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Memory device and script-execution control method

A storage device and execution control technology, which is applied in secure communication devices, computer security devices, digital transmission systems, etc., can solve problems such as third party changes, unintentional scripts, and inability to hide source codes

Inactive Publication Date: 2016-06-22
TOSHIBA MEMORY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, since the source code cannot be hidden, it is easy to be changed by a third party
[0004] Therefore, in the conventional SD card with a wireless communication function, there is a problem that the script is changed by a third party and the user executes an unintentional script.

Method used

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  • Memory device and script-execution control method
  • Memory device and script-execution control method
  • Memory device and script-execution control method

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention will be described with reference to the drawings. This embodiment does not limit the present invention.

[0018] figure 1 It is a block diagram showing the storage system 1 of this embodiment. The storage system 1 has a storage device 2 and a host device 3 . The storage device 2 is, for example, an SD card or the like having a wireless communication function. The host device 3 is, for example, a digital camera, a mobile phone, a smartphone, or a computer terminal such as a personal computer.

[0019] The storage device 2 is connected to the host device 3 and receives power supply from the host device 3 . In addition, the storage device 2 executes processing corresponding to access from the host device 3 .

[0020] Such as figure 1 As shown, the storage device 2 includes a host interface (I / F) 21 , a buffer memory 22 and a main control unit 23 . The host interface 21 is an interface for connecting the host device 3...

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PUM

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Abstract

The invention relates to a memory device and a script-execution control method. A memory device according to an embodiment includes a calculator and a storage unit. The calculator encrypts a first script to a first hash key. The storage unit stores therein a second hash key obtained by encrypting a second script. The calculator compares the first hash key with the second hash key in order to control execution of the first script.

Description

technical field [0001] Embodiments of the present invention relate to a storage device and a script execution control method. Background technique [0002] An SD card with a wireless communication function can directly access a cloud website (site) through its own wireless communication function without relying on the wireless communication function of the host device. Such access to the cloud site is executed by the script processing unit of the SD card executing the script stored in the SD card. [0003] Here, scripts have the convenience of not needing to be compiled. On the other hand, since the source code cannot be hidden, it is easy to be changed by a third party. [0004] Therefore, in a conventional SD card having a wireless communication function, there is a problem that a script is changed by a third party and a user executes an unintentional script. Contents of the invention [0005] Embodiments provide a storage device that restricts execution of unintentio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F21/77
CPCG06F21/572H04L9/0897H04L9/3234H04L9/3236
Inventor 伊藤晋朗
Owner TOSHIBA MEMORY CORP