b00tl3gRSA2

b00tl3grsa2/sol.py

@@ -0,0 +1,21 @@
+#!python3
+from pwn import *
+
+conn = remote("jupiter.challenges.picoctf.org", 19566)
+
+conn.recvuntil(b"c: ")
+c = int(conn.recvline().strip())
+log.info("c: {:x}".format(c))
+
+conn.recvuntil(b"n: ")
+n = int(conn.recvline().strip())
+log.info("n: {:x}".format(n))
+
+conn.recvuntil(b"e: ")
+e = int(conn.recvline().strip())
+log.info("e: {:x}".format(e))
+
+m = pow(c, 65537, n)
+m_literal = pack(m, 'all', 'big', False)
+log.success("flag: {}".format(m_literal))
+