EP2324465A1 - Vorrichtung zur bedienung eines selbstbedienungsterminals und verfahren zur eindeutigen kennzeichnung davon - Google Patents
Vorrichtung zur bedienung eines selbstbedienungsterminals und verfahren zur eindeutigen kennzeichnung davonInfo
- Publication number
- EP2324465A1 EP2324465A1 EP09782039A EP09782039A EP2324465A1 EP 2324465 A1 EP2324465 A1 EP 2324465A1 EP 09782039 A EP09782039 A EP 09782039A EP 09782039 A EP09782039 A EP 09782039A EP 2324465 A1 EP2324465 A1 EP 2324465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pnl
- character
- chr
- key
- ref
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
- G07F19/205—Housing aspects of ATMs
- G07F19/2055—Anti-skimming aspects at ATMs
Definitions
- the invention relates to a device for operating a self-service terminal according to the preamble of claim 1. Furthermore, the invention relates to a method for unique identification of such a device, equipped with such a device self-service terminal, and a device for carrying out the method according to the preamble of the sibling claims.
- the invention relates to a device in
- Shape of a control panel for a Edbedienungstermmal that can be configured in particular as an ATM, the device has a unique identifier.
- Bank card is spied out.
- the spied out data is then transmitted to a remote receiver via a transmitter built into the keyboard overlay.
- Many of the skimming devices found today are very difficult to see with the human eye of original devices
- surveillance systems In order to thwart such attempts at manipulation, surveillance systems are often used which have a plurality of cameras which control the operating area of the respective camera
- a device of the type mentioned in which for unique identification on at least a part of its controls, the respective label is changed by means of at least one geometric modification, wherein the modification is applied to a first character with respect to a second character or symbol spaced therefrom is below the perception threshold of the human eye.
- the invention also proposes a self-service device provided with such a device, as well as a method for identifying such a device and a device for carrying out the method.
- a method for verifying such a unique identifier which can be understood as a digital fingerprint of the device, is also proposed.
- image recordings of the device are detected in order to check the unique identifier m vorgebaren Zeitmtervallen to detect a manipulation of the device, in particular an exchange of the device by a replica.
- the current image acquisition is compared with the preceding and / or with a reference.
- the predetermined time intervals for verifying the unique identifier are shorter than a period of time since e is required for replacement of the device by a replica.
- the geometric modification made can in particular correspond to a distortion of the first character, which can result from a combination of the measures mentioned.
- the modification made of the at least one first character may have a prescribable stepwise manner, which lies below the perception threshold of the human eye, but which is still detectable by means of an optical image recognition.
- the predefinable step size corresponds to a distance of lOO ⁇ m and less, with lO ⁇ m not be exceeded.
- a defined extent of the made geometric modification is defined, which corresponds to a particular detectable by image processing, but no longer perceptible with the human eye, modification.
- each individual geometric modification relates to at least one spatial direction and / or rotational direction, whereby the respective geometric modification corresponds to at least one bit value of a binary code number for the identification of the device. Per degree of freedom could therefore be coded on a control element 1 bit. If, for example, the modification corresponds to a displacement in the X and Y directions, then a 2-bit coding is possible per modification. By modification of several Labeling on multiple controls is a binary code of several bits, such as 8 bits and more is quite possible. An upper limit is theoretically not given.
- two geometric modifications or the corresponding keys are assigned to one bit in each case in a redundant manner, in order to increase the security of the bank.
- the assignment can be pseudo-random.
- two alpha-nume ⁇ sche keys and the modifications or markings made thereon are defined to one bit. It is also possible to combine two different types of control elements, e.g. alpha-numeric keys and buttons etc.
- the designation of the device proposed here which may correspond in particular to a control console (also called a panel), takes place, for example, on control elements which correspond to keys of an alpha-numeral keyboard, the first characters corresponding to the digits and the second characters corresponding to the letters on the respective key ,
- the numbers or their geometry are slightly changed by the above-mentioned modifications with respect to the reference letters.
- the controls can also represent function keys, the first character of a label and the second characters correspond to symbols.
- a geometrical modification with respect to the symbolism used as a reference can be carried out on the label of a function key.
- Each key forms its own reference system.
- a plurality of similar and / or different picture elements can be changed by a geometric modification of the respective labels, wherein the modified picture elements are selected from all existing picture elements according to a specification which corresponds in particular to a pseudo-random specification.
- the specification can in particular determine the structure of a binary code for identifying the device.
- a logo attached to the device and / or a logo can be modified.
- the surface of the device can also be modified.
- the surface may have a pseudo-random structure and / or coloration that is provided with marginal geometric modifications.
- the device corresponds to a control panel for an operator terminal, which can be performed in particular as Geldaul omat.
- the erfmdungsgedorfe method for unique identification of such a device is characterized in that on at least a portion of the controls, the respective label by means of a geometric modification of the first character m reference to the associated second character or icon is changed.
- the method may in particular comprise the following steps:
- the key value Inputting a key value to select a character set for modification, the key value specifying pseudorandom positions for the first characters with respect to the second characters or symbols;
- Fig. 1 in a plan view of an inventive
- a Device in the form of a control panel for a Self-service terminal m represents the shape of an ATM
- FIGS. 2a and 2b show in more detail the structure of a keyboard of the control panel in the original or modified state
- FIGS. 3 a to 3 d illustrate, by way of example, geometric modification of characters m in the form of an expansion or compression or displacement of the character
- Identification or coding of the device and for detection or decoding represent;
- Fig. 6 is a flow chart for a method according to the invention.
- Fig. 7 illustrates the surface structure of a control panel for further identification by means of alteration of the surface
- Fig. 8 illustrates the principle of a surface modification
- Fig. 9 illustrates the principle of a modification of the structure of a pseudo-randomly patterned surface.
- 1 shows a plan view of the basic structure of a self-service terminal in the form of an ATM ATM, which has an inventive device in the form of a control panel or panel PNL.
- the control panel has a surface SRF and essentially comprises a keyboard KBD and several function branches BTN.
- the keyboard is designed as an alpha-numeric keypad and contains a plurality of keys KEY, which are the same as the function keys BTN controls the control panel PNL.
- a letter LBL of the manufacturer and / or the operator of the ATM ATM is provided on the surface SRF.
- Erfmdungsgetake now several of the designated parts or elements of the device PNL can be changed by a geometric modification, resulting in a unique identification of the device or the control panel PNL.
- the operating elements KEY and / or BTN are subjected to a marginal geometric modification in order to carry a coding that is imperceptible to the human eye, which virtually corresponds to an invisible "digital fingerprint" that can only be recognized by optical detection systems or image processing systems ,
- FIGS. 2a and 2b show in detail the structure of a keyboard KBD, which is formed as an alpha-nume ⁇ sche keyboard, and has keys that are labeled with numbers 1-9, and 0 and special characters.
- function keys BTN are provided.
- Most keys each have an additional label in the form of second characters REF, which represent the letters of the alphabet AZ.
- Erfmdungsgesell individual KEY keys are now modified and thus characterized in that the respective first character CHR, so the digit per se, a geometric modification compared to the second character REF, so the serving as a reference letter learn.
- the respective geometric modification can be detected by analyzing the label of a single key.
- FIG. 2b shows a modified keyboard KBD * in comparison to the original, not modiflziei th keyboard KBD shown in Fig. 2a.
- the geometric modifications M Although. Markings are below the perception of the human eye and can ⁇ UJ with technical means, in particular with means for image acquisition, are recognized.
- FIG. 3a and 3b show as a first example a geometric modification of the alpha-numeric key with the numeral "5" in the form of an elongation SQ or compression ST of a character, that is, the numeral "5" here.
- this character assumes a certain size and position relative to the reference REF, which in this case is represented by the second characters or letters "JKL.”
- Fig. 3a shows as a starting point the not yet changed or modified appearance of the numeral "5".
- FIG. 3b shows the character CHR * or the digit in the modified form, the digit having been stretched or also compressed in the X direction as well as in the Y direction.
- step size which lies below the perception threshold, but which can certainly still be detected by image processing. It has been shown that the step size should preferably be in the range of 10-100 ⁇ m.
- FIGS. 3c and 3d show, as a second example, a geometric modification of the alpha-numeric key with the number "3" in the form of a shift SH of a character, that is, the number "3" here.
- the distance d between the character CHR and the reference REF shifted marginally by ⁇ T.
- Somxt is defined as a modified character CHR * or a designated key.
- FIG. 4a illustrates the process of the marking or coding presented here:
- the data encoding is performed on the respective control element or on the key , After that results then a coded picture of the key, whereby only one image processing process can clearly recognize the modification made. For the human eye, the modification is imperceptible.
- Fig. 4b shows the reverse process for decoding
- Figures 5a, b and c illustrate further examples of geometrical modifications made to individual keys of the keyboard.
- FIG. 5a illustrates a geometric modification in the form of stretching SQ or ST of individual digits on the keys.
- both degrees of freedom that is to say the X and Y directions, are likewise utilized, so as to obtain in each case a 2-bit-valued coding per key.
- a total of four coded keys results in an 8-bit-valued password (code).
- Fig. 5b illustrates a modification in the form of shifting SH numbers relative to their references, that is, the respective letters on the keys.
- two geometric modifications or the corresponding keys are always assigned to one bit redundantly, in order to increase the interference immunity.
- there the assignment can be pseudo-random. For example, two alpha-numeric keys "5" and “9 V” (see KEY in FIG. 2) and the modifications or markings made thereon are defined as one bit. numerical keys KEY and control keys BTN, or keys with modified logo LBL or places on the surface SRF, etc. (see also Fig. 1).
- FIG. 5c illustrates a modification in the form of a marginal rotation RT of individual digits m in the direction of rotation ⁇ , namely clockwise or counterclockwise. This achieves a 1-bit-valued coding per key.
- a key value is entered for the selection of the character set to be used.
- step 21 the entry of hidden features (Covert Features), which z. B. can take place in the form of a binary data stream.
- step 130 the coding of the respective individual character takes place.
- step 140 it is checked whether all the data are already coded, if this is not the case, then steps 120 to 130 are repeated until finally all data are coded have been.
- step 150 the actual device or operating console is produced in step 150. This is done by appropriately labeling or memorizing the modified characters on the individual keys.
- bit value In order to define a bit value, two digits (digit pair) are preferably always selected in pseudo-random fashion and subjected to a modification or marking. Subsequently, another pair of digits is selected and provided with a label and so on. Thus, a particularly sturdy coding is achieved. With e.g. three-digit pairs, a 3-bit encoding is realized.
- Image processing can be easily recognized as an original keyboard.
- FIGS. 7-9 illustrate, further measures can be taken which relate in particular to the geometric modification of specific areas or parts of the control console PNL.
- FIG. 7 shows the surface SRF of an operating console, wherein the surface is designed as a structured metal surface which has punctiform elevations at equidistant distances. These elevations serve as a reference mark RM (see Fig. 8).
- Erfmdungsgetool be now individual elevations on the surface SRF modified and thus defined as data coding marks DM.
- this marking can be done by means of stretching, compression and / or displacement, as illustrated with reference to FIG. 8. Also by such a coding further identification of the device is possible.
- the device or operating console PNL can also be provided with a structured surface SRF ', which is illustrated by way of example with reference to FIG. 9.
- This surface SRF ' is characterized by a pseudorandom pattern which is deliberately modified by, for example, changing the thicknesses and / or lengths of individual lines. Again, with the naked human eye no modification can be seen, but by means of a corresponding image processing.
- a device for the operation of a self-service terminal in particular a control console for a cash machine
- a marking which can be configured very extensively. Since the geometric modification is geared in particular to a local reference (second character or references), a particularly secure and reliable coding is possible. Due to the usually larger number of existing controls also a very varied labeling of devices is possible.
- the invention proposed here also includes measures for checking a clear identification provided on the device. In this case, manipulations are to be recognized, in particular an exchange of the original device or original keyboard by a replica.
- Taters could try to replace the original keyboard, which is secured by the label (digital fingerprint), with an identical copy that is part of a skimming device.
- the pre-eminative time intervals for verifying the unique identifier are shorter than a period of time required for replacement of the device by a replica Thus, a time interval of several seconds would be quite sufficient.
- the SB term suggested here can be equipped with a corresponding image acquisition unit, which in particular has a camera.
- ATM self-service terminal designed as an ATM; SRF surface of the operating area
- KEY controls designed as a numeric key
- REF reference here formed as a letter cell
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810039688 DE102008039688A1 (de) | 2008-08-26 | 2008-08-26 | Vorrichtung zur Bedienung eines Selbstbedienungsterminals und Verfahren zur eindeutigen Kennzeichnung davon |
| PCT/EP2009/060781 WO2010023154A1 (de) | 2008-08-26 | 2009-08-20 | Vorrichtung zur bedienung eines selbstbedienungsterminals und verfahren zur eindeutigen kennzeichnung davon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2324465A1 true EP2324465A1 (de) | 2011-05-25 |
Family
ID=41302850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09782039A Withdrawn EP2324465A1 (de) | 2008-08-26 | 2009-08-20 | Vorrichtung zur bedienung eines selbstbedienungsterminals und verfahren zur eindeutigen kennzeichnung davon |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2324465A1 (de) |
| DE (1) | DE102008039688A1 (de) |
| WO (1) | WO2010023154A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2897112B1 (de) | 2014-01-17 | 2019-03-06 | Wincor Nixdorf International GmbH | Verfahren und Vorrichtung zur Vermeidung von Fehlalarmen bei Überwachungssystemen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6583813B1 (en) | 1998-10-09 | 2003-06-24 | Diebold, Incorporated | System and method for capturing and searching image data associated with transactions |
| GB9907639D0 (en) * | 1999-04-06 | 1999-05-26 | Ncr Int Inc | Self-service terminal |
| US6317152B1 (en) * | 1999-07-17 | 2001-11-13 | Esco Electronics Corporation | Digital video recording system |
| BG63520B1 (bg) * | 1999-10-15 | 2002-03-29 | Живко ЖЕЛЕВ | Мултимедийно едно и многостепенно шифрирана маркировка-бандерол върху продукти |
-
2008
- 2008-08-26 DE DE200810039688 patent/DE102008039688A1/de not_active Withdrawn
-
2009
- 2009-08-20 WO PCT/EP2009/060781 patent/WO2010023154A1/de not_active Ceased
- 2009-08-20 EP EP09782039A patent/EP2324465A1/de not_active Withdrawn
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2010023154A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008039688A1 (de) | 2010-03-04 |
| WO2010023154A1 (de) | 2010-03-04 |
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