Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

twofactor

package

Go to main page

Versions in this module

v1

v1.0.2

Aug 9, 2026

v1.0.1

Jul 29, 2026

v1.0.0

Jul 29, 2026

Changes in this version

+ const ModelTwoFactor

+ func New(config Config) (betterauth.Plugin, error)

+ type Config struct

+ AccountLockoutDuration time.Duration

+ AccountMaxFailedAttempts int

+ AllowPasswordless bool

+ BackupCodeCount int

+ BackupCodeLength int

+ ChallengeMaxAttempts int

+ Cipher betterauth.TokenCipher

+ DeliverOTP OTPDelivery

+ DisableTOTP bool

+ Issuer string

+ OTPTTL time.Duration

+ PendingCookie string

+ PendingTTL time.Duration

+ Schema betterauth.ModelSchema

+ SkipVerificationOnEnable bool

+ TOTPDigits int

+ TOTPPeriod time.Duration

+ TrustedDeviceCookie string

+ TrustedDeviceTTL time.Duration

+ type Manager struct

+ func NewManager(config Config) (*Manager, error)

+ func (manager *Manager) Plugin() betterauth.Plugin

+ func (manager *Manager) ViewBackupCodes(ctx context.Context, database betterauth.DatabaseAdapter, userID string) ([]string, error)

+ type OTPDelivery func(*betterauth.HookContext, betterauth.User, string) error

v1.0.0-rc.1

Jul 29, 2026