package app;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class Main
{
public static void main(String[] args) throws NoSuchAlgorithmException
{
String text = "Hello";
MessageDigest crypt = MessageDigest.getInstance("SHA-256");
crypt.update(text.getBytes(StandardCharsets.UTF_8));
byte[] bytes = crypt.digest();
BigInteger bi = new BigInteger(1, bytes);
String digest = String.format("%0" + (bytes.length << 1) + "x", bi);
System.out.println(digest);
}
}
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