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PeerID 5/n: Ephemeral and Secure Identities (#742)

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This commit is contained in:
Islam
2025-10-02 13:29:48 +02:00
committed by GitHub
parent bd11940151
commit e4ec2ef3fe
6 changed files with 21 additions and 21 deletions
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bitchat/Identity/IdentityModels.swift
+1 -1
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@@ -87,7 +87,7 @@ import Foundation
/// Represents the ephemeral layer of identity - short-lived peer IDs that provide network privacy.
/// These IDs rotate periodically to prevent tracking while maintaining cryptographic relationships.
struct EphemeralIdentity {
let peerID: String // 8 random bytes
let peerID: PeerID // 8 random bytes
let sessionStart: Date
var handshakeState: HandshakeState
}
bitchat/Identity/SecureIdentityStateManager.swift
+11 -11
View File
@@ -103,7 +103,7 @@ protocol SecureIdentityStateManagerProtocol {
// MARK: Cryptographic Identities
func upsertCryptographicIdentity(fingerprint: String, noisePublicKey: Data, signingPublicKey: Data?, claimedNickname: String?)
func getCryptoIdentitiesByPeerIDPrefix(_ peerID: String) -> [CryptographicIdentity]
func getCryptoIdentitiesByPeerIDPrefix(_ peerID: PeerID) -> [CryptographicIdentity]
func updateSocialIdentity(_ identity: SocialIdentity)
// MARK: Favorites Management
@@ -121,12 +121,12 @@ protocol SecureIdentityStateManagerProtocol {
func getBlockedNostrPubkeys() -> Set<String>
// MARK: Ephemeral Session Management
func registerEphemeralSession(peerID: String, handshakeState: HandshakeState)
func updateHandshakeState(peerID: String, state: HandshakeState)
func registerEphemeralSession(peerID: PeerID, handshakeState: HandshakeState)
func updateHandshakeState(peerID: PeerID, state: HandshakeState)
// MARK: Cleanup
func clearAllIdentityData()
func removeEphemeralSession(peerID: String)
func removeEphemeralSession(peerID: PeerID)
// MARK: Verification
func setVerified(fingerprint: String, verified: Bool)
@@ -143,7 +143,7 @@ final class SecureIdentityStateManager: SecureIdentityStateManagerProtocol {
private let encryptionKeyName = "identityCacheEncryptionKey"
// In-memory state
private var ephemeralSessions: [String: EphemeralIdentity] = [:]
private var ephemeralSessions: [PeerID: EphemeralIdentity] = [:]
private var cryptographicIdentities: [String: CryptographicIdentity] = [:]
private var cache: IdentityCache = IdentityCache()
@@ -321,11 +321,11 @@ final class SecureIdentityStateManager: SecureIdentityStateManagerProtocol {
}
/// Find cryptographic identities whose fingerprint prefix matches a peerID (16-hex) short ID
func getCryptoIdentitiesByPeerIDPrefix(_ peerID: String) -> [CryptographicIdentity] {
func getCryptoIdentitiesByPeerIDPrefix(_ peerID: PeerID) -> [CryptographicIdentity] {
queue.sync {
// Defensive: ensure hex and correct length
guard peerID.count == 16, peerID.allSatisfy({ $0.isHexDigit }) else { return [] }
return cryptographicIdentities.values.filter { $0.fingerprint.hasPrefix(peerID) }
guard peerID.isShort else { return [] }
return cryptographicIdentities.values.filter { $0.fingerprint.hasPrefix(peerID.id) }
}
}
@@ -455,7 +455,7 @@ final class SecureIdentityStateManager: SecureIdentityStateManagerProtocol {
// MARK: - Ephemeral Session Management
func registerEphemeralSession(peerID: String, handshakeState: HandshakeState = .none) {
func registerEphemeralSession(peerID: PeerID, handshakeState: HandshakeState = .none) {
queue.async(flags: .barrier) {
self.ephemeralSessions[peerID] = EphemeralIdentity(
peerID: peerID,
@@ -465,7 +465,7 @@ final class SecureIdentityStateManager: SecureIdentityStateManagerProtocol {
}
}
func updateHandshakeState(peerID: String, state: HandshakeState) {
func updateHandshakeState(peerID: PeerID, state: HandshakeState) {
queue.async(flags: .barrier) {
self.ephemeralSessions[peerID]?.handshakeState = state
@@ -493,7 +493,7 @@ final class SecureIdentityStateManager: SecureIdentityStateManagerProtocol {
}
}
func removeEphemeralSession(peerID: String) {
func removeEphemeralSession(peerID: PeerID) {
queue.async(flags: .barrier) {
self.ephemeralSessions.removeValue(forKey: peerID)
}