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The Nitrokey Pro 2 impresses with its ease-of-use, versatility and high-level security.  Securing your digital life, encrypts your communication and secures access to your accounts. Protects against hackers and espionage – private and professional, made reliable thanks to open source.

NitroKey Pro 2 R
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Your secret keys are stored in the tamper-resistant and PIN-protected device and are secured against computer viruses, loss, and theft. Supported algorithms: RSA 2048-4096 bit, ECC 256-512 (Brainpool and Nist).  The device is PIN-protected and is secured against hardware attacks.
Backups protect against loss.


  • Secure Login: One Time Passwords allow secure two-factor-authentication with Google, Facebook and many more. Login to computers and network services (e.g. SSH) using certificates.
  • Email Encryption: Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favorite email client. Keep your secret keys secure on your Nitrokey.
  • Hard Disk & File Encryption: Encrypt your hard disks and files using TrueCrypt, GnuPG Tools and more. Keep your secret keys secure on your Nitrokey.
  • Both hardware and software are open-source and free software. All development tools are available as open-source and for free.
  • Allows verifying the integrity of Purism computer.

Supported Systems:

Systems Mozilla Thunderbird MS Outlook GnuPG SSH TrueCrypt/VeraCryptOpenSC  CSP, OpenPGP, S/MIME, X.509, PKCS#11
Websites Google Facebook Dropbox    
OS Windows macOS Linux BSD  

Technical Details:

  • Secure key storage: 3 x RSA 2048-4096 bit or   3 x ECC 256-521 bit, 1 x AES-128 or AES-256
  • Elliptic curves: NIST P-256, P-384, P-521   (secp256r1/prime256v1, secp384r1/   prime384v1, secp521r1/prime521v1),    brainpoolP256r1, brainpoolP384r1,    brainpoolP512r1
  • One-time passwords: 3 x HOTP (RFC 4226),  15 x TOTP (RFC 6238), 1 x HOTP validation
  • Password manager: 16 entries
  • True random number generator (TRNG):   40 kbit/s
  • Tamper-resistant smart card
  • Life expectancy (MTBF, MTTF): > 100,000 PIN   entries
  • Storage time: > 20 years
  • Activity indicator: two-colored LED
  • Hardware interface: USB 2.0, type A
  • Size: 48 x 19 x 7 mm
  • Weight: 6 g
  • Compliance: FCC, CE, RoHS, WEEE, OSHwA