opensim/OpenSim/Services/Interfaces/IAuthenticationService.cs

/*
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using System;
using OpenMetaverse;

namespace OpenSim.Services.Interfaces
{
    // Generic Authentication service used for identifying
    // and authenticating principals.
    // Principals may be clients acting on users' behalf,
    // or any other components that need 
    // verifiable identification.
    //
    public interface IAuthenticationService
    {
        // Check the pricipal's password
        //
        bool Authenticate(UUID principalID, string password);

        // Get a service key given that principal's 
        // authentication token (master key). 
        //
        string GetKey(UUID principalID, string authToken);

        // Verify that a principal key is valid
        //
        bool VerifyKey(UUID principalID, string key);

        // Create a new user session. If one exists, it is cleared
        // 
        UUID AllocateUserSession(UUID userID);

        // Verify that a user session ID is valid. A session ID is
        // considered valid when a user has successfully authenticated
        // at least one time inside that session.
        //
        bool VerifyUserSession(UUID principalID, UUID session);

        // Remove a user session identifier and deauthenticate the user
        //
        void DestroyUserSession(UUID principalID);
    }
}