THCTT24_clickclick: init

THCTT24_clickclick/solution/clickclick.c

@@ -0,0 +1,26 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+char secret[] = "29648872964875296486429648872964887296497729649832964920296497929649762964903296497829649772964983296489829649832964903296498729649822964986296498229649862964983296497629649792964987296498029649872964982296498029649822964979296498229649832964979296497929649782964983296489629649812964926";
+int32_t key = 2964931; // 7
+char key_string[0x20]; // assigned a sustainable amount of space lmao
+
+char flag[0x99]; // assigned a sustainable amount of space lmao
+int flag_index = 0;
+
+int main() {
+    int32_t chunk_size;
+    sprintf(key_string, "%d", key); // convert int->char[0x20] to get a chunk_size
+    chunk_size = strlen(key_string);
+    char chunk[chunk_size];
+
+    for (int i=0; i < strlen(secret); i += chunk_size) {
+        strncpy(chunk, secret + i, chunk_size);
+        int encoded;
+        sscanf(chunk, "%d", &encoded);
+        char decoded = (char)(encoded ^ key);
+        flag[flag_index++] += decoded; // char index in SEE lang regards
+    }
+    printf("%s\n", flag);
+}

THCTT24_clickclick/solution/clickclick.cpp

@@ -0,0 +1,19 @@
+#include <cstdint>
+#include <cstdio>
+#include <string>
+
+std::string secret = "29648872964875296486429648872964887296497729649832964920296497929649762964903296497829649772964983296489829649832964903296498729649822964986296498229649862964983296497629649792964987296498029649872964982296498029649822964979296498229649832964979296497929649782964983296489629649812964926";
+int32_t key = 2964931;
+int32_t chunk_size = std::to_string(key).length();
+
+std::string flag_chars = {};
+
+int main() {
+    for (int i=0; i < secret.length(); i += chunk_size) {
+        std::string chunk = secret.substr(i, chunk_size);
+        int encoded = std::stoi(chunk);
+        char decoded_char = static_cast<char>(encoded ^ key);
+        flag_chars += decoded_char;   
+    }
+    printf("%s\n", flag_chars.c_str());
+}

THCTT24_clickclick/solution/clickclick.py

@@ -0,0 +1,13 @@
+secret = "29648872964875296486429648872964887296497729649832964920296497929649762964903296497829649772964983296489829649832964903296498729649822964986296498229649862964983296497629649792964987296498029649872964982296498029649822964979296498229649832964979296497929649782964983296489629649812964926"
+key = 2964931
+chunk_size = len(str(key)) # Big guess by my guy at GPT originally at -> 7
+
+flag_chars = []
+for i in range(0, len(secret), chunk_size):
+    num_str = secret[i:i+chunk_size]
+    encoded = int(num_str)
+    ch = chr(encoded ^ key)
+    flag_chars.append(ch)
+
+flag = "".join(flag_chars)
+print(flag)