如何 使 Java、C# md5 加密的值保持一致

package com.vipsoft.core.util;
import java.security.MessageDigest;
public class Md5Helper {
    public static final String EMPTY_STRING = "";
    private final static String[] hexDigits = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
    private static String byteToHexString(byte b) {
        int n = b;
        if (n < 0) {
            n = 256 + n;
        }
        int d1 = n / 16;
        int d2 = n % 16;
        return hexDigits[d1] + hexDigits[d2];
    }
    private static String byteArrayToHexString(byte[] b) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < b.length; i++) {
            sb.append(byteToHexString(b[i]));
        }
        return sb.toString();
    }
    public static String MD5Encode(String origin) {
        String result = null;
        try {
            result = origin;
            MessageDigest md = MessageDigest.getInstance("MD5");
            result = byteArrayToHexString(md.digest(result.getBytes("UTF-8")));
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return result;
    }
}

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
namespace VipSoft.Core
{
    public class Md5Helper
    {
        public static string MD5Encode(string origin)
        {
            var md5 = new MD5CryptoServiceProvider();
            byte[] clearBytes = System.Text.Encoding.UTF8.GetBytes(origin);
            byte[] targetData = md5.ComputeHash(clearBytes);
            string byte2String = BitConverter.ToString(targetData); 
            return byte2String.Replace("-","").ToLower();
        }
    }
}

package java.nio.charset;
/**
 * Constant definitions for the standard {@link Charset Charsets}. These
 * charsets are guaranteed to be available on every implementation of the Java
 * platform.
 *
 * @see <a href="Charset#standard">Standard Charsets</a>
 * @since 1.7
 */
public final class StandardCharsets {
    private StandardCharsets() {
        throw new AssertionError("No java.nio.charset.StandardCharsets instances for you!");
    }
    /**
     * Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the
     * Unicode character set
     */
    public static final Charset US_ASCII = Charset.forName("US-ASCII");
    /**
     * ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1
     */
    public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
    /**
     * Eight-bit UCS Transformation Format
     */
    public static final Charset UTF_8 = Charset.forName("UTF-8");
    /**
     * Sixteen-bit UCS Transformation Format, big-endian byte order
     */
    public static final Charset UTF_16BE = Charset.forName("UTF-16BE");
    /**
     * Sixteen-bit UCS Transformation Format, little-endian byte order
     */
    public static final Charset UTF_16LE = Charset.forName("UTF-16LE");
    /**
     * Sixteen-bit UCS Transformation Format, byte order identified by an
     * optional byte-order mark
     */
    public static final Charset UTF_16 = Charset.forName("UTF-16");
}