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Implementing Post-quantum Cryptography for Developers

SN Computer Science 2023年第4期4卷 365页

作者： Hekkala, Julius Muurman, Mari Halunen, Kimmo Vallivaara, Visa VTT Technical Research Centre of Finland Kaitoväylä 1 Oulu Finland Faculty of Information Technology and Electrical Engineering University of Oulu Oulu Finland Department of Military Technology National Defence University Helsinki Finland

Widely used public key cryptography is threatened by the development of quantum computers. Post-quantum algorithms have been designed for the purpose of protecting sensitive data against attacks with quantum computers. National Institute of Standards and Technology has recently reached the end of the third round of post-quantum standardization process and has published three digital signatures and one key encapsulation mechanism for standardization. Three of the chosen algorithms are based on lattices. When implementing complex cryptographic algorithms, developers commonly use cryptographic libraries in their solutions to avoid mistakes. However, most of the open-source cryptography libraries do not yet have post-quantum algorithms integrated in them. We chose a C++ cryptography library, Crypto++, and created a fork where we integrated four lattice-based post-quantum algorithms. We analyzed the challenges in the process as well as the performance, correctness and security of the implemented algorithms. The performance of the integrated algorithms was overall good, but the integration process had its challenges, many of which were caused by the mathematical complexity of lattice-based algorithms. Different open-source implementations of post-quantum algorithms will be essential to their easier use for developers. Usability of the implementations is also important to avoid possible mistakes when using the algorithms. © 2023, The Author(s).

关键词： C++ Lattice cryptography Post-quantum cryptography programming library

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pRPL plus pGTIOL: The marriage of a parallel processing library and a parallel I/O library for big raster data

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ENVIRONMENTAL MODELLING & SOFTWARE 2017年 96卷 347-360页

作者： Miao, Jinli Guan, Qingfeng Hu, Shujian China Univ Geosci Sch Informat Engn Wuhan 430074 Hubei Peoples R China China Geol Survey Dev & Res Ctr Beijing 100037 Peoples R China China Univ Geosci Natl Engn Res Ctr GIS Wuhan 430074 Hubei Peoples R China

Data I/O has become a major bottleneck of computational performance of geospatial analysis and modeling. In this study, a parallel GeoTIFF I/O library (pGTIOL) was developed. Through the storage mapping and data arrangement techniques, pGTIOL can operate on files in either strip or tile storage mode, read/write any sub-domain of data within the raster dataset. pGTIOL enables asynchronized I/O, which means a process can read/write its own sub-domains of data when necessary without synchronizing with other processes. pGTIOL was integrated into the parallel raster processing library (pRPL). Several pGTIOL-based data I/O functions and options were added to pRPL, while the existing functions of pRPL stay intact. Experiments showed that the integration of pRPL and pGTIOL achieved higher performance than the original pRPL that uses GDAL as the I/O interface. Therefore, pRPL + pGTIOL enables transparent parallelism for high-performance raster processing with the capability of true parallel I/O of massive raster datasets. (C) 2017 Elsevier Ltd. All rights reserved.

关键词： Raster Parallel computing Parallel I/O programming library

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Artificial Intelligence meets Software Engineering in Computing Education 16

Artificial Intelligence meets Software Engineering in Comput...

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9th Hellenic Conference on Artificial Intelligence (SETN)

作者： Kalles, Dimitris Hellen Open Univ Patras Greece

ISBN: (纸本)9781450337342

In this paper we report on the experience of using artificial intelligence systems as the basis of educating IT students in software engineering practices. These systems have been evolving over nearly a dozen years and the process has been generating a steady stream of graduates, at the undergraduate and postgraduate level, whose dissertations and projects demonstrate the strong interplay of artificial intelligence and software engineering. The AI domains where we have applied a software engineering approach for instruction are focused on decision tree lifecycle management and board game learning mechanisms. Quite as importantly, both approaches have also delivered working research tools.

关键词： programming education programming library object-oriented decision trees reinforcement learning neural networks games

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PandaEPL: A library for programming spatial navigation experiments

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BEHAVIOR RESEARCH METHODS 2013年第4期45卷 1293-1312页

作者： Solway, Alec Miller, Jonathan F. Kahana, Michael J. Princeton Univ Princeton NJ 08544 USA Drexel Univ Philadelphia PA 19104 USA Univ Penn Philadelphia PA 19104 USA

Recent advances in neuroimaging and neural recording techniques have enabled researchers to make significant progress in understanding the neural mechanisms underlying human spatial navigation. Because these techniques generally require participants to remain stationary, computer-generated virtual environments are used. We introduce PandaEPL, a programming library for the Python language designed to simplify the creation of computer-controlled spatial-navigation experiments. PandaEPL is built on top of Panda3D, a modern open-source game engine. It allows users to construct three-dimensional environments that participants can navigate from a first-person perspective. Sound playback and recording and also joystick support are provided through the use of additional optional libraries. PandaEPL also handles many tasks common to all cognitive experiments, including managing configuration files, logging all internal and participant-generated events, and keeping track of the experiment state. We describe how PandaEPL compares with other software for building spatial-navigation experiments and walk the reader through the process of creating a fully functional experiment.

关键词： Experiment creation programming library Spatial navigation Virtual reality Stimulus presentation

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DREAM. 3D: A Digital Representation Environment for the Analysis of Microstructure in 3D

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INTEGRATING MATERIALS AND MANUFACTURING INNOVATION 2014年第1期3卷 56-72页

作者： Groeber, Michael A. Jackson, Michael A. US Air Force Res Lab 2230 Tenth St Wright Patterson AFB OH 45433 USA BlueQuartz Software Springboro OH 45066 USA

This paper presents a software environment for processing, segmenting, quantifying, representing and manipulating digital microstructure data. The paper discusses the approach to building a generalized representation strategy for digital microstructures and the barriers encountered when trying to integrate a set of existing software tools to create an expandable codebase.

关键词： Electron back-scatter diffraction Syntheticmicrostructure HDF5 3D Microstructure reconstruction programming library Open-source

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Expyriment: A Python library for cognitive and neuroscientific experiments

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BEHAVIOR RESEARCH METHODS 2014年第2期46卷 416-428页

作者： Krause, Florian Lindemann, Oliver Radboud Univ Nijmegen Donders Inst Brain Cognit & Behav NL-6525 ED Nijmegen Netherlands Univ Potsdam Div Cognit Sci Potsdam Germany

Expyriment is an open-source and platform-independent lightweight Python library for designing and conducting timing-critical behavioral and neuroimaging experiments. The major goal is to provide a well-structured Python library for script-based experiment development, with a high priority being the readability of the resulting program code. Expyriment has been tested extensively under Linux and Windows and is an all-in-one solution, as it handles stimulus presentation, the recording of input/output events, communication with other devices, and the collection and preprocessing of data. Furthermore, it offers a hierarchical design structure, which allows for an intuitive transition from the experimental design to a running program. It is therefore also suited for students, as well as for experimental psychologists and neuro-scientists with little programming experience.

关键词： Software programming library Python Experimental design Stimulus presentation

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A Quadrocopter Automatic Control Contest as an Example of Interdisciplinary Design Education 14

A Quadrocopter Automatic Control Contest as an Example of In...

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14th International Conference on Control, Automation and Systems (ICCAS)

作者： Nitschke, Christian Minami, Yuki Hiromoto, Masayuki Ohshima, Hiroaki Sato, Takashi Kyoto Univ Dept Intelligence Sci & Technol Kyoto Japan Kyoto Univ Dept Appl Math & Phys Kyoto Japan Kyoto Univ Dept Commun & Comp Engn Kyoto Japan Kyoto Univ Grad Sch Informat Dept Social Informat Kyoto Japan

ISBN: (纸本)9788993215069

Unmanned aerial vehicles (UAVs) have many applications and quickly gain popularity with the availability of low-cost micro aerial vehicles (MAVs). Robotics is a popular interdisciplinary education target as it involves understanding and collaboration of several disciplines. Thus, UAVs can serve as an ideal study platform. However, as robotics requires technical background, skills and initial efforts, it is commonly applied in long-term courses. In this paper we successfully exploit the opposite case of robotics in short-term education for students without background, in form of a one-day contest on automatic visual UAV navigation. We provide an extensive survey, and show that existing material and tools do not fit the task and lack in technical aspects. We introduce a novel open-source programming library that comprises programs to guide learning by experience and allow rapid development. It makes contributions to marker-based tracking, with a novel nested-marker design and accurate calibration parameters estimated from 14 Parrot AR. Drone 2.0 front cameras. We show a detailed discussion of the contest results, which represents an extensive user study regarding robotics in education and the effectiveness of the library. The achievement of a steep learning curve for a complex subject has important implications in interdisciplinary design education, as it allows deep understanding of potentials and limitations to facilitate decision-making, unconventional problem solutions and novel applications.

关键词： interdisciplinary education contest user study unmanned aerial vehicle (UAV) micro aerial vehicle (MAV) quadrocopter visual navigation marker tracking nested marker camera calibration programming library

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A mathematical framework for volume modeling and simulation

A mathematical framework for volume modeling and simulation

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作者： Pelfrey, Brandon Clemson University

学位级别：M.S.

Rendering, modeling, and simulating processes in spatially-varying media are complex tasks which typically require tedious mathematical derivations and long development and programming. In this thesis, a framework is presented which allows for fast and casual exploration of ideas for volume-based simulation and modeling. Several applications of the framework are shown, including the simulation of fluid dynamics for computer graphics applications. A procedure for automatically generating OpenCL code from these is given, along with rudimentary examples.

关键词： Computer Graphics programming library Volume Content Computer Sciences

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Students working for students on programming courses

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COMPUTERS & EDUCATION 2008年第1期50卷 91-97页

作者： Kalles, Dimitrios Hellenic Open Univ Lab Educ Mat & Educ Methodol Patras 26222 Greece Univ Patras Dept Comp Engn & Informat GR-26110 Patras Greece

In this paper we offer a report on a university-level programming laboratory course that has been designed on top of a programming library. The course enforces soft skills, such as code inspection and team working, sharpens implementation skills and creates a bridge between introductory, language-specific instruction and senior-year full-blown programming projects that are usually large but not attending to soft skills. Quite as importantly, it has also delivered a working research tool. (c) 2006 Elsevier Ltd. All rights reserved.

关键词： programming education object-oriented programming library

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MolTalk - a programming library for protein structures and structure analysis

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BMC BIOINFORMATICS 2004年第1期5卷 39-39页

作者： Diemand, AV Scheib, H Univ Lausanne CH-1066 Epalinges Switzerland Swiss Inst Bioinformat CH-1066 Epalinges Switzerland Univ Geneva CH-1211 Geneva 4 Switzerland Ctr Med Univ Geneva Swiss Inst Bioinformat CH-1211 Geneva 4 Switzerland

Background: Two of the mostly unsolved but increasingly urgent problems for modern biologists are a) to quickly and easily analyse protein structures and b) to comprehensively mine the wealth of information, which is distributed along with the 3D co-ordinates by the Protein Data Bank (PDB). Tools which address this issue need to be highly flexible and powerful but at the same time must be freely available and easy to learn. Results: We present MolTalk, an elaborate programming language, which consists of the programming library libmoltalk implemented in Objective-C and the Smalltalk-based interpreter MolTalk. MolTalk combines the advantages of an easy to learn and programmable procedural scripting with the flexibility and power of a full programming language. An overview of currently available applications of MolTalk is given and with PDBChainSaw one such application is described in more detail. PDBChainSaw is a MolTalk-based parser and information extraction utility of PDB files. Weekly updates of the PDB are synchronised with PDBChainSaw and are available for free download from the MolTalk project page http://*** following the link to PDBChainSaw. For each chain in a protein structure, PDBChainSaw extracts the sequence from its coordinates and provides additional information from the PDB-file header section, such as scientific organism, compound name, and EC code. Conclusion: MolTalk provides a rich set of methods to analyse and even modify experimentally determined or modelled protein structures. These methods vary in complexity and are thus suitable for beginners and advanced programmers alike. We envision MolTalk to be most valuable in the following applications:

关键词： Protein Data Bank Class Diagram programming library Protein Data Bank File Protein Data Bank Structure

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