【黑马程序员】GetMD5()加密代码(学习笔记)

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public static string GetMD5(string sDataIn)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] bytValue, bytHash;
bytValue = System.Text.Encoding.UTF8.GetBytes(sDataIn);
bytHash = md5.ComputeHash(bytValue);
md5.Clear();
string sTemp = "";
for (int i = 0; i < bytHash.Length; i++)
{
sTemp += bytHash[i].ToString("X").PadLeft(2, '0');
}
return sTemp.ToLower();
}