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New DIY Implant |
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Joined: 22 October 2011 Location: USA Status: Offline Points: 10 |
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Topic: New DIY ImplantPosted: 22 October 2011 at 2:57pm |
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I came across RFID implantation a few months ago on this forum and on various YouTube videos and I instantly knew I had to do it. As a network administrator for a rather large company, I need to enter credentials into multiple servers many times per hour and there's always been the trade off between a secure password and one that's easy to enter rapidly. Fingerprint readers have always been too slow, so I decided about 2 months ago I was going to do this after I did some research. The tag is a Philips HiTag S (2048 bit) that I got from Brett's store (www.sleepallday.org). I was slightly disappointed that it was not the same frequency as the proximity access badging system at my job, but I'm rather happy with the results nonetheless. I purchased a Parallax USB reader from Trossen Robotics and had a challenge finding a Windows 7 credential provider to work with it, so I had to modify one written by Tyler Menezes (I can post seperate details of my challenges and work here). Once I got my reader and tag successfully logging me in, unlocking my workstation, and logging me into RDP and Kerberos credential prompts, I was ready to put it in my hand. Unfortunately the store that sold Amal the SUD injector no longer seems to sell these, and I had a hell of a time actually finding one. I wound up getting the HomeAgain pet tracking kit off of Amazon for about $15. It uncludes a SUD pre-packaged with a 134.2 KHz chip (the HiTag is 125 KHz). I was unsure about how much this would hurt, so I went on a scavanger hunt finding a strong topical anesthetic, finally settling on an 8% Lidocaine, 5% Prilocaine creame from eBay made for piercing shops. I wouldn't advise anyone bother with this because it really didn't hurt at all, in fact I was extremely surprised how little I felt. I don't have access to an autoclave, and boiling without pressure to sterilize requires much higher temperatures than autoclaving (which are already way above the specified operating temperatures), so I opted to soak my tag in a solution of 4 parts chlorine bleach to 1 part distilled water for an hour. I took the tag out of the bleach and wiped it down with a sterile isopropyl alcohol swab and then let it air dry for about a minute (isopropyl evaporates rather quickly at room temperature). I placed the tag into the already-sterile SUD injector and injected it. I'd say one thing to be aware of if you plan on doing this is that it does require a bit of pressure to pierce the lower layers of skin and you want to make sure you hold back because once you go through, theres no resistance and you don't want to slip and go farther than you need to. In the pet-implanting instructions that came with the SUD, it suggests pushing in until the skin touches the plastic part of the injector, so I did (causing the tag to wind up about an inch to the left of the injection point), and then I injected it rather painlessly, and held gauze at the injection point as I pulled the injector out. I was relieved to see that there was no bleeding other than a drop or two (I was terrified of hitting a blood vessle, or worse -- injecting the tag into one). It's been two days and the injection point is healing very well. There is some very slight bruising where the needle went through the lower layer of skin to the left of this point, but I believe that's normal. I'm rather chubby so I can't feel the tag in there but there is a spot that's slightly sore under the skin near the bruising, which is where I assume the tag is. I've been reading the tag rather compulsively since it was injected because I'm curious to see how much it can migrate. If anyone has any information about how far this thing could migrate, i'd be interested. I doubt it could migrate past my wrist or anything, but I'm not familiar with subdermal anatomy so I'm not sure. I record high def footage of the injection and will be posting it within the next few days if anyone is interested.
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amal
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Joined: 22 November 2005 Location: United States Status: Offline Points: 2062 |
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Posted: 22 October 2011 at 3:27pm |
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Hi there crossbar and welcome to the forum!
Thanks for the thorough post. Did the HITAG from Brett's store come pre-programmed to emulate an EM4102 or did you do that yourself? How well does your HITAG work with the Phidgets reader? I wrote a Win7 cred provider project for the RedBee kit and due to the terms of that agreement I can not distribute the code for that kit, so any code you could post for your Win7 cred provider would be fantastic. If you have a Facebook account, feel free to make a request to join the RFIDIY group.
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Amal ;)
www.amal.net |
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amal
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Joined: 22 November 2005 Location: United States Status: Offline Points: 2062 |
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Posted: 22 October 2011 at 4:02pm |
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Oh, I forgot to mention migration. I've had both of mine since 2005 and, because they are trapped between the spongy dermis and the under-flesh, they haven't moved a millimeter. If you put one deep into muscle tissue (like the VeriChip) or ligament cavities (some animal implants), then it would likely move around due to the nature of the tissue and how it behaves as you move.
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Amal ;)
www.amal.net |
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Joined: 22 October 2011 Location: USA Status: Offline Points: 10 |
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Posted: 22 October 2011 at 5:22pm |
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The HiTag was in emulation mode by default. I have yet to locate a reader/writer that will write to the encrypted pages in the HiTag -- let me know if you know of any. I only have the parallax reader right now and it works very well. It can pick up the tag about an inch from my skin and I love the red/green LED on it -- because of the credential provider, it turns red when my computers are locked, and green after i use the implant to unlock the computer. Im not familiar with any of the other readers, but the parallax read just emulates a serial-over-USB COM port and you connect to it on 2400 baud (which causes the LED to go red), and then each time it reads a tag, it spits out an 0x0A, the tag ID in ascii-encoded-hex, and then an 0x0D. From what I gather from the code I've modified, most other readers seem to use 9600 baud and different start/end characters. Ill make a seperate post with credprovider info as soon as I have a chance.
Also I can't seem to find the RFIDIY group using FB search, can you provide a link?
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amal
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Joined: 22 November 2005 Location: United States Status: Offline Points: 2062 |
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Posted: 22 October 2011 at 5:41pm |
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Ahh you have a Parallax reader. That makes more sense... I read it as Phidgets and immediately thought it would get crap range with a 134KHz HITAG. The cred provider I wrote for the RedBee Kit works perf with the Parallax reader too (with some config tricks), that's why I was very curious to see a cred prov that implements the Phidgets library. Still though, it will be interesting to get a look at the code.
Can you see the FB group if you go here; http://www.facebook.com/groups/rfidiy/
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Amal ;)
www.amal.net |
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Joined: 22 October 2011 Location: USA Status: Offline Points: 10 |
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Posted: 24 October 2011 at 11:42pm |
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Here is a quick video of the deed:
Edited by crossbar - 24 October 2011 at 11:43pm |
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amal
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Posted: 25 October 2011 at 3:06pm |
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nice. the angle looks a bit odd, like the tag sits across the index finger bone and/or tendon rather than parallel with it... but as long as it works and isn't causing irritation, that's cool man. nice work.
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Amal ;)
www.amal.net |
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Posted: 25 October 2011 at 9:11pm |
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Yeah. If i had to do it again, i'd make sure it lined up properly, but to be honest I cannot feel or see the tag in my hand at all. I have pretty fat hands, and I know its in there somewhere, but since the soreness went away, i really have no idea where it is. The misplacement was a combination of me following the injector kit's instructions to go all the way up to the plastic hub around the syringe, not realizing what direction I was going in, and not being 100% sober at the time. Someone should really write a best practices guide because the amount of information on doing it yourself is somewhat lacking. Not that it's necessarily rocket science, but I did a fair amount of independing research on things such as sterilization, RFID standards, medical implants, layers of skin, anatomy of the hand, etc, not to mention how unintuitive it was to locate the tag and the injector without asking too many questions.
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