Auth NFC
Auth
NFC
AppIcon

A simple and secure authenticator


Auth NFC is a simple and secure authenticator app used to generate time-based, one-time (TOTP) passcodes. Auth NFC optionally uses NFC for an added layer of security.

  • No online account required.
  • Easily import/export your accounts.
  • Unlock the app with a password, Face ID/Touch ID, or by scanning a NFC tag.
  • Store account secrets on your phone, NFC tags, or YubiKeys.
  • Enable two-factor authentication requiring password + NFC tag.
  • Generate QR codes of your accounts for storing a photo backup.

Auth NFC securely stores your secrets using industry standard encryption and hashing algorithms. All data is stored locally on your device. Optionally store individual account secrets off-device on NFC tags. Easily backup your accounts to a file or save a QR code photo for easy export to another authenticator.


Requirements: Compatible iOS device running iOS 17 or higher.



Auth
NFC
AppIcon

A simple and secure authenticator


Auth NFC

Auth NFC is a simple and secure authenticator app used to generate time-based, one-time (TOTP) passcodes. Auth NFC optionally uses NFC for an added layer of security.

  • No online account required.
  • Easily import/export your accounts.
  • Unlock the app with a password, Face ID/Touch ID, or by scanning a NFC tag.
  • Store account secrets on your phone, NFC tags, or YubiKeys.
  • Enable two-factor authentication requiring password + NFC tag.
  • Generate QR codes of your accounts for storing a photo backup.

Auth NFC securely stores your secrets using industry standard encryption and hashing algorithms. All data is stored locally on your device. Optionally store individual account secrets off-device on NFC tags. Easily backup your accounts to a file or save a QR code photo for easy export to another authenticator.


Requirements: Compatible iOS device running iOS 17 or higher.




 

Security Model


Auth NFC uses your device's built-in, industry standard encryption and hashing algorithms to protect your secrets.

  • AES-GCM and P-256 ECDH Encryption
  • PBKDF2 and HKDF Key Derivation
  • SHA-256 Hashing

Read the Security Model to see exactly how Auth NFC works.

Security Model


Auth NFC uses your device's built-in, industry standard encryption and hashing algorithms to protect your secrets.

  • AES-GCM and P-256 ECDH Encryption
  • PBKDF2 and HKDF Key Derivation
  • SHA-256 Hashing

Read thex Security Model to see exactly how Auth NFC works.