AuthenticationHandler (Security Core Classes 6.2.0 API)

```
public interface AuthenticationHandler
```
This interface is used by the Authentication Service to have the Principal authenticated by the realm. A realm provides an implementation of this interface.

Author:

Harish Prabandham, Harpreet Singh

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`doAuthentication(String principalName, byte[] authData)`	This method authenticates the given principal using the specified authentication data and the Principal's Credentials.
`Realm`	`getRealm()`	Returns the Realm that this Authentication Handler is authenticating in.

- Method Detail
  - getRealm
```
Realm getRealm()
```
    Returns the Realm that this Authentication Handler is authenticating in.
    
    Returns:
    
    The Realm object in which this handler is authenticating in.
  - doAuthentication
```
boolean doAuthentication(String principalName,
                         byte[] authData)
```
    This method authenticates the given principal using the specified authentication data and the Principal's Credentials. The result of the authentication is returned back.
    
    Parameters:
    
    The - principal (user) being authenticated.
    
    The - data needed for authentication.
    
    Returns:
    
    boolean denoting true for success and false for failure authentication.