Method drop

nodedb-wal/src/secure_mem.rs:42–50

(&mut self)

impl Drop for SecureKey {
    fn drop(&mut self) {
        // Zero the key before releasing.
        // Use volatile writes so the compiler cannot optimize them away.
        for byte in self.bytes.iter_mut() {
            unsafe { std::ptr::write_volatile(byte, 0u8) };
        }
        #[cfg(all(unix, not(target_arch = "wasm32")))]
        munlock_best_effort(self.bytes.as_mut_ptr() as *mut libc::c_void, 32);
    }
}

/// Public convenience wrapper for mlocking raw key bytes from `crypto.rs`.