[Fix Pack 11 or later]

Generic security token login module for the token consumer

When a Web service message is received, the application server calls the generic security token login module for the token consumer as part of the Web services security authentication process.

The login module delegates the token validation process to the WS-Trust service using WS-Trust Validate. The WS-Trust Security Token Service processes the request and returns a RequestSecurityTokenResponse message to login module, which might contain a new security token or validation status code only. The returned token from the WS-Trust Security Token Service or the original received token is the caller token if the caller token is required.

If the trust service call returns an invalid status code or an error, the token validation process fails and the login module produces a LoginException exception.

The login module, and its use of the WS-Trust Service, permits the following actions:

The Java™ Authentication and Authorization Service (JAAS) login configuration name is wss.consume.issuedToken, and the callback handler class name is com.ibm.websphere.wssecurity.callbackhandler.GenericIssuedTokenConsumeCallbackHandler.

Supported token types

The receiving token must have a ValueType value that the designated trust service can handle and exchange. The valid token ValidType value might be a known token type that is supported by system default login modules. The valid incoming tokens can be a user name token, an XML token, or a binary security token, including the following token types:
  • Security Assertion Markup Language (SAML) 2.0
  • SAML 1.1
  • SAML 1.0
  • Username
  • PassTicket
  • Kerberos
  • Lightweight Third Party Authentication (LTPA)
  • Tivoli® Access Manager credential
However, if WS-Trust Validate does not complete the token exchange and returns a validation status code only, the incoming token type must be one of following token types:
  • SAML 2.0
  • SAML 1.1
  • Username
  • Kerberos
  • LTPA v2
  • LTPA
Also, the return token value type from WS-Trust call must be one of the previous token types.
Supported configurations:
  • The received token that is sent by the requesting party is the token that is specified in the policy.
  • You can use this token for authentication only. You can use this token as a protection token.
sptcfg

Policy sets

The implementation of the generic security token login module in a policy set does not involve a new token type. For example, if you plan to use a generic security token login module to generate a user name token, you can create a policy set that specifies a user name token as an authentication token. Some custom token types are not supported by the existing default system login modules. However, you can implement these token types using custom login modules. These custom token types are supported by generic security token login modules if they are supported by the designated trust services.

Bindings

When you configure bindings for an authentication token, you have the following options:
  • Use a generic login module.
  • Use an existing system default login module.
  • Create your own custom login module.

For example, if you configure a user name token, you can use the wss.consume.unt JAAS login configuration and maintain the existing behavior. However, you can configure the wss.consume.issuedToken JAAS login to use the generic login module.




Related concepts
Generic security token login modules
Generic security token login module for the token generator
Related tasks
Configuring a generic security token login module for an authentication token: Token consumer
Enable the system configuration for generic login modules
Concept topic    

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Last updated: Oct 21, 2010 3:36:59 AM CDT
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