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System and method for protecting data

A data and protected technology, applied in memory systems, digital data protection, electrical digital data processing, etc., can solve problems such as unrestricted access to data, non-possession, unrealistic complex interaction, etc.

Active Publication Date: 2014-09-17
NVIDIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not practical to use security software to implement the various algorithms and complex interactions that might be expected with operating system software
Because the content provider has no control over what the software does, and such software is vulnerable to attack or corruption, unrestricted access to protected data cannot be made against it

Method used

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  • System and method for protecting data
  • System and method for protecting data

Examples

Experimental program
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Embodiment Construction

[0011] figure 1 A method 100 for securing data according to one embodiment is shown. As shown, a request to read data from memory is received. See operation 102. Also, it is determined whether data is stored in a predetermined portion of the memory. See operation 104 . If it is determined that the data is stored in the predetermined portion of the memory, the data and the protection signal are returned for use in protecting the data. See operation 106.

[0012] Memory may include any type of memory. For example, in various embodiments, the memory may include, but not limited to, one or more of the following: flash memory (such as NOR flash memory, NAND flash memory, etc.), random access memory (such as RAM, SRAM, DRAM, SDRAM, eDRAM , Embedded DRAM, MRAM, ST-MRAM, STT-MRAM, PRAM, PCRAM, etc.), Phase Change Memory, FeRAM, FRAM, PRAM, MRAM, Solid State Disk (SSD) and / or any other type of memory.

[0013] Additionally, in one embodiment, the memory may include dynamic rando...

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PUM

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Abstract

A system and method are provided for protecting data. In operation, a request to read data from memory is received. Additionally, it is determined whether the data is stored in a predetermined portion of the memory. If it is determined that the data is stored in the predetermined portion of the memory, the data and a protect signal are returned for use in protecting the data. In certain embodiments of the invention, data stored in the predetermined portion of the memory may be further processed and written hack to the predetermined portion of the memory. In other embodiments of the invention, such processing may involve unprotected data stored outside the predetermined portion of the memory.

Description

technical field [0001] The present invention relates to data protection, and more particularly, to protected memory regions. Background technique [0002] Computer systems are frequently used to view or display media and other data that must be protected from copying and other unauthorized access. Traditionally, computer systems have kept protected data secure through encryption. However, in order to view or display the data, it must be decrypted and may require additional processing. Decrypted data is vulnerable to copying and other unauthorized access of system equipment or software. Certain prior art systems restrict access to designated portions of memory to keep clients (eg, displays) secure. However, advanced algorithms for decoding, synthesis or other processing of protected data require access to multiple devices, some of which may be programmable or capable of copying data. It is expected that user applications, operating system vendors, and third-party software...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/78
CPCG06F21/60G06F21/85G06F12/1458G06F12/14G06F21/6218G06F21/78G06F12/1441
Inventor 杰伊·基肖尔·古普塔杰·S·黄史蒂文·E·莫尔纳帕塔萨拉蒂·西拉姆詹姆士·勒罗伊·德明
Owner NVIDIA CORP