ewpratten

5 ms·

1.
Installing Tailscale on the Ableton Move(ewpratten.com)
1 points by ewpratten 4mo ago|0 comments
2.
by ewpratten 8mo ago
I’m doing that (similar scale and same language) with a base model M4 mini. Works great. Anything more is overkill imo.
3.
by ewpratten 8mo ago
I completely agree with you. In my opinion, using GPS as Stratum 0 feels like a cheat. I do hope to some day (definitely not any time soon) own an atomic clock of some kind though. Regarding PPS, the L76B does this cheaty thing where it act
4.
"We have stratum zero at home"(ewpratten.com)
7 points by ewpratten 8mo ago|2 comments
5.
Authenticating SSH Sessions with Secure Enclave(ewpratten.com)
2 points by ewpratten 9mo ago|1 comments
6.
by ewpratten 9mo ago
Regarding the Cloudflare part of this, I’d recommend taking a look at “Authenticated Origin Pulls”. It lets you perform your validation at the TLS layer instead of doing it with IP ACLs if that interests you.
7.
Fuzix on a Raspberry Pi Pico(ewpratten.com)
111 points by ewpratten 9mo ago|14 comments
8.
My snapshot-only Minecraft server(ewpratten.com)
1 points by ewpratten 10mo ago|0 comments
9.
Preliminary Thoughts on the Jujutsu VCS(ewpratten.com)
2 points by ewpratten 1y ago|0 comments
10.
by ewpratten 1y ago
You should probably be looking at the Cargo.toml file(s) (for direct dependencies at least) instead of the lock file as the lock file will include dependencies used for dev/testing.
11.
Learning (The Basics of) Nftables(ewpratten.com)
8 points by ewpratten 1y ago|0 comments
12.
by ewpratten 1y ago
It’s automated in the kind of way that makes a lot of sense to people familiar with the internal HR systems.
13.
Implantable SSH Credentials(ewpratten.com)
1 points by ewpratten 2y ago|0 comments
14.
by ewpratten 2y ago
Think of it like a subset of MIFARE. In a simple sense, NTAG cards can do NFC things, but MIFARE can do lots more (access control for example)..and also NFC things..somewhat. Magic mifare refers to special cards that let you bypass the writ
15.
by ewpratten 2y ago
All my knowledge is trial & error. I've found the people over in the DT forum are pretty helpful with the cloning and usage aspect of things: https://forum.dangerousthings.com Additionally, Iceman's Discord people
16.
by ewpratten 2y ago
Are you sure? The NFC app for iPhone can always read tags. Its specifically getting phones without the app to read them. Try wiping, then writing a URL from Android. Then just tap to the iPhone and see if Safari opens or not. It shouldn&#
17.
by ewpratten 2y ago
There's lots of info about the NDEF "packet" format online. I used this page as reference when I was putting together the "magic bytes" in the final section of the blog post: https://www.oreilly.com&#x2F
18.
by ewpratten 2y ago
Thank you very much! Something's clearly up there. You can see that even IOS and Android disagree with each other on what NDEF should look like by a few bytes. Very interesting.
19.
by ewpratten 2y ago
Wipe the card. Make a dump after doing "hf mf ndefformat". Then make a dump after writing a payload from an iPhone. (since iPhone seems to want ndefformat anyways) Then wipe again and make a dump after writing from Android.
20.
by ewpratten 2y ago
Ya, looks like the iPhone is tinkering with the NDEF message itself. If my Android phone wasn't dead, I'd love to compare an iPhone's write against the Android NFC Tools app's write. If anyone else has an iPhone, an Andr
21.
by ewpratten 2y ago
There's approx 4 generations of "Magic". Gen 1, 1a, 3 and 4 all use special commands to unlock and edit block 0. Gen 2 treats block 0 as always being r/w. This allows Android phones to directly write to it (but also make
22.
by ewpratten 2y ago
Proxmark's "auto" command should get you most of the way to knowing. Then check if any of the "hf mf c*" commands work on it (in which case, you have a gen1a magic card)
23.
by ewpratten 2y ago
HN formatting is going to do bad things here.. Here's the first 6 blocks of the card after I ran through the instructions of the post, then a ndefformat-only card (that never touched an iphone). [=] 0 | 0 | 00 56 78 BB 95 08 04 00
24.
by ewpratten 2y ago
Hm, its definitely blocks 0-2. All remaining blocks after that are identical. Going to look further at the actual data in the first 3 blocks momentarily.
25.
by ewpratten 2y ago
My quick eye-skim didn't see much, but I'll do a byte-for-byte diff. I imagine its a difference in the NDEF headers? (but even that doesn't make sense, since I wrote the headers again from the pm3)
26.
by ewpratten 2y ago
(glances at chip on my desk) ..yes. Hopefully getting that installed later this week :)
27.
by ewpratten 2y ago
Ya, I have no clue tbh. This is one of those cases where I know I really should investigate further, but I'm taking this one step at a time. Perhaps digging in to the "why" will become a follow-up post
28.
by ewpratten 2y ago
Ah, we did the under-the-table thing with NFC stickers in school! Love rickrolling a well-placed phone on a classroom desk lol. I'm personally not a huge fan of needing to use NFC tags in the real world (parking meters use them for pay
29.
by ewpratten 2y ago
Many of my cards are just repurposed from other things. Lots of hotel keycards can be rewritten to open URLs on phones for example. I actually have a hotel keycard taped to my washing machine to do some laundry-based automation with my phon
30.
Coercing a Magic MIFARE credential into being an iPhone-compatible NFC tag(ewpratten.com)
92 points by ewpratten 2y ago|67 comments

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