Jl-spp Here

The library also ships with a (available in docs/specification.pdf ) that reduces authentication security to the hardness of Ring‑LWE and the soundness of the underlying sigma protocol.

All cryptographic operations run in constant‑time to eliminate timing side‑channels. jl-spp

: Developers working with Jieli-based Bluetooth speakers, headsets, and wearables use JL-SPP to flash firmware, debug code, and test communication protocols. The library also ships with a (available in

: It is designed to offer "original equipment" level tools, allowing users to perform tasks like key programming, service resets, and firmware updates. jl-spp

// 2️⃣ Derive secret s = H(preHash) byte[] secret = Hashes.sha3_256(preHash);

All public methods throw JlsppException (or subclasses) for granular error handling.