Brute force up to 5 chars

insatomcat · Jun 5, 2011 · 66fb14e · 66fb14e
1 parent 422f3df
commit 66fb14e
Showing 1 changed file with 18 additions and 14 deletions.
diff --git a/brute_force.cxx b/brute_force.cxx
@@ -19,27 +19,31 @@ int main(int argc, char ** argv) {
 	oox::core::BinaryCodec_XOR x(oox::core::BinaryCodec_XOR::CODEC_EXCEL);
 	unsigned char t[9] = { '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0' };
 
-	// BRUTE FORCE exactly 4 chars
+	// BRUTE FORCE up to 5 chars
 	for(unsigned char i=32; i < 127; ++i) {
-		t[0] = i;
 		std::cout << (short)i << std::endl;
-		for(unsigned char j=32; j < 127; ++j) {
-			t[1] = j;
-			for(unsigned char k=32; k < 127; ++k) {
-				t[2] = k;
-				for(unsigned char l=32; l < 127; ++l) {
-					t[3] = l;
-					if (nHash == x.getHash(t, 16)) {
-						x.initKey(t);
-						bool res = x.verifyKey(nKey, nHash);
-						if (res) {
-							std::cout << t << " " << res << std::endl;
-							return EXIT_SUCCESS;
+		for(unsigned char j=32; j < 128; ++j) {
+			std::cout << "  " << (short)j << std::endl;
+			for(unsigned char k=32; k < 128; ++k) {
+				for(unsigned char l=32; l < 128; ++l) {
+					for(unsigned char m=32; m < 128; ++m) {
+						if (nHash == x.getHash(t, 16)) {
+							x.initKey(t);
+							bool res = x.verifyKey(nKey, nHash);
+							if (res) {
+								std::cout << t << " " << res << std::endl;
+								return EXIT_SUCCESS;
+							}
 						}
+						t[0] = m;
 					}
+					t[1] = l;
 				}
+				t[2] = k;
 			}
+			t[3] = j;
 		}
+		t[4] = i;
 	}
 
 	return EXIT_FAILURE;