otp

Documentation

Index

• Constants
• func GenAuthRule(label, issuer, secret, algorithm string, periodDigits ...int) string
• func GenHotp(algorithm func() hash.Hash, secret string, idx int64, digits int) (string, error)
• func GenSecret() (string, error)
• func GenTotp(algorithm func() hash.Hash, secret string, periodDigits ...int) (string, error)

Examples

• GenSecret
• GenTotp

Constants

const DIGITS = 6 // %06d

const PERIOD = 30 // 30s

Functions

func GenAuthRule

func GenAuthRule(label, issuer, secret, algorithm string, periodDigits ...int) string

func GenHotp

func GenHotp(algorithm func() hash.Hash, secret string, idx int64, digits int) (string, error)

func GenSecret

func GenSecret() (string, error)

Example

package main

import (
	"fmt"
	"log"

	"github.com/watsonserve/otp"
)

func main() {
	s, err := otp.GenSecret()
	if nil != err {
		log.Fatalln(err)
	}

	r := otp.GenAuthRule("label", "issuer", s, "SHA512")
	fmt.Println(r)
}

func GenTotp

func GenTotp(algorithm func() hash.Hash, secret string, periodDigits ...int) (string, error)

Example

package main

import (
	"crypto/sha512"
	"fmt"

	"github.com/watsonserve/otp"
)

func main() {
	fmt.Println(otp.GenTotp(sha512.New, "EVGUUICK6MMMVPHSW4GTBBAETHDEPC5S"))
}