HOTP class

HOTP class will generate the OTP (One Time Password) object with given counter.

Constructors

HOTP({required String secret, int counter = 0, int digits = 6, OTPAlgorithm algorithm = OTPAlgorithm.SHA1})
This constructor will create an HOTP instance.

Properties

algorithm OTPAlgorithm
The crypto algorithm used on HMAC encoding.
getter/setter pairinherited
counter int
The counter value for one-time password.
getter/setter pair
digits int
The length of the one-time password, between 6 and 8.
getter/setter pairinherited
extraUrlProperties Map<String, dynamic>
To access custom properties when generating the url.
no setter
hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
secret String
The Base32 secret key used to generate the one-time password.
getter/setter pairinherited
type OTPType
The type of the token.
no setter

Methods

at({int? counter}) String?
Generate the HOTP value with the given count
generateOTP({required int input, OTPAlgorithm? algorithm}) String
When class HOTP or TOTP pass the input params to this function, it will generate the OTP object with params, the params may be counter or time.
inherited
generateUrl({String? issuer, String? account}) String
Generate a url with OTP instance.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
verify({String? otp, int? counter}) bool
Verifies the HOTP value passed in against the a given counter.

Operators

operator ==(Object other) bool
The equality operator.
inherited