anchor.diff:  
   openssh_pubkey_decode(Type,  Base64Enc) ->
       try
  -        <<?DEC_BIN(Type,_TL), Bin/binary>> = base64:mime_decode(Base64Enc),
  +        <<?DEC_BIN(Type,_TL), Bin/binary>> = ?b64mime_dec(Base64Enc),
   	ssh2_pubkey_decode(Type,  Bin)
       catch
   	_:_ ->
  -	    {Type, base64:mime_decode(Base64Enc)}
  +	    {Type, ?b64mime_dec(Base64Enc)}
       end.
   
   
  
positive.code: 
  openssh_ssh2_know_hosts_encode(Hostnames, Key, Comment) ->
      iolist_to_binary([comma_list_encode(Hostnames, []), " ",
  			     key_type(Key)," ",  base64:encode(ssh2_pubkey_encode(Key)), line_end(Comment)]).
  
  openssh_ssh1_known_hosts_encode(Hostnames, Bits,
  				#'RSAPublicKey'{modulus = N, publicExponent = E},
  
negative.code:     end.
  
  openssh_ssh2_auth_keys_encode(undefined, Key, Comment) ->
      iolist_to_binary([key_type(Key)," ",  ?b64enc(ssh2_pubkey_encode(Key)), line_end(Comment)]);
  openssh_ssh2_auth_keys_encode(Options, Key, Comment) ->
      iolist_to_binary([comma_list_encode(Options, []), " ",
  			     key_type(Key)," ", ?b64enc(ssh2_pubkey_encode(Key)), line_end(Comment)]).
  
  openssh_ssh1_auth_keys_encode(undefined, Bits,
  			      #'RSAPublicKey'{modulus = N, publicExponent = E},
  