# Security Audit Preparation Checklist
**Project**: AION v2
**Date**: 2024-11-26
**Audit Target Date**: TBD
**Status**: In Preparation
## Pre-Audit Checklist
### Documentation Preparation
- [x] **Threat Model Documented**
- Location: `rfcs/RFC-0006-threat-model.md`
- Status: Complete with STRIDE analysis
- Review Date: 2024-11-23
- [x] **Attack Surface Analysis**
- Location: `docs/SECURITY_AUDIT_GUIDE.md`
- Sections Covered:
- [x] File format parser attack surface
- [x] Cryptographic operations attack surface
- [x] Key management attack surface
- [x] File operations attack surface
- [x] CLI interface attack surface
- [x] **Architecture Documentation**
- Location: `docs/SECURITY_AUDIT_GUIDE.md`, RFCs
- Components:
- [x] System architecture diagram
- [x] Trust boundary identification
- [x] Data flow diagrams
- [x] Component interaction map
- [x] **Cryptographic Specification**
- Location: `docs/SECURITY_AUDIT_GUIDE.md`
- Documented:
- [x] Algorithms and parameters
- [x] Library versions and audit status
- [x] Key derivation process
- [x] Random number generation
- [x] Cryptographic workflows
- [x] **Security-Critical Code Identified**
- Location: `docs/SECURITY_AUDIT_GUIDE.md` Section "Security-Critical Code Locations"
- Marked Areas:
- [x] Signature verification logic
- [x] Key derivation functions
- [x] Nonce generation
- [x] Parser bounds checking
- [x] Memory zeroization
### Code Quality & Testing
- [x] **Static Analysis Clean**
- Tool: `cargo clippy --all-targets -- -D warnings`
- Status: Zero warnings
- Last Run: 2024-11-26
- [x] **Security Linting Enabled**
- Clippy lints:
```toml
unwrap_used = "deny"
expect_used = "deny"
panic = "deny"
indexing_slicing = "warn"
```
- Status: Enforced in CI
- [x] **Dependency Audit Clean**
- Tool: `cargo audit`
- Status: No known vulnerabilities
- Last Run: Automated in CI
- Audit Frequency: Every commit
- [x] **Test Coverage Acceptable**
- Total Tests: 412 (410 passed, 2 ignored)
- Coverage: 90%+ on critical modules
- Test Types:
- [x] Unit tests (255)
- [x] Crypto test vectors (37) - RFC 8032, 8439, BLAKE3
- [x] Integration tests (23)
- [x] CLI integration tests (24, 2 ignored)
- [x] Doc tests (73)
- [x] **Cryptographic Test Vectors**
- RFC 8032 (Ed25519): 5 test vectors
- RFC 8439 (ChaCha20-Poly1305): 4 test vectors
- BLAKE3: 6 test vectors
- Security tampering tests: 12 tests
- Edge case tests: 10 tests
- [ ] **Extended Fuzz Testing** (PENDING AUDIT)
- Current: 10 minutes in CI
- Target: 24+ hours before audit
- Targets:
- [ ] File header parser
- [ ] Section readers
- [ ] Signature verification
- [ ] Encrypted rules decryption
- Tool: `cargo-fuzz`
- [x] **Integration Tests Complete**
- Workflows tested:
- [x] Complete init → commit → verify workflow
- [x] File corruption detection
- [x] Tampered signature detection
- [x] Invalid version sequence detection
- [x] Concurrent file access
- [x] Key export/import encryption
- [x] **Benchmark Suite**
- Performance testing: Complete
- Benchmarks: 23 functions
- Coverage:
- [x] Cryptographic operations
- [x] File operations
- [x] Parser operations
### Security Controls Verification
- [x] **Memory Safety**
- Language: Rust (memory-safe by default)
- Unsafe blocks: 0 in application code
- Zeroization: `zeroize` crate used for sensitive data
- Verification: Manual code review
- [x] **Input Validation**
- File format: Comprehensive validation in parser
- CLI arguments: Validated by `clap`
- Paths: Canonicalization applied
- Sizes: Limits enforced (MAX_FILE_SIZE = 1GB)
- [x] **Cryptographic Library Integration**
- Libraries: All from audited sources
- Versions: Latest stable releases
- Parameters: Reviewed and documented
- Usage: Verified against documentation
- [x] **Error Handling**
- Pattern: All `Result` types properly handled
- No `unwrap()`: Enforced by clippy
- No `panic!()`: Enforced by clippy (production code)
- Information leakage: Reviewed
- [x] **Key Management**
- Storage: OS keyring integration
- Zeroization: Applied after use
- Export encryption: Argon2id + ChaCha20-Poly1305
- Access control: OS-level permissions
### Repository Preparation
- [x] **Clean Git History**
- No secrets in history: Verified
- No hardcoded keys: Verified
- Proper `.gitignore`: In place
- [x] **CI/CD Pipeline**
- Status: All checks passing
- Checks:
- [x] Format (`cargo fmt`)
- [x] Clippy (`cargo clippy`)
- [x] Tests (`cargo test`)
- [x] Benchmarks (`cargo bench`)
- [x] Security audit (`cargo audit`)
- [x] Code coverage
- [x] **Documentation Up-to-Date**
- README: Current
- RFCs: All approved
- API docs: Complete
- Security docs: Complete
### Access & Environment
- [ ] **Audit Access Provisioned** (PENDING AUDITOR)
- Repository access: TBD
- Issue tracker access: TBD
- Communication channel: TBD
- [x] **Build Environment Documented**
- Rust version: 1.75.0 (or later)
- Dependencies: All via Cargo.toml
- Build instructions: In README.md
- Test instructions: In docs/
- [x] **Reproducible Builds**
- Cargo.lock: Committed
- Dependencies: Pinned versions
- Build flags: Documented
## Pre-Audit Actions
### Week Before Audit
- [ ] **Extended Fuzz Testing**
- Run file parser fuzzing for 24 hours
- Run signature verification fuzzing for 24 hours
- Document and fix any crashes
- Add regression tests for found issues
- [ ] **Final Dependency Audit**
- Run `cargo audit`
- Update any vulnerable dependencies
- Review security advisories
- Document any accepted risks
- [ ] **Code Freeze**
- No new features
- Only critical bug fixes
- Document all changes since audit agreement
- [ ] **Auditor Onboarding Package**
- Prepare:
- [ ] SECURITY_AUDIT_GUIDE.md
- [ ] AUDIT_PREPARATION_CHECKLIST.md (this file)
- [ ] Access credentials
- [ ] Point of contact information
- [ ] Expected timeline
### Day Before Audit Kickoff
- [ ] **Final Test Run**
- Run full test suite: `cargo test --all`
- Run benchmarks: `cargo bench`
- Verify all CI checks green
- [ ] **Environment Verification**
- Confirm auditor has repository access
- Verify communication channels working
- Share any last-minute updates
- [ ] **Kickoff Meeting Preparation**
- Prepare architecture walkthrough
- Prepare demo of key features
- List any known issues or concerns
- Prepare questions for auditors
## During Audit Checklist
### Ongoing Support
- [ ] **Responsive Communication**
- Designated point of contact available
- Response time: < 24 hours for questions
- Escalation path defined
- [ ] **Code Walkthrough Sessions**
- Schedule as needed with auditors
- Focus on security-critical sections
- Answer architectural questions
- [ ] **Issue Tracking**
- Create audit tracking project/board
- Log all findings as they're reported
- Prioritize issues (Critical, High, Medium, Low)
- Track remediation status
### Documentation Updates
- [ ] **Maintain Findings Log**
- Document each reported issue
- Include:
- Finding description
- Severity
- Affected code
- Remediation plan
- Status
- [ ] **Track Questions & Answers**
- Keep record of all auditor questions
- Document answers and clarifications
- Update documentation as needed
## Post-Audit Checklist
### Immediate Actions
- [ ] **Review Audit Report**
- Read thoroughly
- Understand each finding
- Ask for clarifications if needed
- Prioritize issues
- [ ] **Create Remediation Plan**
- For each finding:
- [ ] Assess severity
- [ ] Identify root cause
- [ ] Design fix
- [ ] Estimate effort
- [ ] Assign owner
- [ ] Set deadline
- [ ] **Address Critical Issues**
- Fix all Critical severity issues
- Implement recommended mitigations
- Add regression tests
- Verify fixes effective
### Short-Term Actions (1-2 Weeks)
- [ ] **Address High-Priority Issues**
- Implement fixes for High severity
- Update tests to cover issues
- Update documentation
- [ ] **Code Quality Improvements**
- Address Medium/Low issues
- Implement recommended practices
- Improve code clarity
- [ ] **Re-Test**
- Run full test suite
- Add tests for fixed issues
- Verify no regressions
### Medium-Term Actions (1 Month)
- [ ] **Re-Audit Critical Fixes** (if recommended)
- Have auditors verify critical fixes
- Provide updated code
- Document all changes
- [ ] **Update Security Documentation**
- Incorporate audit findings
- Update threat model if needed
- Document new mitigations
- Update this checklist
- [ ] **Process Improvements**
- Review what went well
- Identify areas for improvement
- Update development practices
- Train team on findings
### Long-Term Actions
- [ ] **Continuous Monitoring**
- Regular `cargo audit` runs
- Monitor security advisories
- Update dependencies regularly
- [ ] **Regular Re-Assessment**
- Annual security review
- Threat model updates
- Re-audit after major changes
## Critical Issues That Would Block Audit
❌ **MUST FIX BEFORE AUDIT:**
1. Any `cargo audit` vulnerabilities (Critical/High)
2. Failing tests in CI
3. Memory safety issues (unsafe code without safety proof)
4. Missing cryptographic test vectors
5. Undocumented security-critical code
⚠️ **SHOULD FIX BEFORE AUDIT:**
1. Incomplete fuzz testing
2. Code coverage gaps in critical modules
3. Dependency version inconsistencies
4. Missing error handling in edge cases
## Audit Scope
### In Scope
✅ **Code Review**:
- All Rust source code in `src/`
- Test code in `tests/`
- Benchmark code in `benches/`
✅ **Cryptographic Review**:
- Algorithm selection and parameters
- Library integration
- Key management
- Random number generation
✅ **Penetration Testing**:
- File format parser
- Signature verification
- Key extraction attempts
- File tampering attempts
✅ **Security Architecture**:
- Threat model validation
- Attack surface analysis
- Security control effectiveness
### Out of Scope
❌ **Not Included**:
- Operating system vulnerabilities
- Hardware security (TPM/HSM)
- Social engineering attacks
- Physical security
- Side-channel attacks (timing, power)
- Quantum computing threats
- Third-party library implementation (only integration)
## Success Criteria
**Audit is successful if:**
1. ✅ No Critical or High severity issues in core security functions
2. ✅ All cryptographic implementations verified correct
3. ✅ No signature verification bypass possible
4. ✅ No private key extraction possible
5. ✅ No file format exploits discovered
6. ✅ Memory safety verified
7. ✅ All identified issues have remediation plan
**Acceptable outcomes:**
- Medium/Low severity findings (expected)
- Code quality recommendations (welcome)
- Architecture suggestions (valuable)
- Test coverage improvements (actionable)
**Unacceptable outcomes:**
- Critical signature verification bypass
- Private key extraction from keystore
- Remote code execution vulnerability
- Data corruption without detection
## Auditor Requirements
**We request auditors with:**
1. **Cryptographic Expertise**:
- Understanding of Ed25519, ChaCha20-Poly1305, BLAKE3
- Experience auditing cryptographic implementations
- Knowledge of common crypto implementation bugs
2. **Rust Experience**:
- Familiarity with Rust memory model
- Understanding of Rust crypto libraries
- Ability to review unsafe code
3. **Security Testing Skills**:
- Penetration testing experience
- Fuzzing expertise
- Binary file format analysis
4. **Tools Familiarity**:
- `cargo-fuzz`, `AFL++`
- `cargo-audit`, `semgrep`
- Memory analysis tools
## Timeline
**Proposed Schedule**:
- Week -4: Finalize documentation
- Week -3: Extended fuzz testing
- Week -2: Auditor onboarding
- Week -1: Final preparations
- **Week 0: Audit begins**
- Week 1-2: Active audit phase
- Week 3: Findings report delivered
- Week 4-6: Remediation period
- Week 7: Re-audit critical issues (if needed)
- Week 8: Final report and sign-off
## Notes
- This checklist should be reviewed and updated after each audit
- All completed items should have verification evidence
- Any deviations from the plan should be documented
- Keep communication log with auditors
---
**Last Updated**: 2024-11-26
**Next Review**: Before audit kickoff
**Owner**: Security Team
**Version**: 1.0