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Alex Rivera
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how I can calculate MD5 hash for a file that is open or used by a process? the files can be txt or and exe my current code return error for an exe because it is running here is my current code public static string GetMd5HashFromFile(string fileName) { FileStream file = new FileStream(fileName, FileMode.Open); MD5 md5 = new MD5CryptoServiceProvider(); byte[] retVal = md5.ComputeHash(file); file.Close(); StringBuilder sb = new StringBuilder(); for (int i = 0; i < retVal.Length; i++) { sb.Append(retVal[i].ToString("x2")); } return sb.ToString(); } Cheers.
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