com.sun.identity.federation.services.util

Class FSSignatureProvider

java.lang.Object

com.sun.identity.federation.services.util.FSSignatureProvider

All Implemented Interfaces:

SignatureProviderSPI

public class FSSignatureProvider
extends Object
implements SignatureProviderSPI

This class implements interface SignatureProviderSPI.

Constructor Summary

Constructors

Constructor and Description
FSSignatureProvider() Default Constructor.

Method Summary

Modifier and Type	Method and Description
KeyProvider	getKeyProvider() Returns the key provider.
void	initialize(KeyProvider keyProvider) Initializes the provider.
byte[]	signBuffer(String data, String certAlias) Signs a String using enveloped signatures and default signature algorithm.
byte[]	signBuffer(String data, String certAlias, String algorithm) Signs a string using enveloped signatures.
boolean	verifySignature(String data, byte[] signature, String algorithm, X509Certificate cert) Verifies the signature of a signed string.

Methods inherited from class java.lang.Object

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

Constructor Detail

FSSignatureProvider

public FSSignatureProvider()

Default Constructor.

Method Detail

initialize

public void initialize(KeyProvider keyProvider)

Initializes the provider.

Specified by:

initialize in interface SignatureProviderSPI

Parameters:

keyProvider - KeyProvider object

signBuffer

public byte[] signBuffer(String data,
                         String certAlias)
                  throws FSSignatureException

Signs a String using enveloped signatures and default signature algorithm.

Specified by:

signBuffer in interface SignatureProviderSPI

Parameters:

data - string that needs to be signed

certAlias - Signer's certificate alias name

Returns:

byte array which contains signature object

Throws:

FSSignatureException - if an error occurred during the signing process

signBuffer

public byte[] signBuffer(String data,
                         String certAlias,
                         String algorithm)
                  throws FSSignatureException

Signs a string using enveloped signatures.

Specified by:

signBuffer in interface SignatureProviderSPI

Parameters:

data - string that needs to be signed

certAlias - Signer's certificate alias name

algorithm - signing algorithm

Returns:

byte array which contains signature Element object

Throws:

FSSignatureException - if an error occurred during the signing process

verifySignature

public boolean verifySignature(String data,
                               byte[] signature,
                               String algorithm,
                               X509Certificate cert)
                        throws FSSignatureException

Verifies the signature of a signed string.

Specified by:

verifySignature in interface SignatureProviderSPI

Parameters:

data - string whose signature to be verified

signature - signature in byte array

algorithm - signing algorithm

cert - Signer's certificate

Returns:

true if the xml signature is verified; false otherwise

Throws:

FSSignatureException - if problem occurs during verification

getKeyProvider

public KeyProvider getKeyProvider()

Returns the key provider.

Specified by:

getKeyProvider in interface SignatureProviderSPI

Returns:

KeyProvider instance