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using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.IO;
using System;
using UnityEngine;
public class FileUtil {
public static string GetMD5Hash(byte[] data)
{
string strHash = "";
using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
{
byte[] bytesHash = md5.ComputeHash(data);
strHash = BitConverter.ToString(bytesHash);
strHash = strHash.Replace("-", "");
}
return strHash.ToLower();
}
public static string GetMD5Hash(string pathName)
{
if (!File.Exists(pathName))
{
Debug.LogError("GetMD5Hash Error, file not exist: " + pathName);
return "";
}
string strResult = "";
string strHash = "";
byte[] bytesHash;
FileStream fs = null;
using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
{
try
{
fs = new FileStream(pathName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
bytesHash = md5.ComputeHash(fs);
fs.Close();
strHash = BitConverter.ToString(bytesHash);
strHash = strHash.Replace("-", "");
strResult = strHash;
}
catch (System.Exception ex)
{
Debug.LogError("read md5 file error :" + pathName + " e: " + ex.ToString());
}
}
return strResult.ToLower();
}
}
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