Rating:
# Classy Cipher
20 points - 717 solves
```
Every CTF starts off with a Caesar cipher, but we're more classy.
```
## Solution
Source code was provided in the challenge, which looked like
```python
from secret import flag, shift
def encrypt(d, s):
e = ''
for c in d:
e += chr((ord(c)+s) % 0xff)
return e
assert encrypt(flag, shift) == ':
