totp

package

v0.0.0-...-ec611a4 Latest Latest Go to latest Published: Oct 5, 2020 License: MIT Imports: 8 Imported by: 0

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type OTP struct {
	Opts
}

func NewDefaultOTP(secret string) *OTP

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

func NewOTP(opts Opts) *OTP

NewOTP returns OTP object

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

Generate returns otp value based on given counter

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

type TOTP struct {
	*OTP
	TimeStep int
}

func NewDefaultTOTP(secret string) *TOTP

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

func NewTOTP(opts Opts, timestep int) *TOTP

NewOTP returns OTP object

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

func (t *TOTP) Now() string