Quantenkryptographie auf Open Source Basis (glt25)

Chaos Computer Club - recent events feed (low quality)

Chaos Computer Club - recent events feed (low quality)

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הוסף לפני seven שנים

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Lost Cultures: Living Legacies

1
Bermuda: The Crossroads of the Atlantic 51:57

לפני 23 ימים51:57

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אהבתי

51:57

On the Season 2 debut of Lost Cultures: Living Legacies , we travel to Bermuda, an Atlantic island whose history spans centuries and continents. Once uninhabited, Bermuda became a vital stop in transatlantic trade, a maritime stronghold, and a cultural crossroads shaped by African, European, Caribbean, and Native American influences. Guests Dr. Kristy Warren and Dr. Edward Harris trace its transformation from an uninhabited island to a strategic outpost shaped by shipwrecks, colonization, the transatlantic slave trade, and the rise and fall of empires. Plus, former Director of Tourism Gary Phillips shares the story of the Gombey tradition, a vibrant performance art rooted in resistance, migration, and cultural fusion. Together, they reveal how Bermuda’s layered past continues to shape its people, culture, and identity today. You can also find us online at ⁠travelandleisure.com/lostcultures Learn more about your ad choices. Visit podcastchoices.com/adchoices…

לפני שנה 15:44

MP4•בית הפרקים

Quantenkryptographie ist wichtig, weil Quantencomputer in etwa zehn Jahren die derzeitigen Verschlüsselungsmethoden brechen werden. Neben den PQC-Ansatz bietet auch QKD (Quantum Key Distribution) eine Lösung, indem es quantenmechanische Effekte wie z.B. verschränkte Photonen verwendet, um sichere Schlüssel für symmetrische Verschlüsselung ohne Schlüsselaustausch zu erzeugen. Vorstellung eines Use-case welcher Cancom im Zuge eines Europäischen Forschungsprojekt (QCI-CAT) geleitet vom AIT umgesetzt hat. In diesem Projekt wurde ein fehlendes Puzzlestück auf Opensource Basis entwickelt, das Resultat "Arnika" - Quantenresistentes VPN basierend auf Wireguard. Arnika kann über eine ETSI014 Schnittstelle Schlüsselmaterial von einem QKD (Quantum Key Distribution) System abrufen und in Wireguard VPN als pre-shared Key injecten. Zusätzlich kann es Schlüsselmaterial von einem PQC System zb. Rosenpass verwenden und via HKDF eine Kombination aus QKD und PQC Schlüssel an Wireguard VPN als PSK weitergeben. Quantenkryptographie ist wichtig, weil Quantencomputer in etwa zehn Jahren die derzeitigen Verschlüsselungsmethoden brechen werden. Neben den PQC-Ansatz bietet auch QKD (Quantum Key Distribution) eine Lösung, indem es quantenmechanische Effekte wie z.B. verschränkte Photonen verwendet, um sichere Schlüssel für symmetrische Verschlüsselung ohne Schlüsselaustausch zu erzeugen. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.linuxtage.at/glt25/talk/7XUMLX/

1540 פרקים

#Technologie #CCC media team #Ccc Congress Hacking Security Netzpolitik #Video

Chaos Computer Club - recent events feed (low quality)

Quantenkryptographie auf Open Source Basis (glt25)

Chaos Computer Club - recent events feed (low quality)

28 subscribers

published לפני שנה

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MP4•בית הפרקים

1540 פרקים

#Technologie #CCC media team #Ccc Congress Hacking Security Netzpolitik #Video

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Chaos Computer Club - recent events feed (low quality)

1
QWERTZ (jh25) 8:51

לפני 5 ימים8:51

8:51

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
KIR - Künstliche Intelligenz gestützter Roboter (jh25) 9:36

לפני 5 ימים9:36

9:36

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Schrödingers Katze (jh25) 8:43

לפני 5 ימים8:43

8:43

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Piter (jh25) 8:03

לפני 5 ימים8:03

8:03

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Walking through Art (jh25) 11:08

לפני 5 ימים11:08

11:08

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Music Crowd (jh25) 6:42

לפני 5 ימים6:42

6:42

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
StellarTale (jh25) 7:16

לפני 5 ימים7:16

7:16

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Thermoerde (jh25) 7:37

לפני 5 ימים7:37

7:37

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Orientierungssensor (jh25) 4:50

לפני 5 ימים4:50

4:50

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Brick Home (jh25) 3:57

לפני 5 ימים3:57

3:57

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
What the Flag (jh25) 4:01

לפני 5 ימים4:01

4:01

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

Chaos Computer Club - recent events feed (low quality)

1
Closing session (lgm2025) 34:49

לפני 13 ימים34:49

34:49

Goodbye. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/1063027656/

Chaos Computer Club - recent events feed (low quality)

1
Ink/Stitch (lgm2025) 28:39

לפני 13 ימים28:39

28:39

Machine embroidery is becoming increasingly popular. It is more durable than other customization methods for textiles and it adds a whole new artistic dimension to the design. What makes it so beautiful, also adds a new layer of complexity to the machine embroidery design creation process. In this brief introduction we will learn a few basic essentials on how to create machine embroidery designs using the Open Source vector graphic software Inkscape along with the Ink/Stitch extension. ## Links * [Ink/Stitch](https://inkstitch.org/) * [Inkscape](https://inkscape.org/) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/2052117469/…

Chaos Computer Club - recent events feed (low quality)

1
How to Run a Film Festival on Libre Graphics (lgm2025) 22:24

לפני 13 ימים22:24

22:24

Organising a film festival is 90% communication. The FOSS and Libre Graphics toolbox is well-equipped for this. However, for many of the tasks that a festival entails (video formats, subtitles), we needed to dig a little deeper. Hear about the challenges we faced and the solutions we came up with! ## Links * [website: LusOFest](https://www.lusofest.de) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/2743934851/…

Chaos Computer Club - recent events feed (low quality)

1
Printing Maps with Spot Colors (lgm2025) 31:20

לפני 13 ימים31:20

31:20

… using Qgis and Scribus with a little help from Inkscape, and Ghostscript. ### A happy-ending story about finding out the tips and tricks along the way. Last November, we've been comissioned to produce a small series of printed maps for a cultural center in Lessines, Belgium, to celebrate memories of Louis Scutenaire and René Magritte. We aimed for a project using three colors, and decided to go for spot color printing - using libre graphics tools, mainly QGIS for the design of the map, and Scribus for layout elements and to prepare the pdfs for printing. We also used Inkscape to vectorize some small illustrations, as well as Ghostscript to check and sometimes fix the resulting PDFs. Then, once we decided that it would be spot color printing, we had to find out a workflow from QGIS to Scribus in order to produce PDFs for spot-color printing. It was not without a few obstacles that we encountered, as both QGIS and Scribus present limitations in terms of color processing or vector rendering. We will present our productive investigation into both QGIS and Scribus, describe how we use QGIS functionalities to optimize the maps for spot color printing and show the tips and tricks we learned along the way - and share the results, hoping to inspire other mapmakers around to give it a try. ![A](https://libregraphicsmeeting.org/2025/img/events/printing_maps_with_spot_colors-feYCQ39ktaCeaGSR.png) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/1308567759/…

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Quantenkryptographie auf Open Source Basis (glt25)