对字符串进行加密 c#
以i为循环变量,使用for循环语句由左至右依次将s_text的各个字符赋给ch,与s_key中对应的字符进行异或运算,并将结果添加到s_result的末尾。输出加密后的字符串。
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这句不懂,不会写了,这两点给我弄蒙了。 下面是我的代码
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static void Main(string[] args)
{
Int32 i;
string s_text, s_key, s_result = null;
char ch;
Console.WriteLine("Please Put Into Former String !\n");
s_text = Console.ReadLine();
Console.WriteLine("Please Put Into The Secret Key :\n");
s_key = Console.ReadLine();
if (s_text.Length != s_key.Length)
Console.WriteLine("The Length Of The Secret And Former String Must Be Equal!\n");
for (i = 0; i <= s_text.Length - 1; i++)
{
ch = s_text[i];
s_result[i] = Convert.ToInt32(s_text[i]) ^ Convert.ToInt32(s_key[i]);//应该是这里出错
}
Console.WriteLine("加密后的字符串为:\n{0}", s_result.ToString());
}