這是我課程教材的集中地，主要是中文學習者友好地！
課程 slide: (持續更新，包含 REPO，但有機會 REPO 更新的比簡報快)
https://www.canva.com/design/DAG764n8rM0/vwm6Ki9f-RK9iXMvWxviIg/edit
題目通常都是基礎 Lab，偶爾會在標明出處的情況下引用自己在別的 CTF 出過的題目 以及 別的比賽/平台的。
||課程影片請自己 OSINT 我實在有點不想放||
不確定會不會一直穩定在線的 lab url:
https://crypto-ctf.whale-tw.com/
跳過
| Challenge |
Tip |
| super_signer |
ECB Mode Prepend Oracle Attack |
| broken_menu |
ChaCha20, Poly1305 |
| key_man |
weak key |
| zero_logon |
Zero Logon |
| babyaes |
Padding Oracle Attack |
| trillion_bank |
ECB Mode Copy & Paste Attack |
| one_shot |
CBC Mode Bit Flipping Attack |
| psychic_msg |
Padding Oracle Attack |
| daes |
MitM |
| Challenge |
Tip |
| eee |
small e attack |
| he_told_me_this_is_fatorable |
fractordb |
| oh_my_lord |
Pollard's P-1 Attack |
| miracle_oracle |
LSB Oracle |
| rsa_playground |
Fermat Factorization + Wiener's Attack |
| louder_louder_one_more_time_plz |
BroadCast Attack |
| flying_rabbit |
Franklin-Reiter's Attack |
| brokencast |
CRT With Errors |
| prsa |
Polynomial Ring |
| cde |
Number Theory? |
| l34k |
CopperSmith's Method |
| Challenge |
Tip |
| none_unique |
MD5 Collision Feature |
| wots_up_2 |
WOTS |
| merkle_trees |
Merkle Tree |
| cracker |
Dictionary Attack |
| why_lie |
Length Extension Attack |
| observer |
Length Extension Attack |
| Challenge |
Tip |
| pell |
Pell Curve |
| kirby |
ECC |
| baby_diffie_hellman |
DH |
| baby_dlp |
Pohlig-Hellman |
| Challenge |
Tip |
| lcg_1 |
LCG |
| lcg_2 |
LCG |
| lcg_3 |
Truncated LCG |
| baby_19937 |
MT19937 |
| normal_19937 |
MT19937 but GF2/z3 required |
| linear_feedback |
LFSR |
| Jeff's Generator |
Correlation Attack |
| EasyLFSR |
Patchy |
| Challenge |
Tip |
| Level 1 |
JWT None Algo |
| Level 2 |
HS256 weak secret |
| Level 3 |
Invalid key file |
| Level 4 |
Algo Confusion Attack |
| Challenge |
Tip |
| TLS 1.2 |
TLS 1.2 Decrypt |
| TLS 1.3 |
TLS 1.3 Decrypt |