USRE41092E1 - Data security method and device for computer modules - Google Patents
Data security method and device for computer modules Download PDFInfo
- Publication number
- USRE41092E1 USRE41092E1 US11/056,604 US5660405A USRE41092E US RE41092 E1 USRE41092 E1 US RE41092E1 US 5660405 A US5660405 A US 5660405A US RE41092 E USRE41092 E US RE41092E
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- Prior art keywords
- console
- computer module
- security
- computer
- module
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- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
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- 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
- G06F2221/2113—Multi-level security, e.g. mandatory access control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99939—Privileged access
Definitions
- the present invention relates to computing devices. More particularly, the present invention provides a method and device for securing a personal computer or set-top box. Merely by way of example, the present invention is applied to a modular computing environment for desk top computers, but it will be recognized that the invention has a much wider range of applicability. It can be applied to other portable or modular computing applications.
- PCs Many desktop or personal computers, which are commonly termed PCs, have been around and used for over ten years.
- the PCs often come with state-of-art microprocessors such as the Intel PentiumTM microprocessor chips. They also include a hard or fixed disk drive including memory in the giga-byte range. Additionally, the PCs often include a random access memory integrated circuit device such as a dynamic random access memory device, which is commonly termed DRAM.
- DRAM dynamic random access memory device
- the DRAM devices now provide up to millions of memory cells (i.e., mega-bit) on a single slice of silicon.
- PCs also include a high resolution display such as cathode ray tubes or CRTs. In most cases, the CRTs are at least 15 inches or 17 inches or 19 inches in diameter. High resolution flat panel displays are also used with PCs.
- peripheral devices can be used with the PCs.
- these peripheral devices include mass storage devices such as a ZipTM Drive product sold by Iomega Corporation of Utah.
- Other storage devices include external hard drives, tape drives, and others.
- Additional devices include communication devices such as a modem, which can be used to link the PC to a wide area network of computers such as the Internet.
- the PC can include output devices such as a printer and other output means.
- the PC can include special audio output devices such as speakers the like.
- PCs also have easy to use keyboards, mouse input devices, and the like.
- the keyboard is generally configured similar to a typewriter format.
- the keyboard also has the length and width for easily inputting information by way of keys to the computer.
- the mouse also has a sufficient size and shape to easily move a cursor on the display from one location to another location.
- computing devices include portable computing devices such as “laptop” computers and the like. Although somewhat successful, laptop computers have many limitations. These computing devices have expensive display technology. In fact, these devices often have a smaller flat panel display that has poor viewing characteristics. Additionally, these devices also have poor input devices such as smaller keyboards and the like. Furthermore, these devices have limited common platforms to transfer information to and from these devices and other devices such as PCs.
- the user must often couple the portable computer to a local area network (i.e., LAN), to a serial port with a modem and then manually transfer over files and data between the desktop and the portable computer.
- a local area network i.e., LAN
- serial port with a modem
- the user often must use floppy disks to “zip” up files and programs that exceed the storage capacity of conventional floppy disks, and transfer the floppy disk data manually.
- both the desktop and portable computers typically include hard disk drives, floppy drives, CD-ROMs, computer memory, host processors, graphics accelerators, and the like. Because program software and supporting programs generally must be installed upon both hard drives in order for the user to operate programs on the road and in the office, hard disk space is often wasted.
- a docking station with a portable computer.
- the user has the portable computer for “on the road” use and a docking station that houses the portable computer for office use.
- the docking station typically includes a separate monitor, keyboard, mouse, and the like and is generally incompatible with other desktop PCs.
- the docking station is also generally not compatible with portable computers of other vendors.
- Another drawback to this approach is that the portable computer typically has lower performance and functionality than a conventional desktop PC.
- the processor of the portable is typically much slower than processors in dedicated desktop computers, because of power consumption and heat dissipation concerns.
- some top-of-the-line desktops include 400 MHz processors
- top-of-the-line notebook computers include 266 MHz processors.
- PC architecture generally shows freedom of data flow between memory and peripheral devices within the allowed memory and I/O address spaces.
- a peripheral bus i.e. PCI bus
- PCI bus allows any device to be a bus master and perform data transaction with another device. Also when a software program is in control, it can move data between any two devices.
- the conventional PC is a single machine that does not have a mechanism to perform security ID matching in hardware.
- the present invention provides a security system for an attached computer module (“ACM”).
- ACM inserts into a computer module bay (CMB) within a peripheral console to form a functional computer.
- a security program reads an identification number in a security memory device to determine a security level of the ACM according to one embodiment.
- the present invention provides a system for secured information transactions.
- the system has a console (e.g., computer housing) comprising a peripheral controller housed in the console; and a security memory device (e.g., flash memory device) coupled to the peripheral controller.
- the system also has an attached computer module (i.e., a removable module with memory and microprocessor) coupled to the console.
- the attached computer module has a host interface controller housed within the attached computer module to interface to the security memory device through the peripheral controller.
- the present invention provides a security protection method for a computer module.
- the method includes steps or acts of inserting the computer module into a console. Once the module has been inserted, the method initiates a security program in the module to read a security identification of the console and to read a security identification of the computer module. Based upon a relationship of the console identification and the computer module identification, a predetermined security status is determined from, for example, a look up table or the like. The method then selects the predetermined security status, which can be one of many. The method then operates the computer module based upon the security status.
- the present invention provides a method for identifying a user for a computer module.
- the method includes inserting a computer module into a console; and initiating a security program in memory of the computer module.
- the method prompts a plurality of input fields corresponding to respective input information on a user interface to be provided by a user of the computer module.
- the method inputs the input information into the user interface of the computer module.
- the input information includes a user (e.g., owner) name, a user (e.g., owner) password, a business name, a business password, and a location.
- the present invention provides a system for secured information transactions, e.g., data security, electronic commerce, private communications.
- the system includes a console comprising a peripheral controller housed in the console.
- a user identification input device e.g., keyboard, retinal reader, finger print reader, voice recognition unit
- the user identification input device is provided for user identification data of the user.
- the system has an attached computer module coupled to the console.
- the attached computer module has a security memory device (e.g., flash memory device) stored with the user identification data.
- the present invention provides mechanical and electrical security systems to prevent theft or unauthorized use of the computer system in a specific embodiment. Additionally, the present invention substantially prevents accidental removal of the ACM from the console. In some embodiments, the present invention prevents illegal or unauthorized use during transit.
- the present invention is also implemented using conventional technologies that can be provided in the present computer system in an easy and efficient manner. Depending upon the embodiment, one or more of these benefits can be available.
- FIG. 1 is a simplified diagram of a computer system according to an embodiment of the present invention
- FIG. 2 is a simplified diagram of a computer module according to an embodiment of the present invention.
- FIG. 3 is a simplified top-view diagram of a computer module according to an embodiment of the present invention.
- FIG. 4 is a simplified illustration of security systems according to embodiments of the present invention.
- FIG. 5 is a simplified diagram of a computer module in a console according to an embodiment of the present invention.
- FIG. 6 is a simplified diagram of a security method for a module according to an embodiment of the present invention.
- FIG. 7 is a simplified diagram of a method according to an embodiment of the present invention.
- FIG. 8 is a simplified diagram of a system 800 according to an alternative embodiment of the present application.
- FIG. 1 is a simplified diagram of a computer system 1 according to an embodiment of the present invention. This diagram is merely an illustration and should not limit the scope of the claims herein. One of ordinary skill in the art would recognize other variations, modifications, and alternatives.
- the computer system 1 includes an attached computer module (i.e., ACM) 10 , a desktop console 20 , among other elements.
- ACM attached computer module
- the computer system is modular and has a variety of components that are removable. Some of these components (or modules) can be used in different computers, workstations, computerized television sets, and portable or laptop units.
- ACM 10 includes computer components, as will be described below, including a central processing unit (“CPU”), IDE controller, hard disk drive, computer memory, and the like.
- the computer module bay (i.e., CMB) 40 is an opening or slot in the desktop console.
- the CMB houses the ACM and provides communication to and from the ACM.
- the CMB also provides mechanical protection and support to ACM 10 .
- the CMB has a mechanical alignment mechanism for mating a portion of the ACM to the console.
- the CMB further has thermal heat dissipation sinks, electrical connection mechanisms, and the like.
- the present system has a security system, which includes a mechanical locking system, an electrical locking system, and others.
- the mechanical locking system includes at least a key 11 .
- the key 11 mates with key hole 13 in a lock, which provides a mechanical latch 15 in a closed position.
- the mechanical latch in the closed position, mates and interlocks the ACM to the computer module bay.
- the mechanical latch which also has an open position, allows the ACM to be removed from the computer module bay. Further details of the mechanical locking system are shown in FIG. below.
- FIG. 2 is a simplified diagram of a computer module 10 according to an embodiment of the present invention.
- the computer module 10 includes key 11 , which is insertable into keyhole 13 of the lock.
- the lock has at least two position, including a latched or closed position and an unlatched or open position.
- the latched position secures the ACM to the computer module bay.
- the unlatched or open position allows the ACM to be inserted into or removed from the computer bay module.
- the ACM also has a slot or opening 14 , which allows the latch to move into and out of the ACM.
- the ACM also has openings 17 in the backside for an electrical and/or mechanical connection to the computer module bay, which is connected to the console.
- FIG. 3 is a simplified top-view diagram 10 of a computer module for computer system according to an embodiment of the present invention.
- the layout diagram illustrates the top-view of the module 10 , where the backside components (e.g., Host Interface Controller) are depicted in dashed lines.
- the layout diagram has a first portion, which includes a central processing unit (“CPU”) module 400 , and a second portion, which includes a hard drive module 420 .
- a common printed circuit board 437 houses these modules and the like.
- the ACM includes the central processing unit module 400 with a cache memory 405 , which is coupled to a north bridge unit 421 , and a host interface controller 401 .
- the host interface controller includes a lock control 403 .
- the CPU module is disposed on a first portion of the attached computer module, and couples to connectors 17 .
- the CPU module is spatially located near connector 17 .
- the CPU module can use a suitable microprocessing unit, microcontroller, digital signal processor, and the like.
- the CPU module uses, for example, a 400 MHz Pentium II microprocessor module from Intel Corporation and like microprocessors from AMD Corporation, Cyrix Corporation (now National Semiconductor Corporation), and others.
- the microprocessor can be one such as the Compaq Computer Corporation Alpha Chip, Apple Computer Corporation PowerPC G3 processor, and the like. Further, higher speed processors are contemplated in other embodiments as technology increases in the future.
- host interface controller 401 is coupled to BIOS/flash memory 405 . Additionally, the host interface controller is coupled to a clock control logic, a configuration signal, and a peripheral bus.
- the present invention has a host interface controller that has lock control 403 to provide security features to the present ACM. Furthermore, the present invention uses a flash memory that includes codes to provide password protection or other electronic security methods.
- the second portion of the attached computer module has the hard drive module 420 .
- the hard drive module includes north bridge 421 , graphics accelerator 423 , graphics memory 425 , a power controller 427 , an IDE controller 429 , and other components.
- Adjacent to and in parallel alignment with the hard drive module is a personal computer interface (“PCI”) bus 431 , 432 .
- PCI personal computer interface
- a power regulator 435 is disposed near the PCI bus.
- north bridge unit 421 often couples to a computer memory, to the graphics accelerator 423 , to the IDE controller, and to the host interface controller via the PCI bus.
- Graphics accelerator 423 typically couples to a graphics memory 423 , and other elements.
- IDE controller 429 generally supports and provides timing signals necessary for the IDE bus.
- the IDE controller is embodied as a 643U2 PCI-to IDE chip from CMD Technology, for example.
- Other types of buses than IDE are contemplated, for example EIDE, SCSI, USB, and the like in alternative embodiments of the present invention.
- the hard drive module or mass storage unit 420 typically includes a computer operating system, application software program files, data files, and the like.
- the computer operating system may be the Windows98 operating system from Microsoft Corporation of Redmond Washington.
- Other operating systems such as WindowsNT, MacOS8, Unix, and the like are also contemplated in alternative embodiments of the present invention.
- some typical application software programs can include Office98 by Microsoft Corporation, Corel Perfect Suite by Corel, and others.
- Hard disk module 420 includes a hard disk drive.
- the hard disk drive can also be replaced by removable hard disk drives, read/write CD ROMs, flash memory, floppy disk drives, and the like.
- a small form factor, for example 2.5′′, is currently contemplated, however, other form factors, such as PC card, and the like are also contemplated.
- Mass storage unit 240 may also support other interfaces than IDE.
- the present invention provides a file and data protection security system and method for a removable computer module or ACM.
- ACM contains the primary hard disk drive (HDD) where the operating system, application programs, and data files reside.
- the security system is used to prevent illegal access and copying of any file residing on the HDD inside ACM.
- An ACM is a self-contained computing device that can be armed with security software and hardware to protect its owner's private files and data.
- ACM docks with a computer bay in a wide variety of peripheral consoles.
- the combined ACM and peripheral console function as a personal computer.
- a computer module interface bus connects ACM and peripheral device.
- all ACM data passes through computer module interface (CMI) bus to reach any device in the peripheral console, i.e.
- CMI computer module interface
- CMI bus data transfer is controlled by a pair of interface controllers on either side of the bus. This partitioning of a personal computer offer a way of protecting against illegal access of data residing within ACM by guarding data transaction through the computer module interface bus.
- a secured ACM has an enclosure that includes the following components:
- a peripheral console includes some of the following elements:
- the Computer Module Bay is an opening in a peripheral console that receives ACM. CMB provides mechanical protection and electrical connection to ACM.
- the Computer Module Interface bus is made up of 3 bus components: video bus, peripheral data bus, and power bus.
- Video Bus consists of video output of graphics devices, i.e. analog RGB and control signals for monitor, or digital video signals to drive flat panel displays.
- Power bus supplies the power for ACM.
- Peripheral data bus is a high speed, compressed, peripheral bridge bus managed by a Host Interface Controller in ACM and a peripheral Interface Controller in peripheral console. In some embodiments, all peripheral data transaction passes through the interface controllers.
- the implementation of the secured ACM generally includes the following elements:
- security levels are:
- Typical security ID can include:
- the user through the security program can activate different levels of password protection, which can be stored in a look up table.
- the company through the security program can control different levels of access privilege of a user, a business group, or equipment.
- the security code then program the security level allowed by the access privilege determined by the security ID matching result. For example, if an unidentified peripheral console is detected upon power up by the low level security code, e.g. a home unit, the access privilege can set to Peripheral Read-only. With Read-only access privilege for all peripheral devices in peripheral console, the data detection and control circuitry is programmed to monitor all data traffic going to the peripheral console. Any memory block transfer to peripheral console will be detected and blocked. Under this mode, a user can use the computer with free access to the primary HDD in ACM. Any files can be read from other storage media in the peripheral console. But no files from the primary HDD can be copied to another media.
- the data detection circuitry separately monitors peripheral bus operation type and memory address range being accessed.
- a specific address range for memory accesses and for I/O accesses can be programmed for the data detection circuitry to flag a match.
- a data blocking circuitry is triggered by the detection circuitry when a match occurs, and blank out the data that is being sent to the peripheral console.
- a temper tamper resistant enclosure must be used to prevent removal of the hard disk drive and the flash memory inside ACM. Further details are shown throughout the present specification and more particularly below.
- FIG. 4 is a simplified illustration of security systems 300 according to embodiments of the present invention. This illustration is merely an example, which should not limit the scope of the claims herein. One of ordinary skill in the art would recognize other variations, modifications, and alternatives.
- the systems show various examples of ways to implement the present invention.
- a user relies upon certain consoles to access information.
- a company's shared portable console 325 can access general company information 303 .
- Selected security identification information 315 is entered into the shared console to access the information via a network.
- the information generally includes owner, owner password, business, business password, console type, location, and access privilege information, which is displayed on a user display.
- the owner is generally the user name. Owner password is the user password.
- the business is the business unit name and business password is the business unit password.
- the console type can be portable for laptops, notebooks, and the like.
- the console type can be a desktop.
- the location generally specifies the desktop location or address for a networked system.
- the location can also be a home location.
- Access privilege can be categorized into many different levels. For example, the user can access general company information, but not information directed to other business units. The user can also be limited to access his/her private information, which is company related. Many other types of information can be restricted or accessed depending upon the embodiment.
- consoles include, among others, a console at a user's home, e.g., “John Doe's,” a console in the user's office 329 , a console in a co-worker's office 331 , which the user can access.
- the access from John Doe's home console uses security identification 317 and provides restricted access 305 .
- the user's use of the module 307 can be from a variety of consoles and is accessed using security identification 319 .
- access privilege is private, which allows the user to access private personal information or private company information that the user has created.
- the user's access from his office relies upon security identification 321 , which grants access to private information and general company information.
- the co-worker's console can also be used with security identification 323 , which allows the user to access general company information but not private information of John Doe, for example.
- security system can provide partial or full access to information on servers via network as well as an attached computer module. Information can also be limited to read only for certain information sources such as a server, a hard drive, a floppy drive, and others.
- the present invention also provides a security feature for the ACM 307 .
- the user of the ACM can be granted access to information in the ACM if the correct security identification information 319 is provided to the combination of ACM and console. Once the correct information is provided, the user can access the information on the hard drive of the ACM, which can be for private use. Other levels of access and security can also be provided depending upon the application.
- FIG. 5 is a simplified diagram 500 of a computer module in a console according to an embodiment of the present invention.
- the block diagram 500 includes an attached computer module 501 and a peripheral console 503 , as well as other elements as desired. These elements have a variety of features such as those noted above, as well as others.
- different reference numerals are used to show the operation of the present system.
- the block diagram 500 illustrates attached computer module 501 .
- the module 501 has a central processing unit 502 , which communicates to a north bridge 541 , by way of a CPU bus 527 .
- the north bridge couples to main memory 523 via memory bus 529 .
- the main memory can be any suitable high speed memory device or devices such as dynamic random access memory (“DRAM”) integrated circuits and others.
- the DRAM includes at least 32 Meg. or 64 Meg. and greater of memory, but can also be less depending upon the application.
- the main memory can be coupled directly with the CPU in some embodiments.
- the north bridge also couples to a graphics subsystem 515 via bus 542 .
- the graphics subsystem can include a graphics accelerator, graphics memory, and other devices. Graphics subsystem transmits a video signal to an interface connector, which couples to a display, for example.
- the attached computer module also includes a primary hard disk drive 509 that serves as a main memory unit for programs and the like.
- the hard disk can be any suitable drive that has at least 2 GB and greater. As merely an example, the hard disk is a Marathon 2250 (2.25 GB, 2 1 ⁇ 2 inch drive) product made by Seagate Corporation of Scotts Valley, but can be others.
- the hard disk communicates to the north bridge by way of a hard disk drive controller and bus lines 502 and 531 .
- the hard disk drive controller couples to the north bridge by way of the host PCI bus 531 , which connects bus 537 to the north bridge.
- the hard disk includes computer codes that implement a security program according to the present invention. Details of the security program are provided below.
- the attached computer module also has a flash memory device 505 with a BIOS.
- the flash memory device 505 also has codes for a user password that can be stored in the device.
- the flash memory device generally permits the storage of such password without a substantial use of power, even when disconnected.
- the flash memory device has at least 512 kilobits or greater of memory, or 1 megabits or greater of memory.
- the flash memory device can store a security identification number or the like.
- the flash memory device is generally non-volatile and can preserve information even when the power is turned off, for example.
- the flash memory generally has at least 128 kilobits storage cells or more.
- the flash memory can be any product such as a W29C020 product made by a company called Winbond of Taiwan, but can also be others.
- a host interface controller 507 communications to the north bridge via bus 535 and host PCI bus.
- the host interface controller also has a data control 511 .
- Host interface controller 507 communicates to the console using bus 513 , which couples to connection 515 516 .
- Peripheral console 503 includes a variety of elements to interface to the module 501 , display 551 , and network 553 .
- the console forms around south bridge 571 , which couples to bus 563 , which couples to bus 561 .
- Bus 561 is in communication with network card 555 , which is a local area network for Ethernet, for example.
- South bridge also couples through control 569 to peripheral interface controller 567 , which also communicates to bus 561 .
- Peripheral interface controller also couples to host interface controller through connection 515 516 and bus 513 .
- the peripheral console has a primary removable drive 559 connected to south bridge through bus 575 .
- South bridge also couples to secondary hard disk through bus 577 .
- the peripheral console also has a serial EEPROM memory device 575 , which is coupled to the peripheral interface controller.
- the memory device can store a security identification number or the like.
- the memory device is generally non-volatile and can preserve information even when the power is turned off, for example.
- the memory generally has at least 16 kilobits of storage cells or more.
- the memory device is a 16 kilobit device or 64 megabit device or greater, depending upon the application.
- the memory can be any product such as a X24320 product made by a company called Xicor, but can also be others.
- the memory cell and user identification will be more fully described below in reference to the FIGS.
- FIG. 6 is a simplified diagram of a security method 600 for a module according to an embodiment of the present invention.
- the present method shows an example of how the present security method can be implemented.
- the present method uses a combination of software 601 and hardware 603 , which is in the computer module.
- a plurality of external devices can be accessed depending upon the embodiment. These external devices include a secondary hard drive 618 , a removable drive 619 , a network (e.g., LAN, modem) device 621 , and others.
- a keyboard 623 is also shown, which can act locally.
- the software 601 includes an operating system 609 , application programs 607 , and a data security and initialization program 605 . Other programs can also exist. Additionally, some of these programs may not exist. Preferably, the data security and initialization program exists. This data security and initialization program is initiated once the attached computer module is inserted into the console. The program interface and oversees a variety of hardware features, which will be used to control access to the external devices, for example. Of course, the particular configuration of the software will depend upon the application.
- Hardware features can be implemented using a primary hard disk 611 coupled to a CPU/cache combination, which includes a main memory.
- the main memory is often a volatile memory such as dynamic random access memory.
- Data from any one of the external devices can enter the CPU/cache combination.
- the secondary hard disk memory and I/O address range data is transferred 624 to the CPU/cache combination.
- the removable drive memory and I/O address range data can also transfer 625 to the CPU/cache combination.
- the LAN memory and I/O address range data can also transfer 626 to the CPU/cache combination. Keyboard data can also transfer 627 to the CPU/cache combination.
- the data security program interfaces with the data detection and control circuit to determine of such data should be transferred to any one of the external elements.
- the external elements include, among others, secondary hard disk, and removable drive.
- the data security program checks the security identification number with other numbers to determine the security access level.
- FIG. 7 is a simplified diagram 700 of a method according to an embodiment of the present invention. This diagram is merely an illustration which should not limit the scope of the claims herein. One of ordinary skill in the art would recognize other variations, modifications, and alternatives.
- the present method begins at power up, which is step 701 .
- the present method reads a security code, which has been entered by a user, for example, in step 703 .
- the security code can be a string of characters, including numbers and letters.
- the security code is preferably a mixture of numbers and letters, which are at least about 6 characters in length, but is not limited.
- the present method reads (step 703 ) the security code, which has been entered.
- the security code is compared with a stored code, which is in flash memory or the like (step 705 ). If the compared code matches with the stored code, the method resumes to step 708 .
- the method goes to step 707 via branch 706 where no access is granted. When no access is granted, all data are blocked out from the user that attempts to log onto the system.
- the method determines if a certain level of access is granted, step 708 .
- the present method can grant full access, step 710 , via branch 716 .
- the present method allows full access based upon information stored in the flash memory device. Alternatively, the method can allow the user to access a limited amount of information.
- the present method allows for at least one or more than two levels of access.
- the present method allows for the user of the module to access peripheral storage (step 711 ).
- the access privilege is read-only.
- the user can read information on the peripheral storage including hard disks and the like.
- the method data control, step 719 takes over, where the hardware prevents the user from accessing other information, step 721 .
- the method can allow information to be removed from the peripheral storage. If the method allows for data to be removed, step 723 , the method goes through branch 731 to let data out, which can occur through the module. Alternatively, the method goes to block data (step 725 ) via branch 733 .
- the method returns to the decision block, step 723 .
- the method traverses branch 714 to a peripheral read-only process, step 712 .
- the read-only process programs data control, step 713 .
- the hardware takes over (step 715 ).
- the method blocks all data from being accessed by the user, step 717 .
- FIG. 8 is a simplified diagram of a system 800 according to an alternative embodiment of the present invention.
- the system 800 includes an attached computer module 801 , which can be inserted into one of a plurality of console devices to create a “plug and play” operation.
- the console device can be peripheral console 801 or peripheral console 805 .
- Each peripheral console can have similar or different connection characteristics.
- Peripheral console 803 couples to a local area network using Ethernet 817 .
- Peripheral console 805 couples to a DSL line 827 through a DSL modem 825 .
- Other consoles can also be included to use other types of networks such as ADSL, Cable Modem, wireless, Token Ring, and the like.
- the attached computer module has elements such as a memory region 807 , which stores BIOS information, a security code, and a security identification number on a flash memory device or the like.
- the memory region couples to a central processing region 809 , which can include CPU, chipset, cache memory, graphics, and a hard disk drive, as well as other features.
- the central processing region couples to a host interface controller, which interfaces the attached computer module to one of the peripheral consoles. Any of the above information can also be included in the attached computer module.
- Each peripheral console also has a variety of elements. These elements include a region 813 , 821 , which has a flash memory device with a security identification number, a password, access information, access privileges, internet service provider access information, as well as other features, which were previously noted.
- the peripheral console also has an interface controller 815 , 823 , which couples region 813 , 821 , respectively to a networking device 817 , 825 .
- the networking device can be an Ethernet card 817 , which allows communication to the local area network 819 .
- the networking device can be a DSL modem 825 , which allows communication to a DSL (or ADSL) phone line. Other types of networking device can also be used, depending upon the application.
- Each console provides a selected connection based upon set of predefined factors. These factors include communication hardware information so that software in attached computer module can read and allow a connection to a network. Here, access information can be provided to the user. Information about connection information will also be included. This connection information includes telephone numbers, account numbers, passwords (local), or a company password. The console and module combination will take care of charges, etc. based upon time bases. Module will have credit card information, but will have security. In a specific embodiment, the module inserts into the console. The module then asks the console which hardware will be used. If the hardware is an Ethernet connect, the module configures connection information to access the Ethernet connection. Alternatively, if the hardware requires a DSL connection, the module configures connection information to access the DSL connection. Other configuration information such as company server information, password, can also be provided.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
Description
-
- 1) ACPU,
- 2) Main memory,
- 3) A primary Hard Disk Drive (HDD),
- 4) Operating System, application software, data files on primary HDD,
- 5) Interface circuitry and connectors to peripheral console,
- 6) Flash memory used for storing security code and ID,
- 7) Data detection and control circuitry to manage data flow to peripheral console,
- 8) Circuit board connecting the above components, and others.
-
- 1) Input means, e.g. keyboard and mouse,
- 2) Display means, e.g. CRT monitor, or integrated LCD display,
- 3) Removable storage media subsystem, e.g. Floppy drive, CDROM drive,
- 4) Communication device, e.g. LAN or modem,
- 5) Computer Module Bay, interface device and connectors to ACM,
- 6) Flash memory with security ID,
- 7) Power supply or battery system, and other devices.
-
- 1) A programmable Flash memory controlled by the Peripheral Interface Controller containing the security ID for the peripheral console,
- 2) A programmable Flash memory controlled by the Host Interface Controller containing hardware specific security code and ID for the computer module,
- 3) A data detection and control circuitry within Host Interface Controller to detect and manage data going out of ACM, and
- 4) A low level hardware dependent security code to perform security ID matching, hardware programming to manage data flow,
- 5) A high-level security program to manage user interface, program security ID, program security level, and other functions.
-
- 1) No access—Security IDs do not match according to owner's requirement. The Host Interface Controller blocks all peripheral data traffic between ACM and peripheral console except for keyboard and mouse,
- 2) Peripheral Read-only—No files can be written to any peripheral devices. All peripheral devices in peripheral console are managed as Read-only devices. The primary hard disk drive in ACM can be accessed freely,
- 3) Limited access—Certain peripheral devices are allowed read/write access, i.e. modem, and other devices are Read-only, i.e. removable media devices,
-
- 1) User ID
- 2) User password
- 3) User Access privilege
- 4) Business ID
- 5) Business password
- 6) Equipment ID
- 7) Equipment access privilege, and any other security IDs.
Claims (62)
Priority Applications (8)
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US11/056,604 USRE41092E1 (en) | 1999-05-14 | 2005-02-10 | Data security method and device for computer modules |
US12/561,138 USRE42984E1 (en) | 1999-05-14 | 2009-09-16 | Data security method and device for computer modules |
US13/294,108 USRE43602E1 (en) | 1999-05-14 | 2011-11-10 | Data security method and device for computer modules |
US13/562,210 USRE44468E1 (en) | 1999-05-14 | 2012-07-30 | Data security method and device for computer modules |
US13/649,078 USRE44654E1 (en) | 1999-05-14 | 2012-10-10 | Data security method and device for computer modules |
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US14/087,640 USRE46947E1 (en) | 1999-05-14 | 2013-11-22 | Data security method and device for computer modules |
US14/109,749 USRE45140E1 (en) | 1999-05-14 | 2013-12-17 | Data security method and device for computer modules |
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USRE44654E1 (en) | 2013-12-17 |
USRE42984E1 (en) | 2011-11-29 |
USRE43602E1 (en) | 2012-08-21 |
USRE46947E1 (en) | 2018-07-10 |
USRE45140E1 (en) | 2014-09-16 |
USRE43171E1 (en) | 2012-02-07 |
USRE44739E1 (en) | 2014-01-28 |
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