**Test Date:** 2026-07-03
**Implementation Version:** 0.3.10
ACS2.6 Specification Compliance Matrix
PART I: Core P2P Messaging & Metadata Protection
| Requirement | Status | Notes |
|---|---|---|
| 1.1 ML-KEM Braid Protocol (SPQR) | `protocol/src/braid.rs` - chunking, parallel generation, reconciliation | |
| 1.2 Sealed Sender / Metadata Masking | Delivery tokens implemented in `crypto/src/delivery_tokens.rs`, relay has sealed_sender fie | |
| ld | ||
| 1.3 Scalable Group Messaging (PQ-Sender Keys) | ML-DSA-87 signing keypair not present, no group key distribution | |
| 1.4 Privacy-Preserving Contact Discovery (PIR) | `crypto/src/pir.rs` - cuckoo hashing, XOR-based queries |
PART II: Mobile, Bandwidth & Push Architecture
| Requirement | Status | Notes |
|---|---|---|
| II.1 Asymmetric Network Topology | `relay/src/main.rs` has `allow_relay` flag but no core/edge node detection | |
| II.2 Bandwidth-Aware Signaling | CBNP implemented in `crypto/src/cbnp.rs`, but no OS network state detection | |
| II.3 PQ-PPN Push Notifications | No APNs/FCM/UnifedPush integration | |
| II.4 State-Compressed ML-KEM Braiding | Session ratchet exists but no “ratchet slow-down” for cellular |
PART III: Local Data-at-Rest Protection
| Requirement | Status | Notes |
|---|---|---|
| III.1 Hardware-Bound Key Hierarchy | No HSM integration, no biometric gates | |
| III.2 Hardened SQLCipher (AEAD) | SQLCipher used but via sqlx with SQLite - verification needed for AEAD mode | |
| III.3 Ephemeral Memory Control | `crypto/src/secure_mem.rs` - secure_zero_memory with DSE defeat | |
| III.4 Anti-Forensic Protections | GuardedKeyMaterial exists but requires platform APIs for full blinding |
### PART IV: Advanced Network Resilience
| Requirement | Status | Notes |
|---|---|---|
| IV.1 DPI Evasion / Pluggable Transports | TLS/WebSocket used but no additional obfuscation layers | |
| IV.2 Certificate-Based Core Node Admission | GPG certs used but not VCEK validation for TDX/SEV | |
| IV.3 Headless Daemons | All services are CLI-native daemons | |
| IV.4 Large Payload Handling | No OHT chunk distribution implemented |
PART V: Implementation Defenses
| Requirement | Status | Notes |
|---|---|---|
| V.1 CBNP (Coordinated Baseline Noise) | `crypto/src/cbnp.rs` - cover packets, burst mode, Poisson timing | |
| V.2 OMAP Pipelining / Bloom Filters | No parallel lookups or Bloom-filter delta syncing | |
| V.3 Hardened Secure Subspaces | mlock/mlock implemented, no guard pages (mmap) | |
| V.4 Lifecycle Integrations | Android/iOS native hooks not implemented |
PART VI: Sovereign Infrastructure Hardening
| Requirement | Status | Notes |
|---|---|---|
| VI.1 Confidential Computing Enclaves | No SEV-SNP/TDX attestation engine | |
| VI.2 Geopolitical Traffic Partitioning | No jurisdictional cascade enforcement |
## Detailed Test Results
Implemented Tests (Passing)
```
nullnode-crypto tests (32 passed):
- test_kyber_sizes: ML-KEM-1024 key size (1568 bytes) ✓
- test_braid_seed_extraction: Seed extraction for parallel generation ✓
- test_ek_hash: SHA-512 hash of encapsulation key ✓
- test_split_and_reconstruct_1568_key: Full braid reconstruction ✓
- test_bidirectional_ratchet_roundtrip: Double ratchet integration ✓
- test_delivery_master_secret_*: Delivery token generation ✓
- test_pir_*: Private Information Retrieval ✓
- test_cbnp_*: Cover traffic generation ✓
- test_secure_zero_memory: DSE-defeating memory wiping ✓
- test_secure_key_material_*: Guarded memory operations ✓
nullnode-protocol tests (16 passed):
- test_argon2_pow_*: Memory-hard PoW verification ✓
- test_split_and_reconstruct: Braid chunking ✓
```
### Missing Implementations (Critical Gaps)
-
**Group Messaging (PQ-Sender Keys)**
- ML-DSA-87 signing keypair for group messages
- Symmetric Chain Key distribution
- Epoch reset on member removal
-
**Hardware Attestation**
- REPORT_DATA binding to CPU
- VCEK certificate validation
- LAUNCH_MEASUREMENT build verification
- TCB 6-hour invalidation
-
**Mobile Platform Integration**
- iOS/Android lifecycle hooks
- Biometric gate integration
- Monotonic counter binding
-
**Network Optimizations**
- Parallel OMAP lookups
- Bloom-filter delta syncing
- Jurisdictional routing enforcement
Final Test Run Summary
```
nullnode-crypto tests (32 passed):
- test_kyber_sizes, test_braid_seed_extraction, test_ek_hash
- test_split_and_reconstruct_1568_key
- test_bidirectional_ratchet_roundtrip
- test_delivery_master_secret_*, test_delivery_token_*
- test_pir_* (contact discovery)
- test_cbnp_* (cover traffic)
- test_secure_zero_memory, test_secure_key_material_*
nullnode-protocol tests (16 passed):
- test_argon2_pow_* (memory-hard PoW)
- test_split_and_reconstruct (braid chunking)
- test_argon2_pow_per_node_salt
- test_pow_minimum_difficulty_enforcement
nullnode-p2p tests (2 passed):
- test_is_onion_address
- test_normalize_peer_address
nullnode-dht-core tests:
- Async GPG tests present but timeout on CI - designed for integration testing
```
## Verdict: PARTIAL COMPLIANCE
The NullNode implementation covers **core cryptographic primitives** (ML-KEM Braid, PIR, CBNP, secure memory) but lacks:
- **Hardware attestation infrastructure** (Part VI) - requires SEV/TDX-capable hosts
- **Full mobile optimizations** (Part II) - OS lifecycle integration missing
- **Group messaging** (Part I.3) - no scalable broadcast implementation
- **Advanced network features** (Part IV-V) - pipelining and jurisdictional enforcement