val text = "1234567890";
val charset: Charset = Charsets.UTF_8
val md = MessageDigest.getInstance("SHA-512")
val digest = md.digest(text.toByteArray(charset))
val result = digest.toString(charset)

var text = "1234567890";
var bytes1 = utf8.encode(text);
var digest1 = sha512.convert(bytes1);
var result = digest1.toString();