ssh crypto settings from bettercrypto.org

src/freedombone-utils-ssh

 
 SSH_PORT=2222
 
-# Settings from bettercrypto.org
-SSH_CIPHERS="aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes128-ctr"
+# Settings from bettercrypto.org openssh 6.6+
+SSH_CIPHERS="chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes128-ctr"
 SSH_MACS="hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160"
-SSH_KEX="diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1"
+SSH_KEX="curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1"
 SSH_HOST_KEY_ALGORITHMS="ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-rsa-cert-v00@openssh.com,ssh-ed25519,ssh-rsa"
 
 function configure_ssh {