To meet society’s needs for undergraduate students to have engineering skills and to develop students’ability to operate Linux and engage in network software development,this paper proposes the construction of a new...To meet society’s needs for undergraduate students to have engineering skills and to develop students’ability to operate Linux and engage in network software development,this paper proposes the construction of a new specialized course for network engineering major--Linux system and network programming.This paper analyzes the course’s advantages,presents the contents of this course,designs a series of teaching methods aimed at improving students’engineering ability,proposes a course assessment method that will encourage students to practice,lists the development requirements for an examination software designed for this course,and finally,presents the results of our practice in teaching this course.展开更多
With the development of embedded system, GUI becomes more and more important.As one of the most popular embedded GUI, MiniGUI became to be a key in researching the embedded GUI. This article firstly introduced embedde...With the development of embedded system, GUI becomes more and more important.As one of the most popular embedded GUI, MiniGUI became to be a key in researching the embedded GUI. This article firstly introduced embedded Linux system, processor ARM ,and S3C2410.Then, it analyses structures and primary predominances of MiniGUI. Finally, the transplantation of MiniGUI1.6.x based on $3C2410 is described in this paper.展开更多
Unpredictable and irreproducible digital keys are required to modulate security-related information in secure communication systems.True random number generators(TRNGs)rather than pseudorandom number generators(PRNGs)...Unpredictable and irreproducible digital keys are required to modulate security-related information in secure communication systems.True random number generators(TRNGs)rather than pseudorandom number generators(PRNGs)are required for the highest level of security.TRNG is a significant component in the digital security realm for extracting unpredictable binary bitstreams.Presently,most TRNGs extract high-quality“noise”from unpredictable physical random phenomena.Thus,these applications must be equipped with external hardware for collecting entropy and converting them into a random digital sequence.This study introduces a lightweight and efficient true random number generator(LETRNG)that uses the inherent randomness of a central processing unit(CPU)and an operating system(OS)as the source of entropy.We then utilize a lightweight post-processing method based on XOR and fair coin operation to generate an unbiased random binary sequence.Evaluations based on two famous test suites(NIST and ENT)show that LETRNG is perfectly capable of generating high-quality random numbers suitable for various GNU/Linux systems.展开更多
基金supported by the Teaching Research and Reform Project of Qingdao University of Technology under Grant 2024-10335040。
文摘To meet society’s needs for undergraduate students to have engineering skills and to develop students’ability to operate Linux and engage in network software development,this paper proposes the construction of a new specialized course for network engineering major--Linux system and network programming.This paper analyzes the course’s advantages,presents the contents of this course,designs a series of teaching methods aimed at improving students’engineering ability,proposes a course assessment method that will encourage students to practice,lists the development requirements for an examination software designed for this course,and finally,presents the results of our practice in teaching this course.
文摘With the development of embedded system, GUI becomes more and more important.As one of the most popular embedded GUI, MiniGUI became to be a key in researching the embedded GUI. This article firstly introduced embedded Linux system, processor ARM ,and S3C2410.Then, it analyses structures and primary predominances of MiniGUI. Finally, the transplantation of MiniGUI1.6.x based on $3C2410 is described in this paper.
基金This work was partially supported by National Key R&D Program of China(No.2020YFC0832500)Fundamental Research Funds for the Central Universities(Nos.lzujbky-2021-sp47,lzujbky-2020-sp02,lzujbky-2019-kb51,and lzujbky2018-k12)the National Natural Science Foundation of China(No.61402210).We also gratefully acknowledge the support of NVIDIA Corporation with the donation of the Jetson-TX1 used for this research.
文摘Unpredictable and irreproducible digital keys are required to modulate security-related information in secure communication systems.True random number generators(TRNGs)rather than pseudorandom number generators(PRNGs)are required for the highest level of security.TRNG is a significant component in the digital security realm for extracting unpredictable binary bitstreams.Presently,most TRNGs extract high-quality“noise”from unpredictable physical random phenomena.Thus,these applications must be equipped with external hardware for collecting entropy and converting them into a random digital sequence.This study introduces a lightweight and efficient true random number generator(LETRNG)that uses the inherent randomness of a central processing unit(CPU)and an operating system(OS)as the source of entropy.We then utilize a lightweight post-processing method based on XOR and fair coin operation to generate an unbiased random binary sequence.Evaluations based on two famous test suites(NIST and ENT)show that LETRNG is perfectly capable of generating high-quality random numbers suitable for various GNU/Linux systems.
