least one selected position point is defined within the range specification, the at least one position point being assigned a respective authorization scope, the access authorization device including the position specification compares at least one position point and at Mood between the position information and the at least one position point the user access to specified by the position defined by the scope of authorization specified functions of the automation device.
  • the position information which is assigned to the user of an automation device according to the inventive method anyway, also contain additional information about the scope of authorization.
  • a range specification be included which comprises two selected position points, wherein one of the position points a calculation ⁇ actuating scope for "commissioning personnel" and another position point defines a permission scope for "switching Personal”. If the position specification of a user agrees with such a selected position point of such a range specification, the automation device automatically assigns the corresponding scope of authorization to him, so that no additional parameterization effort is required.
  • the access authorization device protects the user from accessing a selected basic set of functions of the automation device, provided that the position information is included in the range specification.
  • a basic authorization scope can be defined as it were, so that a user of an electrical automation device which is assigned a valid position specification but does not agree with a selected position point has a limited scope of access rights to the automation system. is limited, for example, limited to the reading of error messages and stored Meßwertverêt.
  • every user who is to have access to the automation devices in a specific switchgear at all by means of his / her valid position specification can at least be provided with a basic scope of access rights.
  • An advantageous embodiment of the method according to the invention also provides that the range information is transmitted from a central data processing device of the automation system to the automation device.
  • the range specification does not have to be set separately in the individual automation device.
  • a plurality of automation devices in a particular automation system will be assigned the same area information.
  • the central data processing device may be equipped, for example, with a receiver of a satellite-based location system, for example a GPS receiver, which provides the coordinates of a geographical point within the automation system to the central data processing device.
  • the central data processing device can determine the range specification from this one geographical point.
  • an automation system can also be pre- be seen that are transmitted from a central data processing device of the automation system to the automation device spatial coordinates, and the access authorization device using the location coordinates and a calculation rule, the area specified.
  • the central data processing device transmits only the predetermined location coordinates of a geographical point within the automation system, from which the access authorization device of the individual automation devices determines the range specification using the corresponding calculation rule.
  • the central data processing device transmits only the predetermined location coordinates of a geographical point within the automation system, from which the access authorization device of the individual automation devices determines the range specification using the corresponding calculation rule.
  • each automation device a different calculation rule can be assigned, so that different access conditions can be set for at least some automation devices by assigning different area information.
  • the calculation rule is also transmitted from the central data processing device to the automation device. This makes the calculation rule must not be called a ⁇ within the individual automation devices, but only in the central data processing device.
  • the assignment of specific to the individual automation devices calculation rules can beispielswei ⁇ se from the central data processing device using a variety of random addresses (eg IP addresses or MAC addresses) to be coordinated.
  • an automation ⁇ optimization unit which comprises at least one Automat Deutschensgerat with an access authorization device, wherein the Access authorization for carrying out a method according to one of the above embodiments is set up ⁇ is.
  • An advantageous embodiment of such an automation system further provides that a central verar ⁇ beitungs thanks is provided which rungsgerat with the automation is connected via a communication link, and the specified area or location coordinates, of which the area information is derived through a calculation rule for transmission to the automation device.
  • Figure 1 is a schematic view of a first automation ⁇ s istsaniage
  • FIG. 2 shows a schematic block diagram of an automation device
  • FIG. 3 shows a schematic view of two automation units
  • FIG. 4 shows a further schematic view of two automation systems
  • FIG. 1 shows a schematic view of an automation system 10 which, for the sake of simplicity, comprises a single automation device 11.
  • a user 12 may wish to gain access to the functions of the electrical automation device 11.
  • Such an access can be carried out either locally, for example via an input keyboard on the automation device or an operating device connected to the automation device (eg a laptop), or as remote access via a communication link connected to the automation device 11, but not in FIG shown operating device (eg a computer in a network control center) done.
  • This identification information 13 may be, for example, a certificate of the user 12, which may be stored on a memory device associated with the user 12 (eg a USB stick, a memory card or a so-called smart card).
  • the identification information 13 may be signed according to an electronic signature method, such as the PKI key method known per se, by signing the identification information 13 with a secret key of a certification authority, and the automation device grouted 11 via the matching öf ⁇ lic key to verify the signature.
  • the identification information 13 comprises at least one position indication 14, which may be, for example, geographical longitude and latitude information of a specific geographical location.
  • the identification information 13 is transmitted to the electrical automation device 11. This can for example be done locally by reading the data from a smart card or a USB stick by means of a suitable interface to the electrical automation device 11 or by wireless or wired transmission of the identification information 13 via a data communication network.
  • the automation device 11 reads out the position information 14 from the identification information 13 and checks whether the position information 14 lies within a range specification stored in the automation device 11.
  • This area specification defines a specific geographical area 16, for example a predefined area around the automation device 11.
  • the range specification thus includes a total amount of geographical position information that lies within the geographical area 16. If the automation device 11 determines when checking the position information 14 contained in the identification information 13 that it lies within the region 16 defined by the range specification (eg at the point indicated by 17a in FIG. 1), then the user 12 has access to the latter Functions of the electrical automation device 11. However, if the position point 14 is outside the range indicated by the Be ⁇ rich statement 16, for example on the 17b marked point, the user 12 is denied access to the automation device 11.
  • the identification information 13 can also comprise a role information 15 in addition to the position information 14, which information can be used to further define the access authorization of the user 12 to the automation device 11.
  • a role specified by the role information can be, for example, "commissioning personnel” or “switching personnel", whereby each of these roles is assigned a different authorization scope of individual access rights.
  • Each individual access right defines the right of a user to access a specific function of the automation device. Such a single access right, for example, the right to read certain data, another single access right to edit this data.
  • the automation device 11 checks the specified by the role information 15 scope of authorization and protects the user 12 according to the individual access rights defined by the scope of access to certain device functions.
  • position points 18a and 18b may be located, to each of which a different scope of authorization may be assigned.
  • the position points 18a and 18b are stored in the electric Automatmaschinesgerat and Automatmaschinesgerat 11 checks the position information contained in the identification information 13 of the user 12 14 to determine whether it matches one of the Brassierel ⁇ th position points 18a or 18b. If a match is found with one of the selected position points 18a or 18b, thus obtained, the user 12 shows the automatic ⁇ individual access rights according to that entitle assigned by this selected position point 18a or 18b. In this way, an authorization scope for the user 12 can be defined as an alternative or in addition to a role information 15 without additional settings.
  • the selected position point 18a can specify a scope of authorization that should be respected by the commissioning personnel of the automation device 11.
  • this scope of authorization for example, access rights can be linked to the setting, test and configuration functions of the automation device.
  • the further selected position point 18b can, for example, specify the scope of authorization that is to be maintained for the switching personnel of the automation system 10.
  • access rights can be connected, which enable opening or closing of circuit breakers, disconnectors or earthing switches via the automation device 11.
  • the user 12 can automatically be assigned a basic authorization scope be, for example, only allows the reading of Meßwertverrise and error messages from the automation device 11, more extensive access to the automation device 11 but prevents.
  • the user 12 is granted access to the automation device 11 in accordance with the scope of authorization defined by the role information 15. granted. If, on the other hand, the identification information 13 comprises a role information 15 and if the position information 14 additionally agrees with one of the selected position points 18a or 18b, then the user 12 can be granted either the total amount of authorization defined by the role information 15 and the selected position point 18a or 18b. or it is determined that only one of the two sets of authorization scopes is dominant, for example, that if a role information 15 exists, a scope of authorization specified by a selected location 18a or 18b will have no effect, or vice versa.
  • the range of the geographical area 16 may be fixed in the automation device 11 by manual configuration 10; but it can also be determined by transfer of location coordinates to the automation device 11.
  • the automation device 11 can be directly or indirectly connected to a receiver of a satellite-based location system, for example a GPS receiver 19, which receives location coordinates corresponding to its geographical position and transmits them to the automation device 11. From these Local coordinates, the automation device 11 by applying a suitable calculation rule, the range specified for determining the geographical area 16.
  • a suitable calculation rule the range specified for determining the geographical area 16.
  • Location coordinates are determined and the calculation rule used by the automation device 11 for deriving the area specified setting a circle with a predetermined radius R around the location coordinates.
  • Other calculation specifications allow any other range information, such as elliptical, rectangular or polygonal areas, to be derived from corresponding location coordinates.
  • the automation device 11 has a control device 21, which may be, for example, a microprocessor-controlled computing device that performs the functions of the automation device 11 by processing a device software.
  • the control device 21 is by in FIG 2 for the sake of clarity, not shown data input and
  • the automation device 11 also has a user interface 22 through which local access or remote access to the automation device 11 can be performed by a user (e.g., user 12, see Figure 1).
  • the user interface parts 22 may be, for example, a keyboard or a keyboard
  • Numeric keypad of the automation device 11 act; in the case of a remote access, the user interface 22 may be formed, for example, by a communication module that is capable of data transmission over a wired or wireless Koiranunikationsitati between the automation device 11 and a control unit of the user is set up.
  • the automation device 11 further comprises an access authorization device 23, which is designed to control the access via the user interface 22 to the functions of the automation device 11 provided by the control device 22.
  • the access authorization device 23 reads in the identification information of the user and checks it - as already explained for FIG. 1 - as to whether the position information contained therein lies within the range information stored in a memory device of the automation device 11 (not shown in FIG. 2) is.
  • the access authorization device 23 furthermore carries out, as already explained with reference to FIG. 1, a check of possibly present role information and the correspondence of the position information with selected position points.
  • Access authorization device to the user access to certain functions of the controller 21 of the electric automation device 11 or prevents such access.
  • the access authorization device 23 is also connected to a data interface 24, via which the area information or location coordinates from which the area information can be derived can be transmitted to the access authorization device 23.
  • a data interface 24 via which the area information or location coordinates from which the area information can be derived can be transmitted.
  • the data interface 24 can also be connected to a central data processing device. tion and receive from this the area indication or the location coordinates.
  • FIG. 3 shows two automation systems 30 and 31.
  • the automation system 30 has a plurality of automation devices 11 and a central data processing device 32.
  • the automation devices 11 and the central data processing device 32 of the automation system 30 communicate with each other via a communication network 33 in connection.
  • the central data processing device 32 is also connected to a GPS receiver 19 and receives from this according to the position of the GPS receiver determined location coordinates. These location coordinates can be transmitted to the automation device 11 by the central data processing device 32 via the communication network 33, so that they can use this information to determine an area specification that indicates the geographical area 34 using a predetermined calculation rule. If, as in the case shown in FIG. 3, the same geographical area 34 is to be defined for each of the automation devices 11, the central data processing device 32 can also determine the corresponding area information by applying the corresponding calculation rule from the location coordinates supplied by the GPS receiver form and instead of the location coordinates, the already calculated area information transmitted to the automation device 11.
  • the second automation system 31 comprises two automation devices 11 and a central data processing device 35, which in turn is connected to a GPS receiver 19 and is connected to the automation devices 11 via a communication network 36.
  • the GPS receiver 19 also receives location coordinates and transmits them to the central data processing device 35.
  • the geographical area 37 defined by the area information does not include the location coordinates that are derived from the location GPS receiver 19 have been transmitted. This can easily be achieved by appropriate design of the calculation rule used to determine the range specification, for example by a shift in the geographic area 37 defined by the range specification taking place via an offset component in the calculation specification.
  • a user whose identification information contains a position specification which corresponds to the point marked with 38a receives access to the automation device 11 of the first automation system 30 as shown in FIG. 1, since the location indicated by the corresponding position indication is within the range specified by the for the automation devices 11 of the first automation system 30 applicable range indication. In this case, however, the user does not obtain access to the automation device 11 of the second automation system 31, since the location indicated by the position specification is not within the range specification valid for the second automation system.
  • a user whose position specification indicates the point marked 38b receives access to the automation device 11 of the second automation system 31, but does not gain access to the automation device 11 of the first automation system 30.
  • a user whose position specification indicates the point identified by 38c does not gain access to the automation device 11 of the first automation system 30 or the automation device 11 of the second automation system 31 since the location 38c is outside the geographical areas 34 and 37 defined by the respective area information lies.
  • his identification information had to contain two position information, one within the range of the first automation system 30 and the second within the range of the second automation system 31.
  • FIG. 4 differs from the exemplary embodiment according to FIG. 3 in that the range specification for the automation devices 11 of the second automation system 31 has been changed and now instead of the geographical area 37 (see FIG. 3) indicates the extended geographical area 41, which partially indicates overlaps with the specified by the range for the first automation system 30 geographical area 34.
  • a user whose position information is identified by 42 a receives Point indicates access to the automation device 11 of the first automation system 30, but not to those of the second automation system 31; a user whose position specification indicates the point marked 42b receives corresponding access to the automation device 11 of the second automation system 31, but not to those of the first automation system 30.
  • a user whose position specification, on the other hand, indicates the point marked 42c receives access to all automation devices 11 of both automation systems 30 and 31, since this location is within both the geographical area 34 of the first automation system and within the geographical area 41 of the second automation facility. ge is located.
  • FIG. 5 shows another exemplary embodiment of an automation system 50 with automation devices 11 and a selected automation device 51.
  • the automation devices 11 and the selected automation device 51 are connected to one another and to a central data processing device 52 via a communication network 53.
  • a first range specification is given which describes the geographic area 54th
  • a second area indication is provided which indicates the reduced geographical area 55.
  • the automation devices 11 and the selected automation device 51 from the central data processing device 52 übermit ⁇ teten location coordinates using different Be ⁇ billing the respective different area ⁇ specifications for the geographical areas 54 and 55 determine.
  • the central data processing device 52 on the basis of communication addresses such as IP addresses or MAC addresses of the programmable controllers 11 and the selected automation device 51 recognize which of the automation devices 11 or 51 it is, and to this the corresponding calculation rule or determined using the appropriate calculation rule submit corresponding area information.
  • Point indicates only access to the automation device 11, since this location is indeed within the specified by the range of the automation device area 54, but outside the defined by the range of the selected automation device 51 geographical area 55. Consequently, the user is denied access to the selected automation device 51 in this case.
  • the access permissions for users on different automation devices can be alone Toggle handle a geographical position information which is contained ⁇ th in the identification information of the corresponding user, determined by the methods described without ei ⁇ ne aufwandige parameterization.
  • the method is particularly useful in spatially separated automation devices within an automation system or in spatially separated ten automation systems can be used.
  • the identification information of a user can also contain a plurality of positional information if the corresponding user is to have access to a plurality of spatially separate automation devices.
  • the fact that the determination of the access authorization is based on position information indicating the actual geographical positions, for example, of different automation systems, the determination of the position information can be comparatively easily and conveniently, for example, by reading the corresponding geographical positions in an electronic map.

Abstract

L'invention concerne un procédé de commande de l'accès à un appareil d'automatisation (11) d'une installation d'automatisation (10). Afin de pouvoir réaliser la commande des accès, en particulier dans des régions distribuées dans l'espace, sans nécessiter un travail accru de paramétrage, il est proposé un procédé comprenant les étapes suivantes : - lecture d'informations d'identification (13) d'un utilisateur (12) de l'appareil d'automatisation (11) à l'aide d'une interface utilisateur de l'appareil d'automatisation (11), les informations d'identification (13) comprenant au moins une indication de position (14); - comparaison de l'indication de position (14) avec une indication de zone mémorisée dans un dispositif d'autorisation d'accès de l'appareil d'automatisation (11) qui contient une quantité totale d'indications de position en vigueur pour l'appareil d'automatisation (11); et – autorisation de l'accès à l'appareil d'automatisation (11) par l'utilisateur (12) si l'indication de position (14) est incluse dans l'indication de zone ou – refus de l'accès à l'appareil d'automatisation (11) si l'indication de position (14) n'est pas incluse dans l'indication de zone. L'invention concerne en outre une installation d'automatisation (10) correspondante.
PCT/EP2009/003357 2009-04-30 2009-04-30 Commande d'accès à des appareils d'automatisation WO2010124707A1 (fr)

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PCT/EP2009/003357 WO2010124707A1 (fr) 2009-04-30 2009-04-30 Commande d'accès à des appareils d'automatisation

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Application Number Priority Date Filing Date Title
PCT/EP2009/003357 WO2010124707A1 (fr) 2009-04-30 2009-04-30 Commande d'accès à des appareils d'automatisation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016224121A1 (de) * 2016-12-05 2018-06-07 Siemens Aktiengesellschaft Betriebsmittel
US11366885B2 (en) * 2017-08-14 2022-06-21 Kddi Corporation Vehicle security system and vehicle security method

Citations (3)

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Publication number Priority date Publication date Assignee Title
EP1320010A2 (fr) * 2001-12-12 2003-06-18 Pervasive Security Systems Inc. Format des données sécurisées utilisé pour contrôle d'accès
EP1653386A2 (fr) * 2004-10-29 2006-05-03 Kabushiki Kaisha Toshiba Appareil de traitement de données et méthode de contrôle des opérations
US20090094682A1 (en) * 2007-10-05 2009-04-09 Peter Sage Methods and systems for user authorization

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1320010A2 (fr) * 2001-12-12 2003-06-18 Pervasive Security Systems Inc. Format des données sécurisées utilisé pour contrôle d'accès
EP1653386A2 (fr) * 2004-10-29 2006-05-03 Kabushiki Kaisha Toshiba Appareil de traitement de données et méthode de contrôle des opérations
US20090094682A1 (en) * 2007-10-05 2009-04-09 Peter Sage Methods and systems for user authorization

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016224121A1 (de) * 2016-12-05 2018-06-07 Siemens Aktiengesellschaft Betriebsmittel
US11402423B2 (en) 2016-12-05 2022-08-02 Siemens Energy Global GmbH & Co. KG Operating component
US11366885B2 (en) * 2017-08-14 2022-06-21 Kddi Corporation Vehicle security system and vehicle security method

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