public string encryptyPassword(string in_pass)
{
string originStr = in_pass;
string securityStr;
char[] chars = originStr.ToCharArray();
byte[] inBytes = new byte[chars.Length];
for(int i = 0; i < inBytes.Length; i ++)
inBytes[i] = Convert.ToByte(chars[i]);
MD5CryptoServiceProvider md = new MD5CryptoServiceProvider();
byte[] outBytes = md.ComputeHash(inBytes);
securityStr = BitConverter.ToString(outBytes);
return securityStr ;
}
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