Voting resources, early voting, and poll worker information - VOTE. ... Adafruit is open and shipping.
0

Simtec Entropy key

Device
For when you really need random numbers

The Entropy Key, or eKey, is a small, unobtrusive and easily installed USB stick that generates high-quality random numbers, or entropy, which can improve the performance, security and reliability of servers. It can also be used with scientific, gambling and lottery applications, or anywhere where good random numbers are needed. It has been developed by UK-based Simtec Electronics, a design consultancy and manufacturing partner with 20 years of experience in designing and building high-speed, high-performance electronics with a speciality in embedded ARM-based designs. It is currently undergoing testing with the help of selected customers.

The eKey contains two high-quality quantum noise generators, and an ARM Cortex CPU that actively measures, checks and confirms all generated random numbers, before encrypting them and sending them to the server. It also actively detects attempts to corrupt or sway the device. It aims towards FIPS-140-2 Level 3 compliance with some elements of Level 4, including tamper-evidence, tamper-proofing, role-based authentication, and environmental attacks. If it detects that one of its two generators has failed, may be about to fail, or if it detects a physical attack, it will automatically shut down.



Adafruit has had paid day off for voting for our team for years, if you need help getting that going for your organization, let us know – we can share how and why we did this as well as the good results. Here are some resources for voting by mail, voting in person, and some NY resources for our NY based teams as well. If there are additional resources to add, please let us know – adafruit.com/vote

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 24,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/

CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


Maker Business — To make it through a tough business cycle, layoffs should be a last resort

Wearables — Start with too much

Electronics — Desolder with… more solder!

Python for Microcontrollers — Python on Microcontrollers Newsletter: Over 200 CircuitPython compatible boards! #Python #Adafruit #CircuitPython #CircuitPythonDay @micropython @ThePSF

Adafruit IoT Monthly — Mitigating Climate Change with IoT, LoRaWAN Gardens, and more!

Microsoft MakeCode — MakeCode and Wonder Woman 1984 Team Up

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — New Products 9/17/2020 featuring Adafruit BrainCraft HAT – Machine Learning for Raspberry Pi 4!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



7 Comments

  1. So is this going to be offered through adafruit? I can’t find any purchasing information.

  2. @drake, all the information is on the page we linked to – we’re not carrying it, we just thought it was interesting.

  3. Drake, it would make a nifty kit, but this isnt our product 🙂 The noisiness from reverse-biasing zener diodes is well known in EE and its cool someone made a product from it

  4. I used something similar to this with one of my clients. It had an LCD and every time you logged into the server, you had to enter the number. I was told it was a random # generator that was based on the time? Very annoying, and probably not as secure as they thought it was.

  5. @marc – http://en.wikipedia.org/wiki/SecureID

  6. @ladyada: No zener diodes were harmed in the making of the Entropy Key.

    @marc: No, you’re thinking SecureID, which is an authentication gizmo that follows the “something you know, and something you have” mantra. The Entropy Key isn’t one of these; it is a random number generator for use by the system for all sorts of tasks (such as SSL and TLS transactions, certificate creation, PGP key creation, etc), rather than for humans logging in.

    We had a lot of fun making this; the CPU we used is wonderful for such small devices, and it’s really easy to get your own code going on it.

  7. @Rob, well, it does say PN junction, which is a diode. and one could classify any diode as a zener diode (albeit a very bad one) 😉
    is there anything special about the diode used?

Sorry, the comment form is closed at this time.