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Challenges

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Higher weight ≈ harder, more prestigious event.
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5 challenges tagged #custom-hash ✕ clear · browse all techniques

Challenge CTF Weight Category Has
hatmash
#matrix#custom-hash#linear-algebra
 UMassCTF 2022 23.56 Crypto files wu 1
FailedHashFunction
#custom-hash#bit-manipulation
 UTCTF 2022 – Crypto files wu 2
mathhash
#custom-hash#floating-point#byte-by-byte-bruteforce
 zer0pts 2022 35.97 Crypto files wu 1
RITSEC_Hash
#custom-hash#bruteforce#rockyou
 RITSEC 2021 – Crypto files wu 2
Mirror_Hash
#custom-hash#birthday-attack#subset-sum#hash-collision
 PwnMe 2025 Quals 24.95 Crypto files wu 1