WO2010133254A1 - Masquerading a storage media in a computer system - Google Patents

Masquerading a storage media in a computer system Download PDF

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Publication number
WO2010133254A1
WO2010133254A1 PCT/EP2009/056163 EP2009056163W WO2010133254A1 WO 2010133254 A1 WO2010133254 A1 WO 2010133254A1 EP 2009056163 W EP2009056163 W EP 2009056163W WO 2010133254 A1 WO2010133254 A1 WO 2010133254A1
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WO
WIPO (PCT)
Prior art keywords
storage media
computer system
commands
adapter
masquerading
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.)
Ceased
Application number
PCT/EP2009/056163
Other languages
French (fr)
Inventor
Andreas Ripke
Jens Klaas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Europe Ltd
Original Assignee
NEC Europe Ltd
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 NEC Europe Ltd filed Critical NEC Europe Ltd
Priority to PCT/EP2009/056163 priority Critical patent/WO2010133254A1/en
Publication of WO2010133254A1 publication Critical patent/WO2010133254A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
    • G06F3/0661—Format or protocol conversion arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0604—Improving or facilitating administration, e.g. storage management
    • G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0673—Single storage device

Definitions

  • the invention relates to a method for influencing the result of an inquiry of a computer system to which a storage media is attached and to an adapter for carrying out the method.
  • the storage media is a removable storage media, more particularly a removable USB storage media.
  • Storage media may appear as local media or local drive and as removable media, like floppy or flash card readers.
  • USB memory sticks are classified as removable storage media, since the sticks may be attached and detached from a personal computer.
  • Particular applications useful in connection with the storage media e.g. partitioning the storage media to have several partitions on the media, may sometimes not easily run and/or may, for example, depend on the operating system of the computer system.
  • partitioning a storage media may be advantageous if the capacity of the storage media exceeds the maximum size of the computer file system architecture (for example, FAT32) and/or if customary (for example, NTFS) or newer file systems are not applicable or available.
  • FAT32 the maximum size of the computer file system architecture
  • customary for example, NTFS
  • a further need may exist to enhance data organization in the storage media, for example in order to store particular programs and data on separate partitions in the storage media.
  • an encryption tool resides on one partition that is to be used to access the other, encrypted, partition.
  • the present invention is directed to a method for masquerading a storage media attached to a computer system.
  • the masquerading of the storage media may influence the computer system's determination as to the question whether the storage media is a particular storage media, for example whether the storage media is a local or a removable storage media. In doing so, it may be possible to let run any application useful for working with the storage media.
  • a method for influencing the result of an inquiry of a computer system is provided.
  • a storage media is attached to the computer system, and the method comprises the method step of masquerading the storage media during the inquiry.
  • the storage media may be any media for storing and/or processing data, for example, digital cameras, printers, scanners, modems, telephones, video phones, and/or network connections, hi normal system operation, when the storage media is attached to the computer system, the computer system may be configured to automatically detect that the storage media is attached and may be configured to determine the type of storage media by carrying out an inquiry. If the result of the determination meets predetermined conditions communications from the computer system to the storage media may be established.
  • the storage media is masqueraded during the inquiry, hi doing so, it may be possible to simulate the presence of a different media than the storage media actually attached.
  • the masquerading may be achieved by using a particular adapter configured to masquerade the storage media, in particular by having a particular firmware in the adapter for hiding and/or virtually substituting the storage media.
  • Firmware is a program to internally control the functionality of electronic devices, for example, of an adapter.
  • the expression “firmware” is contrasted with “hardware” and “software” which are well-known terms in this technical field.
  • Firmware may be a microcode which cannot be manipulated or changed by a user.
  • firmware denotes anything ROM-resident.
  • an adapter cannot be manipulated or changed by a user.
  • the masquerading step is carried out by means of an adapter attached to the computer system and/or the storage media.
  • the adapter may be configured to hide the actual presence and/or to change the identification of the storage media. This may be achieved by interconnecting the adapter with the computer system and the storage media, wherein the adapter may be configured to simulate particular properties of the storage media.
  • the masquerading may be a hiding of properties and/or may retain them and/or may modify them, for example, to simulate different properties of the storage media.
  • the properties of the storage media may, for example, be the type of the storage media, its capacity, its producer, or its compatibility.
  • the hiding and/or substituting as taught above may be achieved by a firmware provided by the adapter and wherein the firmware is configured to influence the properties of the storage media to be detected by the inquiry of the computer system. For example, any data to be sent from the storage media in response to the inquiry of the computer system to determine the type of the storage media connected to the computer system may be modified and/or retained and/or substituted by pre-determined data. In doing so, the result of the - A -
  • inquiry may simulate the presence of a different type of storage media attached to the computer system.
  • an adapter to masquerade the storage media may be advantageous, since the adapter may be used in connection with different operating systems without requiring any administrator rights.
  • the storage media is a removable storage media, preferably a removable USB storage media.
  • the storage media may be connected/attached to the computer via a particular port, for example, via an external port (provided at the casing of the computer, and not provided inside the casing), for example, a USB port.
  • a USB port in a computer system is usually applied to connect peripheral devices to the computer system as discussed above.
  • USB storage media may be used as storage media and may also be referred to as "USB stick" or “USB drive”.
  • Storage media may be removable storage media, in particular, removable USB storage media. Removable media are meant herein to be configured for being attached/connected to an external port of the computer system.
  • the storage media for example a removable storage media, is recognized by the computer system after the inquiry to be a local storage media of the computer system due to the masquerading.
  • the masquerading of the storage media may lead to a substitution of data to be transmitted in response to the inquiry of the computer system, hi particular, the inquiry of the computer system may be meant to detect the type of storage media attached to the computer system, but the masquerading may result in a replacement and/or modification of the data to be sent as a response thereto or in a hiding of these data.
  • these data are characteristic for the type of the storage media, so that changing/modifying and/or hiding and/or retaining and/or substituting/replacing them influences the result of the inquiry of the computer system and may thus simulate the presence of a different type of storage media.
  • the data to be transmitted from a removable storage media may be substituted and/or modified to simulate that the actual removable storage medium is a local storage medium. In doing so, it may be possible to partition the actual removable storage media in the same way as it would be possible for local storage media, independently from the operation system used for the computer system.
  • the masquerading step comprises a controlling of commands from the storage media to the computer system and/or a controlling of commands from the computer system to the storage media.
  • commands from the storage media to the computer system may contain the data to be transmitted in response to the inquiry of the computer system.
  • the original commands of a storage media may contain any information allowing the identification of the type of the storage media.
  • the controlling step comprises a determining of the contents of the commands.
  • the contents of a command may be characterized by the structure of the data in the command.
  • a particular data structure determined may be compared to a list of predetermined and pre-stored data structures (for example, stored as "reference data structures" in the adapter carrying out the method or included in the firmware carrying out the method) and may thus be identified as being associated with a particular content.
  • controlling step further comprises an intercepting of commands from the storage media if the contents are based on the fact that the storage media is actually not a local storage media.
  • the commands identified as including contents counteracting the masquerading may be retained/hindered from being transmitted to the computer system.
  • the transmission itself may be stopped by deleting these commands or by replacing their transmission by a transmission of different data structures in line with the masquerading.
  • controlling step further comprises a step of allowing the transmission of commands from the storage media if the contents are not based on the fact that the storage media is actually not a local storage media.
  • a determination of the contents of a command to be transmitted from the storage media to the computer system may result in the finding that the data structures are not identified as counteracting the masquerading.
  • the command may be transmitted to the computer system without any modification.
  • the intended function and use of the storage media may be guaranteed without negatively affecting the masquerading of the storage media.
  • controlling step further comprises a generating of commands which are mandatory for a local storage media and are sent to the computer system.
  • one or more commands may be generated to replace the original commands by the new ones.
  • the new commands may be based on the original commands, for example, the new commands may contain data structures of the original commands combined with new data structures or may contain the original data structures modified by a particular data annex, in order to fulfil the requirements of the masquerading. Further, the newly generated command or commands may be transmitted to the computer system, for example, in response to the inquiry.
  • the generated command may simulate the presence of a different storage media than the actual storage media, e.g. of a local storage media instead of the actual removable storage media, by containing contents mandatory for a local storage media.
  • the operating system of the computer system is WINDOWS ® .
  • the operating system may be any version of WINDOWS ® .
  • the operating system may be Linux or MacOS.
  • any operating system may be used for the computer system.
  • the present invention provides a computer program product comprising one or more computer readable media having computer executable instructions for performing the steps of one of the methods as described above.
  • the present invention provides an adapter for a computer system to which a storage media is attached.
  • the adapter is configured to masquerade the storage media during an inquiry of the computer system.
  • the adapter may be configured to carry out each of the method steps above.
  • the adapter may contain a firmware enabling the adapter to perform the above method.
  • the adapter may be connectable/attachable to an external port (provided at the casing of the computer, and not provided inside the casing), for example, to a USB port. Furthermore, the adapter may be connectable/attachable to a storage media .
  • the adapter is configured to control commands from the storage media to the computer system and/or to control commands from the computer system to the storage media.
  • the adapter may be configured to identify particular commands to be transmitted to the computer system.
  • the adapter may be configured to stop the transmission of commands if these commands counteract the masquerading of the storage media.
  • the adapter may advantageously guarantee that the inquiry of the computer system is responded in a preferred way, for example, to simulate the presence of a different storage media than the actual one. In doing so, it may be possible to, for example, partition a removable storage device, independently from the operating system of the computer system.
  • control of the commands comprises a determination of the contents of the commands.
  • the contents of a command may be characterized by the data structure as discussed above.
  • a particular data structure already determined by the adapter may be compared to a list of pre-determined and pre-stored data structures (stored in the adapter as "reference data structures") and may thus be identified as being associated with a particular content.
  • those commands may be modified and/or substituted in response to the inquiry and may, for example, then be transmitted to the computer system.
  • the adapter is configured to intercept and/or let pass the commands from the storage media, dependent on the commands' contents determined, and/or generate commands mandatory of a local storage media and to be sent to the computer system.
  • the commands identified as including contents counteracting the masquerading may be intercepted/retained/hindered from being transmitted to the computer system.
  • the transmission itself may be stopped by deleting these commands or by replacing their transmission by a transmission of different data structures in line with the masquerading.
  • the command may be transmitted to the computer system.
  • the intended function and use of the storage media may be guaranteed without negatively affecting the masquerading of the storage media.
  • one or more commands may be generated to replace the original commands as discussed above. Further, the newly generated command or commands may be transmitted to the computer system, for example, in response to the inquiry.
  • the generated command may simulate the presence of a local storage media instead of the actual removable storage media by providing contents mandatory for local storage media.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The invention provides for a method for influencing the result of an inquiry of a computer system. A storage media is attached to the computer system, and the method comprises the method step of masquerading the storage media during the inquiry. Further, the invention provides for a computer program product comprising one or more computer readable media having computer executable instructions for performing the steps of the above method. Furthermore, the invention provides for an adapter for a computer system to which a storage media is attached. The adapter is configured to masquerade the storage media during an inquiry of the computer system.

Description

Masquerading a storage media in a computer system
The invention relates to a method for influencing the result of an inquiry of a computer system to which a storage media is attached and to an adapter for carrying out the method. In one embodiment, the storage media is a removable storage media, more particularly a removable USB storage media.
Storage media may appear as local media or local drive and as removable media, like floppy or flash card readers. For example, USB memory sticks are classified as removable storage media, since the sticks may be attached and detached from a personal computer.
Particular applications useful in connection with the storage media, e.g. partitioning the storage media to have several partitions on the media, may sometimes not easily run and/or may, for example, depend on the operating system of the computer system.
However, partitioning a storage media, particularly a removable storage media, may be advantageous if the capacity of the storage media exceeds the maximum size of the computer file system architecture (for example, FAT32) and/or if customary (for example, NTFS) or newer file systems are not applicable or available.
A further need may exist to enhance data organization in the storage media, for example in order to store particular programs and data on separate partitions in the storage media. For instance, an encryption tool resides on one partition that is to be used to access the other, encrypted, partition. Further, it may be advantageous to have a movie on one partition and the respective movie player on another partition, for example, since the partitions may be formatted separately from each other. Therefore, a need exists to provide a method for allowing particular applications of a computer system to easily run in connection with a storage media.
The above objects may be achieved with the features of the claims.
In particular, the present invention is directed to a method for masquerading a storage media attached to a computer system. In case the computer system makes an inquiry, the masquerading of the storage media may influence the computer system's determination as to the question whether the storage media is a particular storage media, for example whether the storage media is a local or a removable storage media. In doing so, it may be possible to let run any application useful for working with the storage media.
According to the present invention, a method for influencing the result of an inquiry of a computer system is provided. A storage media is attached to the computer system, and the method comprises the method step of masquerading the storage media during the inquiry.
The storage media may be any media for storing and/or processing data, for example, digital cameras, printers, scanners, modems, telephones, video phones, and/or network connections, hi normal system operation, when the storage media is attached to the computer system, the computer system may be configured to automatically detect that the storage media is attached and may be configured to determine the type of storage media by carrying out an inquiry. If the result of the determination meets predetermined conditions communications from the computer system to the storage media may be established.
hi order to influence the result of the inquiry, the storage media is masqueraded during the inquiry, hi doing so, it may be possible to simulate the presence of a different media than the storage media actually attached. The masquerading may be achieved by using a particular adapter configured to masquerade the storage media, in particular by having a particular firmware in the adapter for hiding and/or virtually substituting the storage media.
Firmware is a program to internally control the functionality of electronic devices, for example, of an adapter. The expression "firmware" is contrasted with "hardware" and "software" which are well-known terms in this technical field. Firmware may be a microcode which cannot be manipulated or changed by a user. For example, in general terms, firmware denotes anything ROM-resident.
In a particular embodiment, the functionality of an adapter cannot be manipulated or changed by a user.
In a particular embodiment, the masquerading step is carried out by means of an adapter attached to the computer system and/or the storage media.
For example, the adapter may be configured to hide the actual presence and/or to change the identification of the storage media. This may be achieved by interconnecting the adapter with the computer system and the storage media, wherein the adapter may be configured to simulate particular properties of the storage media. In particular, the masquerading may be a hiding of properties and/or may retain them and/or may modify them, for example, to simulate different properties of the storage media. The properties of the storage media may, for example, be the type of the storage media, its capacity, its producer, or its compatibility.
The hiding and/or substituting as taught above may be achieved by a firmware provided by the adapter and wherein the firmware is configured to influence the properties of the storage media to be detected by the inquiry of the computer system. For example, any data to be sent from the storage media in response to the inquiry of the computer system to determine the type of the storage media connected to the computer system may be modified and/or retained and/or substituted by pre-determined data. In doing so, the result of the - A -
inquiry may simulate the presence of a different type of storage media attached to the computer system.
Using an adapter to masquerade the storage media may be advantageous, since the adapter may be used in connection with different operating systems without requiring any administrator rights.
In a particular embodiment, the storage media is a removable storage media, preferably a removable USB storage media.
In particular, the storage media may be connected/attached to the computer via a particular port, for example, via an external port (provided at the casing of the computer, and not provided inside the casing), for example, a USB port. A USB port in a computer system is usually applied to connect peripheral devices to the computer system as discussed above.
For example, Universal Serial Bus (USB) storage media may be used as storage media and may also be referred to as "USB stick" or "USB drive". Storage media may be removable storage media, in particular, removable USB storage media. Removable media are meant herein to be configured for being attached/connected to an external port of the computer system.
In a particular embodiment, the storage media, for example a removable storage media, is recognized by the computer system after the inquiry to be a local storage media of the computer system due to the masquerading.
For example, the masquerading of the storage media may lead to a substitution of data to be transmitted in response to the inquiry of the computer system, hi particular, the inquiry of the computer system may be meant to detect the type of storage media attached to the computer system, but the masquerading may result in a replacement and/or modification of the data to be sent as a response thereto or in a hiding of these data. In a particular embodiment, these data are characteristic for the type of the storage media, so that changing/modifying and/or hiding and/or retaining and/or substituting/replacing them influences the result of the inquiry of the computer system and may thus simulate the presence of a different type of storage media.
hi particular, the data to be transmitted from a removable storage media may be substituted and/or modified to simulate that the actual removable storage medium is a local storage medium. In doing so, it may be possible to partition the actual removable storage media in the same way as it would be possible for local storage media, independently from the operation system used for the computer system.
hi a particular embodiment, the masquerading step comprises a controlling of commands from the storage media to the computer system and/or a controlling of commands from the computer system to the storage media.
For example, commands from the storage media to the computer system may contain the data to be transmitted in response to the inquiry of the computer system. In particular, the original commands of a storage media may contain any information allowing the identification of the type of the storage media.
Thus, it may be advantageous to control the commands in order to avoid the transmission of any commands counteracting the masquerading of the storage media.
hi a particular embodiment, the controlling step comprises a determining of the contents of the commands.
For example, the contents of a command may be characterized by the structure of the data in the command. A particular data structure determined may be compared to a list of predetermined and pre-stored data structures (for example, stored as "reference data structures" in the adapter carrying out the method or included in the firmware carrying out the method) and may thus be identified as being associated with a particular content.
In doing so, it may be possible to reliably identify those commands to be sent from the storage media to the computer system, which might counteract the masquerading. Hence, those commands may be modified and/or substituted in response to the inquiry.
In a particular embodiment, the controlling step further comprises an intercepting of commands from the storage media if the contents are based on the fact that the storage media is actually not a local storage media.
In particular, the commands identified as including contents counteracting the masquerading may be retained/hindered from being transmitted to the computer system. For example, the transmission itself may be stopped by deleting these commands or by replacing their transmission by a transmission of different data structures in line with the masquerading.
In a particular embodiment, the controlling step further comprises a step of allowing the transmission of commands from the storage media if the contents are not based on the fact that the storage media is actually not a local storage media.
For example, a determination of the contents of a command to be transmitted from the storage media to the computer system may result in the finding that the data structures are not identified as counteracting the masquerading. In this case, the command may be transmitted to the computer system without any modification.
In doing so, the intended function and use of the storage media may be guaranteed without negatively affecting the masquerading of the storage media.
In a particular embodiment, the controlling step further comprises a generating of commands which are mandatory for a local storage media and are sent to the computer system.
For example, if the determination of the contents of the commands to be sent/transmitted to the computer system finds that the data structures counteract the masquerading of the removable storage media, one or more commands may be generated to replace the original commands by the new ones. The new commands may be based on the original commands, for example, the new commands may contain data structures of the original commands combined with new data structures or may contain the original data structures modified by a particular data annex, in order to fulfil the requirements of the masquerading. Further, the newly generated command or commands may be transmitted to the computer system, for example, in response to the inquiry.
In doing so, the result of the inquiry of the computer system is influenced. For example, the generated command may simulate the presence of a different storage media than the actual storage media, e.g. of a local storage media instead of the actual removable storage media, by containing contents mandatory for a local storage media.
In a particular embodiment, the operating system of the computer system is WINDOWS®.
For example, the operating system may be any version of WINDOWS®. Further, the operating system may be Linux or MacOS. In particular, any operating system may be used for the computer system.
Further, the present invention provides a computer program product comprising one or more computer readable media having computer executable instructions for performing the steps of one of the methods as described above.
Furthermore, the present invention provides an adapter for a computer system to which a storage media is attached. The adapter is configured to masquerade the storage media during an inquiry of the computer system. In particular, the adapter may be configured to carry out each of the method steps above. For example, the adapter may contain a firmware enabling the adapter to perform the above method.
Particularly, the adapter may be connectable/attachable to an external port (provided at the casing of the computer, and not provided inside the casing), for example, to a USB port. Furthermore, the adapter may be connectable/attachable to a storage media .
In a particular embodiment, the adapter is configured to control commands from the storage media to the computer system and/or to control commands from the computer system to the storage media.
For example, the adapter may be configured to identify particular commands to be transmitted to the computer system. In particular, the adapter may be configured to stop the transmission of commands if these commands counteract the masquerading of the storage media.
Hence, the adapter may advantageously guarantee that the inquiry of the computer system is responded in a preferred way, for example, to simulate the presence of a different storage media than the actual one. In doing so, it may be possible to, for example, partition a removable storage device, independently from the operating system of the computer system.
In a particular embodiment, the control of the commands comprises a determination of the contents of the commands.
For example, the contents of a command may be characterized by the data structure as discussed above. A particular data structure already determined by the adapter may be compared to a list of pre-determined and pre-stored data structures (stored in the adapter as "reference data structures") and may thus be identified as being associated with a particular content.
In doing so, it may be possible to reliably identify those commands which might counteract the masquerading. Hence, those commands may be modified and/or substituted in response to the inquiry and may, for example, then be transmitted to the computer system.
In a particular embodiment, the adapter is configured to intercept and/or let pass the commands from the storage media, dependent on the commands' contents determined, and/or generate commands mandatory of a local storage media and to be sent to the computer system.
hi particular, the commands identified as including contents counteracting the masquerading may be intercepted/retained/hindered from being transmitted to the computer system. For example, the transmission itself may be stopped by deleting these commands or by replacing their transmission by a transmission of different data structures in line with the masquerading.
If, for example, a determination of the contents of a command to be transmitted from the storage media to the computer system result in the finding that the data structures are not identified as counteracting the masquerading, the command may be transmitted to the computer system.
hi this case, the intended function and use of the storage media may be guaranteed without negatively affecting the masquerading of the storage media.
If, for example, the determination of the contents of the commands to be sent/transmitted to the computer system finds that the data structures counteract the masquerading of the removable storage media, one or more commands may be generated to replace the original commands as discussed above. Further, the newly generated command or commands may be transmitted to the computer system, for example, in response to the inquiry.
In doing so, the result of the inquiry of the computer system is influenced. For example, the generated command may simulate the presence of a local storage media instead of the actual removable storage media by providing contents mandatory for local storage media.
Further explanations and features mentioned in connection with the method of the present invention and its embodiments may also be applied for the above discussed adapter and its embodiments.
Due to the above discussed invention, it may be possible to start particular applications of the computer system in connection with the storage media provided with simulated properties, wherein these applications, as for example the partitioning, are not possible to be carried out without the simulated properties of the storage media.
While the invention has been illustrated and described in detail in the foregoing description, such illustration and description are to be considered illustrative or exemplary and non- restrictive; the invention is thus not limited to the disclosed embodiments. Features mentioned in connection with one embodiment described herein may also be advantageous as features of another embodiment described herein without explicitly showing these features. Variations to the disclosed embodiments can be understood and effected by those skilled in the art and practicing the claimed invention, from a study of the disclosure and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill some functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures can not be used to advantage.

Claims

1. Method for influencing the result of an inquiry of a computer system to which a storage media is attached, comprising:
- masquerading the storage media during the inquiry.
2. Method of claim 1 , wherein the masquerading step is carried out by means of an adapter attached to the computer system and/or the storage media.
3. Method of claim 1 or 2, wherein the storage media is a removable storage media, preferably a removable USB storage media.
4. Method of claim 1, 2 or 3, wherein the storage media is recognized by the computer system after the inquiry to be a local storage media of the computer system due to the masquerading.
5. Method of one of the preceding claims, wherein the masquerading step comprises:
- controlling commands from the storage media to the computer system and/or controlling commands from the computer system to the storage medium.
6. Method of claim 5, wherein the controlling step comprises:
- determining the contents of the commands.
7. Method of claim 6, wherein the controlling step further comprises:
- intercepting commands from the storage media if the contents are based on the fact that the storage media is actually not a local storage media.
8. Method of claim 6 or 7, wherein the controlling step further comprises:
allowing the transmission of commands from the storage media if the contents are not based on the fact that the storage media is actually not a local storage media
9. Method of one of claim 5 - 8, wherein the controlling step further comprises:
- generating commands which are mandatory for a local storage media and are sent to the computer system.
10. Method of one of the preceding claims, wherein the operating system of the computer system is WINDOWS®.
11. Computer program product comprising one or more computer readable media having computer executable instructions for performing the steps of the method of one of the preceding claims.
12. Adapter for a computer system to which a storage media is attached, wherein the adapter is configured to masquerade the storage media during an inquiry of the computer system.
13. Adapter of claim 12, wherein the adapter is configured to control commands from the storage media to the computer system and/or to control commands from the computer system to the storage media.
14. Adapter of claim 13, wherein the control of the commands comprises a determination of the contents of the commands.
15. Adapter of claim 14, wherein the adapter is configured to intercept and/or let pass the commands from the storage media, dependent on the commands' contents determined, and/or generate commands mandatory of a local storage media and to be sent to the computer system.
PCT/EP2009/056163 2009-05-20 2009-05-20 Masquerading a storage media in a computer system Ceased WO2010133254A1 (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/056163 WO2010133254A1 (en) 2009-05-20 2009-05-20 Masquerading a storage media in a computer system

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970954B1 (en) * 2003-03-27 2005-11-29 Logicube, Inc. System and method for intercepting and evaluating commands to determine if commands are harmful or benign and to emulate harmful commands
US7383386B1 (en) * 2004-05-21 2008-06-03 Mcm Portfolio Llc Multi partitioned storage device emulating dissimilar storage media
US20080147375A1 (en) * 2006-12-19 2008-06-19 Nokia Corporation System, method, device, and computer program product for providing a portable device having drive emulation capabilities

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970954B1 (en) * 2003-03-27 2005-11-29 Logicube, Inc. System and method for intercepting and evaluating commands to determine if commands are harmful or benign and to emulate harmful commands
US7383386B1 (en) * 2004-05-21 2008-06-03 Mcm Portfolio Llc Multi partitioned storage device emulating dissimilar storage media
US20080147375A1 (en) * 2006-12-19 2008-06-19 Nokia Corporation System, method, device, and computer program product for providing a portable device having drive emulation capabilities

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