static void Main(string[] args)
{
start:
string path;
string[] enc;
if (args.Length < 1)
{
return;
}
else
{
path = args[0];
}
if (File.Exists(path))
{
enc = File.ReadAllLines(path);
}
else
{
Console.WriteLine("File does not exist.");
return;
}
Console.Clear();
Console.WriteLine(">>brypt v0.1<<");
Console.WriteLine("\n选择 1.简单恺撒密码遍历器 2.字频统计 3.字频统计+预处理 4.自定义替换");
int mode = Convert.ToInt32(Console.ReadLine());
if (mode == 1)
{
for (int i = 0; i < 24; i++)
{
for (int line = 0; line < enc.Length; line++)
{
string txt = enc[line];
Cheaser cheaser = new Cheaser(i + 1);
Console.WriteLine("\n" + cheaser.Decrypt(txt) + "\n");
}
Console.ReadKey();
}
Console.WriteLine("\n遍历结束");
goto start;
}
if (mode == 2)
{
for (int i = 0; i < 26; i++)
{
freq[i] = 0;
}
for (int line = 0; line < enc.Length; line++)
{
string txt = enc[line];
for (int i = 0; i < txt.Length; i++)
{
char chr = txt[i];
freq[GetPosition(chr)]++;
}
}
for (int i = 0; i < 26; i++)
{
Console.WriteLine("[" + alphabet[i] + "] ---- [" + freq[i] + "]");
}
Console.ReadLine();
goto start;
}
if (mode == 3)
{
List <Wn> wns = new List <Wn>(26);
string pre = "";
for (int i = 0; i < 26; i++)
{
freq[i] = 0;
}
for (int line = 0; line < enc.Length; line++)
{
string txt = enc[line];
for (int i = 0; i < txt.Length; i++)
{
int index = GetPosition(txt[i]);
if (index == -1)
{
continue;
}
else
{
freq[index]++;
}
}
}
for (int i = 0; i < 26; i++)
{
wns.Add(new Wn(freq[i], alphabet[i]));
}
wns.Sort();
char[] freqRank = new char[26];
for (int i = 0; i < 26; i++)
{
Console.WriteLine("[" + wns[i].chr + "] ---- [" + wns[i].freq + "] ---- [" + freqStd[i] + "]");
freqRank[i] = wns[i].chr;
}
File.WriteAllText("freq.txt", new string(freqRank) + "\r\n" + new string(freqStd));
Console.WriteLine("\n");
//string[] pre = new string[enc.Length];
for (int line = 0; line < enc.Length; line++)
{
char[] txt = enc[line].ToCharArray();
for (int i = 0; i < txt.Length; i++)
{
txt[i] = Map(txt[i], freqRank, freqStd);
}
pre += new string(txt) + "\r\n";
}
Console.WriteLine(pre);
File.WriteAllText("pre.txt", pre);
Console.ReadKey();
goto start;
}
if (mode == 4)
{
string[] src = File.ReadAllLines("custom.txt");
string pre = "";
for (int line = 0; line < enc.Length; line++)
{
char[] txt = enc[line].ToCharArray();
for (int i = 0; i < txt.Length; i++)
{
txt[i] = Map(txt[i], src[0].ToCharArray(), src[1].ToCharArray());
}
pre += new string(txt) + "\r\n";
}
Console.WriteLine(pre);
File.WriteAllText("pre.txt", pre);
Console.ReadKey();
goto start;
}
}
static void Main(string[] args)
{
start:
try
{
Console.Clear();
Console.WriteLine("选择 1.恺撒密码 2.眼花密码 3.CBC恺撒密码 4.CTR恺撒密码:");
int mode = Convert.ToInt32(Console.ReadLine());
if (mode == 1)
{
WriteLine(">>恺撒密码<<", "y");
Console.WriteLine("\n选择：1.简单密钥 2.长密钥");
mode = Convert.ToInt32(Console.ReadLine());
if (mode == 1)
{
Console.WriteLine("\n输入密钥：");
string key = Console.ReadLine().ToUpper();
Cheaser cheaser = new Cheaser(key.ToCharArray()[0]);
Console.WriteLine("\n选择：1.加密 2.解密");
mode = Convert.ToInt32(Console.ReadLine());
if (mode == 1)
{
WriteLine(">>加密<<", "y");
Console.WriteLine("\n明文：");
string txt = Console.ReadLine().ToUpper();
WriteLine("\n加密结果：\n", "g");
Console.WriteLine(cheaser.Encrypt(txt));
WriteLine("----------------------------------", "g");
}
else if (mode == 2)
{
WriteLine(">>解密<<", "y");
Console.WriteLine("\n密文：");
string encTxt = Console.ReadLine().ToUpper();
WriteLine("\n解密结果：\n", "g");
Console.WriteLine(cheaser.Decrypt(encTxt));
WriteLine("----------------------------------", "g");
}
else
{
WriteLine("错误：Gabe Newell is even better than you.", "r");
}
}
else if (mode == 2)
{
Console.WriteLine("\n输入密钥：");
string keyword = Console.ReadLine().ToUpper();
CheaserS cheaserS = new CheaserS(keyword);
Console.WriteLine("\n选择：1.加密 2.解密");
mode = Convert.ToInt32(Console.ReadLine());
if (mode == 1)
{
WriteLine(">>加密<<", "y");
Console.WriteLine("\n明文：");
string txt = Console.ReadLine().ToUpper();
WriteLine("\n加密结果：\n", "g");
Console.WriteLine(cheaserS.Encrypt(txt));
WriteLine("----------------------------------", "g");
}
else if (mode == 2)
{
WriteLine(">>解密<<", "y");
Console.WriteLine("\n密文：");
string encTxt = Console.ReadLine().ToUpper();
WriteLine("\n解密结果：\n", "g");
Console.WriteLine(cheaserS.Decrypt(encTxt));
WriteLine("----------------------------------", "g");
}
else
{
WriteLine("错误：Gabe Newell is even better than you.", "r");
}
}
}
else if (mode == 2)
{
WriteLine(">>眼花密码<<", "y");
Console.WriteLine("\n选择：1.加密 2.解密");
mode = Convert.ToInt32(Console.ReadLine().ToUpper());
if (mode == 1)
{
WriteLine(">>加密<<", "y");
Console.WriteLine("\n密钥：");
char[] keyArray = Console.ReadLine().ToUpper().ToCharArray();
//初始化密码组
Cheaser[] cheasers = new Cheaser[keyArray.Length];
for (int i = 0; i < keyArray.Length; i++)
{
cheasers[i] = new Cheaser(keyArray[i]);
}
Console.WriteLine("\n明文：");
char[] txt = Console.ReadLine().ToUpper().ToCharArray();
char[] enc = new char[txt.Length];
//使用 (索引 mod 密钥长度)处的密码
for (int i = 0; i < txt.Length; i++)
{
//Console.WriteLine("为字母" + txt[i] + "使用 " + alphabet[cheasers[i % keyArray.Length].mv] + "密码");
enc[i] = cheasers[i % keyArray.Length].Encrypt(txt[i]);
}
WriteLine("\n加密结果：\n", "g");
Console.WriteLine(new string(enc));
WriteLine("----------------------------------", "g");
}
else if (mode == 2)
{
WriteLine(">>解密<<", "y");
Console.WriteLine("\n密钥：");
string key = Console.ReadLine().ToUpper();
char[] keyArray = key.ToCharArray();
//初始化密码组
Cheaser[] cheasers = new Cheaser[keyArray.Length];
for (int i = 0; i < keyArray.Length; i++)
{
cheasers[i] = new Cheaser(keyArray[i]);
}
Console.WriteLine("\n密文：");
char[] enc = Console.ReadLine().ToUpper().ToCharArray();
char[] txt = new char[enc.Length];
for (int i = 0; i < enc.Length; i++)
{
//Console.WriteLine("为字母" + enc[i] + "使用 " + alphabet[cheasers[i % keyArray.Length].mv] + "密码");
txt[i] = cheasers[i % keyArray.Length].Decrypt(enc[i]);
}
WriteLine("\n解密结果：\n", "g");
Console.WriteLine(new string(txt));
WriteLine("----------------------------------", "g");
}
else
{
WriteLine("错误：Gabe Newell is even better than you.", "r");
}
}
else
{
WriteLine("错误：Gabe Newell is even better than you.", "r");
}
}
catch (Exception e) { Console.WriteLine(e.Message); }
WriteLine("\n按任意键继续...", "y");
Console.ReadKey(true);
goto start;
}
