decrypt.d

import std.process;
import std.stdio, std.file;
import std.conv;
import std.ascii;
import std.algorithm;

char[] cry(char[] s) {
	return execute(["./cryptooo", s]).output.dup;
}

int same(char[] s, char[] t) {
	auto n = cast(int)(min(s.length, t.length));
	foreach (i; 0..n) {
		if (s[i] != t[i]) return i;
	}
	return n;
}

int main() {
	string mp = letters ~ digits ~ "!@#$%^&*()-_=+\\|`~[{]};:'\",<.>/?";

	int n = 32;
	char[] s = new char[](n);
	s[] = 'a';
	char[] res = "Encrypted(44): waUqjjDGnYxVyvUOLN8HquEO0J5Dqkh/zr/3KXJCEnw=".dup;

	foreach (i; 0..n-1) {
		char[] s2;
		int ma = -1;
		foreach (c; mp) {
			foreach (d; mp) {
				s[i] = c;
				s[i+1] = d;
				auto t = cry(s);
				int u = same(t, res);
				if (ma < u) {
					ma = u;
					s2 = s.dup;
				}
			}
		}
		s = s2.dup;
		writeln(s, " ", cry(s));
	}
	writeln(s);
	return 0;
}