#![no_main] #![allow(deprecated)] use libfuzzer_sys::fuzz_target; use soliton::ratchet::RatchetState; fuzz_target!(|data: &[u8]| { // Exercises from_bytes_with_min_epoch with fuzz-controlled min_epoch. // The first 8 bytes are the min_epoch threshold; the remainder is the // serialized ratchet state. This covers the epoch validation gate and // its interaction with field parsing — a distinct attack surface from // plain from_bytes. if data.len() < 8 { return; } let min_epoch = u64::from_be_bytes(data[..8].try_into().unwrap()); let _ = RatchetState::from_bytes_with_min_epoch(&data[8..], min_epoch); });