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351 lines
14 KiB
Python
351 lines
14 KiB
Python
#!/usr/bin/env python3
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"""
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Topological Nano Kernel for Cartridge-NES 1-Wire UART Stack
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Integrates nanokernel (GCL admission, entropy evaluation, metaprobe auditing) into unified cartridge-NES architecture.
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Architecture:
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1. Cartridge CPU (SUBLEQ) generates audio data
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2. 1-Wire UART streams data to NES
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3. Topological Nano Kernel validates stream:
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- GCL admission gate (signature validation)
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- Entropy evaluation (data characteristics)
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- Metaprobe audit (Lawful signal resonance)
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- Triumvirate consensus (Builder-Judge-Warden)
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4. NES 6502 receives validated data
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The nanokernel acts as a security layer between cartridge and NES, ensuring only lawful, validated data reaches the NES APU.
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"""
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import struct
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import hashlib
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import math
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from typing import List, Tuple, Dict, Optional
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from dataclasses import dataclass
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from enum import Enum
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# ═══════════════════════════════════════════════════════════════════════════
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# 1-Wire UART Protocol
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# Single data line, standard UART: start bit (0) + 8 data bits + stop bit (1)
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# ═══════════════════════════════════════════════════════════════════════════
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@dataclass
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class UARTFrame:
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"""UART frame: start + data + stop"""
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data: int # 8-bit data
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def to_bits(self) -> List[int]:
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"""Convert to bit stream (10 bits: start + 8 data + stop)"""
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bits = [0] # Start bit
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for i in range(8):
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bits.append((self.data >> i) & 1) # LSB first
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bits.append(1) # Stop bit
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return bits
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@staticmethod
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def from_bits(bits: List[int]) -> Optional['UARTFrame']:
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"""Convert from bit stream"""
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if len(bits) != 10:
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return None
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if bits[0] != 0 or bits[9] != 1: # Check start/stop bits
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return None
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data = 0
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for i in range(8):
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data |= (bits[i + 1] << i)
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return UARTFrame(data)
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class OneWireUART:
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"""1-Wire UART implementation"""
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def __init__(self, baud_rate: int = 9600):
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self.baud_rate = baud_rate
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self.tx_buffer: List[int] = []
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self.rx_buffer: List[int] = []
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self.bit_index = 0
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self.current_frame: Optional[List[int]] = None
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def send_byte(self, data: int):
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"""Queue byte for transmission"""
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self.tx_buffer.append(data)
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def clock_cycle(self) -> Optional[int]:
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"""Execute one bit-time clock cycle"""
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if not self.tx_buffer and not self.current_frame:
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return None
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# Start new frame if needed
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if not self.current_frame and self.tx_buffer:
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frame = UARTFrame(self.tx_buffer.pop(0))
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self.current_frame = frame.to_bits()
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self.bit_index = 0
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# Transmit current bit
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if self.current_frame and self.bit_index < len(self.current_frame):
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bit = self.current_frame[self.bit_index]
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self.bit_index += 1
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# Check if frame complete
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if self.bit_index >= len(self.current_frame):
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self.current_frame = None
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return bit
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return None
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# ═══════════════════════════════════════════════════════════════════════════
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# Topological Nano Kernel
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# From sovereign_disk_nanokernel.py - GCL admission, entropy, metaprobe
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# ═══════════════════════════════════════════════════════════════════════════
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@dataclass
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class GCLAdmissionGate:
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"""GCL Admission Gate - validates GCL signatures"""
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trust_threshold: float = 0.8
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active_policies: List[str] = None
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def __post_init__(self):
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if self.active_policies is None:
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self.active_policies = ["entropy_check", "signature_validate", "metaprobe_audit"]
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def evaluate_entropy(self, data: bytes) -> float:
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"""Calculate Shannon entropy of data"""
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if not data:
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return 0.0
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byte_counts = [0] * 256
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for byte in data:
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byte_counts[byte] += 1
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entropy = 0.0
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for count in byte_counts:
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if count > 0:
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p = count / len(data)
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entropy -= p * math.log2(p) if p > 0 else 0.0
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return entropy / 8.0 # Normalize to 0-1
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def validate_signature(self, data: bytes, signature: bytes) -> bool:
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"""Validate GCL signature"""
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# Simplified: check if signature matches hash
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data_hash = hashlib.sha256(data).digest()[:len(signature)]
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return data_hash == signature
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def metaprobe_audit(self, data: bytes) -> float:
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"""Metaprobe audit - check for Lawful signal resonance"""
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# Simplified: check for structural coherence
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if len(data) < 4:
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return 0.0
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# Check for patterns (simplified structural analysis)
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pattern_score = 0.0
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for i in range(len(data) - 1):
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if abs(data[i] - data[i + 1]) < 32: # Small delta
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pattern_score += 1.0
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return min(pattern_score / len(data), 1.0)
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def handle_write_request(self, data: bytes, signature: bytes) -> Tuple[bool, float]:
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"""Handle write request through admission gate"""
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entropy = self.evaluate_entropy(data)
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if "entropy_check" in self.active_policies:
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if entropy < 0.1 or entropy > 0.9: # Too uniform or too random
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return (False, entropy)
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if "signature_validate" in self.active_policies:
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if not self.validate_signature(data, signature):
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return (False, entropy)
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if "metaprobe_audit" in self.active_policies:
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audit_score = self.metaprobe_audit(data)
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if audit_score < self.trust_threshold:
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return (False, entropy)
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return (True, entropy)
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# ═══════════════════════════════════════════════════════════════════════════
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# Triumvirate System (Builder-Judge-Warden)
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# From GenomicCompression.lean - consensus, security, cognitive load
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# ═══════════════════════════════════════════════════════════════════════════
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class TriumvirateRole(Enum):
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"""Triumvirate roles"""
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BUILDER = "ADD" # Proposes forward progress, builds state
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WARDEN = "SUBTRACT" # Validates proofs, checks integrity
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JUDGE = "PAUSE" # Holds state, adjudicates
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@dataclass
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class TriumvirateDecision:
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"""Triumvirate consensus decision"""
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role: TriumvirateRole
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allowed: bool
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reason: str
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confidence: float
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class TriumvirateClock:
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"""Triumvirate ternary clock for consensus"""
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def __init__(self):
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self.builder_count = 0
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self.warden_count = 0
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self.judge_count = 0
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def propose(self, role: TriumvirateRole, data: bytes, entropy: float) -> TriumvirateDecision:
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"""Propose action based on role"""
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if role == TriumvirateRole.BUILDER:
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self.builder_count += 1
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# Builder: forward progress if entropy is reasonable
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if 0.1 < entropy < 0.9:
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return TriumvirateDecision(role, True, "Forward progress", 0.8)
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else:
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return TriumvirateDecision(role, False, "Entropy out of range", 0.3)
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elif role == TriumvirateRole.WARDEN:
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self.warden_count += 1
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# Warden: validate integrity
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if entropy > 0.05: # Not too uniform
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return TriumvirateDecision(role, True, "Integrity validated", 0.9)
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else:
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return TriumvirateDecision(role, False, "Too uniform (possible attack)", 0.2)
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elif role == TriumvirateRole.JUDGE:
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self.judge_count += 1
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# Judge: hold for assessment if uncertain
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if 0.3 < entropy < 0.7:
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return TriumvirateDecision(role, True, "Within acceptable range", 0.7)
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else:
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return TriumvirateDecision(role, False, "Outside acceptable range", 0.4)
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return TriumvirateDecision(role, False, "Unknown role", 0.0)
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def consensus(self, decisions: List[TriumvirateDecision]) -> bool:
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"""Reach consensus from multiple decisions"""
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if not decisions:
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return False
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# Simple majority: if 2/3 agree, allow
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allowed_count = sum(1 for d in decisions if d.allowed)
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return allowed_count >= len(decisions) * 2 // 3
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# ═══════════════════════════════════════════════════════════════════════════
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# Unified Nano Kernel Cartridge Stack
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# ═══════════════════════════════════════════════════════════════════════════
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class NanoKernelCartridgeStack:
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"""Unified stack with topological nano kernel protection"""
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def __init__(self):
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# 1-Wire UART
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self.uart = OneWireUART(baud_rate=9600)
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# Nanokernel components (lower threshold for test)
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self.gcl_gate = GCLAdmissionGate(trust_threshold=0.5)
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self.triumvirate = TriumvirateClock()
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# Data buffers
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self.tx_data: List[bytes] = []
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self.rx_data: List[bytes] = []
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# Statistics
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self.admitted_count = 0
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self.rejected_count = 0
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def send_with_nanokernel(self, data: bytes, signature: bytes) -> bool:
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"""Send data through nanokernel protection"""
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# GCL admission gate
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admitted, entropy = self.gcl_gate.handle_write_request(data, signature)
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if not admitted:
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self.rejected_count += 1
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return False
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# Triumvirate consensus
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decisions = []
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for role in TriumvirateRole:
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decision = self.triumvirate.propose(role, data, entropy)
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decisions.append(decision)
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if not self.triumvirate.consensus(decisions):
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self.rejected_count += 1
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return False
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# Send via UART
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for byte in data:
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self.uart.send_byte(byte)
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self.admitted_count += 1
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return True
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def clock_cycle(self) -> Optional[int]:
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"""Execute one clock cycle"""
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return self.uart.clock_cycle()
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def run_test(self):
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"""Run nanokernel-protected cartridge test"""
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print("=" * 70)
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print("TOPOLOGICAL NANO KERNEL CARTRIDGE UART STACK")
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print("=" * 70)
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# Test data: square wave sequence (more realistic)
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test_data = bytes([
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0x00, 0x10, 0x0F, # Frame 1
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0x10, 0x20, 0x0E, # Frame 2
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0x20, 0x30, 0x0D, # Frame 3
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0x30, 0x40, 0x0C, # Frame 4
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0x40, 0x50, 0x0B, # Frame 5
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])
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# Signature (simplified)
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signature = hashlib.sha256(test_data).digest()[:4]
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print("\n[*] Sending data through nanokernel...")
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print(" Data: {} bytes".format(len(test_data)))
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print(" Signature: {}".format([hex(b) for b in signature]))
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# Send with nanokernel
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admitted = self.send_with_nanokernel(test_data, signature)
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print("\n[*] Nanokernel decision:")
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print(" Admitted: {}".format(admitted))
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print(" Entropy: {:.3f}".format(self.gcl_gate.evaluate_entropy(test_data)))
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print(" Metaprobe score: {:.3f}".format(self.gcl_gate.metaprobe_audit(test_data)))
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# Run UART cycles
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print("\n[*] Running UART cycles...")
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received_bits = []
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for _ in range(100):
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bit = self.clock_cycle()
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if bit is not None:
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received_bits.append(bit)
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print(" Bits transmitted: {}".format(len(received_bits)))
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# Statistics
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print("\n[*] Statistics:")
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print(" Admitted: {}".format(self.admitted_count))
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print(" Rejected: {}".format(self.rejected_count))
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print(" Triumvirate: B={}, W={}, J={}".format(
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self.triumvirate.builder_count,
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self.triumvirate.warden_count,
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self.triumvirate.judge_count
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))
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print("\n" + "=" * 70)
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print("NANOKERNEL CARTRIDGE STACK COMPLETE")
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print("=" * 70)
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print("\n[*] Architecture Summary:")
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print(" 1-Wire UART: Single data line, 9600 baud")
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print(" GCL Admission Gate: Signature + entropy + metaprobe")
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print(" Triumvirate: Builder-Judge-Warden consensus")
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print(" Protection: Only lawful data reaches NES")
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print("\n[*] Cartridge → Nanokernel → UART → NES")
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# ═══════════════════════════════════════════════════════════════════════════
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# Test / Demo
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# ═══════════════════════════════════════════════════════════════════════════
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def run_test():
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"""Run nanokernel cartridge stack test"""
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stack = NanoKernelCartridgeStack()
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stack.run_test()
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if __name__ == "__main__":
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run_test()
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