Files
blackroad-operating-system/services/codex/entries/020-side-channel-budget.md
Alexa Louise 9644737ba7 feat: Add domain architecture and extract core services from Prism Console
## Domain Architecture
- Complete domain-to-service mapping for 16 verified domains
- Subdomain architecture for blackroad.systems and blackroad.io
- GitHub organization mapping (BlackRoad-OS repos)
- Railway service-to-domain configuration
- DNS configuration templates for Cloudflare

## Extracted Services

### AIops Service (services/aiops/)
- Canary analysis for deployment validation
- Config drift detection
- Event correlation engine
- Auto-remediation with runbook mapping
- SLO budget management

### Analytics Service (services/analytics/)
- Rule-based anomaly detection with safe expression evaluation
- Cohort analysis with multi-metric aggregation
- Decision engine with credit budget constraints
- Narrative report generation

### Codex Governance (services/codex/)
- 82+ governance principles (entries)
- Codex Pantheon with 48+ agent archetypes
- Manifesto defining ethical framework

## Integration Points
- AIops → infra.blackroad.systems (blackroad-os-infra)
- Analytics → core.blackroad.systems (blackroad-os-core)
- Codex → operator.blackroad.systems (blackroad-os-operator)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-29 13:39:08 -06:00

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Markdown

# Codex 20 — Side-Channel Budget — Close the Acoustic/Energy Loops
**Fingerprint:** `23064887b1469b19fa562e8afdee5e9046bedf99aa9cd7142c35e38f91e6fef2`
## Aim
Bound information leakage through timing, power, or electromagnetic side channels.
## Core
- Estimate channel capacity using disturbance bounds: \(C \leq \tfrac{1}{2} \log\big(1 + \tfrac{P}{N}\big)\).
- Apply constant-time implementations, randomized blinding, and \(d\)-order masking to resist \(d - 1\) probes.
- Inject controlled noise, power gating, and scheduling jitter to lower signal-to-noise ratios.
## Runbook
1. Classify operations by sensitivity and enforce constant-time code paths.
2. Introduce noise and flatten power signatures with gating while adding timing jitter.
3. Validate countermeasures using correlation power analysis (CPA) score thresholds.
## Telemetry
- CPA correlation metrics against target features.
- Timing variance and electromagnetic signal-to-noise ratios.
- Success rate of side-channel penetration tests.
## Failsafes
- Disable sensitive features or require HSM execution when CPA exceeds threshold \(\tau\).
- Route workloads to hardened hardware whenever noise injections degrade functionality.
**Tagline:** Silence every leak the sensors can hear.