File : aws-digest.ads


------------------------------------------------------------------------------

--                              Ada Web Server                              --

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--                         Copyright (C) 2000-2003                          --

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--  Authors: Dmitriy Anisimkov - Pascal Obry                                --

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--  $Id: aws-digest.ads,v 1.1 2003/10/05 19:59:54 Jano Exp $


--  Some utilities for http digest authentication.


with MD5;

package AWS.Digest is

   subtype Digest_String is MD5.Digest_String;

   function Create_Nonce return String;
   --  Create a Nonce value for the digest authentication

   --  see [RFC-2617 - 3.2.1]


   function Check_Nonce (Value : in String) return Boolean;
   --  Check Nonce for validity and expiration.


   function Create_Digest
     (Username, Realm, Password : in String;
      Nonce                     : in String;
      Method, URI               : in String)
      return Digest_String;
   --  Returns a simple MD5 Digest.


   function Create_Digest
     (Username, Realm, Password : in String;
      Nonce, NC, CNonce, QOP    : in String;
      Method, URI               : in String)
      return Digest_String;
   --  Returns a more complex MD5 Digest.


end AWS.Digest;