C#字符串MD5加密

using System.Security.Cryptography;//引入命名空间
  
public static string getMd5Hash(string argInput)//md5加密 32位大写
{
      MD5 md5Hasher = MD5.Create();
      byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(argInput));
      StringBuilder sBuilder = new StringBuilder();
      for (int i = 0; i < data.Length; i++)
      {
          sBuilder.Append(data[i].ToString("x2"));
      }
      return sBuilder.ToString().ToUpper();
}