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fix chall itoid

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This commit is contained in:
Rayhan Hanaputra
2025-10-28 09:08:35 +07:00
parent 35b4b74cbb
commit 615f8aa130
2 changed files with 84 additions and 72 deletions
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services/phew/src/chall.py
+32 -20
View File
@@ -17,40 +17,52 @@ while True:
print("2. bingo")
print("3. decrypt")
print("4. key?")
inp = int(input("> "))
try:
inp = int(input("> "))
except (ValueError, EOFError):
print("Invalid input")
continue
if inp == 1:
print("pt (hex)")
inp = input("> ")
ct = cipher.encrypt(int(inp, 16))
print('ct : ', '{0:x}'.format(ct))
try:
inp = input("> ")
ct = cipher.encrypt(int(inp, 16))
print('ct : ', '{0:x}'.format(ct))
except (ValueError, EOFError):
print("Invalid hex input")
elif inp == 2:
print("key (hex)")
user_hex = input("> ").strip()
try:
user_hex = input("> ").strip()
user_key = bytes.fromhex(user_hex)
except Exception:
print("nope")
continue
if len(user_key) == 66 and user_key == key:
try:
print(flag_bytes.decode())
except Exception:
print(flag_bytes.hex())
else:
if len(user_key) == 66 and user_key == key:
try:
print(flag_bytes.decode())
except Exception:
print(flag_bytes.hex())
else:
print("nope")
except (ValueError, EOFError):
print("nope")
elif inp == 3:
print("ct (hex)")
inp = input("> ")
pt = cipher.decrypt(int(inp, 16))
print('pt : ', '{0:x}'.format(pt))
try:
inp = input("> ")
pt = cipher.decrypt(int(inp, 16))
print('pt : ', '{0:x}'.format(pt))
except (ValueError, EOFError):
print("Invalid hex input")
elif inp == 4:
ct = cipher.encrypt(key_int)
print('ct : ', '{0:x}'.format(ct))
try:
ct = cipher.encrypt(key_int)
print('ct : ', '{0:x}'.format(ct))
except Exception:
print("Encryption error")
else:
exit()