Package org.bardframework.flow.form.field.input.otp.time

Class OtpServiceAbstract

java.lang.Object

org.bardframework.flow.form.field.input.otp.time.OtpServiceAbstract

All Implemented Interfaces:

OtpGenerator<Void>

Direct Known Subclasses:

HotpService, TotpService

public abstract class OtpServiceAbstract
extends Object
implements OtpGenerator<Void>

Constructor Summary

Constructors

Constructor	Description
OtpServiceAbstract()

Method Summary

Modifier and Type	Method	Description
Void	generate()
abstract String	generate(byte[] secret)
byte[]	generateSecret()
int	getLength()
protected byte[]	hmac(byte[] input, byte[] secret)
Boolean	isNumber()
abstract boolean	verify(String otp, byte[] secret)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

OtpServiceAbstract

public OtpServiceAbstract()

Method Details

generate

public abstract String generate(byte[] secret)

verify

public abstract boolean verify(String otp,
 byte[] secret)
                        throws GeneralSecurityException

Throws:

GeneralSecurityException

hmac

protected byte[] hmac(byte[] input,
 byte[] secret)
               throws GeneralSecurityException

Throws:

GeneralSecurityException

generateSecret

public byte[] generateSecret()
                      throws GeneralSecurityException

Throws:

GeneralSecurityException

generate

public Void generate()

Specified by:

generate in interface OtpGenerator<Void>

isNumber

public Boolean isNumber()

Specified by:

isNumber in interface OtpGenerator<Void>

getLength

public int getLength()

Specified by:

getLength in interface OtpGenerator<Void>