Network Deployment (Distributed operating systems), v8.0 > Develop and deploying applications > Develop web services - Security (WS-Security) > Configure Web Services Security during application assembly > Configure XML digital signature for v5.x web services with an assembly tool


Secure web services for v5.x applications using XML digital signature

XML digital signature is one of the methods WAS provides to secure your web services. It provides message integrity and authentication capabilities when used with SOAP messages.

There is an important distinction between Version 5.x and v6.0.x and later applications. The information in this article supports v5.x applications only that are used with WAS Version 6.0.x and later. The information does not apply to Version 6.0.x and later applications.

WAS provides several different methods to secure your web services; XML digital signature is one of these methods. We can secure your web services by using any of the following methods:

XML digital signature provides both message integrity and authentication capabilities when it is used with SOAP messages. A message receiver can verify that attackers or accidents have not altered parts of the message after the message was signed by a key. If a message has a digital certificate issued by a certificate authority (CA) and a signature in the message is validated successfully by a public key in the certificate, it is proof that the signer has the corresponding private key.

To use XML digital signature to secure web services...


Procedure

  1. Define the security constraints or extensions.

    To configure the security constraints, use an assembly tool. See the related information on Assembly Tools.

    1. Configure the client to digitally sign a message request. To configure the client, complete the following steps to specify which parts of the SOAP message to digitally sign and define the method used to digitally sign the message. The client in these steps is the request sender.

      1. Specify the message parts by following the steps found in Configure the client for request signing: digitally signing message parts.

      2. Select the method used to digitally sign the request message. We can select the digital signature method by following the steps in Configure the client for request signing: choosing the digital signature method.

    2. Configure the server to verify the digital signature used in the message request.

      To configure the server, specify which parts of the SOAP message, sent by the request sender, contain digitally signed information and which method was used to digitally sign the message. The settings chosen for the request receiver, or the server in this step, must match the settings chosen for the request sender in the previous step.

      1. Define the message parts by following the steps found in Configure the server for request digital signature verification: Verifying the message parts.

      2. Select the same method used by the request sender to digitally sign the message. We can select the digital signature method by following the steps in Configure the server for request digital signature verification: choosing the verification method

    3. Configure the server to digitally sign a message response. To configure the server, complete the following steps to specify which parts of the SOAP message to digitally sign and define the method used to digitally sign the message. The sender in these steps is the response sender.

      1. Specify which message parts to digitally sign by following the steps found in Configure the server for response signing: digitally signing message parts.

      2. Select the method used to digitally sign the response message. We can select the digital signature method by following the steps in Configure the server for response signing: choosing the digital signature method

    4. Configure the client to verify the digital signature used in the message response.

      To configure the client, specify which parts of the SOAP message sent by the response sender contain digitally signed information and which method was used to digitally sign the message. The settings chosen for the response receiver, or client in this step, must match the settings chosen for the response sender in the previous step.

      1. Define the message parts by following the steps found in Configure the client for response digital signature verification: verifying the message parts

      2. Select the same method used by the response sender to digitally sign the message. We can select the digital signature method by following the steps in Configure the client for response digital signature verification: choosing the verification method

  2. Define the client security bindings.

    To configure the client security bindings, complete the steps in either of the following topics:

  3. Define the server security bindings.

    To configure the server security bindings, complete the steps in either of the following topics:


Results

After completing these steps, we have secured your web services using XML digital signature.


Related


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Default binding
ws-security.xml file - Default configuration for WAS ND
Trust anchors
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Collection certificate store
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Configure the client-side collection certificate store
Configure the server-side collection certificate store using an assembly tool
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Key locator
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Web Services Security service provider programming interfaces
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Configure server and cell level key locators
Trusted ID evaluator
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Configure the client for request signing: digitally signing message parts
Configure the client for request signing: choosing the digital signature method
Configure the server for request digital signature verification: Verifying the message parts
Configure the server for request digital signature verification: choosing the verification method
Configure the server for response signing: digitally signing message parts
Configure the server for response signing: choosing the digital signature method
Configure the client for response digital signature verification: verifying the message parts
Configure the client for response digital signature verification: choosing the verification method
Configure the client security bindings using an assembly tool
Configure the security bindings on a server acting as a client
Configure the server security bindings using an assembly tool
Configure the server security bindings
Secure web services
Overview of token types
Assembly tools

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