hotp

package
v1.2.0 Latest Latest
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Published: Mar 17, 2018 License: Apache-2.0, Apache-2.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Generate

func Generate(opts GenerateOpts) (*otp.Key, error)

Generate creates a new HOTP Key.

func GenerateCode

func GenerateCode(secret string, counter uint64) (string, error)

GenerateCode creates a HOTP passcode given a counter and secret. This is a shortcut for GenerateCodeCustom, with parameters that are compataible with Google-Authenticator.

func GenerateCodeCustom

func GenerateCodeCustom(secret string, counter uint64, opts ValidateOpts) (passcode string, err error)

GenerateCodeCustom uses a counter and secret value and options struct to create a passcode.

func Validate

func Validate(passcode string, secret string, counter uint64) bool

Validate a HOTP passcode given a counter and secret. This is a shortcut for ValidateCustom, with parameters that are compataible with Google-Authenticator.

func ValidateCustom

func ValidateCustom(passcode string, secret string, counter uint64, opts ValidateOpts) (bool, error)

ValidateCustom validates an HOTP with customizable options. Most users should use Validate().

Types

type GenerateOpts

type GenerateOpts struct {
	// Name of the issuing Organization/Company.
	Issuer string
	// Name of the User's Account (eg, email address)
	AccountName string
	// Size in size of the generated Secret. Defaults to 10 bytes.
	SecretSize uint
	// Digits to request. Defaults to 6.
	Digits otp.Digits
	// Algorithm to use for HMAC. Defaults to SHA1.
	Algorithm otp.Algorithm
}

GenerateOpts provides options for .Generate()

type ValidateOpts

type ValidateOpts struct {
	// Digits as part of the input. Defaults to 6.
	Digits otp.Digits
	// Algorithm to use for HMAC. Defaults to SHA1.
	Algorithm otp.Algorithm
}

ValidateOpts provides options for ValidateCustom().

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