Osmocom icE1usb: Open hardware USB E1/T1 adapter

Re:Osmocom icE1usb: Open hardware USB E1/T1 adapter by FreshFries on Monday December 28, 2020 @03:13AM (#25557595)

Ah Harald still at large! I met him in Austria where he gave a training on OsmocomBB (2010? Found the link [0]) and blew me away with his acquired knowledge of GSM. I worked for a large European mobile provider and it was very uncommon to meet people outside of that bubble to be interested, let alone knowledgeable about the domain.

Mind you, at that time there where hardly or no easy accessible & readable write-ups on the subject. Piles and piles of badly formatted and cryptic worded PDF's had to be obtained, read and understood. He did it.

Remember, this was in the same year Karsten Nohl gave his BlackHat presentation on cracking A5/1. Exciting times :)

[0] https://deepsec.net/docs/Slides/2010/DeepSec_2010_OsmocomBB.... [1] https://srlabs.de/wp-content/uploads/2010/07/100729.Breaking...

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Re:Osmocom icE1usb: Open hardware USB E1/T1 adapter by stas2k on Monday December 28, 2020 @03:42AM (#25557698)

I saw them do A5/1 live cracking on stage in Netherlands. It is amazing what you can do with sheer determination. Learned a lot from their talks on GSM.

USB E1 is holy grail when it comes to E1 interfaces. Before that meant a PCI card, which excluded all laptops and SBCs. And it usually required some pretty specific kernels and modules to be installed.

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Re:Osmocom icE1usb: Open hardware USB E1/T1 adapter by mschuster91 on Monday December 28, 2020 @05:47AM (#25558203)

> which excluded all laptops

There exist Thunderbolt 2 and 3 PCI breakout boxes. Usually they're used for eGPU setups, but they work with pretty much anything.

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