![]() ![]() You don't need their "OS" or anything, though you do need a 1-wire master (and they have an FPGA HDL implementation) and a driver of some sort to talk to it. These parts are well documented, publicly. Some of them, especially older ones in iButton formfactor, are battery backed RAM internally, not EEPROM/Flash. They are quite commonly used for copy protection systems and for things like printer consumable tracking/restriction. They have a unique ID (factory set) number on them, but IIRC it's up to the buyer to set the MD5 secret on all of them. These are chips that do MD5 using a pre-programmed secret. ![]() They're available as little chips or in the larger "iButton" format. IIRC, they all have a 1-wire interface, but maybe some are I2C. Are you trying to say that this part has a ton of functionality that's just totally undocumented in the public datasheet? That's possible, I guess.one ARM9 CPU I used a few years ago apparently had a GPS receiver built into it that wasn't even mentioned in the datasheet, but that was apparently because it didn't really work.ĭallas does also have a large lineup of crypto memories. Are you saying it's a clone of a Dallas part? Dallas did make a ton of this sort of thing, so that's possible, I guess. I'm sorry, but what does Dallas (aka Maxim) semiconductor have to do with this? It's an ST part. All I'd need then is an image which I'll assume you took from a running system or similar. I unfortunately don't have a particularly handy way to program one, but if it's REALLY important and you don't mind how long it takes (seriously, these things sometimes take years to bubble up on my priority list), I could rig up a little MCU to read/write one. ![]() If so, that may explain why people are unwilling to trade images of it - not only is it potentially copyrighted, but if it controls access to the game, then the DMCA's anti-circumvention terms could come into play. The Hornet system may have kept an activation key or similar in its NVRAM, but you're not going to get it from Dallas (why would they care?). Konami used them on EVERYTHING in the late 90s, though most devices will self-initialize. FWIW, I have a few of them laying around if someone needs one (though IIRC Mouser stocks them). The part in question is also from ST - not even made by Dallas/Maxim. Master key from Dallas? It's not like these things are crypto devices. ![]()
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