C#获取字符串的MD5值

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private string GetMd5(string input) {     // Create a new instance of the MD5CryptoServiceProvider object.     MD5 md5Hasher = MD5.Create();         // Convert the input string to a byte array and compute the hash.     byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));         // Create a new Stringbuilder to collect the bytes     // and create a string.     StringBuilder sBuilder = new StringBuilder();         // Loop through each byte of the hashed data     // and format each one as a hexadecimal string.     for (int i = 0; i < data.Length; i++)     {         sBuilder.Append(data[i].ToString("x2"));     }         // Return the hexadecimal string.     return sBuilder.ToString(); }