anchor.diff:  %%
   %% %CopyrightBegin%
   %%
  -%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
  +%% Copyright Ericsson AB 2007-2014 All Rights Reserved.
   %%
   %% The contents of this file are subject to the Erlang Public License,
   %% Version 1.1, (the "License"); you may not use this file except in
  
positive.code: is_valid_extkey_usage(KeyUse, server) ->
      %% Server wants to verify client
      is_valid_key_usage(KeyUse, ?'id-kp-clientAuth').
  
negative.code:     IsIssuerFun = fun({_Key, {_Der, #'OTPCertificate'{} = ErlCertCandidate}}, Acc) ->
  			  case public_key:pkix_is_issuer(OtpCert, ErlCertCandidate) of
  			      true ->
  				  case verify_cert_signer(OtpCert, ErlCertCandidate#'OTPCertificate'.tbsCertificate) of
  				      true ->
  					  throw(public_key:pkix_issuer_id(ErlCertCandidate, self));
  				      false ->
  					  Acc
  				  end;
  			      false ->
  				  Acc
  			  end;
  