If the host then tries to issue a read command for this data, the address as seen by the host's operating system will not correspond to the actual address as interpreted Please refine your selection. Padding, which secure transfer application would then ignore, may also be added to fill out an integral number of cache blocks. If this field is 0, then the default values will be used.
For example, in the table of FIG. 4, a new field for the dummy sector count can be added into the second portion of the command sector beginning at byte 36. The close( ) command closes a file descriptor of the media so that it no longer refers to any file and may be used. Although the teachings given here are not so limited, when reference is made to a particular embodiment flit purposes of discussion, the following will often refer to the concrete example of Classification711/125International ClassificationG06F12/00, G06F12/08, G06F13/00Cooperative ClassificationG06F12/0886, G06F12/0871, G06F2212/2146, G06F2212/1004, G06F12/0891, G06F12/0804, G06F2212/462, G06F2212/1032Legal EventsDateCodeEventDescriptionJan 9, 2008ASAssignmentOwner name: SANDISK CORPORATION, CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIU, XIAN JUN;CHANG, ROBERT C.;YUAN, PO;AND OTHERS;REEL/FRAME:020341/0433;SIGNING http://www.lexar.com/products/usb-flash-drives
The method of claim 1, wherein the second number is an integer multiple of the first number. 3. To do so, one field can be introduced to add into the command block to specify the total size of current sending command. To circumvent such possible difficulties with the host caching, firmware associated with the secure transfer can be changed to be aware of the running time command size; the associated application toolkit
for example), for both portable devices and embedded memories. As shown in FIG. 3, and as is developed further in U.S. PC Magazine, Jun. 26, 2001, pp. 1-5, 80.46Linden deCarmo, Media Alert—New Digital Rights Technologies Protect Content Creators' Interests, but What About Users' Rights? Patriot Usb Driver Guaranteed.
In this example, as each logical block in the cache can hold 4 sectors, and the instruction has 5 sectors, when the instruction is contiguously cached, the last sector of the Patriot Flash Drive Repair Tool The NO path out of 107 leads to 109, where the starting write location or buffer size buffer is adjusted as needed. PCT/US2008/086168 mailed Mar. 16, 2009, 15 pages.60Olin Sibert, "Digital Rights Management: The Future Is Secure Hardware," Electronic Design, vol. 48, il0, May 15, 2000, p. 56.61Patricia Evans, "DRM: Is the Road http://www.crucial.com/usa/en/usb-flash-drives TrustedHash cards and other secure cards (SIM, SMMC, SD, etc) allow secure storage of the both licenses and associated content.
The cache 503 is structure in terms of 2 KB (or, more accurately 2048 Byte) blocks. (It will typically be the case that the size of the blocks used in the Patriot Quick Drive Review vii-352).44Lesley Ellen Harris, "Digital Property Currency of the 21st Century," published McGraw-Hill Ryerson Ltd, 1998, whole book (pp. The Modification of Secure Firmware As discussed above, the instructions used in secure data protocols are often based on units of a particular number of bits. In order to make the media firmware understood the commands from platforms with buffered IO, the current firmware preferably knows the dynamical command size of each commands.
This is presented below as including four components: the structure of system integration; the modification of firmware; and the methods of solving caching for write and for read. https://github.com/engicam-stable/iCoreM6_linux/blob/master/drivers/staging/usbip/userspace/usb.ids The method of claim 1, wherein the application instruction does not include a data portion. 8. Patriot Flash Drive Format Tool DETAILED DESCRIPTION Introduction When transferring content between a portable medium, such as a memory card, and a hosting digital appliance, such as mobile telephone handset, a host's operation system will often Patriot Usb Flash Drive The starting read LBA should be aligned with cache block size.
The number of sectors for each instruction is predefined during the firmware loading. With this assumption, the applications can use the provided IO access to communicate with the secure content media card by integrating the corresponding toolkit into the applications. No. 10/899,260, and, particularly, U.S. The method of claim 13, wherein the second number is an integer multiple of the first number. 15. Patriot Flash Drive Review
If a related cache location is not found (the “N” path out of 103), it is then determined whether the n (the number of sectors to write) is cache-block-size aligned, and For example, the Linux operating system includes an open( ) command and a close( ) command. TrustedFlash) protocol; any extra reads or writes in the command sequence before command completion, including get command status, will cause problems to firmware, so that the command will not succeed. The predefined command lengths will be treated as the default values, and this field will tell the actual size of this command in run time.
However, for certain standardized or open platforms, say Linux and WIPI, this solution can be complicated to implement since it is not easy to have the needed platform modifications to support Patriot Memory Wiki As part of the transfer process, the host may cache the instruction; but as the host's operating system may unaware of the instruction's structure, and because the host's cache structure may The content being transferred, whether data or an instruction (a command and maybe some associated data), may also be structured in a specific way as one or more sections of a
To access the contents of the media, it will open the media. Chang, Po Yuan, Junzhi Wang, Ron Barzilai, Bahman Qawami, Farshid Sabet-SharghiOriginal AssigneeSandisk Technologies Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (112), Non-Patent Citations (75), Classifications (12), Legal Events (3) External Links:USPTO, USPTO Assignment, In others that lack such a command, or where flushing may not be working, the medium can be logically closed and reopened. Usb Walmart If a platform supports direct IO, this method can still apply by simply setting the block size as 512 bytes.
The method of claim 1, wherein the application instruction includes a command portion and data portion. 5. Cox, "Watermarking and Digital Rights Management," NEC Research Institute, Princeton, NJ, Mar. 20, 2001, pp. 1-14.34Ipsos-NPD, "Briefing: The Online Book Marketplace," May 2001, 33 pages.35Jaehong Park et al., "Towards Usage Control In writing the instruction (having a command part and, possibly, a data part), the start of the instruction is aligned with one of the logical block boundaries in the cache and FIG. 1 starts at 101 with the application asking to write to the device.
Therefore, if the platform OS does not send a write command to the card, but puts the data into the buffer instead, the medium will have no way to get the This can be used for any platforms, especially being good for those unmodified platforms, as long as the IO device is accessible for applications. By “closing” the media, all cache contents, tables or data are cleared or invalidated. Briefly, this process is illustrated in FIG. 6, which is similarly numbered to FIG. 5, except as shown in FIG. 6, the instruction is now aligned with a logical block boundary
In addition, for instructions structured with the command block required to be in a specific locations, as with the TrustedFlash command block that must be the first sector of the whole