2015from public repositories
Tmctf 2015
6 challenges with 10 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised4
The upstream scoreboard did not say, so neither do we.
Also written up in: kmuroi/tmctf2015
Cry200
1 official solutionAlso written up in: littlezz/CTF-WriteUp
Cry200 Checkpoint
1 official solutionAlso written up in: littlezz/CTF-WriteUp
Secure Mm
1 official solutionAlso written up in: scwuaptx/CTF
Cryptography2
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Solve it with:Cipher identifier and automatic decoderVigenere cipher solver with automatic key recoveryRSA decryption and attack runnerWiener’s attack on small RSA private exponentsIn-browser hash cracker with rule transformsLearn: Classical ciphers and frequency analysisLearn: RSA and the parameters that break it
Crypto200
4 official solutionsAlso written up in: smokeleeteveryday/CTF_WRITEUPS, dqi/ctf_writeup, littlezz/CTF-WriteUp, smokeleeteveryday/CTF_WRITEUPS
Crypto100
2 official solutionsAlso written up in: smokeleeteveryday/CTF_WRITEUPS, smokeleeteveryday/CTF_WRITEUPS