net.robotmedia.billing.security
Class DefaultSignatureValidator

java.lang.Object
  net.robotmedia.billing.security.DefaultSignatureValidator

All Implemented Interfaces:

ISignatureValidator

public class DefaultSignatureValidator
extends Object
implements ISignatureValidator

Field Summary

protected static String	KEY_FACTORY_ALGORITHM
protected static String	SIGNATURE_ALGORITHM

Constructor Summary

DefaultSignatureValidator(BillingController.IConfiguration configuration)

Method Summary

protected PublicKey	generatePublicKey(String encodedPublicKey) Generates a PublicKey instance from a string containing the Base64-encoded public key.
protected boolean	validate(PublicKey publicKey, String signedData, String signature)
boolean	validate(String signedData, String signature) Validates that the specified signature matches the computed signature on the specified signed data.

Methods inherited from class java.lang.Object

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

Field Detail

KEY_FACTORY_ALGORITHM

protected static final String KEY_FACTORY_ALGORITHM

See Also:

Constant Field Values

SIGNATURE_ALGORITHM

protected static final String SIGNATURE_ALGORITHM

See Also:

Constant Field Values

Constructor Detail

DefaultSignatureValidator

public DefaultSignatureValidator(BillingController.IConfiguration configuration)

Method Detail

generatePublicKey

protected PublicKey generatePublicKey(String encodedPublicKey)

Generates a PublicKey instance from a string containing the Base64-encoded public key.

Parameters:

encodedPublicKey - Base64-encoded public key

Throws:

IllegalArgumentException - if encodedPublicKey is invalid

validate

protected boolean validate(PublicKey publicKey,
                           String signedData,
                           String signature)

validate

public boolean validate(String signedData,
                        String signature)

Description copied from interface: ISignatureValidator

Validates that the specified signature matches the computed signature on the specified signed data. Returns true if the data is correctly signed.

Specified by:

validate in interface ISignatureValidator

Parameters:

signedData - signed data

signature - signature

Returns:

true if the data and signature match, false otherwise.