com.scalar.dl.ledger.crypto

Class HmacValidator

java.lang.Object

com.scalar.dl.ledger.crypto.HmacValidator

All Implemented Interfaces:

SignatureValidator

@Immutable
public class HmacValidator
extends java.lang.Object
implements SignatureValidator

A HMAC signer for a byte array with a specified secret key.

Constructor Summary

Constructors

Constructor and Description
HmacValidator(java.lang.String secret)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) Indicates whether some other object is "equal to" this object.
int	hashCode() Returns a hash code value for the object.
boolean	validate(byte[] toBeValidated, byte[] signatureBytes) Validates a given byte array with HMAC.

Methods inherited from class java.lang.Object

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

Constructor Detail

HmacValidator

public HmacValidator(java.lang.String secret)

Method Detail

validate

public boolean validate(byte[] toBeValidated,
                        byte[] signatureBytes)

Validates a given byte array with HMAC.

Specified by:

validate in interface SignatureValidator

Parameters:

toBeValidated - a byte array to be validated.

signatureBytes - a hash (signature) derived by HMAC hashing.

Returns:

true if the signature corresponds to the toBeValidated bytes; false otherwise

hashCode

public int hashCode()

Returns a hash code value for the object.

Overrides:

hashCode in class java.lang.Object

Returns:

a hash code value for this object.

equals

public boolean equals(java.lang.Object o)

Indicates whether some other object is "equal to" this object. The other object is considered equal if it is also an HmacValidator and both instances have the same

• secret

Overrides:

equals in class java.lang.Object

Parameters:

o - an object to be tested for equality

Returns:

true if the other object is "equal to" this object otherwise false