{"id":7039,"date":"2024-05-21T11:04:15","date_gmt":"2024-05-21T09:04:15","guid":{"rendered":"https:\/\/sanctuary.dev\/blog\/join-sanctuary-at-space-tech-expo-europe-and-sps-trade-fair-innovating-cybersecurity-in-space-and-beyond-2\/"},"modified":"2024-09-03T11:45:57","modified_gmt":"2024-09-03T09:45:57","slug":"sanctuary-secures-esa-tender-for-developing-space-specific-public-key-infrastructure","status":"publish","type":"post","link":"https:\/\/sanctuary.dev\/de\/blog\/sanctuary-secures-esa-tender-for-developing-space-specific-public-key-infrastructure\/","title":{"rendered":"Next-Generation Public Key Infrastructure for Space"},"content":{"rendered":"
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SANCTUARY hat im Rahmen einer Ausschreibung der Europ\u00e4ischen Weltraumorganisation (ESA) den Zuschlag f\u00fcr die Entwicklung einer \u201eskalierbaren Public-Key-Infrastruktur f\u00fcr sichere Kommunikation in gro\u00dfen Konstellationen\u201c erhalten. Dieses Projekt befasst sich mit dem kritischen Bedarf an sicherer Kommunikation zwischen Raumfahrzeugen, eine Anforderung, die immer komplexer wird, je mehr Satelliten und Raumfahrzeuge die Erdumlaufbahn und dar\u00fcber hinaus bev\u00f6lkern.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Der Schwerpunkt dieses bahnbrechenden Projekts liegt auf der Verteilung von kryptografischen Zertifikaten und ihrem Widerrufsstatus (um zu pr\u00fcfen, ob ein Zertifikat noch g\u00fcltig ist), \u00e4hnlich wie dies im Internet zur Sicherung der Kommunikation geschieht. Diese Zertifikate sind unerl\u00e4sslich, um die Identit\u00e4t der Kommunikationspartner zu \u00fcberpr\u00fcfen und sicherzustellen, dass die Daten w\u00e4hrend der \u00dcbertragung privat und unverf\u00e4lscht bleiben. Die Anwendung der Erkenntnisse aus dem Internet auf die Weltraumumgebung bringt jedoch erhebliche Herausforderungen mit sich, insbesondere bei der Validierung dieser Zertifikate.<\/p>

Auf der Erde ist die Pflege einer aktuellen Liste abgelaufener Zertifikate eine einfache Aufgabe, die durch zuverl\u00e4ssige und kontinuierliche Internetverbindungen mit hoher Bandbreite unterst\u00fctzt wird. Im Weltraum stellt sich die Situation jedoch ganz anders dar. Bei Raumfahrzeugen kann es aus verschiedenen Gr\u00fcnden zu Netzwerkunterbrechungen kommen, z. B. wenn sie vor\u00fcbergehend hinter einem Planeten versteckt sind, was zu m\u00f6glichen Verz\u00f6gerungen oder Ausf\u00e4llen bei der Zertifikatsvalidierung f\u00fchrt. Diese Unterbrechungen erschweren den Prozess der sicheren Kommunikation und erh\u00f6hen die Anforderungen an die Entwicklung einer L\u00f6sung, die sowohl zuverl\u00e4ssig als auch widerstandsf\u00e4hig gegen\u00fcber den einzigartigen Bedingungen im Weltraum ist.<\/p>

Public-Key-Infrastrukturen (PKI) sind eine grundlegende Technologie f\u00fcr den Aufbau sicherer Netze. Sie erm\u00f6glichen eine sichere Kommunikation zwischen Einheiten, die von verschiedenen Akteuren betrieben werden, selbst wenn zuvor keine Geheimnisse ausgetauscht wurden. PKIs bilden auch die Grundlage f\u00fcr die gegenseitige Authentifizierung, da sie es Einrichtungen wie Satelliten erm\u00f6glichen, die Identit\u00e4t der jeweils anderen direkt zu \u00fcberpr\u00fcfen. Dies ist in Szenarien wie der Satellit-zu-Satellit- oder Boden-zu-Satellit-Kommunikation von entscheidender Bedeutung, da hier schnell und zuverl\u00e4ssig Vertrauen aufgebaut werden muss. Trotz seiner Bedeutung gibt es derzeit kein PKI-System, das speziell auf die Herausforderungen des Weltraums zugeschnitten ist. Das Projekt zielt darauf ab, diese kritische L\u00fccke durch die Entwicklung einer PKI speziell f\u00fcr gro\u00dfe Konstellationen von Raumfahrzeugen zu schlie\u00dfen.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Eine der wichtigsten Herausforderungen, die wir als SANCTUARY bew\u00e4ltigen m\u00fcssen, ist die Notwendigkeit, dass die PKI die f\u00fcr den Weltraumbetrieb typischen Verz\u00f6gerungen und Unterbrechungen der Konnektivit\u00e4t toleriert. Raumfahrzeuge arbeiten oft mit unterschiedlichen Rechenleistungen, von hochentwickelten Systemen bis hin zu solchen mit minimalen Verarbeitungsm\u00f6glichkeiten. Die PKI-L\u00f6sung muss flexibel und robust genug sein, um dieses breite Spektrum von Rechenumgebungen zu unterst\u00fctzen und sicherzustellen, dass auch Raumfahrzeuge mit begrenzter Rechenleistung sicher am Netz teilnehmen k\u00f6nnen.<\/p>

Ein weiterer wichtiger Aspekt des Projekts ist die effiziente Verwaltung mehrerer unabh\u00e4ngiger Zertifizierungsstellen. Im Weltraum k\u00f6nnen verschiedene Raumfahrzeuge und Satelliten von unterschiedlichen Stellen betrieben werden, die jeweils ihre eigene Zertifizierungsstelle haben. Die effiziente Verwaltung dieser verschiedenen Stellen bei gleichzeitiger Wahrung der Gesamtintegrit\u00e4t und Vertrauensw\u00fcrdigkeit des Netzes ist eine komplexe, aber notwendige Aufgabe.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Au\u00dferdem muss die PKI angesichts der Fortschritte im Quantencomputing sowohl die herk\u00f6mmliche als auch die Post-Quanten-Kryptografie integrieren. Diese Integration ist von entscheidender Bedeutung, um zu gew\u00e4hrleisten, dass die Infrastruktur sowohl gegen aktuelle als auch gegen k\u00fcnftige kryptografische Bedrohungen sicher bleibt und eine langfristige L\u00f6sung f\u00fcr eine sichere Weltraumkommunikation bietet.<\/p>

Schlie\u00dflich muss die PKI redundant ausgelegt sein, um einzelne Fehlerquellen auszuschlie\u00dfen. In einem Weltraumnetzwerk sollte der Ausfall eines einzelnen Knotens nicht die Sicherheit oder Funktionalit\u00e4t des gesamten Systems gef\u00e4hrden. Durch den Einbau von Redundanz in den PKI-Entwurf will SANCTUARY eine widerstandsf\u00e4hige und vertrauensw\u00fcrdige Infrastruktur schaffen, die den harten Bedingungen im Weltraum standh\u00e4lt und gleichzeitig robuste Sicherheitsgarantien bietet.<\/p>

Die SANCTUARY Systems GmbH ist der exklusive Auftragnehmer f\u00fcr diese Aktivit\u00e4t, die im M\u00e4rz 2024 begann und voraussichtlich im April 2025 enden wird.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

SANCTUARY Secures ESA Tender for Developing Space-Specific Public Key Infrastructure.<\/p>","protected":false},"author":12,"featured_media":7046,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-7039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\nNext-Generation Public Key Infrastructure for Space - SANCTUARY<\/title>\n<meta name=\"description\" content=\"SANCTUARY Secures European Space Agency Tender for Developing Space-Specific Public Key Infrastructure Over the Next 14 Months.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sanctuary.dev\/de\/blog\/sanctuary-secures-esa-tender-for-developing-space-specific-public-key-infrastructure\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Next-Generation Public Key Infrastructure for Space - 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