A new home for your SSH private key

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Introducing Kryptonite: the end of ~/.ssh/id_rsa

Where do you store your private key? Read our FAQ to learn why you should use Kryptonite.

The private key is stored on your phone

Your phone is the gatekeeper for every SSH authentication.
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Easily upload & share your public key

Upload your key to Github, Digital Ocean and other services with Kryptonite.

Pair your phone with multiple computers

After pairing your phone with your computers, use SSH as you normally would.
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Public Source Code

All of the Kryptonite source code is published at github.com/kryptco.
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Get Started in 3 steps

1

Download Kryptonite on the app store

Get it on Google Play
2

Install kr and pair your computer

Follow the instructions here to install kr on your computer.

Then open the app to the 'pair' screen. Run ‘kr pair’ and scan the QR code using Kryptonite on your phone.

$kr pair
3

Use SSH normally

After you add your public key to a server or GitHub, use SSH or git as you normally would.

$ssh root@server

Every time you SSH, your computer will request a signature from your phone.
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Have questions? hello@krypt.co