totp

Documentation

Index

• type OTP
  • func NewDefaultOTP(secret string) *OTP
  • func NewOTP(opts Opts) *OTP
  • func (o *OTP) Generate(counter uint64) string
• type Opts
• type TOTP
  • func NewDefaultTOTP(secret string) *TOTP
  • func NewTOTP(opts Opts, timestep int) *TOTP
  • func (t *TOTP) At(ts int64) string
  • func (t *TOTP) Now() string

Types

type OTP

type OTP struct {
	Opts
}

func NewDefaultOTP

func NewDefaultOTP(secret string) *OTP

DefaultOTP returns 6-digits HMAC-SHA-1 OTP based on given secret and counter

func NewOTP

func NewOTP(opts Opts) *OTP

NewOTP returns OTP object

func (*OTP) Generate

func (o *OTP) Generate(counter uint64) string

Generate returns otp value based on given counter

type Opts

type Opts struct {
	Digits    int
	Secret    string
	Algorithm func() hash.Hash
}

type TOTP

type TOTP struct {
	*OTP
	TimeStep int
}

func NewDefaultTOTP

func NewDefaultTOTP(secret string) *TOTP

DefaultOTP returns 6-digits HMAC-SHA-1 OTP based on given secret and counter

func NewTOTP

func NewTOTP(opts Opts, timestep int) *TOTP

NewOTP returns OTP object

func (*TOTP) At

func (t *TOTP) At(ts int64) string

func (*TOTP) Now

func (t *TOTP) Now() string