Unlock instant, AI-driven research and patent intelligence for your innovation.

Data transmission method and device

A data transmission method and technology of a data transmission device are applied in the field of information security to achieve the effect of improving security

Active Publication Date: 2016-06-01
SHANGHAI FUDAN MICROELECTRONICS GROUP
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem solved by the embodiments of the present invention is to improve the attack resistance during data transmission and reduce the hidden danger of information leakage

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Data transmission method and device
  • Data transmission method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] In order to prevent template attacks, in the process of sending a set of multiple sensitive data to the receiving end, the sender first randomizes the original sort numbers of multiple sensitive data to be transmitted to obtain a randomized transmission sequence, and then according to the randomized The transmission sequence sends multiple pieces of sensitive data to the receiver in sequence. In practical applications, when the number N of data to be transmitted is not equal to an integer power of 2, N is split into multiple powers with base 2, and then the above randomized transmission method is applied to each power. For example, N=27, then N can be split into: N=2 4 +2 3 +2 1 +1 form for 2 4 ,2 3 ,2 1 The above-mentioned randomized transmission methods are adopted respectively. However, the existing methods have a low degree of data randomization and are still vulnerable to template attacks, resulting in information leakage.

[0024] In the embodiment of the p...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a data transmission method and device. The data transmission method comprises the steps of: obtaining N pieces of data to be transmitted, when N is not equal to an integer power of 2, expanding the N pieces of data to be transmitted to M pieces of data, wherein M=2n, and n is an integer; carrying out operation on sequence identifiers of the M pieces of data successively with a n-bit random number r, and successively generating new sequence identifiers of the M pieces of data; sending data including the N pieces of data in sequence according to the generation sequence of the new sequence identifiers of the M pieces of data. By adopting the method and the device, the attack resistance of data transmission is effectively improved, and the information leakage risk is lowered.

Description

technical field [0001] The invention relates to the field of information security, in particular to a data transmission method and device. Background technique [0002] Template attack is a side-channel signal attack method combined with probability and statistics. Template refers to the mathematical abstraction of the power consumption characteristics of sensitive data during transmission. Template attack is actually a process of first establishing a template and then matching the template. [0003] In order to prevent template attacks, in the process of sending a set of multiple sensitive data to the receiving end, the sender first randomizes the original sort numbers of multiple sensitive data to be transmitted to obtain a randomized transmission sequence, and then according to the randomized The transmission sequence sends multiple pieces of sensitive data to the receiver in sequence. The order in which sensitive data is received by the receiving end is the transmission...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04L9/00
Inventor 王立辉张志敏闫守礼郭丽敏刘丹单伟君
Owner SHANGHAI FUDAN MICROELECTRONICS GROUP