md5 加密

public static string StringToMD5Hash(string inputString)

{

MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();

byte[] encryptedBytes = md5.ComputeHash(Encoding.ASCII.GetBytes(inputString));

StringBuilder sb = new StringBuilder();

for (int i = 0; i < encryptedBytes.Length; i++)

{

sb.AppendFormat("{0:x2}", encryptedBytes[i]);

}

return sb.ToString();

}

2
/// <summary>
/// md5加密
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static string GetMD5(string content)
{
string EncryptString = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(content, "MD5");
return EncryptString;
}

============================================

// <summary>
/// MD5加密
/// </summary>
/// <param name="password"></param>
/// <returns></returns>
public static string EncryptMD5(string password)
{
MD5 md5 = new MD5CryptoServiceProvider();
byte[] data = System.Text.Encoding.UTF8.GetBytes(password);
byte[] md5data = md5.ComputeHash(data);
md5.Clear();
string str = "";
for (int i = 0; i < md5data.Length-1; i++)
{
str += md5data[i].ToString("x").PadLeft(2, '0');
}
return str;
}

public static string Md5Hex(string data)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] dataHash = md5.ComputeHash(Encoding.UTF8.GetBytes(data));
StringBuilder sb = new StringBuilder();
foreach (byte b in dataHash)
{
sb.Append(b.ToString("x2").ToLower());
}
return sb.ToString();
}