1 Find the flag

2 Crack the Password

3 Trick the server 1

4 Trick the server 2

5 "🇺🇿 🇱🇻🇺🇾🇺🇿🇿🇼🇯🇴 🇱🇻🇺🇾🇹🇱🇱🇻 🇱🇻🇺🇾🇺🇿🇨🇵 🇨🇵🇲🇭🇱🇸🇱🇻 🇲🇭🇨🇭 🇸🇳🇺🇿🇸🇽🇺🇾🇵🇹🇱🇸 🇺🇿🇨🇵 🇧🇼🇹🇿🇸🇳🇺🇾 🇵🇹🇹🇱🇨🇵🇺🇿🇵🇹🇱🇸 🇵🇦🇺🇾🇵🇹🇿🇼 🇨🇵🇸🇽🇹🇱🇸🇳🇵🇹🇨🇵 🇹🇱🇱🇸🇵🇹 🇺🇿🇿🇼🇸🇳🇵🇷🇹🇿🇬🇼🇵🇹🇬🇼 🇬🇼🇲🇭🇿🇼'🇱🇻 🇸🇱🇲🇭🇹🇿? 🇲🇼🇱🇻🇵🇦 🇱🇻🇺🇾🇵🇹 🇨🇭🇵🇷🇹🇱🇬🇧 🇺🇿🇨🇵 🇿🇼🇺🇿🇿🇼🇳🇴🇹🇱{🇧🇼🇲🇭🇿🇼🇱🇻🇸🇱_🇸🇽🇸🇱🇱🇻🇺🇾🇲🇭🇿🇼🇨🇵_🇿🇼🇵🇹🇱🇻🇨🇭🇵🇷🇺🇿🇷🇸_🇸🇳🇺🇿🇱🇸🇸🇳🇹🇿🇨🇵}"

6 Horcruxes

7 Early Gamal

8 Find the Phi-lag

9 An "Abstract" Algebra Flag

10 Two Files: encryption.py and flag.png.enc

11 Nonce a Problem

12 XOR ROX

13 Super Stretch Encryption

14

15 OFB-mode FLAG

16

alpha-gnu-enc.png

17-23 7 Problems That Teach You Everything You Need About Block Ciphers

24 Hash Extension MAC forgery

25 CBC-MAC Forgery

26 DHKE Flag

27

28

29

XORient Yourself from TuCTF 2018: FLAG FORMAT TUCTF{fl4g_h3r3} XORient yourself

XOR Challenge from TuCTF 2018: FLAG FORMAT: TUCTF{fl4g_h3r3} Jimmy's Crypto

Another XOR from 365.csaw.io FLAG FORMAT: flag{fl4g_h3r3} Another XOR