Core System Architecture Part 53 — Anonymous Network Governance, Policy Distribution, Trust Roots, Multi-Authority Control & Emergency Decision Architecture
SIAR — Secure, Local-First, Multi-Transport Communication Platform
Series: Core System Architecture
Part: 53
Status: Architecture specification
Primary language: Rust
Builds on: Core System Architecture Parts 34–52
Primary purpose: define the governance and policy-control architecture for SIAR's anonymous network, including trust roots, authority hierarchy, threshold control, signed policy distribution, precedence, emergency decisions, authority rotation, operator governance, transparency, audit, conflict handling, and client-side policy enforcement.
1. Purpose
Anonymous-network infrastructure needs governance.
Some entity or set of entities must make decisions about:
protocol minimums
directory authorities
provider admission
operator revocation
security policy
privacy requirements
emergency disablement
trust-root rotation
software minimums
capacity/governance rules
If this authority is centralized and weakly controlled, one compromised administrator can silently change network behavior.
The governing principle is:
No single online operator or administrator should be able to silently weaken SIAR's anonymity, trust, or protocol-security policy. Governance decisions must be signed, scoped, auditable, versioned, quorum-controlled where critical, and constrained by client-side invariants.
2. Architectural Position
Offline Trust Root
│
▼
Governance Authorities
│
▼
Threshold / Quorum Decision
│
▼
Signed Policy Bundle
│
▼
Directory / Providers / Clients
│
▼
Local Enforcement
3. Core Separation
Keep distinct:
root authority
governance authority
directory authority
provider operator
auditor
release signer
incident responder
client policy engine
4. Non-Goals
Part 53 does not require:
on-chain governance
cryptocurrency voting
public token-weighted governance
one-person-one-vote identity system
5. Governance Domains
#![allow(unused)] fn main() { pub enum GovernanceDomain { TrustRoots, DirectoryAuthorities, ProtocolSecurity, ProviderAdmission, OperatorRevocation, PrivacyPolicy, ReleasePolicy, EmergencyResponse, MarketplacePolicy, } }
6. Authority Classes
#![allow(unused)] fn main() { pub enum GovernanceAuthorityClass { Root, Policy, Directory, Release, Emergency, Audit, } }
7. Offline Root
Highest-trust authority.
Used rarely.
8. Root Responsibilities
bootstrap trust
authorize governance authorities
rotate root
recover from authority compromise
9. Root Must Not Sign Routine Operations
Hard rule.
10. Online Policy Authorities
Handle:
normal policy updates
minimum protocol versions
provider rules
privacy profiles
11. Directory Authorities
Handle:
topology publication
node/operator eligibility
revocation feed
12. Release Authorities
Handle:
signed software releases
update manifests
13. Emergency Authorities
Can issue narrowly scoped emergency policy.
14. Audit Authorities
Verify:
governance process
provider policy claims
authority actions
15. Trust Hierarchy
Recommended:
Offline Root
├── Governance Policy Authority
├── Directory Authority Set
├── Release Authority
├── Emergency Authority Set
└── Audit Authority
16. Trust Root ID
#![allow(unused)] fn main() { pub struct TrustRootId(pub [u8; 32]); }
17. Authority ID
#![allow(unused)] fn main() { pub struct GovernanceAuthorityId(pub [u8; 32]); }
18. Authority Descriptor
#![allow(unused)] fn main() { pub struct GovernanceAuthorityDescriptor { pub authority_id: GovernanceAuthorityId, pub class: GovernanceAuthorityClass, pub public_key: AuthorityPublicKey, pub valid_from: Timestamp, pub valid_until: Timestamp, pub capabilities: AuthorityCapabilities, pub root_signature: RootSignature, } }
19. Authority Capability
Authorities are scoped.
20. Example
Directory authority cannot sign:
software release
unless explicitly authorized.
21. Capability Type
#![allow(unused)] fn main() { pub enum AuthorityCapability { SignTopology, RevokeProvider, PublishPolicy, SignRelease, IssueEmergencyPolicy, RotateAuthority, } }
22. Least Authority
Hard rule.
23. Multi-Authority Control
Critical decisions should require quorum.
24. Quorum Policy
#![allow(unused)] fn main() { pub struct GovernanceQuorum { pub required: u16, pub total: u16, } }
25. Example
3-of-5 policy authorities
26. Threshold Signature vs Multi-Signature
Two options:
threshold cryptographic signature
or
bundle of independent signatures
27. Initial Recommendation
Use explicit multi-signature bundle first.
Reasons:
simpler auditing
simpler implementation
clear signer identity
28. Future
Threshold signatures can reduce payload size.
29. Signature Bundle
#![allow(unused)] fn main() { pub struct AuthoritySignatureBundle { pub signatures: Vec<AuthoritySignature>, } }
30. Verification Rule
distinct authorized signers
+
quorum reached
+
signer capability valid
+
time valid
31. Duplicate Signer
Does not increase quorum.
32. Expired Authority
Signature invalid for new policy.
33. Revoked Authority
Signature invalid after revocation effective time.
34. Policy Object
#![allow(unused)] fn main() { pub struct GovernancePolicyBundle { pub version: GovernancePolicyVersion, pub domain: GovernanceDomain, pub effective_at: Timestamp, pub expires_at: Option<Timestamp>, pub payload: GovernancePolicyPayload, pub signatures: AuthoritySignatureBundle, } }
35. Governance Policy Version
#![allow(unused)] fn main() { pub struct GovernancePolicyVersion(pub u64); }
Monotonic per domain.
36. Policy Payloads
Examples:
minimum protocol floor
privacy-mode requirements
provider admission rules
operator concentration caps
revocation policy
release minimum version
37. Policy Distribution
Use:
signed mirrors
directory
provider catalog
offline bundle
peer-assisted signed transfer
38. Distributor Is Untrusted
Trust is in signatures.
39. Client-Side Enforcement
Hard rule.
Even trusted directory cannot tell client to violate local hard privacy invariant.
40. Local Policy Engine
#![allow(unused)] fn main() { pub trait GovernancePolicyEngine { fn evaluate( &self, bundle: &GovernancePolicyBundle, local_invariants: &LocalSecurityInvariants, ) -> Result<EffectiveGovernancePolicy, GovernanceError>; } }
41. Policy Precedence
Recommended order:
compile-time hard invariants
> emergency security floor
> signed governance policy
> managed organization policy
> user preference
> performance preference
42. Hard Invariants
Cannot be remotely disabled.
Examples:
no silent direct fallback
no unauthenticated downgrade
no universal deanonymization key
43. User Preference
May strengthen privacy.
44. User Preference Cannot Weaken Mandatory Floor
Hard rule.
45. Organization Policy
May strengthen restrictions.
46. Organization Policy Cannot Override Global Security Floor
Hard rule.
47. Emergency Policy
Needed when:
crypto broken
provider compromised
protocol exploit
malicious authority discovered
48. Emergency Policy Type
#![allow(unused)] fn main() { pub struct EmergencyGovernancePolicy { pub incident_id: GovernanceIncidentId, pub scope: EmergencyScope, pub action: EmergencyAction, pub effective_at: Timestamp, pub expires_at: Timestamp, pub signatures: AuthoritySignatureBundle, } }
49. Mandatory Expiry
Hard rule.
Emergency policy cannot live forever.
50. Emergency Scope
#![allow(unused)] fn main() { pub enum EmergencyScope { ProtocolVersion(ProtocolDomain, ProtocolVersion), CryptoSuite(CryptoSuiteId), Provider(AnonymousProviderId), Operator(ProviderOperatorId), Authority(GovernanceAuthorityId), Release(SoftwareVersion), } }
51. Emergency Actions
#![allow(unused)] fn main() { pub enum EmergencyAction { Block, Suspend, RequireUpgrade, RaiseSecurityFloor, DisableCapability, } }
52. Forbidden Emergency Action
lower privacy floor
enable direct fallback
disable signature verification
53. Emergency Authority Cannot Expand Its Own Power
Hard rule.
54. Emergency Quorum
Can be smaller than normal quorum for speed.
55. But
Still must be:
multi-party
scoped
expiring
audited
56. Example
Normal policy:
3-of-5
Emergency:
2-of-5
57. Emergency Confirmation
After emergency window:
normal quorum must confirm
or
policy expires
58. No Permanent Emergency Governance
Hard rule.
59. Authority Revocation
Need signed revocation.
60. Authority Revocation Record
#![allow(unused)] fn main() { pub struct AuthorityRevocation { pub authority_id: GovernanceAuthorityId, pub reason: AuthorityRevocationReason, pub effective_at: Timestamp, pub signatures: AuthoritySignatureBundle, } }
61. Revocation Reason
#![allow(unused)] fn main() { pub enum AuthorityRevocationReason { KeyCompromise, OperationalFailure, PolicyViolation, Retirement, GovernanceDecision, } }
62. Compromised Authority
Immediately excluded.
63. Revocation Distribution
High priority.
64. Revocation Freshness
Strict.
65. Client Behavior
If authority-revocation state too stale:
stop accepting new governance policy
66. Authority Rotation
Add new before removing old.
67. Rotation Flow
root authorizes new authority
→ distribute trust bundle
→ overlap
→ new authority active
→ old authority retired
68. Authority Epoch
#![allow(unused)] fn main() { pub struct AuthorityEpoch(pub u64); }
69. Trust Bundle
#![allow(unused)] fn main() { pub struct GovernanceTrustBundle { pub root: TrustRootDescriptor, pub authorities: Vec<GovernanceAuthorityDescriptor>, pub epoch: AuthorityEpoch, pub signatures: RootSignatureBundle, } }
70. Trust Bundle Anti-Rollback
Required.
71. Client Stores Highest Accepted Epoch
Hard rule.
72. Root Rotation
Rare.
73. Root Rollover
Recommended:
old root signs new root
new root cross-signs transition
overlap
old root retires
74. Root Compromise
Exceptional recovery.
75. Root Recovery
Possible threshold custodians.
76. No Single Human Root Secret
Hard rule.
77. Root Custody
Possible:
M-of-N secret shares
hardware tokens/HSM
offline custody
78. Root Ceremony
Documented and audited.
79. Ceremony Requirements
multiple custodians
recorded approvals
artifact hashes
key fingerprints
80. Root Key Usage
Offline only.
81. Online HSM
For policy authority keys where appropriate.
82. Governance Decision Types
#![allow(unused)] fn main() { pub enum GovernanceDecisionType { PolicyChange, AuthorityChange, ProviderAdmission, ProviderRevocation, OperatorSuspension, ProtocolDeprecation, EmergencyAction, } }
83. Decision Record
#![allow(unused)] fn main() { pub struct GovernanceDecision { pub decision_id: GovernanceDecisionId, pub decision_type: GovernanceDecisionType, pub policy_version: GovernancePolicyVersion, pub effective_at: Timestamp, pub signatures: AuthoritySignatureBundle, } }
84. Decision Transparency
Append-only log.
85. Transparency Log
Contains:
policy versions
authority changes
provider/operator admission
revocations
emergency actions
86. Transparency Log Must Not Contain
user IDs
route IDs
mailbox IDs
contact graph
87. Transparency Entry
#![allow(unused)] fn main() { pub struct GovernanceTransparencyEntry { pub sequence: u64, pub decision_digest: [u8; 32], pub timestamp: Timestamp, } }
88. Hash Chaining
Recommended.
89. Merkle Transparency
Future improvement.
90. Equivocation
Authority may publish two different policies at same version.
91. Equivocation Proof
#![allow(unused)] fn main() { pub struct GovernanceEquivocationProof { pub domain: GovernanceDomain, pub version: GovernancePolicyVersion, pub first_digest: [u8; 32], pub second_digest: [u8; 32], pub signatures: Vec<AuthoritySignature>, } }
92. Client Behavior On Equivocation
reject conflicting policy
retain last valid unambiguous state
raise critical alert
93. Automatic Signer Suspension
Potential if proof valid.
94. Requires Governance Policy
Do not allow arbitrary client to revoke authority alone.
95. Policy Conflict
Two valid authorities disagree.
96. Resolution
Use quorum.
97. Below-Quorum Statement
Informational only.
98. Policy Fork
If two different bundles both reach quorum:
critical governance failure.
99. Client Response
Fail closed for affected new decisions.
100. Existing Safe State
May continue until expiry.
101. Governance Partition
Authorities split across network.
102. Majority/Quorum Side
Can continue signing if quorum exists.
103. Minority
Cannot publish authoritative new policy.
104. No Emergency Quorum Auto-Reduction
Hard rule.
105. Offline Governance
Clients use cached policy within freshness/expiry.
106. Expired Policy
Depending domain:
continue current safe floor
stop new privileged operation
107. Policy Freshness Classes
#![allow(unused)] fn main() { pub enum PolicyFreshnessClass { LongLived, Normal, SecurityCritical, } }
108. LongLived
Examples:
root trust
109. Normal
Examples:
provider admission rules
110. SecurityCritical
Examples:
revocation
emergency protocol block
111. Operator Admission
Governance defines who may operate:
mix nodes
mailboxes
relays
bridges
bulk providers
112. Operator Application
Includes:
operator key
service classes
infrastructure proof
policy declarations
113. Admission Authority
Part 39/48 integration.
114. Operator Admission State
#![allow(unused)] fn main() { pub enum OperatorGovernanceState { Pending, Approved, Probation, Active, Suspended, Revoked, Retired, } }
115. Probation
New operators get limited capacity weight.
116. Operator Suspension
Temporary.
117. Operator Revocation
Removes all provider eligibility.
118. Provider vs Operator Revocation
Different.
119. Provider Revocation
One service endpoint.
120. Operator Revocation
All providers under operator.
121. Operator Self-Removal
Supported.
122. Graceful Retirement
Advertise retirement window.
123. Malicious Operator
Immediate revocation possible.
124. Admission Transparency
Public/pseudonymous operator governance record.
125. PII Minimization
Governance registry should not publish personal home addresses.
126. Legal Identity
If needed privately for business/governance, separate storage.
127. Public Operator ID
Pseudonymous/organizational.
128. Governance Privacy
Governance can be transparent without publishing operator private contact details.
129. Policy Distribution Format
Use canonical versioned binary.
130. Postcard
Suitable internally if canonical/versioned.
131. RON
Human-readable policy source/config.
132. JSON
External interoperability only if required.
133. Signing
Sign canonical bytes.
134. Policy Digest
#![allow(unused)] fn main() { pub struct GovernancePolicyDigest(pub [u8; 32]); }
135. Human-Readable Mirror
Can render signed policy for operators/users.
136. Rendered Text Not Authoritative
Hard rule.
137. Policy Compilation
Human RON/source:
validate
→ compile canonical policy object
→ sign canonical bytes
138. Policy Linter
Checks:
scope
precedence
expiry
quorum
forbidden downgrade
139. Policy Simulation
Before signing, simulate effect on network.
140. Example Simulation
If min protocol raised to v4:
how many providers remain eligible?
141. Governance Safety Check
Avoid policy causing accidental network partition.
142. But
Security fix may intentionally reduce availability.
143. Decision Record Must State Impact
availability impact
privacy impact
compatibility impact
144. Policy Change Proposal
#![allow(unused)] fn main() { pub struct GovernanceProposal { pub proposal_id: GovernanceProposalId, pub domain: GovernanceDomain, pub proposed_policy: GovernancePolicyPayload, pub rationale: String, pub impact: GovernanceImpactAssessment, } }
145. Governance Impact Assessment
#![allow(unused)] fn main() { pub struct GovernanceImpactAssessment { pub security: ImpactLevel, pub privacy: ImpactLevel, pub availability: ImpactLevel, pub compatibility: ImpactLevel, } }
146. Impact Level
#![allow(unused)] fn main() { pub enum ImpactLevel { None, Low, Moderate, High, Critical, } }
147. Review Workflow
Normal decision:
proposal
→ technical review
→ privacy review
→ security review
→ quorum signing
→ delayed activation
148. Delayed Activation
Allows clients/operators to receive policy before enforcement.
149. Security Emergency
Can shorten delay.
150. No Hidden Immediate Policy Change
Hard rule except documented emergency path.
151. Policy Activation
#![allow(unused)] fn main() { pub enum ActivationMode { Scheduled, ImmediateEmergency, } }
152. Activation Timestamp
Signed.
153. Clock Skew
Allow bounded skew.
154. Monotonic Policy Version
Prevents replay.
155. Policy Rollback
Older policy cannot be reactivated casually.
156. Rollback Requires New Higher Version
Hard rule.
157. Policy Correction
Publish version N+1 restoring earlier semantics.
158. Never Decrement Version
Hard rule.
159. Emergency Revocation Feed
Separate fast channel.
160. Feed Record
#![allow(unused)] fn main() { pub struct EmergencyRevocationFeed { pub sequence: u64, pub revocations: Vec<EmergencyRevocation>, pub signatures: AuthoritySignatureBundle, } }
161. Feed Sequence Anti-Rollback
Required.
162. Provider/Authority Clients
Cache highest sequence.
163. Governance Mirrors
Read-only.
164. Multiple Mirrors
Recommended.
165. Mirror Outage
No governance loss if cache still valid.
166. Mirror Compromise
Signature verification protects.
167. Governance Availability SLO
Need high availability.
168. Governance Privacy SLO
Examples:
zero unauthorized policy acceptance
zero quorum auto-reduction
zero forbidden policy downgrade
169. Governance Error Budget
For security/privacy violations:
zero
170. Policy Distribution SLO
Examples:
policy propagation
revocation freshness
mirror availability
171. Governance Observability
Safe metrics:
policy version
authority health
quorum health
propagation delay
revocation freshness
172. Forbidden Metrics
No:
which user accepted policy
which user uses provider
173. Client Acceptance
No per-user acknowledgement needed.
174. Aggregate Adoption
Can measure:
protocol profile distribution
not individual client identity.
175. Governance Audit Log
Operator/admin actions.
176. Audit Events
proposal created
review approved
signature produced
policy activated
authority rotated
emergency action issued
177. Signer Audit
Every authority signature action logged locally.
178. HSM Audit
If supported.
179. Two-Person Rule
Recommended for:
root operations
authority rotation
emergency high-impact action
180. Separation of Duties
No one person should:
write policy
approve policy
sign policy
deploy policy
for critical changes.
181. Small Project Reality
Early SIAR may have limited staff.
182. Bootstrap Governance Mode
#![allow(unused)] fn main() { pub enum GovernanceMode { Development, Bootstrap, Production, } }
183. Development
Single signer acceptable.
184. Bootstrap
At least:
offline root
separate online policy signer
auditable decisions
185. Production
Multi-authority quorum.
186. No Pretend Decentralization
Hard rule.
187. Governance Mode Visible
Network policy should declare mode.
188. Client UI
Normal users need only:
Network governance verified
or warning.
189. Advanced UI
Can show:
governance mode
policy version
trust epoch
authority quorum health
190. Governance Failure UX
Examples:
Network security policy is stale.
Strong anonymity is temporarily unavailable.
191. Do Not Ask User To Bypass
Hard rule.
192. Managed Enterprise Governance
Organization may add additional policy.
193. Organization Root
Separate trust domain.
194. Precedence
Global SIAR security floor still applies.
195. Organization Can Strengthen
Examples:
approved providers only
higher protocol minimum
disable public discovery
196. Organization Cannot Weaken
Examples:
allow direct fallback in Maximum Anonymity
disable signature verification
197. Local User Policy
Can further strengthen.
198. Policy Merge
#![allow(unused)] fn main() { pub trait PolicyMerger { fn merge( &self, global: &EffectiveGovernancePolicy, managed: Option<&ManagedPolicy>, user: &UserPrivacyPolicy, ) -> Result<EffectivePolicy, PolicyMergeError>; } }
199. Monotonic Restriction
Preferred model:
higher layers may restrict further
200. No Remote Weakening
Hard rule.
201. Governance Capability Tokens
Internal control-plane authorization.
202. Not User-Facing
Hard separation.
203. Governance API
#![allow(unused)] fn main() { pub trait GovernanceService { fn submit_proposal( &self, proposal: GovernanceProposal, ) -> Result<GovernanceProposalId, GovernanceError>; fn sign( &self, proposal: GovernanceProposalId, authority: GovernanceAuthorityId, ) -> Result<AuthoritySignature, GovernanceError>; fn publish( &self, bundle: GovernancePolicyBundle, ) -> Result<(), GovernanceError>; } }
204. Trust Bundle Service
#![allow(unused)] fn main() { pub trait TrustBundleService { fn current( &self, ) -> Result<GovernanceTrustBundle, GovernanceError>; fn verify( &self, bundle: &GovernanceTrustBundle, ) -> Result<(), GovernanceError>; } }
205. Emergency Service
#![allow(unused)] fn main() { pub trait EmergencyGovernanceService { fn issue( &self, policy: EmergencyGovernancePolicy, ) -> Result<(), GovernanceError>; fn confirm_or_expire( &self, incident: GovernanceIncidentId, ) -> Result<(), GovernanceError>; } }
206. Transparency Service
#![allow(unused)] fn main() { pub trait GovernanceTransparencyLog { fn append( &self, entry: GovernanceTransparencyEntry, ) -> Result<(), GovernanceError>; fn verify_chain( &self, ) -> Result<(), GovernanceError>; } }
207. Authority Health
#![allow(unused)] fn main() { pub enum AuthorityHealth { Healthy, Degraded, Offline, Compromised, Unknown, } }
208. Quorum Health
#![allow(unused)] fn main() { pub enum GovernanceQuorumHealth { Healthy, Reduced, Unavailable, } }
209. Reduced
Still has quorum but little redundancy.
210. Unavailable
Cannot sign new policy.
211. Existing Policy
Continues until expiry.
212. Disaster Integration
Part 50 governs authority-region resilience.
213. Upgrade Integration
Part 52 uses governance policy for:
minimum versions
blocked versions
root rotation
release policy
214. Observability Integration
Part 51 tracks:
quorum health
policy freshness
revocation freshness
215. Provider Integration
Parts 39/48 consume:
operator admission
provider revocation
audit status
216. Capacity Integration
Part 49 may consume governance-defined concentration caps.
217. Accounting Integration
Part 47 may consume:
issuer trust
price policy
218. Moderation Independence
User/community moderation from Part 46 is distinct.
219. Hard Separation
Network governance must not become user-content moderation authority by default.
220. Governance Threat Model
Adversaries:
compromised signer
malicious quorum subset
root compromise
mirror compromise
policy rollback attacker
equivocation
insider
coercion
network partition
221. One Compromised Signer
Quorum should prevent unilateral policy change.
222. Malicious Quorum
Can sign malicious policy.
223. Client Hard Invariants
Last line of defense.
224. Example
Even valid quorum policy cannot enable:
silent direct fallback
if compiled invariant forbids it.
225. Root Compromise
Catastrophic.
Need documented root recovery.
226. Mirror Compromise
Low impact due signatures.
227. Rollback Attack
Prevented by version/epoch memory.
228. Equivocation
Transparency + conflict rejection.
229. Insider Risk
Separation of duties + multi-party approval.
230. Coercion
Independent authorities across organizations/jurisdictions can reduce risk.
231. Authority Diversity
Future production target:
different organizations
different regions
different providers
232. Do Not Co-Locate All Authorities
Hard rule.
233. Authority Key Backup
Secure, separate, audited.
234. Key Recovery
Does not silently clone active signer.
235. Authority Key Rotation
Regular.
236. Signing Key Epoch
#![allow(unused)] fn main() { pub struct AuthorityKeyEpoch(pub u64); }
237. Old Signatures
Remain verifiable historically.
238. New Policy
Must use current key epoch.
239. Historical Audit
Store public keys for verification.
240. Authority Secret Destruction
After retirement and retention policy.
241. Governance Database
Potential tables:
governance_proposals
policy_bundles
authority_registry
authority_revocations
trust_bundles
emergency_policies
transparency_log
review_approvals
242. Strong Consistency
Required for:
authority registry
policy version
revocation
243. Eventual Consistency
Acceptable for:
mirror distribution status
244. Append-Only Decision History
Recommended.
245. Mutation
Use new record/version, not edit history.
246. Backup
Control-plane backup encrypted.
247. Backup Restore
Must preserve:
highest policy version
trust epoch
revocation sequence
transparency chain
248. Anti-Rollback Restore
Hard rule.
249. Testkit
Need governance simulator.
250. Scenarios
one signer compromised
quorum lost
policy conflict
authority rotation
root rollover
emergency block
network partition
rollback attempt
equivocation
251. Unit Tests
Test:
quorum count
authority scope
expiry
version monotonicity
precedence
252. Invalid Signature Test
Reject.
253. Duplicate Signer Test
Does not satisfy quorum.
254. Revoked Signer Test
Reject.
255. Wrong-Capability Signer Test
Reject.
256. Expired Authority Test
Reject new policy.
257. Policy Rollback Test
Reject lower version.
258. Trust Bundle Rollback Test
Reject lower epoch.
259. Emergency Expiry Test
Policy expires unless confirmed.
260. Emergency Abuse Test
Emergency signer attempts to lower privacy floor.
Reject.
261. Split-Brain Test
Two partitions sign conflicting policies.
262. Equivocation Test
Conflict detected.
263. Client Hard-Invariant Test
Even correctly signed malicious downgrade policy rejected.
264. Operator Revocation Test
All providers from operator become ineligible.
265. Authority Rotation Test
Overlap works.
266. Root Rollover Test
Old/new trust continuity.
267. Disaster Restore Test
No version rollback.
268. Fuzzing
Fuzz:
policy bundle
trust bundle
signature bundle
revocation
emergency policy
269. Property Tests
Properties:
quorum requires distinct authorized signers
policy version never decreases
revoked authority never contributes to new quorum
effective policy never violates compile-time hard invariant
270. Formal Verification Targets
Strong candidates:
quorum state machine
policy precedence
authority rotation
emergency expiry
anti-rollback
271. TLA+ Candidate
Multi-authority policy publication under partition.
272. TLA+ Candidate
Authority rotation + quorum continuity.
273. Kani Candidate
Signature/quorum authorization logic.
274. Loom Candidate
Concurrent policy publication/cache update.
275. Performance Tests
Measure:
signature verification
policy compilation
catalog propagation
trust-bundle verification
276. Scale Tests
Authority count modest.
Policy bundle size bounded.
277. Security Invariants
Mandatory:
1. No single routine online authority can unilaterally change critical privacy policy in production mode.
2. Root keys are not used for routine signing.
3. Authority powers are capability-scoped.
4. Policy versions and trust epochs are monotonic and anti-rollback protected.
5. Emergency policies are scoped, expiring, multi-party, and cannot lower hard privacy/security floors.
6. Revoked authorities cannot contribute to new quorum.
7. Client-side hard invariants override remotely signed policy that would weaken mandatory anonymity guarantees.
8. Quorum requirements never auto-decrease during outage or partition.
9. Governance transparency logs contain no user/social-graph data.
10. Root/authority rotation uses authenticated overlap rather than trust-on-first-use replacement.
11. Operator/provider revocation propagates through signed governance state.
12. Governance and user/community moderation remain separate authority domains.
278. Recommended Crate Layout
crates/
├── siar-governance-core/
├── siar-trust-root/
├── siar-authority-registry/
├── siar-governance-quorum/
├── siar-policy-bundle/
├── siar-policy-engine/
├── siar-emergency-governance/
├── siar-governance-transparency/
├── siar-governance-audit/
├── siar-governance-storage/
└── siar-governance-testkit/
279. siar-governance-core
Owns:
governance domains
versions
decision types
errors
280. siar-trust-root
Root/trust-bundle/rollover logic.
281. siar-authority-registry
Authority descriptors/revocation/key epochs.
282. siar-governance-quorum
Distinct-signer quorum verification.
283. siar-policy-bundle
Canonical policy encoding/signing.
284. siar-policy-engine
Precedence/merge/local hard invariants.
285. siar-emergency-governance
Scoped emergency policy lifecycle.
286. siar-governance-transparency
Append-only decision log/equivocation detection.
287. siar-governance-audit
Administrative action audit.
288. siar-governance-storage
Strongly consistent control state.
289. siar-governance-testkit
Partition/quorum/rotation/rollback simulator.
290. Error Taxonomy
#![allow(unused)] fn main() { pub enum GovernanceError { InvalidSignature, QuorumInsufficient, AuthorityUnauthorized, AuthorityRevoked, AuthorityExpired, PolicyRollback, TrustBundleRollback, PolicyConflict, EquivocationDetected, EmergencyScopeInvalid, HardInvariantViolation, PolicyExpired, Internal, } }
291. Initial Production Scope
Implement first:
offline root
separate online policy authority
authority capability scopes
signed versioned policy bundles
anti-rollback policy versions
signed trust bundle
provider/operator revocation
policy precedence
client hard invariants
append-only governance decision log
emergency policy with mandatory expiry
governance audit trail
Then evolve to:
multi-authority 3-of-5 production quorum
independent organizations
threshold signatures
Merkle transparency log
formal governance verification
multi-domain governance federation
292. Definition of Done
Part 53 is complete when:
- root, policy, directory, release, emergency, and audit authority roles are separated
- authority powers are capability-scoped
- policy/trust bundles are signed, versioned, and anti-rollback protected
- critical production decisions can require multi-authority quorum
- emergency actions are scoped, expiring, and cannot weaken hard privacy floors
- client-side policy precedence and hard-invariant enforcement are explicit
- authority revocation/rotation/root rollover are defined
- operator/provider admission and revocation integrate with previous governance layers
- transparency and audit logs exclude user/social-graph data
- equivocation and conflicting policy behavior are defined
- governance partitions cannot reduce quorum requirements
- managed/user policies may strengthen but not weaken mandatory security floors
- disaster restore preserves highest policy/trust/revocation state
- quorum, rollback, rotation, emergency, partition, fuzz, and formal tests are specified
293. Final Architecture
OFFLINE TRUST ROOT
│
▼
AUTHORIZED AUTHORITY SET
│
┌────────┴────────┐
│ │
Policy Signers Emergency Signers
│ │
└────────┬────────┘
▼
QUORUM DECISION
│
▼
SIGNED POLICY BUNDLE
│
┌───────────────┼───────────────┐
│ │ │
Directory Providers Clients
│ │ │
└───────────────┼───────────────┘
▼
LOCAL HARD ENFORCEMENT
Governance safety model:
offline root
+
scoped authorities
+
multi-party quorum
+
signed monotonic policy
+
emergency expiry
+
client hard invariants
+
transparency
not:
one administrator changes privacy settings globally
294. Final Principle
An anonymous network cannot rely only on cryptography in the data plane; it also needs a governance plane that is resistant to compromise, coercion, rollback, and emergency abuse.
The correct model is:
limited authority
+
multi-party approval
+
signed policy
+
anti-rollback
+
transparent decisions
+
hard client-side privacy floors
This architecture gives SIAR a governance model capable of evolving into multi-authority production control without allowing routine operators or emergency mechanisms to silently weaken the anonymity guarantees established across Parts 34–52.