加密用户密码

 

 

 

 

	public static String encryptPassword(String userName, String password)
	{
		try
		{
			String key1 = "1jjejduuhjdjdHDUEHWHd3ehgfidhwh23hHJCRIOI4HDHDHFKHFD3dhdhrg2djsHSDFHFEDJGW";
			String key2 = "r347djejDETahe3j%3jd*%%2DDE223fdhahfh%^@21hdhfhzhdDFQ3hH7eh32hdE#@sdqhqhde";
			String key3 = "gwkjd@wjsdj2324shjsQWeh2dsGed/#21ssdEdhawehrcyzhzeje2#@SDajw2D2sjzahd3#dSa";
			String str = key1 + userName + key2 + password + key3;
			MessageDigest alg = MessageDigest.getInstance("MD5");
			byte[] b = str.getBytes();
			alg.reset();
			alg.update(b);
			byte[] hash = alg.digest();
			String d = "";
			for (int i = 0; i < hash.length; i++)
			{
				int v = hash[i] & 0xFF;
				if (v < 16)
				{
					d += "0";
				}
				d += Integer.toString(v, 16).toUpperCase();
			}
			return d;
		}
		catch (NoSuchAlgorithmException e)
		{
			return null;
		}
	}