cryptoProhard

Ghost

codegate

Task: GOST Davies-Meyer hash with secret S-boxes, 128 round_core queries, find collision. Solution: recover S-boxes via oracle, apply 3-round local collision (Dunkelman-Keller-Weizman CRYPTO 2023) with fixed-point construction.

$ ls tags/ techniques/
gostfeisteldavies_meyerrelated_key_differentiallocal_collisionsbox_recoveryfixed_point
sbox_recovery_via_oracle3_round_local_collisionfixed_point_constructiondavies_meyer_collision
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