anchor.diff:  		  cookie = Random,
   		  kex_algorithms = ["diffie-hellman-group1-sha1"],
   		  server_host_key_algorithms = HostKeyAlgs,
  -		  encryption_algorithms_client_to_server = ["aes128-cbc","3des-cbc"],
  -		  encryption_algorithms_server_to_client = ["aes128-cbc","3des-cbc"],
  -		  mac_algorithms_client_to_server = ["hmac-sha1"],
  -		  mac_algorithms_server_to_client = ["hmac-sha1"],
  +		  encryption_algorithms_client_to_server = ["aes128-ctr","aes128-cbc","3des-cbc"],
  +		  encryption_algorithms_server_to_client = ["aes128-ctr","aes128-cbc","3des-cbc"],
  +		  mac_algorithms_client_to_server = ["hmac-sha2-256","hmac-sha1"],
  +		  mac_algorithms_server_to_client = ["hmac-sha2-256","hmac-sha1"],
   		  compression_algorithms_client_to_server = Compression,
   		  compression_algorithms_server_to_client = Compression,
   		  languages_client_to_server = [],
  
positive.code:             encrypt_ctx = IV0} = Ssh, Data) ->
      Enc = crypto:block_encrypt(aes_cbc128, K,IV0,Data),
      IV = crypto:next_iv(aes_cbc, Enc),
      {Ssh#ssh{encrypt_ctx = IV}, Enc}.
    
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
negative.code: mac_key_size('hmac-sha1-96') -> 20*8;
  mac_key_size('hmac-md5')     -> 16*8;
  mac_key_size('hmac-md5-96')  -> 16*8;
  mac_key_size('hmac-sha2-256')-> 32*8;
  mac_key_size(none) -> 0.
  
  mac_digest_size('hmac-sha1')    -> 20;
  mac_digest_size('hmac-sha1-96') -> 12;
  mac_digest_size('hmac-md5')    -> 20;
  mac_digest_size('hmac-md5-96') -> 12;
  mac_digest_size('hmac-sha2-256') -> 32;
  mac_digest_size(none) -> 0.
  
  peer_name({Host, _}) ->
  