com.sun.identity.federation.services.util

Class FSSignatureManager

java.lang.Object

com.sun.identity.federation.services.util.FSSignatureManager

public class FSSignatureManager
extends Object

Util class used to sign a string and verify signature on a string.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FSSignatureManager() Constructor.
protected	FSSignatureManager(KeyProvider keyProvider, SignatureProviderSPI sigProvider) Constructor.

Method Summary

Modifier and Type	Method and Description
static FSSignatureManager	getInstance() Returns the singleton instance of FSSignatureManager with default KeyProvider and SignatureProvider.
static FSSignatureManager	getInstance(KeyProvider keyProvider, SignatureProviderSPI sigProvider) Returns an instance of FSSignatureManager with specified KeyProvider and SignatureProvider.
KeyProvider	getKeyProvider() Returns the key 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

FSSignatureManager

protected FSSignatureManager()

Constructor.

FSSignatureManager

protected FSSignatureManager(KeyProvider keyProvider,
                             SignatureProviderSPI sigProvider)

Constructor.

Method Detail

getInstance

public static FSSignatureManager getInstance()

Returns the singleton instance of FSSignatureManager with default KeyProvider and SignatureProvider.

Returns:

a FSSignatureManager instance

getInstance

public static FSSignatureManager getInstance(KeyProvider keyProvider,
                                             SignatureProviderSPI sigProvider)

Returns an instance of FSSignatureManager with specified KeyProvider and SignatureProvider.

Parameters:

keyProvider - KeyProvider instance

sigProvider - SignatureProvider instance

Returns:

a FSSignatureManager instance

signBuffer

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

Signs a String using enveloped signatures and default signature algorithm.

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.

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.

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.

Returns:

KeyProvider instance