2019from public repositories
GKSK WannaPIE 2019
2 challenges with 4 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 liveCryptography2
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
Decrypt
2 official solutionsAlso written up in: KelompokStudiLinux/WriteUp-CTF, ChaO-0/WriteUps
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2 official solutionsAlso written up in: KelompokStudiLinux/WriteUp-CTF, ChaO-0/WriteUps