Introducción a la Criptografía Post-Cuántica
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2022
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En este trabajo se trata la importancia de la computación cuántica en la informática, y más en concreto en la ciberseguridad. Para ello, en primer lugar, se realiza una introducción detallada de qué es la criptografía así como los principales algoritmos criptográficos. En segundo lugar, se expone la computación cuántica, comentando sus orígenes, explicando su funcionamiento y enfocándose en aspectos de ciberseguridad así como los principales algoritmos que usa o los ataques más conocidos. Una vez detallados estos conceptos, se centra en las VPNs, más en concreto en WireGuard, del cual se analizan detalladamente sus distintos algoritmos y se proponen cambios para adecuarlo al futuro post-cuántico. Por último también se explica y prueba la aplicación web de laboratorio de análisis de firma digitales, con la que se realizan pruebas entre distintos algoritmos de hash para ver sus distintas características y rendimientos.
In this work we will deal with the importance of quantum computing in computing, and more specifically in cybersecurity. To do this, first, a detailed introduction of what cryptography is as well as the main cryptographic algorithms is made. Secondly, quantum computing is exposed, commenting on its origins, explaining its operation and focusing on cybersecurity aspects as well as the main algorithms it uses or the most well-known attacks. Once these concepts are detailed, it focuses on VPNs, more specifically on WireGuard, of which its different algorithms are analyzed in detail and changes are proposed to adapt it to the post-quantum future. Finally, the digital signature analysis laboratory web application is also explained and tested, with which tests are carried out between different hash algorithms to see their different characteristics and performance.
In this work we will deal with the importance of quantum computing in computing, and more specifically in cybersecurity. To do this, first, a detailed introduction of what cryptography is as well as the main cryptographic algorithms is made. Secondly, quantum computing is exposed, commenting on its origins, explaining its operation and focusing on cybersecurity aspects as well as the main algorithms it uses or the most well-known attacks. Once these concepts are detailed, it focuses on VPNs, more specifically on WireGuard, of which its different algorithms are analyzed in detail and changes are proposed to adapt it to the post-quantum future. Finally, the digital signature analysis laboratory web application is also explained and tested, with which tests are carried out between different hash algorithms to see their different characteristics and performance.
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Trabajo de Fin de Grado en Ingeniería Informática, Facultad de Informática UCM, Departamento de Ingeniería del Software e Inteligencia Artificial, Curso 2021/2022