com.sun.identity.saml.xmlsig

Class XMLSignatureManager

java.lang.Object

com.sun.identity.saml.xmlsig.XMLSignatureManager

public class XMLSignatureManager
extends Object

The class XMLSignatureManager provides methods to sign and verify XML signature.

Field Summary

Fields

Modifier and Type	Field and Description
protected static XMLSignatureManager	instance

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	XMLSignatureManager() Constructor
protected	XMLSignatureManager(KeyProvider keyProvider, SignatureProvider sigProvider) Constructor

Method Summary

Modifier and Type	Method and Description
static XMLSignatureManager	getInstance() Gets the singleton instance of XMLSignatureManager with default KeyProvider and SignatureProvider.
static XMLSignatureManager	getInstance(KeyProvider keyProvider, SignatureProvider sigProvider) Get an instance of XMLSignatureManager with specified KeyProvider and SignatureProvider.
KeyProvider	getKeyProvider() Get KeyProvider
SignatureProvider	getSignatureProvider() Returns the SignatureProvider
Element	signWithBinarySecurityToken(Document doc, Certificate cert, String algorithm, List ids, String refenceType) Sign part of the XML document wth binary security token using referred by the supplied a list of id attributes of nodes.
Element	signWithKerberosToken(Document doc, Key key, String algorithm, List ids)
Element	signWithSAMLToken(Document doc, Certificate cert, String assertionID, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signWithSAMLToken(Document doc, Key key, boolean symmetricKey, Certificate signingCert, Certificate encryptCert, String assertionID, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes using SAML Token.
Element	signWithUserNameToken(Document doc, Certificate cert, String algorithm, List ids) Sign part of the XML document wth UserName security token using referred by the supplied a list of id attributes of nodes.
Element	signWithWSSSAMLTokenProfile(Document doc, Certificate cert, String assertionID, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signWithWSSSAMLTokenProfile(Document doc, Certificate cert, String assertionID, String algorithm, List ids, String wsfVersion) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signWithWSSX509TokenProfile(Document doc, Certificate cert, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signWithWSSX509TokenProfile(Document doc, Certificate cert, String algorithm, List ids, String wsfVersion) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signXML(Document doc, String certAlias) Sign the XML document using enveloped signatures.
Element	signXML(Document doc, String certAlias, String algorithm) Sign the XML document using enveloped signatures.
Element	signXML(Document doc, String certAlias, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signXML(Document doc, String certAlias, String algorithm, String id) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
Element	signXML(Document doc, String certAlias, String algorithm, String transformAlag, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
Element	signXML(Document doc, String certAlias, String algorithm, String id, String xpath) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
Element	signXML(Document doc, String certAlias, String algorithm, String idAttrName, String id, boolean includeCert) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
Element	signXML(Document doc, String certAlias, String algorithm, String idAttrName, String id, boolean includeCert, String xpath) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
String	signXML(String XML, String certAlias) Sign the XML string using enveloped signatures.
String	signXML(String XML, String certAlias, String algorithm) Sign the XML string using enveloped signatures.
String	signXML(String xmlString, String certAlias, String algorithm, List ids) Sign part of the XML document referred by the supplied a list of id attributes of nodes
String	signXML(String xmlString, String certAlias, String algorithm, String id) Sign the XML string using enveloped signatures.
String	signXML(String xmlString, String certAlias, String algorithm, String idAttrName, String id, boolean includeCert) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
Element	signXMLUsingKeyPass(Document doc, String certAlias, String encryptedKeyPass, String algorithm, String idAttrName, String id, boolean includeCert, String xpath) Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.
boolean	verifyWSSSignature(Document document, Key key) Verify web services message signature using specified key
boolean	verifyWSSSignature(Document document, Key key, String certAlias, String encryptAlias) Verify web services message signature using specified key
boolean	verifyWSSSignature(Document document, String certAlias) Verify all the signatures of the XML document for the web services security.
boolean	verifyXMLSignature(Document document) Verify all the signatures of the XML document
boolean	verifyXMLSignature(Document document, Certificate cert) Verify the signature of the XML document
boolean	verifyXMLSignature(Document document, String certAlias) Verify all the signatures of the XML document
boolean	verifyXMLSignature(Element element) Verify the signature of the XML document
boolean	verifyXMLSignature(Element element, String certAlias) Verify the signature of the XML document
boolean	verifyXMLSignature(Element element, String idAttrName, String certAlias) Verify the signature of the XML document
boolean	verifyXMLSignature(String XML) Verify the signature of the XML string
boolean	verifyXMLSignature(String XML, String certAlias) Verify the signature of the XML string
boolean	verifyXMLSignature(String wsfVersion, String certAlias, Document document) Verify all the signatures of the XML document
boolean	verifyXMLSignature(String xmlString, String idAttrName, String certAlias) Verify the signature of the XML string

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static XMLSignatureManager instance

Constructor Detail

XMLSignatureManager

protected XMLSignatureManager()

Constructor

XMLSignatureManager

protected XMLSignatureManager(KeyProvider keyProvider,
                              SignatureProvider sigProvider)

Constructor

Method Detail

getInstance

public static XMLSignatureManager getInstance()

Gets the singleton instance of XMLSignatureManager with default KeyProvider and SignatureProvider.

Returns:

XMLSignatureManager

getInstance

public static XMLSignatureManager getInstance(KeyProvider keyProvider,
                                              SignatureProvider sigProvider)

Get an instance of XMLSignatureManager with specified KeyProvider and SignatureProvider.

Parameters:

keyProvider - KeyProvider

sigProvider - SignatureProvider.

Returns:

XMLSignatureManager.

getSignatureProvider

public SignatureProvider getSignatureProvider()

Returns the SignatureProvider

Returns:

SignatureKeyProvider instance

signXML

public Element signXML(Document doc,
                       String certAlias)
                throws XMLSignatureException

Sign the XML document using enveloped signatures.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm)
                throws XMLSignatureException

Sign the XML document using enveloped signatures.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - signature algorithm

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public String signXML(String XML,
                      String certAlias)
               throws XMLSignatureException

Sign the XML string using enveloped signatures.

Parameters:

XML - XML string to be signed

certAlias - Signer's certificate alias name

Returns:

XML signature string

Throws:

XMLSignatureException - if the XML string could not be signed

signXML

public String signXML(String XML,
                      String certAlias,
                      String algorithm)
               throws XMLSignatureException

Sign the XML string using enveloped signatures.

Parameters:

XML - XML string to be signed

certAlias - Signer's certificate alias name

algorithm - signature algorithm

Returns:

XML signature string

Throws:

XMLSignatureException - if the XML string could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       String id)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

id - attribute value of the node to be signed

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       String id,
                       String xpath)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

id - id attribute value of the node to be signed

xpath - expression should uniquely identify a node before which

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       String idAttrName,
                       String id,
                       boolean includeCert)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

idAttrName - attribute name for the id attribute of the node to be signed.

id - id attribute value of the node to be signed

includeCert - if true, include the signing certificate in KeyInfo. if false, does not include the signing certificate.

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public String signXML(String xmlString,
                      String certAlias,
                      String algorithm,
                      String idAttrName,
                      String id,
                      boolean includeCert)
               throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

xmlString - a string representing XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

idAttrName - attribute name for the id attribute of the node to be signed.

id - id attribute value of the node to be signed

includeCert - if true, include the signing certificate in KeyInfo. if false, does not include the signing certificate.

Returns:

a string of signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       String idAttrName,
                       String id,
                       boolean includeCert,
                       String xpath)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

idAttrName - attribute name for the id attribute of the node to be signed.

id - id attribute value of the node to be signed

includeCert - if true, include the signing certificate in KeyInfo. if false, does not include the signing certificate.

xpath - expression should uniquely identify a node before which

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXMLUsingKeyPass

public Element signXMLUsingKeyPass(Document doc,
                                   String certAlias,
                                   String encryptedKeyPass,
                                   String algorithm,
                                   String idAttrName,
                                   String id,
                                   boolean includeCert,
                                   String xpath)
                            throws XMLSignatureException

Sign part of the XML document referred by the supplied id attribute using enveloped signatures and use exclusive XML canonicalization.

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

encryptedKeyPass - Use the supplied encrypted key password to get the private key

algorithm - XML signature algorithm

idAttrName - attribute name for the id attribute of the node to be signed.

id - id attribute value of the node to be signed

includeCert - if true, include the signing certificate in KeyInfo. if false, does not include the signing certificate.

xpath - expression should uniquely identify a node before which

Returns:

a signed dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public String signXML(String xmlString,
                      String certAlias,
                      String algorithm,
                      String id)
               throws XMLSignatureException

Sign the XML string using enveloped signatures.

Parameters:

xmlString - XML string to be signed

certAlias - Signer's certificate alias name

algorithm - XML Signature algorithm

id - id attribute value of the node to be signed

Returns:

XML signature string

Throws:

XMLSignatureException - if the XML string could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       List ids)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

signature dom object

Throws:

XMLSignatureException - if the document could not be signed

signXML

public String signXML(String xmlString,
                      String certAlias,
                      String algorithm,
                      List ids)
               throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

xmlString - XML dom object's string format

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

XML signature string

Throws:

XMLSignatureException - if the document could not be signed

signXML

public Element signXML(Document doc,
                       String certAlias,
                       String algorithm,
                       String transformAlag,
                       List ids)
                throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

certAlias - Signer's certificate alias name

algorithm - XML signature algorithm

transformAlag - XML signature transform algorithm Those transfer constants are defined as SAMLConstants.TRANSFORM_XXX.

ids - list of id attribute values of nodes to be signed

Returns:

XML signature element

Throws:

XMLSignatureException - if the document could not be signed

signWithWSSSAMLTokenProfile

public Element signWithWSSSAMLTokenProfile(Document doc,
                                           Certificate cert,
                                           String assertionID,
                                           String algorithm,
                                           List ids)
                                    throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

cert - signer's Certificate

assertionID - assertion ID for the SAML Security Token

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

SAML Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithWSSSAMLTokenProfile

public Element signWithWSSSAMLTokenProfile(Document doc,
                                           Certificate cert,
                                           String assertionID,
                                           String algorithm,
                                           List ids,
                                           String wsfVersion)
                                    throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

cert - signer's Certificate

assertionID - assertion ID for the SAML Security Token

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

wsfVersion - the web services framework that should be used. For WSF1.1, the version must be "1.1" and for WSF1.0, it must be "1.0"

Returns:

SAML Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithSAMLToken

public Element signWithSAMLToken(Document doc,
                                 Certificate cert,
                                 String assertionID,
                                 String algorithm,
                                 List ids)
                          throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

cert - signer's Certificate

assertionID - assertion ID for the SAML Security Token

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

SAML Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithSAMLToken

public Element signWithSAMLToken(Document doc,
                                 Key key,
                                 boolean symmetricKey,
                                 Certificate signingCert,
                                 Certificate encryptCert,
                                 String assertionID,
                                 String algorithm,
                                 List ids)
                          throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes using SAML Token.

Parameters:

doc - XML dom object

key - the key that will be used to sign the document.

symmetricKey - true if the supplied key is a symmetric key type.

signingCert - signer's Certificate. If present, this certificate will be added as part of signature KeyInfo.

encryptCert - the certificate if present will be used to encrypt the symmetric key and replay it as part of KeyInfo

assertionID - assertion ID for the SAML Security Token

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

SAML Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithKerberosToken

public Element signWithKerberosToken(Document doc,
                                     Key key,
                                     String algorithm,
                                     List ids)
                              throws XMLSignatureException

Throws:

XMLSignatureException

signWithBinarySecurityToken

public Element signWithBinarySecurityToken(Document doc,
                                           Certificate cert,
                                           String algorithm,
                                           List ids,
                                           String refenceType)
                                    throws XMLSignatureException

Sign part of the XML document wth binary security token using referred by the supplied a list of id attributes of nodes.

Parameters:

doc - the XML DOM document.

cert - Signer's certificate

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

refenceType - signed element reference type

Returns:

X509 Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithUserNameToken

public Element signWithUserNameToken(Document doc,
                                     Certificate cert,
                                     String algorithm,
                                     List ids)
                              throws XMLSignatureException

Sign part of the XML document wth UserName security token using referred by the supplied a list of id attributes of nodes.

Parameters:

doc - the XML DOM document.

cert - Signer's certificate

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

X509 Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithWSSX509TokenProfile

public Element signWithWSSX509TokenProfile(Document doc,
                                           Certificate cert,
                                           String algorithm,
                                           List ids)
                                    throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

cert - Signer's certificate

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

Returns:

X509 Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

signWithWSSX509TokenProfile

public Element signWithWSSX509TokenProfile(Document doc,
                                           Certificate cert,
                                           String algorithm,
                                           List ids,
                                           String wsfVersion)
                                    throws XMLSignatureException

Sign part of the XML document referred by the supplied a list of id attributes of nodes

Parameters:

doc - XML dom object

cert - Signer's certificate

algorithm - XML signature algorithm

ids - list of id attribute values of nodes to be signed

wsfVersion - the web services framework that should be used. For WSF1.1, it should be "1.1" and for WSF1.0, it should be "1.0"

Returns:

X509 Security Token signature

Throws:

XMLSignatureException - if the document could not be signed

verifyXMLSignature

public boolean verifyXMLSignature(Document document)
                           throws XMLSignatureException

Verify all the signatures of the XML document

Parameters:

document - XML dom document whose signature to be verified

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(Document document,
                                  String certAlias)
                           throws XMLSignatureException

Verify all the signatures of the XML document

Parameters:

document - XML dom document whose signature to be verified

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(Document document,
                                  Certificate cert)
                           throws XMLSignatureException

Verify the signature of the XML document

Parameters:

document - XML dom document whose signature to be verified

cert - Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(Element element)
                           throws XMLSignatureException

Verify the signature of the XML document

Parameters:

element - XML dom document whose signature to be verified

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(Element element,
                                  String certAlias)
                           throws XMLSignatureException

Verify the signature of the XML document

Parameters:

element - XML dom document whose signature to be verified

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(Element element,
                                  String idAttrName,
                                  String certAlias)
                           throws XMLSignatureException

Verify the signature of the XML document

Parameters:

element - XML dom document whose signature to be verified

idAttrName - Attribute name for the id attribute

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(String XML)
                           throws XMLSignatureException

Verify the signature of the XML string

Parameters:

XML - XML string whose signature to be verified

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(String XML,
                                  String certAlias)
                           throws XMLSignatureException

Verify the signature of the XML string

Parameters:

XML - XML string whose signature to be verified

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo/

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyXMLSignature

public boolean verifyXMLSignature(String xmlString,
                                  String idAttrName,
                                  String certAlias)
                           throws XMLSignatureException

Verify the signature of the XML string

Parameters:

xmlString - XML string whose signature to be verified

idAttrName - Attribute name for the id attribute

certAlias - certAlias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

Returns:

true if the XML signature is verified, false otherwise.

Throws:

XMLSignatureException - if problem occurs during verification.

verifyXMLSignature

public boolean verifyXMLSignature(String wsfVersion,
                                  String certAlias,
                                  Document document)
                           throws XMLSignatureException

Verify all the signatures of the XML document

Parameters:

wsfVersion - the web services version that should be used.

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

document - XML dom document whose signature to be verified

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification.

verifyWSSSignature

public boolean verifyWSSSignature(Document document,
                                  String certAlias)
                           throws XMLSignatureException

Verify all the signatures of the XML document for the web services security.

Parameters:

document - XML dom document whose signature to be verified

certAlias - alias for Signer's certificate, this is used to search signer's public certificate if it is not presented in ds:KeyInfo.

Returns:

true if the XML signature is verified, false otherwise

Throws:

XMLSignatureException - if problem occurs during verification

verifyWSSSignature

public boolean verifyWSSSignature(Document document,
                                  Key key)
                           throws XMLSignatureException

Verify web services message signature using specified key

Parameters:

document - the document to be validated

key - the secret key to be used for validating signature

Returns:

true if verification is successful.

Throws:

XMLSignatureException

verifyWSSSignature

public boolean verifyWSSSignature(Document document,
                                  Key key,
                                  String certAlias,
                                  String encryptAlias)
                           throws XMLSignatureException

Verify web services message signature using specified key

Parameters:

document - the document to be validated

key - the secret key to be used for validating signature

certAlias - the certificate alias used for validating the signature if the key is not available.

encryptAlias - the certificate alias that may be used to decrypt the symmetric key that may be part of KeyInfo

Returns:

true if verification is successful.

Throws:

XMLSignatureException

getKeyProvider

public KeyProvider getKeyProvider()

Get KeyProvider

Returns:

KeyProvider