internal string GenerateSalt()
    {
        byte[] buf = new byte[16];
        (new RNGCryptoServiceProvider()).GetBytes(buf);
        return Convert.ToBase64String(buf);
    }

    internal string EncodePassword(string pass,string salt)
    {
        byte[] bIn = Encoding.Unicode.GetBytes(pass);
        byte[] bSalt = Convert.FromBase64String(salt);
        byte[] bAll = new byte[bSalt.Length + bIn.Length];

        Buffer.BlockCopy(bSalt,bAll,bSalt.Length);
        Buffer.BlockCopy(bIn,bSalt.Length,bIn.Length);
        HashAlgorithm s = HashAlgorithm.Create("SHA512");
        byte[] bRet = s.ComputeHash(bAll);

        return Convert.ToBase64String(bRet);
    }

哈希密码和盐稍后存储在数据库中.什么是base64编码的盐和密码的最大长度？