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The Apache WSS4J project provides a Java implementation of the primary security standards
for Web Services, namely the OASIS Web Services Security (WS-Security) specifications
from the OASIS Web Services Security TC.
/*
* Copyright 2003-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.ws.security.handler;
import org.apache.ws.security.WSConstants;
import java.util.Hashtable;
import java.util.Map;
/**
* This class defines the names, actions, and other string for the deployment
* data of the WSS handler. Both the Axis handler as well as the JAX-RPC handler
* use this class.
*
* @author Werner Dittmann ([email protected])
*/
public class WSHandlerConstants {
/**
* The action parameter. The
* handlers use the value of this parameter to determine how
* to process the SOAP Envelope. For example in a Axis WSDD file:
*
* <handler type="java:org.apache.ws.axis.security.WSDoAllSender">
* <parameter name="action" value="UsernameToken"/>
* ...
*
* orders the handler to attach a UsernameToken to the SOAP
* enevelope. It is a blank separated list of actions to perform.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ACTION, WSHandlerConstants.USERNAME_TOKEN);
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting)
*/
public static final String ACTION = "action";
public static final String SEND = "send";
public static final String RECEIVE = "receive";
/**
* Perform nothing.
*/
public static final String NO_SECURITY = "NoSecurity";
/**
* Perform a UsernameToken identification only.
*/
public static final String USERNAME_TOKEN = "UsernameToken";
/**
* Perform a SAML Token identification.
*/
public static final String SAML_TOKEN_UNSIGNED = "SAMLTokenUnsigned";
public static final String SAML_TOKEN_SIGNED = "SAMLTokenSigned";
/**
* Perform Signature.
* The signature specific parameters define how to sign, which keys
* to use, and so on
*/
public static final String SIGNATURE = "Signature";
/**
* Perform Encryption.
* The encryption specific parameters define how to encrypt, which keys
* to use, and so on.
*/
public static final String ENCRYPT = "Encrypt";
/**
* Add a timestamp to the security header.
*/
public static final String TIMESTAMP = "Timestamp";
/**
* Suppress the serialization of the SOAP message.
*
* Usually the handler serializes the processed SOAP message into a string
* and sets it into the Axis message context as new current message. To
* suppress this action, define this action. In this case the handler
* stores the processed SOAP message as Document in the
* Axis message context with the property name SND_SECURITY.
*
* A chained handler can retrieve the SOAP message and process it. The
* last handler in the chain must set the processed SOAP message as
* current message in Axis message context.
*/
public static final String NO_SERIALIZATION = "NoSerialization";
/**
* Use this to use a specific signature mechanism for .Net.
* This signature mechanism uses data from the username token and
* a well defined constant string and constructs a signature
* key.
*/
public static final String SIGN_WITH_UT_KEY = "UsernameTokenSignature";
/**
* This is an interal property name to support handler chaining.
* The Axis WSS4J handlers use this message context property to
* hand over the SOAP partially processed envelope document to
* the next WSS4J handler in the chain.
*/
public static final String SND_SECURITY = "SND_SECURITY";
/**
* The actor name of the wsse:Security header.
*
* If this parameter is omitted, the actor name is not set. Please
* refer to {@link org.apache.axis.Constants#ATTR_ACTOR} and {@link org.apache.axis.Constants#ATTR_ROLE}
* about the parameter names. They are set to "actor"
* and "role" respectively.
*
* The value of the actor or role has to match the receiver's setting
* or may contain standard values.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ACTOR, "ActorName");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* @see org.apache.axis.Constants#URI_SOAP11_NEXT_ACTOR
* @see org.apache.axis.Constants#URI_SOAP12_NEXT_ROLE
*/
public static final String ACTOR = "actor";
/**
* The role name of the wsse:Security header.
* This is used for SOAP 1.2. Refer also to {@link #ACTOR}.
*/
public static final String ROLE = "role";
/**
* Sets the mustUnderstand flag.
*
* If the parameter has the value 1
* or true the mustUnderstand is set.
* The values 0 or false supress the
* flag.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.MUST_UNDERSTAND, "false");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* The default setting is true
*
* Please refer to {@link org.apache.axis.Constants#ATTR_MUST_UNDERSTAND}
* about the parameter name ("mustUnderstand").
*/
public static final String MUST_UNDERSTAND = "mustUnderstand";
/**
* The user's name. It is used differently by the WS Security functions.
*
* - The UsernameToken function sets this name in the
*
UsernameToken.
*
* - The Signing function uses this name as the alias name
* in the keystore to get user's certificate and private key to
* perform signing if {@link #SIGNATURE_USER} is not used.
*
* - The encryption
* functions uses this parameter as fallback if {@link #ENCRYPTION_USER}
* is not used.
*
*
* It is also possible to set the user's name and the according password
* via the call function, for example:
*
* ...
* call.setUsername("name");
* call.setPassword("WSS4Java");
* ...
*
* The user parameter in the deployment descritor (WSDD) file overwrites
* the application's setting.
*
* For an additional way to set the password refer to
* {@link #PW_CALLBACK_CLASS} and {@link #PW_CALLBACK_REF}.
*
* If the security functions uses the username from the message context, it
* clears the username from the message context
* after they copied it. This prevents sending of the username in the
* HTTP header.
*
* In this case the HTTP authentication mechansisms do not work
* anymore. User authentication shall be done via the username token or
* the certificate verification of the signature certificate.
*/
public static final String USER = "user";
/**
* The Axis WSS4J handlers provide several ways to get the password required
* to construct a username token or to sign a message.
* In addition the callback class may check if a username/password
* combination is valid. Refer to the documentation of
* {@link org.apache.ws.security.WSPasswordCallback} for more information
* about this feature.
*
* - A class that implements a callback interface (see below). The
* handler loads this class and calls the callback method. This
* class must have a public default constructor with not parameters.
*
* - The application (or a preceeding handler) sets a reference to an
* object that implements the callback interface
*
* - The application sets the password directly using the
*
setPassword function of the Call.
*
* The callback class or callback object shall implement specific password
* getter methods, for example reading a database or directory.
*
* The handler first checks if it can get a the password via a callback
* class. If that fails it checks if it can get the password from the
* object reference, if that also fails the handler tries the password
* property.
*
* The following parameter defines a class that implements a callback
* handler interface. The handler loads the class and calls the callback
* handler method to get the password. The callback
* class needs to implement the
* {@link javax.security.auth.callback.CallbackHandler} interface.
*
* The callback function
* {@link javax.security.auth.callback.CallbackHandler#handle(javax.security.auth.callback.Callback[])}
* gets an array of {@link org.apache.ws.security.WSPasswordCallback}
* objects. Only the first entry of the array is used. This object
* contains the username/keyname as identifier. The callback handler must
* set the password or key associated with this identifier before it returns.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.PW_CALLBACK_CLASS, "PWCallbackClass");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* Refer also to comment in {@link #USER} about HTTP authentication
* functions.
*/
public static final String PW_CALLBACK_CLASS = "passwordCallbackClass";
/**
* An application may set an object reference to an object that implements
* the {@link javax.security.auth.callback.CallbackHandler} interface.
* Only the application can set this property using:
*
* call.setProperty(WSHandlerConstants.PW_CALLBACK_REF, anPWCallbackObject);
*
* Refer to {@link #PW_CALLBACK_CLASS} for further information about
* password callback handling and the priority of the different
* methods.
*
* Note: every handler that preceeds this handler in the chain can set
* this property too. This may be useful on the server side.
*/
public static final String PW_CALLBACK_REF = "passwordCallbackRef";
/**
* The user's name for encryption.
*
* The encryption functions uses the public key of this user's certificate
* to encrypt the generated symmetric key.
*
* If this parameter is not set, then the encryption
* function falls back to the {@link #USER} parameter to get the
* certificate.
*
* If only encryption of the SOAP body data is requested,
* it is recommended to use this parameter to define the username.
* The application can then use the standard user and password
* functions (see example at {@link #USER} to enable HTTP authentication
* functions.
*
* Encryption only does not authenticate a user / sender, therefore it
* does not need a password.
*
* Placing the username of the encryption certificate in the WSDD is not
* a security risk, because the public key of that certificate is used
* only.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ENCYRPTION_USER, "encryptionUser");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String ENCRYPTION_USER = "encryptionUser";
/**
* The user's name for signature.
*
* This name is used as the alias name in the keystore to get user's
* certificate and private key to perform signing.
*
* If this parameter is not set, then the signature
* function falls back to the {@link #USER} parameter.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.SIGNATURE_USER, "signatureUser");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String SIGNATURE_USER = "signatureUser";
/**
* Specifying this name as {@link #ENCRYPTION_USER}
* triggers a special action to get the public key to use for encryption.
*
* The handler uses the public key of the sender's certificate. Using this
* way to define an encryption key simplifies certificate management to
* a large extend.
*/
public static final String USE_REQ_SIG_CERT = "useReqSigCert";
/**
* This parameter works in the same way as {@link #PW_CALLBACK_CLASS} but
* the Axis WSS4J handler uses it to get the key associated with a key name.
*/
public static final String ENC_CALLBACK_CLASS = "EmbeddedKeyCallbackClass";
/**
* This parameter works in the same way as {@link #PW_CALLBACK_REF} but
* the Axis WSS4J handler uses it to get the key associated with a key name.
*/
public static final String ENC_CALLBACK_REF = "EmbeddedKeyCallbackRef";
/**
* Text of the key name that needs to be sent
*/
public static final String ENC_KEY_NAME = "EmbeddedKeyName";
/**
* The name of the crypto property file to use for SOAP Signature.
*
* The classloader loads this file. Therefore it must be accessible
* via the classpath.
*
* To locate the implementation of the
* {@link org.apache.ws.security.components.crypto.Crypto Crypto}
* interface implementation the property file must contain the property
* org.apache.ws.security.crypto.provider. The value of
* this property is the classname of the implementation class.
*
* The following line defines the standard implementation:
*
* org.apache.ws.security.crypto.provider=org.apache.ws.security.components.crypto.Merlin
*
* The other contents of the property file depend on the implementation
* of the {@link org.apache.ws.security.components.crypto.Crypto Crypto}
* interface implementation.
*
* The property file of the standard implementation
* {@link org.apache.ws.security.components.crypto.Merlin} uses
* the following properties:
*
* org.apache.ws.security.crypto.provider
* org.apache.ws.security.crypto.merlin.file
* org.apache.ws.security.crypto.merlin.keystore.type
* org.apache.ws.security.crypto.merlin.keystore.provider
* org.apache.ws.security.crypto.merlin.keystore.password
* org.apache.ws.security.crypto.merlin.keystore.alias
* org.apache.ws.security.crypto.merlin.cert.provider
*
* The entries are:
*
* -
org.apache.ws.security.crypto.provider see
* description above
*
* org.apache.ws.security.crypto.merlin.file
* The path to the keystore file. At first the classloader tries to load
* this file, if this fails the implementations performs a file system
* lookup.
* org.apache.ws.security.crypto.merlin.keystore.type
* The keystore type, for example JKS for the Java key store.
* Other keystore type, such as pkcs12 are also possible but depend
* on the actual Crypto implementation.
* org.apache.ws.security.crypto.merlin.keystore.password
* The password to read the keystore. If this property is not set, then
* the pwcallbackproperty must be defined.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.SIG_PROP_FILE, "myCrypto.properties");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* If a property file is not set and a signature is requested,
* the handler throws an AxisFault.
*/
public static final String SIG_PROP_FILE = "signaturePropFile";
/**
* The key that hold the refernce of the java.util.Properties
* object holding complete info about signature Crypto implementation.
* This should contain all information that would contain in an equivalent
* .properties file which includes the Crypto implementation class name.
*
* Refer to documentation of {@link #SIG_PROP_FILE}.
*/
public final static String SIG_PROP_REF_ID = "SignaturePropRefId";
/**
* The WSDoAllReceiver handler stores a result Vector
* in this property.
*
* The vector contains WSDoAllReceiverResult objects
* for each chained WSDoAllReceiver handler.
*/
public static final String RECV_RESULTS = "RECV_RESULTS";
/**
* The name of the crypto propterty file to use for SOAP Decryption.
*
* Refer to documentation of {@link #SIG_PROP_FILE}.
*
* Refer to {@link #SIG_PROP_FILE} for a detail description
* about the format and how to use this property file.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.DEC_PROP_FILE, "myCrypto.properties");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* If this parameter is not used, but the signature crypto property
* file is defined (combined Encryption/Signature action), then the
* encryption function uses that file. Otherwise the handler throws
* an AxisFault.
*/
public static final String DEC_PROP_FILE = "decryptionPropFile";
/**
* The key that hold the refernce of the java.util.Properties
* object holding complete info about decryption Crypto implementation. This
* should contain all information that would contain in an equivalent
* .properties file which includes the Crypto implementation class name.
*
* Refer to documentation of {@link #DEC_PROP_FILE}.
*/
public final static String DEC_PROP_REF_ID = "decryptionPropRefId";
/**
* Specific parameter for UsernameToken action to define the encoding
* of the password.
*
* The parameter can be set to either {@link WSConstants#PW_DIGEST}
* or to {@link WSConstants#PW_TEXT}.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.PASSWORD_TYPE, WSConstants.PW_DIGEST);
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* The default setting is PW_DIGEST.
*/
public static final String PASSWORD_TYPE = "passwordType";
/**
* This variable controls whether types other than PasswordDigest or PasswordText
* are allowed when processing UsernameTokens.
*
* By default this is set to false so that the user doesn't have to explicitly
* reject custom token types in the callback handler.
*/
public static final String HANDLE_CUSTOM_PASSWORD_TYPES = "handleCustomPasswordTypes";
/**
* This variable controls whether (wsse) namespace qualified password types are
* accepted when processing UsernameTokens.
*
* By default this is set to false.
*/
public static final String ALLOW_NAMESPACE_QUALIFIED_PASSWORD_TYPES
= "allowNamespaceQualifiedPasswordTypes";
/**
* Parameter to generate additional elements in UsernameToken.
*
* The value of this parameter is a list of element names that are added
* to the UsernameToken. The names of the list a separated by spaces.
*
* The list may containe the names nonce and
* created only. Use this option if the password type is
* passwordText and the handler shall add the Nonce
* and/or Created elements.
*/
public static final String ADD_UT_ELEMENTS = "addUTElements";
/**
* Defines which key identifier type to use. The WS-Security specifications
* recommends to use the identifier type IssuerSerial. For
* possible signature key identifier types refer to
* {@link #keyIdentifier}. For signature IssuerSerial
* and DirectReference are valid only.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.SIG_KEY_ID, "DirectReference");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String SIG_KEY_ID = "signatureKeyIdentifier";
/**
* Defines which signature algorithm to use.
*
* The application may set this parameter using the following method:
*
* call.setProperty(
* WSHandlerConstants.SIG_ALGO,
* "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"
* );
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String SIG_ALGO = "signatureAlgorithm";
/**
* Defines which signature digest algorithm to use.
*
* The application may set this parameter using the following method:
*
* call.setProperty(
* WSHandlerConstants.SIG_DIGEST_ALGO, "http://www.w3.org/2001/04/xmlenc#sha256"
* );
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String SIG_DIGEST_ALGO = "signatureDigestAlgorithm";
/**
* Parameter to define which parts of the request shall be signed.
*
* Refer to {@link #ENCRYPTION_PARTS} for a detailed description of
* the format of the value string.
*
* If this parameter is not specified the handler signs the SOAP Body
* by default.
*
* The WS Security specifications define several formats to transfer the
* signature tokens (certificates) or references to these tokens.
* Thus, the plain element name Token
* signs the token and takes care of the different format.
*
* To sign the SOAP body and the signature token the value of this
* parameter must contain:
*
* <parameter name="signatureParts"
* value="{}{http://schemas.xmlsoap.org/soap/envelope/}Body; Token" />
*
* To specify an element without a namespace use the string
* Null as the namespace name (this is a case sensitive
* string)
*
* If there is no other element in the request with a local name of
* Body then the SOAP namespace identifier can be empty
* ({}).
*/
public static final String SIGNATURE_PARTS = "signatureParts";
/**
* The name of the crypto propterty file to use for SOAP Encryption.
*
* Refer to documentation of {@link #SIG_PROP_FILE}.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ENC_PROP_FILE, "myCrypto.properties");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*
* If this parameter is not used, but the signature crypto property
* file is defined (combined Encryption/Signature action), then the
* encryption function uses signature property file. Otherwise the
* handler throws an AxisFault.
*/
public static final String ENC_PROP_FILE = "encryptionPropFile";
/**
* The key that hold the refernce of the
* java.util.Properties object holding complete info about
* encryption Crypto implementation. This should contain all information
* that would contain in an equivalent .properties file which includes the
* Crypto implementation class name.
*
* Refer to documentation of {@link #DEC_PROP_FILE}.
*/
public final static String ENC_PROP_REF_ID = "encryptionPropRefId";
/**
* Defines which key identifier type to use. The WS-Security specifications
* recommends to use the identifier type IssuerSerial. For
* possible encryption key identifier types refer to
* {@link #keyIdentifier}. For encryption IssuerSerial,
* X509KeyIdentifier, DirectReference,
* Thumbprint, SKIKeyIdentifier, and
* EmbeddedKeyName are valid only.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ENC_KEY_ID, "X509KeyIdentifier");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String ENC_KEY_ID = "encryptionKeyIdentifier";
/**
* Defines which symmetric encryption algorithm to use. WSS4J supports the
* following alorithms: {@link WSConstants#TRIPLE_DES},
* {@link WSConstants#AES_128}, {@link WSConstants#AES_256},
* and {@link WSConstants#AES_192}. Except for AES 192 all of these
* algorithms are required by the XML Encryption specification.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ENC_SYM_ALGO, WSConstants.AES_256);
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String ENC_SYM_ALGO = "encryptionSymAlgorithm";
/**
* Defines which algorithm to use to encrypt the generated symmetric key.
* Currently WSS4J supports {@link WSConstants#KEYTRANSPORT_RSA15} only.
*
* The application may set this parameter using the following method:
*
* call.setProperty(WSHandlerConstants.ENC_KEY_TRANSPORT, "RSA15");
*
* However, the parameter in the WSDD deployment file overwrites the
* property setting (deployment setting overwrites application setting).
*/
public static final String ENC_KEY_TRANSPORT =
"encryptionKeyTransportAlgorithm";
/**
* Parameter to define which parts of the request shall be encrypted.
*
* The value of this parameter is a list of semi-colon separated
* element names that identify the elements to encrypt. An encryption mode
* specifier and a namespace identification, each inside a pair of curly
* brackets, may preceed each element name.
*
* The encryption mode specifier is either {Content} or
* {Element}. Please refer to the W3C XML Encryption
* specification about the differences between Element and Content
* encryption. The encryption mode defaults to Content
* if it is omitted. Example of a list:
*
* <parameter name="encryptionParts"
* value="{Content}{http://example.org/paymentv2}CreditCard;
* {Element}{}UserName" />
*
* The the first entry of the list identifies the element
* CreditCard in the namespace
* http://example.org/paymentv2, and will encrypt its content.
* Be aware that the element name, the namespace identifier, and the
* encryption modifier are case sensitive.
*
* The encryption modifier and the namespace identifier can be ommited.
* In this case the encryption mode defaults to Content and
* the namespace is set to the SOAP namespace.
*
* An empty encryption mode defaults to Content, an empty
* namespace identifier defaults to the SOAP namespace.
* The second line of the example defines Element as
* encryption mode for an UserName element in the SOAP
* namespace.
*
* To specify an element without a namespace use the string
* Null as the namespace name (this is a case sensitive
* string)
*
* If no list is specified, the handler encrypts the SOAP Body in
* Content mode by default.
*/
public static final String ENCRYPTION_PARTS = "encryptionParts";
/**
* The name of the SAML Issuer factory property file.
* The classloader loads this file. Therefore it must be accessible
* via the classpath.
*/
public static final String SAML_PROP_FILE = "samlPropFile";
/**
* Time-To-Live is the time difference between creation and expiry time in
* the WSS Timestamp.
* The time-to-live in seconds. After this time the SOAP request is
* invalid (at least the security data shall be treated this way).
*
* If this parameter is not defined, contains a value less or equal
* zero, or an illegal format the handlers use a default TTL of
* 300 seconds (5 minutes).
*/
public static final String TTL_TIMESTAMP = "timeToLive";
/**
* Whether to enable signatureConfirmation or not
* By default signatureConfirmation is enabled
*/
public static final String ENABLE_SIGNATURE_CONFIRMATION = "enableSignatureConfirmation";
/**
* Should timestamps have precision in milliseconds
*/
public static final String TIMESTAMP_PRECISION = "precisionInMilliseconds";
/**
* Set the value of this parameter to true to enable strict timestamp
* handling.
*
* Strict Timestamp handling: throw an exception if a Timestamp contains
* an Expires element and the semantics of the request are
* expired, i.e. the current time at the receiver is past the expires time.
*/
public static final String TIMESTAMP_STRICT = "timestampStrict";
/**
* Define the parameter values to set the key identifier types. These are:
*
* DirectReference for {@link WSConstants#BST_DIRECT_REFERENCE}
* IssuerSerial for {@link WSConstants#ISSUER_SERIAL}
* X509KeyIdentifier for {@link WSConstants#X509_KEY_IDENTIFIER}
* SKIKeyIdentifier for {@link WSConstants#SKI_KEY_IDENTIFIER}
* EmbeddedKeyName for {@link WSConstants#EMBEDDED_KEYNAME}
* Thumbprint for {@link WSConstants#THUMBPRINT}
*