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dicectf_2026_quals

Task: DV-SNARG for 64-bit adder circuit, prove 20 consecutive WRONG answers to get flag. Solution: exploit DV-SNARG soundness break with verifier oracle — learn secret v values via safe oracle at streak=0, forge proofs via CRS entry algebraic cancellation.

dv_snarg designated_verifier dot_product_proof p256 elliptic_curve pedersen_commitment circuit adder crs

dv_snarg_soundness_breakverifier_oracle_attackcrs_entry_cancellationsafe_oracle_constructiontensor_product_extraction

$ ls tags/ techniques/

dv_snarg designated_verifier dot_product_proof p256 elliptic_curve pedersen_commitment circuit adder crs

dv_snarg_soundness_breakverifier_oracle_attackcrs_entry_cancellationsafe_oracle_constructiontensor_product_extraction

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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