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# ADR-009: Complete Security System Implementation\n\n**Status**: Implemented\n**Date**: 2025-10-08\n**Decision Makers**: Architecture Team\n\n---\n\n## Context\n\nThe Provisioning platform required a comprehensive, enterprise-grade security system covering authentication, authorization, secrets management, MFA,\ncompliance, and emergency access. The system needed to be production-ready, scalable, and compliant with GDPR, SOC2, and ISO 27001.\n\n---\n\n## Decision\n\nImplement a complete security architecture using 12 specialized components organized in 4 implementation groups.\n\n---\n\n## Implementation Summary\n\n### Total Implementation\n\n- **39,699 lines** of production-ready code\n- **136 files** created/modified\n- **350+ tests** implemented\n- **83+ REST endpoints** available\n- **111+ CLI commands** ready\n\n---\n\n## Architecture Components\n\n### Group 1: Foundation (13,485 lines)\n\n#### 1. JWT Authentication (1,626 lines)\n\n**Location**: `provisioning/platform/control-center/src/auth/`\n\n**Features**:\n\n- RS256 asymmetric signing\n- Access tokens (15 min) + refresh tokens (7 d)\n- Token rotation and revocation\n- Argon2id password hashing\n- 5 user roles (Admin, Developer, Operator, Viewer, Auditor)\n- Thread-safe blacklist\n\n**API**: 6 endpoints\n**CLI**: 8 commands\n**Tests**: 30+\n\n#### 2. Cedar Authorization (5,117 lines)\n\n**Location**: `provisioning/config/cedar-policies/`, `provisioning/platform/orchestrator/src/security/`\n\n**Features**:\n\n- Cedar policy engine integration\n- 4 policy files (schema, production, development, admin)\n- Context-aware authorization (MFA, IP, time windows)\n- Hot reload without restart\n- Policy validation\n\n**API**: 4 endpoints\n**CLI**: 6 commands\n**Tests**: 30+\n\n#### 3. Audit Logging (3,434 lines)\n\n**Location**: `provisioning/platform/orchestrator/src/audit/`\n\n**Features**:\n\n- Structured JSON logging\n- 40+ action types\n- GDPR compliance (PII anonymization)\n- 5 export formats (JSON, CSV, Splunk, ECS, JSON Lines)\n- Query API with advanced filtering\n\n**API**: 7 endpoints\n**CLI**: 8 commands\n**Tests**: 25\n\n#### 4. Config Encryption (3,308 lines)\n\n**Location**: `provisioning/core/nulib/lib_provisioning/config/encryption.nu`\n\n**Features**:\n\n- SOPS integration\n- 4 KMS backends (Age, AWS KMS, Vault, Cosmian)\n- Transparent encryption/decryption\n- Memory-only decryption\n- Auto-detection\n\n**CLI**: 10 commands\n**Tests**: 7\n\n---\n\n### Group 2: KMS Integration (9,331 lines)\n\n#### 5. KMS Service (2,483 lines)\n\n**Location**: `provisioning/platform/kms-service/`\n\n**Features**:\n\n- HashiCorp Vault (Transit engine)\n- AWS KMS (Direct + envelope encryption)\n- Context-based encryption (AAD)\n- Key rotation support\n- Multi-region support\n\n**API**: 8 endpoints\n**CLI**: 15 commands\n**Tests**: 20\n\n#### 6. Dynamic Secrets (4,141 lines)\n\n**Location**: `provisioning/platform/orchestrator/src/secrets/`\n\n**Features**:\n\n- AWS STS temporary credentials (15 min-12 h)\n- SSH key pair generation (Ed25519)\n- UpCloud API subaccounts\n- TTL manager with auto-cleanup\n- Vault dynamic secrets integration\n\n**API**: 7 endpoints\n**CLI**: 10 commands\n**Tests**: 15\n\n#### 7. SSH Temporal Keys (2,707 lines)\n\n**Location**: `provisioning/platform/orchestrator/src/ssh/`\n\n**Features**:\n\n- Ed25519 key generation\n- Vault OTP (one-time passwords)\n- Vault CA (certificate authority signing)\n- Auto-deployment to authorized_keys\n- Background cleanup every 5 min\n\n**API**: 7 endpoints\n**CLI**: 10 commands\n**Tests**: 31\n\n---\n\n### Group 3: Security Features (8,948 lines)\n\n#### 8. MFA Implementation (3,229 lines)\n\n**Location**: `provisioning/platform/control-center/src/mfa/`\n\n**Features**:\n\n- TOTP (RFC 6238, 6-digit codes, 30 s window)\n- WebAuthn/FIDO2 (YubiKey, Touch ID, Windows Hello)\n- QR code generation\n- 10 backup codes per user\n- Multiple devices per user\n- Rate limiting (5 attempts/5 min)\n\n**API**: 13 endpoints\n**CLI**: 15 commands\n**Tests**: 85+\n\n#### 9. Orchestrator Auth Flow (2,540 lines)\n\n**Location**: `provi
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