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Protect emails, files, hard drives, server certificates and online accounts using a physical USB key.

  • Prevent Identity Theft
  • Stop Espionage & Mass Surveillance
  • Prevent Data Loss
Made in Berlin, Assembled in Berlin

Nitrokey enables:

  • Secure Login

    Login to websites (e.g. Google, Facebook) using secure One Time Passwords (OTP), U2F or ordinary static passwords. Login to computers and network services (e.g. SSH) using certificates.

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  • Email Encryption

    Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client. Keep your secret keys secure on your Nitrokey.

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  • Encrypted Mobile Storage

    Carry important data with you, hardware-encrypted on your Nitrokey Storage device (8-64 GB). Compatible with Windows, Linux and Mac OS.

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  • Hard Disk & File Encryption

    Encrypt your hard disks and files using TrueCrypt/VeraCrypt, GnuPG Tools and more. Keep your secret keys secure on your Nitrokey.

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  • Server Protection

    Protect your server certificates by using up to 43 ECC and 35 RSA keys with the Nitrokey HSM. Ideal for security servers.

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Illustration: How Nitrokey works

How Nitrokey works

Protect emails, files, hard drives, server certificates and online accounts using cryptography. Your secret keys are always stored securely in the Nitrokey hardware and can't be stolen. The device is PIN-protected and is secured against hardware attacks. Backups protect against loss.

Nitrokey is better:

  • High Security

    Your secret keys are stored in the tamper-resistant and PIN-protected device and are secured against computer viruses, loss and theft. RSA keys of up to 4096 bit and AES-256 are supported.

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  • Independent Security Assessment

    The auditing company Cure53 performed an intensive security review of the Nitrokey Storage. The security expert summarize their final result with "Nitrokey is capable of functioning properly and securely". The complete final report can be downloaded publicly (FirmwareHardware).

  • Open Source

    Both hardware and software are open-source, free software and allow independent security reviews. Customisable, no vendor lock-in, no security via obfuscation, no hidden security issues!

  • Complete USB plug

    Unlike some competitors, Nitrokey contains a complete and standard compliant USB plug. This ensures thousands of insertions without connectivity issues.

  • No Backdoors - No NSA

    Installed firmware can be exported and verified, preventing attackers from inserting backdoors into products during shipping. Nitrokey is open-source and free of backdoors. Secret keys are generated only by you and we have no access to your private information.

  • Plausible Deniability

    The only hardware solution with hidden encrypted storage. This allows you to plausibly deny the existence of encrypted data, for example during border controls.

  • Easy Integration

    Nitrokey uses open interfaces to enable its easy integration with your personal requirements. Custom solution can be provided on request.

  • Better Than Software

    The Nitrokey hardware functions independently of any operating systems and protects your secret keys against theft, loss, user mistakes and computer viruses.

The Nitrokey Family

  Nitrokey Storage Nitrokey Pro Nitrokey Start Nitrokey HSM Nitrokey FIDO U2F
Made in Berlin, Assembled in Berlin Nitrokey Storage Nitrokey Pro Nitrokey Start Nitrokey HSM Nitrokey U2F
Open source
Tamper-resistant smart card    
S/MIME email and hard disk encryption (X.509, PKCS#11)  
OpenPGP/ GnuPG email encryption    
Secure login (One Time Passwords)      
Password Manager      
Encrypted mass storage        
Hidden volumes        
Firmware updates and verification        
RSA key length [bit] 1024 - 4096 1024 - 4096 2048 1024 - 2048  
Number of RSA key pairs 3 3 3 35  
Number of ECC key pairs       43  
PKI/CA management features        
Secure login (FIDO U2F)        
Price Starting from € 99.00 € 49.00 € 29.00 € 59.00 € 15.00
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Nitrokey is part of

Google Summer of Code OH&A nlnet German Privacy Foundation foss asiamozillaopen technology fund


  • We are very proud to announce the availability of the long anticipated Nitrokey Storage. From now on the new Nitrokey Storage can be ordered in our online shop. The Nitrokey Storage is our new flagship device with exciting new features:
    03rd Oct 2016
  • During our crowdfunding campaign last year we estimated the shipping date of the Nitrokey Storage would be 2 May 2016. As we have previously mentioned, the time-critical aspect of the project is the development of the plastic casing. We have already made three revisions to the design of the casing and this week we received the latest sample of the casing. Unfortunately the casing isn't ready yet which is why we have had to postpone the release date of the Nitrokey Storage to June.
    13th May 2016
  • Our crowdfunding campaign is now over and we are pleased to announce that we raised €25,000. A round of applause goes to the 187 supporters who made this possible! The project is on track and we plan to ship the final Nitrokey Storage devices at 2nd May 2016.
    08th Jan 2016

Nitrokey - Made in Berlin