incomplete

clouds/sol.py

@@ -0,0 +1,40 @@
+#!python3
+from sage.all import *
+from pwn import *
+
+conn = remote("mercury.picoctf.net", 24402)
+conn.recvuntil(b"? ")
+
+def store(msg):
+    conn.sendline(b"1")
+    conn.recvuntil(b": ")
+    conn.sendline(msg)
+    conn.recvuntil(b"? ")
+
+def retrieve(i):
+    conn.sendline(b"2")
+    conn.recvuntil(b"? ")
+    conn.sendline(str(i).encode())
+    msg = conn.recvline().strip()
+    conn.recvuntil(b"? ")
+    return msg
+
+def sbox(input):
+    output = Integer("".join(reversed(input.binary())))
+    return output
+
+def sbox_inv(output):
+    pass
+
+def mixin_pre(input, key):
+    pass
+
+def mixin_pre_inv(output, result):
+    pass
+
+def mixin_post(input, key):
+    pass
+
+def mixin_post_inv(output, result):
+    pass
+