import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
class Main {
public static void main(String[] args) {
try {
System.out.println(sha256("123456"));
} catch (Exception e) {
e.printStackTrace();
}
}
public static String sha256(String input) throws NoSuchAlgorithmException {
MessageDigest mDigest = MessageDigest.getInstance("SHA-256");
byte[] result = mDigest.digest(input.getBytes());
StringBuilder sb = new StringBuilder();
for (byte b : result) {
sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
}
return sb.toString();
}
}
