60 lines
1.8 KiB
C#
60 lines
1.8 KiB
C#
using System.Diagnostics;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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namespace RevokeMsgPatcher.Utils
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{
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public class FileUtil
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{
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/// <summary>
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/// 获取文件版本
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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public static string GetFileVersion(string path)
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{
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FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(path);
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return fileVersionInfo.FileVersion;
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}
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/// <summary>
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/// 计算文件SHA1
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/// </summary>
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/// <param name="s">文件路径</param>
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/// <returns></returns>
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public static string ComputeFileSHA1(string s)
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{
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FileStream file = new FileStream(s, FileMode.Open);
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SHA1 sha1 = new SHA1CryptoServiceProvider();
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byte[] retval = sha1.ComputeHash(file);
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file.Close();
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StringBuilder sc = new StringBuilder();
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for (int i = 0; i < retval.Length; i++)
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{
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sc.Append(retval[i].ToString("x2"));
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}
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return sc.ToString();
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}
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/// <summary>
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/// 修改文件指定位置的字节
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/// </summary>
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/// <param name="path">WeChatWin.dll 的路径</param>
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/// <param name="position">偏移位置</param>
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/// <param name="after">修改后的值</param>
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/// <returns></returns>
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public static bool EditHex(string path, long position, byte after)
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{
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using (var stream = new FileStream(path, FileMode.Open, FileAccess.ReadWrite))
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{
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stream.Position = position;
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stream.WriteByte(after);
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}
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return true;
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}
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}
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}
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