User Auth

  • Password
  • MFA
    • OTP (HOTP, TOTP)
    • GPG MFA
  • SSH Key Sign
  • GPG Sign
  • FIDO
  • Web Authentication
  • Smart Card
    • PIV
    • OpenPGP Card

https://pages.nist.gov/800-63-3/

Document Title URL
SP 800-63-3 Digital Identity Guidelines https://doi.org/10.6028/NIST.SP.800-63-3
SP 800-63A Enrollment and Identity Proofing https://doi.org/10.6028/NIST.SP.800-63a
SP 800-63B Authentication and Lifecycle Management https://doi.org/10.6028/NIST.SP.800-63b
SP 800-63C Federation and Assertions https://doi.org/10.6028/NIST.SP.800-63c