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Method for screening display information

A technology that displays information and is legal, applied in the field of information security to enhance security and avoid duplication of work

Active Publication Date: 2015-04-15
FEITIAN TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, when the USBKEY performs the signature operation and conducts multiple financial interactions, it will display each information on the LCD screen, so that the user will perform multiple unnecessary repeated operations when confirming.

Method used

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  • Method for screening display information
  • Method for screening display information
  • Method for screening display information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Embodiment 1 of the present invention provides a method for screening displayed information, such as figure 1 shown, including:

[0067] Step 101: the device waits to receive instructions sent by the host computer;

[0068] Step 102: the device judges the type of the received instruction;

[0069] If the instruction to be parsed is received, step 103 is performed;

[0070] If the instruction to be signed is received, step 108 is performed;

[0071] If other operation instructions are received, execute step 115;

[0072] Specifically:

[0073] The device judges the type of the command according to the first and second bytes of the command:

[0074] If the first two bytes are 0x002A, it means that the received instruction is an instruction to be parsed;

[0075] If the first two bytes are 0x002B, it means that the received instruction is an instruction to be signed;

[0076] If the first two bytes are other bytecodes, it means that the received instruction is anoth...

Embodiment 2

[0103] Embodiment 2 of the present invention provides a method for screening displayed information, such as figure 2 shown, including:

[0104] Step 201: the device waits to receive an instruction sent by the host computer;

[0105] Step 202: Determine the type of the received instruction;

[0106] If the instruction to be parsed is received, execute step 203;

[0107] If the instruction to be signed is received, execute step 209;

[0108] If other operation instructions are received, execute step 221;

[0109] Specifically:

[0110] The device judges the type of the command according to the first and second bytes of the command:

[0111] If the first two bytes are 0x002A, it means that the received instruction is an instruction to be parsed;

[0112] If the first two bytes are 0x002B, it means that the received instruction is an instruction to be signed;

[0113] If the first two bytes are other bytecodes, it means that the received instruction is another operation in...

Embodiment 3

[0150] Embodiment 3 of the present invention provides a method for screening displayed information, such as image 3 shown, including:

[0151] Step 301: the device waits to receive an instruction sent by the host computer;

[0152] Step 302: Determine the type of the received command;

[0153] If the instruction to be parsed is received, execute step 303;

[0154] If the instruction to be signed is received, step 309 is executed;

[0155] If other operation instructions are received, execute step 321;

[0156] Specifically:

[0157] The first and second bytes of the instruction are the type part of the instruction, and the device determines the instruction type by judging the first two bytes of the received instruction:

[0158] If the first two bytes are 0x002A, it means that the received instruction is an instruction to be parsed;

[0159] If the first two bytes are 0x002B, it means that the received instruction is an instruction to be signed;

[0160] If the first t...

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PUM

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Abstract

The invention discloses a method for screening display information, and belongs to the field of information security. The method includes that when a device is in signature operation, analysis is conducted on a received command, a second analysis numerical value is obtained, and whether the second analysis numerical value is smaller than a preset numerical value or not is judged, if yes, the signature operation is directly carried out, and if no, information is displayed on a liquid crystal display and waits to be conformed through buttons. Through the scheme of the method for screening the display information, multi-time unnecessary and repeatedly operation can be avoided, and safety of the information is improved.

Description

technical field [0001] The invention relates to the field of information security, in particular to a method for screening displayed information. Background technique [0002] With the rapid development of the information industry, the development of information technology has not only brought great convenience to people's lives, but also fundamentally changed people's lifestyles, behaviors and values. It also had a huge and far-reaching impact. [0003] In the prior art, when the USBKEY performs a signature operation and conducts multiple financial interactions, the information will be displayed on the LCD screen each time, so that the user will perform multiple unnecessary repeated operations when confirming. Contents of the invention [0004] The purpose of the present invention is to solve the problems existing in the prior art and provide a method for screening displayed information. [0005] The technical solution adopted by the present invention is: a method for s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L1/00
Inventor 陆舟于华章
Owner FEITIAN TECHNOLOGIES