add sshkeygen function

modules/ssh-utils.mod

@@ -49,9 +49,9 @@ sshkeygen () {
   shift $((OPTIND - 1))
 
   [[ ! $1 ]] && echo must supply a private key name && return 1
-  [[ $2 ]] && pass="-P $2" || echo warning, you creating an unencrypted key without a passphrase
+  [[ $2 ]] && pass="-P $2" || echo warning, you are creating an unencrypted key without a passphrase
 
- ssh-keygen -f $1 -t ecdsa -b 521 -C $1 $pass $pem
+ ssh-keygen -f $1 $encode -b 521 -C $1 $pass $pem
 
 }