<message>
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<message> element of <netTcpBinding>

 

Defines the type of message-level security requirements for an endpoint configured with the <netTcpBinding>.

<system.ServiceModel>
<bindings>
<netTcpBinding>
<binding>
<security>
<message>


<message 
      algorithmSuite=System.Servicemodel.Security.SecurityAlgorithmsuite
    clientCredentialType="None/Windows/UserName/Certificate/IssuedToken"/>

Attributes and Elements

The following sections describe attributes, child elements, and parent elements.

Attributes

Attribute

Description

algorithmSuite

Sets the message encryption and key-wrap algorithms. The algorithms and the key sizes are determined by the SecurityAlgorithmSuite class. These algorithms map to those specified in the Security Policy Language (WS-SecurityPolicy) specification.

Possible values are shown in the following table. The default value is Basic256.

If the service binding specifies an algorithmSuite value that is not equal to the default, and you generate the configuration file using Svcutil.exe, then it is not generated correctly, and you must manually edit the configuration file to set this attribute to the desired value.

clientCredentialType

Specifies the type of credential to be used when performing client authentication using Message-based security. Possible values are shown in the following table. The default value is UserName. This attribute is of type MessageCredentialType.

algorithmSuite Attribute

Value

Description

Basic128

Use Aes128 encryption, Sha1 for message digest, and Rsa-oaep-mgf1p for key wrap.

Basic192

Use Aes192 encryption, Sha1 for message digest, Rsa-oaep-mgf1p for key wrap.

Basic256

Use Aes256 encryption, Sha1 for message digest, Rsa-oaep-mgf1p for key wrap.

Basic256Rsa15

Use Aes256 for message encryption, Sha1 for message digest and Rsa15 for key wrap.

Basic192Rsa15

Use Aes192 for message encryption, Sha1 for message digest and Rsa15 for key wrap.

TripleDes

Use TripleDes encryption, Sha1 for message digest, Rsa-oaep-mgf1p for key wrap.

Basic128Rsa15

Use Aes128 for message encryption, Sha1 for message digest and Rsa15 for key wrap.

TripleDesRsa15

Use TripleDes encryption, Sha1 for message digest and Rsa15 for key wrap.

Basic128Sha256

Use Aes256 for message encryption, Sha256 for message digest and Rsa-oaep-mgf1p for key wrap.

Basic192Sha256

Use Aes192 for message encryption, Sha256 for message digest and Rsa-oaep-mgf1p for key wrap.

Basic256Sha256

Use Aes256 for message encryption, Sha256 for message digest and Rsa-oaep-mgf1p for key wrap.

TripleDesSha256

Use TripleDes for message encryption, Sha256 for message digest and Rsa-oaep-mgf1p for key wrap.

Basic128Sha256Rsa15

Use Aes128 for message encryption, Sha256 for message digest and Rsa15 for key wrap.

Basic192Sha256Rsa15

Use Aes192 for message encryption, Sha256 for message digest and Rsa15 for key wrap.

Basic256Sha256Rsa15

Use Aes256 for message encryption, Sha256 for message digest and Rsa15 for key wrap.

TripleDesSha256Rsa15

Use TripleDes for message encryption, Sha256 for message digest and Rsa15 for key wrap.

clientCredentialType Attribute

Value

Description

None

This allows the service to interact with anonymous clients. On the service, this indicates that the service does not require any client credential. On the client, this indicates that the client does not provide any client credential.

Windows

Allows the SOAP exchanges to be under the authenticated context of a Windows credential.

UserName

Allows the service to require that the client be authenticated using a UserName credential. WCF does not support sending a password digest or deriving keys using password and using such keys for message security. As such, WCF enforces that the transport is secured when using UserName credentials. This credential mode results in either an interoperable exchange or a non-interoperable negotiation based on the negotiateServiceCredential attribute.

Certificate

Allows the service to require that the client be authenticated using a certificate. If message security mode is used and the negotiateServiceCredential attribute is set to false, the client must be provisioned with the service certificate.

IssuedToken

Specifies a custom token, usually issued by a Security Token Service (STS).

Child Elements

None

Parent Elements

Element

Description

<security> of <netTcpBinding>

Defines the security capabilities for the NetTcpBindingElement.

Message uses message-level security for the integrity and confidentiality of the SOAP message, and for mutual authentication of the communication peers. If this security mode is selected on a binding, the channel stack is configured with message security binding elements and the SOAP messages are secured in compliance with WS-Security* standards.

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