What does DPA analysis include? Chip authenticity verification

Date：2023-05-18 14:44:02Views：414

Chip DPA analysis is an advanced technology aimed at evaluating the security and key strength of chips. DPA analysis can be carried out by collecting current and power waveforms, analyzing power and current waveforms, verifying analysis results, and changing algorithms or parameters. In this article, we will delve into the key aspects of chip DPA analysis and its importance in chip protection.

Firstly, collecting current and power waveforms is the first step in chip DPA analysis. When running algorithms or keys, the chip consumes energy, which can be collected through current and power waveforms. By collecting current and power waveforms, the differences in corresponding waveforms can be analyzed, and the current and power waveforms during normal operation and attack operation can be compared and distinguished, thereby identifying potential attacks.

Secondly, analyzing power and current waveforms is the next step in chip DPA analysis. By analyzing the power and current waveforms, the number of key bits and other security parameters can be determined. If the number of keys is large enough, then the chip can provide higher security and strength. Therefore, analyzing power and current waveforms is a very useful means to evaluate the security and key strength of chips.

Thirdly, verifying the analysis results is a necessary step in chip DPA analysis, and verifying the analysis results can ensure safety and reliability. The validation analysis results can be compared in various ways, such as comparing the expected operating results with the actual operating results, to ensure the correctness and safety of the chip. After verifying the analysis results, algorithms or parameters can also be changed to improve the security and attack resistance of the chip.

Electronic authenticity identification is also one of the important applications of chip DPA analysis. In the electronics industry, especially in the semiconductor industry, counterfeit and inferior products have always been a serious threat. By using DPA technology, the authenticity of the chip can be identified to determine its authenticity and quality. DPA technology can analyze the signal, timing, power consumption, temperature and other functions of a chip. By analyzing these parameters, the quality and authenticity of the chip can be determined.

Chip DPA analysis is a high-tech activity that requires professional equipment and technology to implement. Our company has a team of professional engineers and industry elites, with three standardized laboratories covering an area of over 1800 square meters. We can undertake various testing projects such as electronic component testing and verification, IC authenticity identification, product design and material selection, failure analysis, functional testing, factory incoming material inspection, and tape weaving.