//public static void Show()
//{
// HttpContext.Current.Response.Write("ssss");
//}
/// <summary>
/// 对字符串进行MD5运算
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string GetMd5String(string str)
{
MD5 md5 = MD5.Create();
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(str);
byte[] md5Buffer = md5.ComputeHash(buffer);
StringBuilder sb = new StringBuilder();
foreach (byte b in md5Buffer)
{
sb.Append(b.ToString("x2"));
}
md5.Clear();
return(sb.ToString());
}
//获取md
public static string GetMD5FromString(string msg)
{
using (MD5 md5 = MD5.Create())
{
byte[] msgBuffer = Encoding.UTF8.GetBytes(msg);
byte[] md5Buffer = md5.ComputeHash(msgBuffer);
md5.Clear();
StringBuilder sdMd5 = new StringBuilder();
for (int i = 0; i < md5Buffer.Length; i++)
{
sdMd5.Append(md5Buffer[i].ToString("x2"));
}
return(sdMd5.ToString());
}
}
/// <summary>
/// 徐功阳 2015年9月5日13:34:47
/// </summary>
/// <param name="cipherText">加密字符串</param>
/// <returns></returns>
public static string CommonMd5Encrypt(string cipherText)
{
StringBuilder sb = new StringBuilder();
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(cipherText);
using (MD5 md5 = MD5.Create())
{
byte[] temp = md5.ComputeHash(bytes);
md5.Clear();
for (int i = 0; i < temp.Length; i++)
{
sb.Append(temp[i].ToString("x2"));
}
}
return(sb.ToString());
}
/// <summary>
/// 计算字符串的MD5值
/// </summary>
/// <param name="msg">要计算的字符串</param>
/// <returns></returns>
public static String GetMD5FromString(this String msg)
{
using (MD5 md5 = MD5.Create())
{
byte[] msgBuffer = Encoding.UTF8.GetBytes(msg);
byte[] md5Buffer = md5.ComputeHash(msgBuffer);
md5.Clear();
//将计算出来的长度为32的byte[]数组的每个byte转换为16进制，并且取2位
StringBuilder sbMd5 = new StringBuilder();
for (Int32 i = 0; i < md5Buffer.Length; i++)
{
sbMd5.Append(md5Buffer[i].ToString("x2"));
}
return(sbMd5.ToString().ToUpper());
}
}
