# awesome-ctf-crypto
useful crypto resources for CTF competition.
## Blog / Academic pubs
+ [Attack on TLS](http://mitls.org/pages/attacks)
+ [Prof. <NAME>'s Publications](http://crypto.stanford.edu/~dabo/pubs/pubsbytopic.html)
+ [grocid.net](https://grocid.net/)
+ [Hc1m1](http://0x48.pw/)
+ [Cryptographic Engineering](https://blog.cryptographyengineering.com/)
## Writeup Repo
+ [ashutosh1206/Crypton: Most comprehensive crypto attacks explanation and implementation from CTFs for CTFs](https://github.com/ashutosh1206/Crypton)
+ [grocid/CTF: ☕️ Collection of CTF solutions](https://github.com/grocid/CTF)
## Playground
+ [The Cryptopals Crypto Challenges](https://cryptopals.com/)
## Tools
+ Big number factorize
  + [factordb.com](https://factordb.com/)
+ Discrete logarithm related problem
  + [Discrete logarithm calculator](https://www.alpertron.com.ar/DILOG.HTM)
+ Mono-alphabet substitution cipher
  + [Substitution Solver - www.guballa.de](https://www.guballa.de/substitution-solver)
  + [quipqiup - cryptoquip and cryptogram solver](http://quipqiup.com/)
+ Vigenère cipher cracker
  + [ViGENERE - ONLiNE ViGENERE ANALYSiS AND CRACKiNG](https://f00l.de/hacking/vigenere.php)
  + [Vigenere Solver](https://www.guballa.de/vigenere-solver)
+ [Ganapati/RsaCtfTool - retreive private key from weak public key and/or uncipher data](https://github.com/Ganapati/RsaCtfTool)