libsoliton/soliton/fuzz/fuzz_targets/fuzz_ratchet_from_bytes_epoch.rs
Kamal Tufekcic d73755a275
initial commit
Signed-off-by: Kamal Tufekcic <kamal@lo.sh>
2026-04-23 15:51:07 +03:00

18 lines
657 B
Rust

#![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);
});