# @cistern/crypto

Post-quantum cryptographic primitives for Cistern.

## Algorithm

**`x_wing-xchacha20_poly1305-sha3_512`**

- **X-Wing KEM**: Post-quantum hybrid key encapsulation (ML-KEM-768 + X25519)
- **XChaCha20-Poly1305**: Authenticated encryption
- **SHA3-512**: Content integrity verification