package com.keuin.kbackupfabric.util; import java.nio.charset.StandardCharsets; public class BytesUtil { private static final byte[] HEX_ARRAY = "0123456789ABCDEF".getBytes(StandardCharsets.US_ASCII); public static String bytesToHex(byte[] bytes) { byte[] hexChars = new byte[bytes.length * 2]; for (int j = 0; j < bytes.length; j++) { int v = bytes[j] & 0xFF; hexChars[j * 2] = HEX_ARRAY[v >>> 4]; hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F]; } return new String(hexChars, StandardCharsets.UTF_8); } }