Package dk.hyperdivision.multisig_hmac

Class Sign

java.lang.Object

dk.hyperdivision.multisig_hmac.Sign

public class Sign
extends Object

Sign represents a sign of data with a key

Author:

Amalie Due Jensen

Constructor Summary

Constructors

Constructor	Description
Sign(IndexKey KeyObj, byte[] Data, String Algorithm)	Constructs and initializes a sign of data with a key A list of instances of Sign can be passed to an instance of Combine

Method Summary

Modifier and Type	Method	Description
static byte[]	sign(IndexKey KeyObj, byte[] Data, String Algorithm)	Independently signs data with a key

Methods inherited from class java.lang.Object

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

Constructor Details

Sign

public Sign(IndexKey KeyObj, byte[] Data, String Algorithm) throws InvalidKeyException, NoSuchAlgorithmException

Constructs and initializes a sign of data with a key A list of instances of Sign can be passed to an instance of Combine

Parameters:

KeyObj - - instance of IndexKey

Data - - data which should be signed

Algorithm - - algorithm used for HMAC

Throws:

InvalidKeyException - - if the given key is inappropriate for initializing this HMAC

NoSuchAlgorithmException - - if the specified algorithm is not available

Method Details

sign

public static byte[] sign(IndexKey KeyObj, byte[] Data, String Algorithm) throws InvalidKeyException, NoSuchAlgorithmException

Independently signs data with a key

Parameters:

KeyObj - - instance of indexKey

Data - - data which should be signed

Algorithm - - algorithm used for HMAC

Returns:

sign of data

Throws:

InvalidKeyException - - if the given key is inappropriate for initializing this HMAC

NoSuchAlgorithmException - - if the specified algorithm is not available