Breaking a fresh-key ECB oracle by using same-query block equality and custom deterministic padding leakage.

Recovering a bounded ECC private key via invalid-curve small-subgroup leakage, then decrypting the quantum-derived AES key.

Breaking mixed real/fake polynomial shares over modulo 2^1024 using 2-adic filtering and Smith Normal Form.

Solving related-message RSA with a known sum hint via Groebner basis over Z_N.

Recovering hidden RSA modulus via oracle boundary and solving with Coppersmith small roots.

Recovering ECC scalar from weak PRNG state flow and predicting destination coordinates.

Breaking Diffie-Hellman through small-subgroup generator construction.

Recovering hidden RSA factors by cracking an LCG-style RNG from leaked states.