Extract Nostr into a dedicated module

* Run local packages’ tests as well on CI

* BitFoundation module to centralize shared components

.github/workflows/swift-tests.yml

@@ -8,9 +8,24 @@ on:
 
 jobs:
   test:
-    name: Run Swift Tests
+    name: Run Swift Tests (${{ matrix.name }})
     runs-on: macos-latest
 
+    strategy:
+      fail-fast: false # Don't cancel other matrix jobs when one fails
+      matrix:
+        include:
+          - name: app
+            path: .
+          - name: BitLogger
+            path: localPackages/BitLogger
+          - name: BitFoundation
+            path: localPackages/BitFoundation
+          - name: Noise
+            path: localPackages/Noise
+          - name: Nostr
+            path: localPackages/Nostr
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -21,14 +36,11 @@ jobs:
       - name: Cache build artifacts
         uses: actions/cache@v4
         with:
-          path: .build
+          path: ${{ matrix.path }}/.build
-          key: ${{ runner.os }}-build-${{ hashFiles('**/*.swift', '**/Package.resolved') }}
+          key: ${{ runner.os }}-${{ matrix.name }}-${{ hashFiles(format('{0}/**/*.swift', matrix.path), format('{0}/**/Package.resolved', matrix.path)) }}
           restore-keys: |
-            ${{ runner.os }}-build-${{ hashFiles('**/Package.resolved') }}
+            ${{ runner.os }}-${{ matrix.name }}-${{ hashFiles(format('{0}/**/Package.resolved', matrix.path)) }}
-            ${{ runner.os }}-build-
+            ${{ runner.os }}-${{ matrix.name }}-
-
-      - name: Build the package
-        run: swift build
 
       - name: Run Tests
-        run: swift test --parallel
+        run: swift test --parallel --quiet --package-path ${{ matrix.path }}

Package.swift

@@ -17,7 +17,10 @@ let package = Package(
     ],
     dependencies:[
         .package(path: "localPackages/Arti"),
+        .package(path: "localPackages/Noise"),
+        .package(path: "localPackages/BitFoundation"),
         .package(path: "localPackages/BitLogger"),
+        .package(path: "localPackages/Nostr"),
         .package(url: "https://github.com/21-DOT-DEV/swift-secp256k1", exact: "0.21.1")
     ],
     targets: [
@@ -25,7 +28,10 @@ let package = Package(
             name: "bitchat",
             dependencies: [
                 .product(name: "P256K", package: "swift-secp256k1"),
+                .product(name: "BitFoundation", package: "BitFoundation"),
                 .product(name: "BitLogger", package: "BitLogger"),
+                .product(name: "Noise", package: "Noise"),
+                .product(name: "Nostr", package: "Nostr"),
                 .product(name: "Tor", package: "Arti")
             ],
             path: "bitchat",
@@ -44,15 +50,18 @@ let package = Package(
         ),
         .testTarget(
             name: "bitchatTests",
-            dependencies: ["bitchat"],
+            dependencies: [
+                "bitchat",
+                .product(name: "BitFoundation", package: "BitFoundation"),
+                .product(name: "Nostr", package: "Nostr")
+            ],
             path: "bitchatTests",
             exclude: [
                 "Info.plist",
                 "README.md"
             ],
             resources: [
-                .process("Localization"),
+                .process("Localization")
-                .process("Noise")
             ]
         )
     ]

bitchat.xcodeproj/project.pbxproj

@@ -10,6 +10,12 @@
 		17901751FD8010AFC8E750F2 /* bitchatShareExtension.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		3EE336D150427F736F32B56C /* P256K in Frameworks */ = {isa = PBXBuildFile; productRef = B1D9136AA0083366353BFA2F /* P256K */; };
 		885BBED78092484A5B069461 /* P256K in Frameworks */ = {isa = PBXBuildFile; productRef = 4EB6BA1B8464F1EA38F4E286 /* P256K */; };
+		A63163B62F80CB2500B8B128 /* Noise in Frameworks */ = {isa = PBXBuildFile; productRef = A63163B52F80CB2500B8B128 /* Noise */; };
+		A63163B82F80CB2D00B8B128 /* Noise in Frameworks */ = {isa = PBXBuildFile; productRef = A63163B72F80CB2D00B8B128 /* Noise */; };
+		A63180832F8103AB00B8B128 /* Nostr in Frameworks */ = {isa = PBXBuildFile; productRef = A63180822F8103AB00B8B128 /* Nostr */; };
+		A63180852F8103B600B8B128 /* Nostr in Frameworks */ = {isa = PBXBuildFile; productRef = A63180842F8103B600B8B128 /* Nostr */; };
+		A6BCF9482F80953E001CF9B9 /* BitFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = A6BCF9472F80953E001CF9B9 /* BitFoundation */; };
+		A6BCF94A2F809550001CF9B9 /* BitFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = A6BCF9492F809550001CF9B9 /* BitFoundation */; };
 		A6E3E5702E77036A0032EA8A /* BitLogger in Frameworks */ = {isa = PBXBuildFile; productRef = A6E3E56F2E77036A0032EA8A /* BitLogger */; };
 		A6E3E5722E7703760032EA8A /* BitLogger in Frameworks */ = {isa = PBXBuildFile; productRef = A6E3E5712E7703760032EA8A /* BitLogger */; };
 		A6E3EA7F2E7706720032EA8A /* Tor in Frameworks */ = {isa = PBXBuildFile; productRef = A6E3EA7E2E7706720032EA8A /* Tor */; };
@@ -154,16 +160,22 @@
 			isa = PBXFrameworksBuildPhase;
 			files = (
 				A6E3E5722E7703760032EA8A /* BitLogger in Frameworks */,
+				A63163B82F80CB2D00B8B128 /* Noise in Frameworks */,
 				3EE336D150427F736F32B56C /* P256K in Frameworks */,
+				A63180852F8103B600B8B128 /* Nostr in Frameworks */,
 				A6E3EA812E7706A80032EA8A /* Tor in Frameworks */,
+				A6BCF94A2F809550001CF9B9 /* BitFoundation in Frameworks */,
 			);
 		};
 		B5A5CC493FFB3D8966548140 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			files = (
 				A6E3E5702E77036A0032EA8A /* BitLogger in Frameworks */,
+				A63163B62F80CB2500B8B128 /* Noise in Frameworks */,
 				885BBED78092484A5B069461 /* P256K in Frameworks */,
+				A63180832F8103AB00B8B128 /* Nostr in Frameworks */,
 				A6E3EA7F2E7706720032EA8A /* Tor in Frameworks */,
+				A6BCF9482F80953E001CF9B9 /* BitFoundation in Frameworks */,
 			);
 		};
 /* End PBXFrameworksBuildPhase section */
@@ -223,6 +235,9 @@
 				B1D9136AA0083366353BFA2F /* P256K */,
 				A6E3E5712E7703760032EA8A /* BitLogger */,
 				A6E3EA802E7706A80032EA8A /* Tor */,
+				A6BCF9492F809550001CF9B9 /* BitFoundation */,
+				A63163B72F80CB2D00B8B128 /* Noise */,
+				A63180842F8103B600B8B128 /* Nostr */,
 			);
 			productName = bitchat_macOS;
 			productReference = 8F3A7C058C2C8E1A06C8CF8B /* bitchat.app */;
@@ -303,6 +318,9 @@
 				4EB6BA1B8464F1EA38F4E286 /* P256K */,
 				A6E3E56F2E77036A0032EA8A /* BitLogger */,
 				A6E3EA7E2E7706720032EA8A /* Tor */,
+				A6BCF9472F80953E001CF9B9 /* BitFoundation */,
+				A63163B52F80CB2500B8B128 /* Noise */,
+				A63180822F8103AB00B8B128 /* Nostr */,
 			);
 			productName = bitchat_iOS;
 			productReference = 96D0D41CA19EE5A772AA8434 /* bitchat.app */;
@@ -344,6 +362,9 @@
 				B8C407587481BBB190741C93 /* XCRemoteSwiftPackageReference "swift-secp256k1" */,
 				A6E3E56E2E77036A0032EA8A /* XCLocalSwiftPackageReference "localPackages/BitLogger" */,
 				A6E3EA7D2E7706720032EA8A /* XCLocalSwiftPackageReference "localPackages/Arti" */,
+				A6BCF9462F80953E001CF9B9 /* XCLocalSwiftPackageReference "localPackages/BitFoundation" */,
+				A63163B42F80CB2500B8B128 /* XCLocalSwiftPackageReference "localPackages/Noise" */,
+				A63180812F8103AB00B8B128 /* XCLocalSwiftPackageReference "localPackages/Nostr" */,
 			);
 			preferredProjectObjectVersion = 90;
 			projectDirPath = "";
@@ -909,6 +930,18 @@
 /* End XCConfigurationList section */
 
 /* Begin XCLocalSwiftPackageReference section */
+		A63163B42F80CB2500B8B128 /* XCLocalSwiftPackageReference "localPackages/Noise" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = localPackages/Noise;
+		};
+		A63180812F8103AB00B8B128 /* XCLocalSwiftPackageReference "localPackages/Nostr" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = localPackages/Nostr;
+		};
+		A6BCF9462F80953E001CF9B9 /* XCLocalSwiftPackageReference "localPackages/BitFoundation" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = localPackages/BitFoundation;
+		};
 		A6E3E56E2E77036A0032EA8A /* XCLocalSwiftPackageReference "localPackages/BitLogger" */ = {
 			isa = XCLocalSwiftPackageReference;
 			relativePath = localPackages/BitLogger;
@@ -936,6 +969,33 @@
 			package = B8C407587481BBB190741C93 /* XCRemoteSwiftPackageReference "swift-secp256k1" */;
 			productName = P256K;
 		};
+		A63163B52F80CB2500B8B128 /* Noise */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = Noise;
+		};
+		A63163B72F80CB2D00B8B128 /* Noise */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = A63163B42F80CB2500B8B128 /* XCLocalSwiftPackageReference "localPackages/Noise" */;
+			productName = Noise;
+		};
+		A63180822F8103AB00B8B128 /* Nostr */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = Nostr;
+		};
+		A63180842F8103B600B8B128 /* Nostr */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = A63180812F8103AB00B8B128 /* XCLocalSwiftPackageReference "localPackages/Nostr" */;
+			productName = Nostr;
+		};
+		A6BCF9472F80953E001CF9B9 /* BitFoundation */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = BitFoundation;
+		};
+		A6BCF9492F809550001CF9B9 /* BitFoundation */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = A6BCF9462F80953E001CF9B9 /* XCLocalSwiftPackageReference "localPackages/BitFoundation" */;
+			productName = BitFoundation;
+		};
 		A6E3E56F2E77036A0032EA8A /* BitLogger */ = {
 			isa = XCSwiftPackageProductDependency;
 			productName = BitLogger;

bitchat/BitchatApp.swift

@@ -6,8 +6,10 @@
 // For more information, see <https://unlicense.org>
 //
 
+import Nostr
 import Tor
 import SwiftUI
+import BitFoundation
 import UserNotifications
 
 @main
@@ -26,9 +28,11 @@ struct BitchatApp: App {
     @NSApplicationDelegateAdaptor(MacAppDelegate.self) var appDelegate
     #endif
     
-    private let idBridge = NostrIdentityBridge()
+    private let idBridge = NostrIdentityBridge(keychain: KeychainManager())
     
     init() {
+        GeoRelayDirectory.setupShared(dependencies: .live())
+        NostrRelayManager.setupShared(dependencies: .live())
         let keychain = KeychainManager()
         let idBridge = self.idBridge
         _chatViewModel = StateObject(

bitchat/Identity/IdentityModels.swift

@@ -81,6 +81,7 @@
 ///
 
 import Foundation
+import BitFoundation
 
 // MARK: - Three-Layer Identity Model
 

bitchat/Identity/SecureIdentityStateManager.swift

@@ -91,6 +91,7 @@
 ///
 
 import BitLogger
+import BitFoundation
 import Foundation
 import CryptoKit
 

bitchat/Models/BitchatMessage.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import BitFoundation
 
 /// Represents a user-visible message in the BitChat system.
 /// Handles both broadcast messages and private encrypted messages,

bitchat/Models/BitchatPacket.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import BitFoundation
 
 /// The core packet structure for all BitChat protocol messages.
 /// Encapsulates all data needed for routing through the mesh network,

bitchat/Models/BitchatPeer.swift

@@ -1,5 +1,6 @@
 import Foundation
 import CoreBluetooth
+import BitFoundation
 
 /// Represents a peer in the BitChat network with all associated metadata
 struct BitchatPeer: Equatable {

bitchat/Models/ReadReceipt.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import BitFoundation
 
 struct ReadReceipt: Codable {
     let originalMessageID: String

bitchat/Nostr/NostrEmbeddedBitChat.swift

@@ -1,4 +1,5 @@
 import Foundation
+import BitFoundation
 
 // MARK: - BitChat-over-Nostr Adapter
 

bitchat/Nostr/NostrLiveFactories.swift

@@ -0,0 +1,118 @@
+import Nostr
+import Combine
+import Foundation
+import Tor
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
+import AppKit
+#endif
+
+// MARK: - GeoRelayDirectory Live Dependencies
+
+extension GeoRelayDirectoryDependencies {
+    @MainActor
+    static func live() -> Self {
+        #if os(iOS)
+        let activeNotificationName: Notification.Name? = UIApplication.didBecomeActiveNotification
+        #elseif os(macOS)
+        let activeNotificationName: Notification.Name? = NSApplication.didBecomeActiveNotification
+        #else
+        let activeNotificationName: Notification.Name? = nil
+        #endif
+
+        return Self(
+            userDefaults: .standard,
+            notificationCenter: .default,
+            now: Date.init,
+            remoteURL: URL(string: "https://raw.githubusercontent.com/permissionlesstech/georelays/refs/heads/main/nostr_relays.csv")!,
+            fetchInterval: TransportConfig.geoRelayFetchIntervalSeconds,
+            refreshCheckInterval: TransportConfig.geoRelayRefreshCheckIntervalSeconds,
+            retryInitialSeconds: TransportConfig.geoRelayRetryInitialSeconds,
+            retryMaxSeconds: TransportConfig.geoRelayRetryMaxSeconds,
+            awaitTorReady: { await TorManager.shared.awaitReady() },
+            makeFetchData: {
+                let session = TorURLSession.shared.session
+                return { request in
+                    let (data, _) = try await session.data(for: request)
+                    return data
+                }
+            },
+            readData: { try? Data(contentsOf: $0) },
+            writeData: { data, url in
+                try data.write(to: url, options: .atomic)
+            },
+            cacheURL: {
+                do {
+                    let base = try FileManager.default.url(
+                        for: .applicationSupportDirectory,
+                        in: .userDomainMask,
+                        appropriateFor: nil,
+                        create: true
+                    )
+                    let dir = base.appendingPathComponent("bitchat", isDirectory: true)
+                    try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
+                    return dir.appendingPathComponent("georelays_cache.csv")
+                } catch {
+                    return nil
+                }
+            },
+            bundledCSVURLs: {
+                [
+                    Bundle.main.url(forResource: "nostr_relays", withExtension: "csv"),
+                    Bundle.main.url(forResource: "online_relays_gps", withExtension: "csv"),
+                    Bundle.main.url(forResource: "online_relays_gps", withExtension: "csv", subdirectory: "relays")
+                ].compactMap { $0 }
+            },
+            currentDirectoryPath: { FileManager.default.currentDirectoryPath },
+            retrySleep: { delay in
+                let nanoseconds = UInt64(delay * 1_000_000_000)
+                try? await Task.sleep(nanoseconds: nanoseconds)
+            },
+            torReadyNotificationName: .TorDidBecomeReady,
+            activeNotificationName: activeNotificationName,
+            autoStart: true
+        )
+    }
+}
+
+// MARK: - NostrRelayManager Live Dependencies
+
+extension NostrRelayManagerDependencies {
+    @MainActor
+    static func live() -> Self {
+        Self(
+            activationAllowed: { NetworkActivationService.shared.activationAllowed },
+            userTorEnabled: { NetworkActivationService.shared.userTorEnabled },
+            hasMutualFavorites: { !FavoritesPersistenceService.shared.mutualFavorites.isEmpty },
+            hasLocationPermission: { LocationChannelManager.shared.permissionState == .authorized },
+            mutualFavoritesPublisher: FavoritesPersistenceService.shared.$mutualFavorites.eraseToAnyPublisher(),
+            locationPermissionPublisher: LocationChannelManager.shared.$permissionState
+                .map { state -> LocationPermissionState in
+                    switch state {
+                    case .notDetermined:.notDetermined
+                    case .authorized:   .authorized
+                    case .denied:       .denied
+                    case .restricted:   .denied
+                    }
+                }
+                .eraseToAnyPublisher(),
+            torEnforced: { TorManager.shared.torEnforced },
+            torIsReady: { TorManager.shared.isReady },
+            torIsForeground: { TorManager.shared.isForeground() },
+            awaitTorReady: { completion in
+                Task.detached {
+                    let ready = await TorManager.shared.awaitReady()
+                    await MainActor.run {
+                        completion(ready)
+                    }
+                }
+            },
+            makeSession: { NostrRelayManager.makeURLSession(TorURLSession.shared.session) },
+            scheduleAfter: { delay, action in
+                DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: action)
+            },
+            now: Date.init
+        )
+    }
+}

bitchat/Protocols/BinaryEncodingUtils.swift

@@ -6,62 +6,7 @@
 //
 
 import Foundation
-import CryptoKit
+import BitFoundation
-
-// MARK: - Hex Encoding/Decoding
-
-extension Data {
-    func hexEncodedString() -> String {
-        if self.isEmpty {
-            return ""
-        }
-        return self.map { String(format: "%02x", $0) }.joined()
-    }
-
-    func sha256Hex() -> String {
-        let digest = SHA256.hash(data: self)
-        return digest.map { String(format: "%02x", $0) }.joined()
-    }
-    
-    /// Initialize Data from a hex string.
-    /// - Parameter hexString: A hex string, optionally prefixed with "0x" or "0X".
-    ///   Whitespace is trimmed. Must have even length after prefix removal.
-    /// - Returns: nil if the string has odd length or contains invalid hex characters.
-    init?(hexString: String) {
-        var hex = hexString.trimmed
-
-        // Remove optional 0x prefix
-        if hex.hasPrefix("0x") || hex.hasPrefix("0X") {
-            hex = String(hex.dropFirst(2))
-        }
-
-        // Reject odd-length strings
-        guard hex.count % 2 == 0 else {
-            return nil
-        }
-
-        // Reject empty strings
-        guard !hex.isEmpty else {
-            self = Data()
-            return
-        }
-
-        let len = hex.count / 2
-        var data = Data(capacity: len)
-        var index = hex.startIndex
-
-        for _ in 0..<len {
-            let nextIndex = hex.index(index, offsetBy: 2)
-            guard let byte = UInt8(String(hex[index..<nextIndex]), radix: 16) else {
-                return nil
-            }
-            data.append(byte)
-            index = nextIndex
-        }
-
-        self = data
-    }
-}
 
 // MARK: - Binary Encoding Utilities
 

bitchat/Protocols/BitchatProtocol.swift

@@ -60,6 +60,7 @@
 
 import Foundation
 import CoreBluetooth
+import BitFoundation
 
 // MARK: - Message Types
 

bitchat/Services/BLE/BLEService.swift

@@ -1,4 +1,6 @@
 import BitLogger
+import BitFoundation
+import Nostr
 import Foundation
 import CoreBluetooth
 import Combine

bitchat/Services/CommandProcessor.swift

@@ -6,7 +6,9 @@
 // This is free and unencumbered software released into the public domain.
 //
 
+import Nostr
 import Foundation
+import BitFoundation
 
 /// Result of command processing
 enum CommandResult {

bitchat/Services/FavoritesPersistenceService.swift

@@ -1,4 +1,5 @@
 import BitLogger
+import BitFoundation
 import Foundation
 import Combine
 

bitchat/Services/GeohashPresenceService.swift

@@ -8,6 +8,7 @@
 // This is free and unencumbered software released into the public domain.
 //
 
+import Nostr
 import Foundation
 import Combine
 import BitLogger
@@ -74,7 +75,7 @@ final class GeohashPresenceService: ObservableObject {
     ]
 
     private init() {
-        let idBridge = NostrIdentityBridge()
+        let idBridge = NostrIdentityBridge(keychain: KeychainManager())
         self.availableChannelsProvider = { LocationStateManager.shared.availableChannels }
         self.locationChanges = LocationStateManager.shared.$availableChannels.eraseToAnyPublisher()
         self.torReadyPublisher = NotificationCenter.default.publisher(for: .TorDidBecomeReady)

bitchat/Services/KeychainManager.swift

@@ -7,6 +7,8 @@
 //
 
 import BitLogger
+import protocol Nostr.NostrKeychainStoring
+import protocol Noise.SecureMemoryCleaner
 import Foundation
 import Security
 
@@ -51,7 +53,7 @@ enum KeychainSaveResult {
     }
 }
 
-protocol KeychainManagerProtocol {
+protocol KeychainManagerProtocol: SecureMemoryCleaner, NostrKeychainStoring {
     func saveIdentityKey(_ keyData: Data, forKey key: String) -> Bool
     func getIdentityKey(forKey key: String) -> Data?
     func deleteIdentityKey(forKey key: String) -> Bool

bitchat/Services/LocationNotesManager.swift

@@ -1,4 +1,5 @@
 import BitLogger
+import Nostr
 import Foundation
 
 /// Dependencies for location notes, allowing tests to stub relay/identity behavior.
@@ -15,7 +16,7 @@ struct LocationNotesDependencies {
     var deriveIdentity: (_ geohash: String) throws -> NostrIdentity
     var now: () -> Date
     
-    private static let idBridge = NostrIdentityBridge()
+    private static let idBridge = NostrIdentityBridge(keychain: KeychainManager())
 
     static let live = LocationNotesDependencies(
         relayLookup: { geohash, count in

bitchat/Services/MessageFormattingEngine.swift

@@ -6,6 +6,7 @@
 // This is free and unencumbered software released into the public domain.
 //
 
+import BitFoundation
 import Foundation
 import SwiftUI
 

bitchat/Services/MessageRouter.swift

@@ -1,4 +1,5 @@
 import BitLogger
+import BitFoundation
 import Foundation
 
 /// Routes messages using available transports (Mesh, Nostr, etc.)

bitchat/Services/NetworkActivationService.swift

@@ -1,3 +1,4 @@
+import Nostr
 import Foundation
 import BitLogger
 import Combine

bitchat/Services/NoiseEncryptionService.swift

@@ -83,6 +83,8 @@
 ///
 
 import BitLogger
+import BitFoundation
+import Noise
 import Foundation
 import CryptoKit
 

bitchat/Services/NostrTransport.swift

@@ -1,4 +1,6 @@
 import BitLogger
+import BitFoundation
+import Nostr
 import Foundation
 import Combine
 

bitchat/Services/NotificationService.swift

@@ -6,6 +6,7 @@
 // For more information, see <https://unlicense.org>
 //
 
+import BitFoundation
 import Foundation
 import UserNotifications
 #if os(iOS)

bitchat/Services/PrivateChatManager.swift

@@ -7,6 +7,7 @@
 //
 
 import BitLogger
+import BitFoundation
 import Foundation
 import SwiftUI
 

bitchat/Services/Transport.swift

@@ -1,3 +1,4 @@
+import BitFoundation
 import Foundation
 import Combine
 

bitchat/Services/UnifiedPeerService.swift

@@ -7,6 +7,8 @@
 //
 
 import BitLogger
+import BitFoundation
+import Nostr
 import Foundation
 import Combine
 import SwiftUI

bitchat/Sync/GossipSyncManager.swift

@@ -1,5 +1,6 @@
 import Foundation
 import BitLogger
+import BitFoundation
 
 // Gossip-based sync manager using on-demand GCS filters
 final class GossipSyncManager {

bitchat/Sync/RequestSyncManager.swift

@@ -8,6 +8,7 @@
 
 import Foundation
 import BitLogger
+import BitFoundation
 
 /// Manages outgoing sync requests and validates incoming responses.
 ///

bitchat/Utils/Data+SHA256.swift

@@ -1,22 +0,0 @@
-//
-//  Data+SHA256.swift
-//  bitchat
-//
-//  Created by Islam on 26/09/2025.
-//
-
-import struct Foundation.Data
-import struct CryptoKit.SHA256
-
-extension Data {
-    /// Returns the hex representation of SHA256 hash
-    func sha256Fingerprint() -> String {
-        // Implementation matches existing fingerprint generation in NoiseEncryptionService
-        sha256Hash().hexEncodedString()
-    }
-    
-    /// Returns the SHA256 hash wrapped in Data
-    func sha256Hash() -> Data {
-        Data(SHA256.hash(data: self))
-    }
-}

bitchat/Utils/PeerDisplayNameResolver.swift

@@ -1,4 +1,5 @@
 import Foundation
+import BitFoundation
 
 /// Resolves a stable display name for peers, adding a short suffix when collisions exist.
 struct PeerDisplayNameResolver {

bitchat/ViewModels/ChatViewModel.swift

@@ -78,6 +78,8 @@
 ///
 
 import BitLogger
+import BitFoundation
+import Nostr
 import Foundation
 import SwiftUI
 import Combine
@@ -1966,7 +1968,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate, CommandContextProv
             try? await Task.sleep(nanoseconds: TransportConfig.uiAsyncShortSleepNs) // 0.1 seconds
             
             // Reinitialize Nostr relay manager with new identity
-            nostrRelayManager = NostrRelayManager()
+            nostrRelayManager = NostrRelayManager(dependencies: .live())
             setupNostrMessageHandling()
             nostrRelayManager?.connect()
         }

bitchat/ViewModels/Extensions/ChatViewModel+Nostr.swift

@@ -5,9 +5,11 @@
 // Geohash and Nostr logic for ChatViewModel
 //
 
+import Nostr
 import Foundation
 import Combine
 import BitLogger
+import BitFoundation
 import SwiftUI
 import Tor
 

bitchat/ViewModels/Extensions/ChatViewModel+PrivateChat.swift

@@ -5,9 +5,11 @@
 // Private chat and media transfer logic for ChatViewModel
 //
 
+import Nostr
 import Foundation
 import Combine
 import BitLogger
+import BitFoundation
 import SwiftUI
 
 extension ChatViewModel {

bitchat/Views/Components/CommandSuggestionsView.swift

@@ -5,6 +5,7 @@
 //  Created by Islam on 29/10/2025.
 //
 
+import Nostr
 import SwiftUI
 
 struct CommandSuggestionsView: View {
@@ -76,7 +77,7 @@ struct CommandSuggestionsView: View {
     let keychain = KeychainManager()
     let viewModel = ChatViewModel(
         keychain: keychain,
-        idBridge: NostrIdentityBridge(),
+        idBridge: NostrIdentityBridge(keychain: keychain),
         identityManager: SecureIdentityStateManager(keychain)
     )
     

bitchat/Views/Components/TextMessageView.swift

@@ -6,6 +6,7 @@
 // For more information, see <https://unlicense.org>
 //
 
+import Nostr
 import SwiftUI
 
 struct TextMessageView: View {
@@ -89,7 +90,7 @@ struct TextMessageView: View {
     .environmentObject(
         ChatViewModel(
             keychain: keychain,
-            idBridge: NostrIdentityBridge(),
+            idBridge: NostrIdentityBridge(keychain: keychain),
             identityManager: SecureIdentityStateManager(keychain)
         )
     )

bitchat/Views/ContentView.swift

@@ -15,6 +15,7 @@ import AppKit
 #endif
 import UniformTypeIdentifiers
 import BitLogger
+import BitFoundation
 
 /// On macOS 14+, disables the default system focus ring on TextFields.
 /// On earlier macOS versions and on iOS this is a no-op.

bitchat/Views/FingerprintView.swift

@@ -7,6 +7,7 @@
 //
 
 import SwiftUI
+import BitFoundation
 
 struct FingerprintView: View {
     @ObservedObject var viewModel: ChatViewModel

bitchat/Views/MeshPeerList.swift

@@ -1,4 +1,5 @@
 import SwiftUI
+import BitFoundation
 
 struct MeshPeerList: View {
     @ObservedObject var viewModel: ChatViewModel

bitchat/Views/MessageListView.swift

@@ -5,6 +5,7 @@
 //  Created by Islam on 30/03/2026.
 //
 
+import BitFoundation
 import SwiftUI
 
 private struct MessageDisplayItem: Identifiable {

bitchat/Views/VerificationViews.swift

@@ -1,3 +1,4 @@
+import Nostr
 import SwiftUI
 import CoreImage
 import CoreImage.CIFilterBuiltins

bitchatTests/BLEServiceCoreTests.swift

@@ -6,8 +6,10 @@
 //
 
 import Testing
+import Nostr
 import Foundation
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 struct BLEServiceCoreTests {

bitchatTests/BLEServiceTests.swift

@@ -8,6 +8,7 @@
 
 import Testing
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 struct BLEServiceTests {

bitchatTests/BitchatPeerTests.swift

@@ -1,5 +1,6 @@
 import Foundation
 import Testing
+import BitFoundation
 @testable import bitchat
 
 @Suite("BitchatPeer Tests")

bitchatTests/ChatViewModelDeliveryStatusTests.swift

@@ -6,7 +6,9 @@
 //
 
 import Testing
+import Nostr
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 // MARK: - Test Helpers

bitchatTests/ChatViewModelExtensionsTests.swift

@@ -6,6 +6,7 @@
 //
 
 import Testing
+import Nostr
 import Foundation
 import Combine
 #if os(iOS)
@@ -13,6 +14,7 @@ import UIKit
 #else
 import AppKit
 #endif
+import BitFoundation
 @testable import bitchat
 
 // MARK: - Test Helpers

bitchatTests/ChatViewModelRefactoringTests.swift

@@ -7,7 +7,9 @@
 //
 
 import Testing
+import Nostr
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct ChatViewModelRefactoringTests {

bitchatTests/ChatViewModelTests.swift

@@ -7,7 +7,9 @@
 //
 
 import Testing
+import Nostr
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 // MARK: - Test Helpers

bitchatTests/ChatViewModelTorTests.swift

@@ -6,6 +6,7 @@
 //
 
 import Testing
+import Nostr
 import Foundation
 @testable import bitchat
 

bitchatTests/CommandProcessorTests.swift

@@ -1,5 +1,7 @@
 import Foundation
+import Nostr
 import Testing
+import BitFoundation
 @testable import bitchat
 
 @Suite(.serialized)

bitchatTests/EndToEnd/PrivateChatE2ETests.swift

@@ -9,6 +9,8 @@
 import Testing
 import CryptoKit
 import struct Foundation.UUID
+import BitFoundation
+import Noise
 @testable import bitchat
 
 struct PrivateChatE2ETests {

bitchatTests/EndToEnd/PublicChatE2ETests.swift

@@ -8,6 +8,7 @@
 
 import Testing
 import struct Foundation.UUID
+import BitFoundation
 @testable import bitchat
 
 struct PublicChatE2ETests {

bitchatTests/Fragmentation/FragmentationTests.swift

@@ -7,8 +7,10 @@
 //
 
 import Testing
+import Nostr
 import Foundation
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 struct FragmentationTests {

bitchatTests/GeohashPresenceTests.swift

@@ -7,6 +7,7 @@
 //
 
 import Testing
+import Nostr
 import Foundation
 import Combine
 @testable import bitchat

bitchatTests/GossipSyncManagerTests.swift

@@ -1,5 +1,6 @@
 import Foundation
 import Testing
+import BitFoundation
 @testable import bitchat
 
 struct GossipSyncManagerTests {

bitchatTests/Integration/IntegrationTests.swift

@@ -9,6 +9,8 @@
 import Foundation
 import CryptoKit
 import Testing
+import BitFoundation
+import Noise
 @testable import bitchat
 
 struct IntegrationTests {

bitchatTests/Integration/TestNetworkHelper.swift

@@ -8,6 +8,8 @@
 
 import Foundation
 import CryptoKit
+import BitFoundation
+import Noise
 @testable import bitchat
 
 final class TestNetworkHelper {

bitchatTests/LocationChannelsTests.swift

@@ -1,4 +1,5 @@
 import Testing
+import Nostr
 import Foundation
 @testable import bitchat
 

bitchatTests/LocationNotesManagerTests.swift

@@ -1,4 +1,5 @@
 import Testing
+import Nostr
 import Foundation
 @testable import bitchat
 

bitchatTests/MessageFormattingEngineTests.swift

@@ -9,6 +9,7 @@
 import Testing
 import Foundation
 import SwiftUI
+import BitFoundation
 @testable import bitchat
 
 struct MessageFormattingEngineTests {

bitchatTests/Mocks/MockBLEBus.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 final class MockBLEBus {

bitchatTests/Mocks/MockBLEService.swift

@@ -8,6 +8,7 @@
 
 import Foundation
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 /// In-memory BLE test harness used by E2E/Integration tests.

bitchatTests/Mocks/MockIdentityManager.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 final class MockIdentityManager: SecureIdentityStateManagerProtocol {

bitchatTests/Mocks/MockTransport.swift

@@ -9,6 +9,7 @@
 import Foundation
 import Combine
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 /// Mock Transport implementation for testing ChatViewModel in isolation.

bitchatTests/Nostr/GeoRelayDirectoryTests.swift

@@ -1,4 +1,5 @@
 import Foundation
+import Nostr
 import Tor
 import XCTest
 @testable import bitchat
@@ -303,6 +304,7 @@ final class GeoRelayDirectoryTests: XCTestCase {
             retrySleep: { delay in
                 await retryRecorder.record(delay)
             },
+            torReadyNotificationName: .TorDidBecomeReady,
             activeNotificationName: activeNotificationName,
             autoStart: autoStart
         )

bitchatTests/NostrProtocolTests.swift

@@ -5,9 +5,11 @@
 // Tests for NIP-17 gift-wrapped private messages
 //
 
+import Nostr
 import Testing
 import CryptoKit
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct NostrProtocolTests {

bitchatTests/Protocol/BinaryProtocolTests.swift

@@ -8,6 +8,7 @@
 
 import Testing
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct BinaryProtocolTests {

bitchatTests/ProtocolContractTests.swift

@@ -2,6 +2,7 @@ import Testing
 import Foundation
 import Combine
 import CoreBluetooth
+import BitFoundation
 @testable import bitchat
 
 private final class DefaultDelegateProbe: BitchatDelegate {

bitchatTests/ReadReceiptTests.swift

@@ -1,5 +1,6 @@
 import Foundation
 import Testing
+import BitFoundation
 @testable import bitchat
 
 @Suite("ReadReceipt Tests")

bitchatTests/Services/FavoritesPersistenceServiceTests.swift

@@ -1,4 +1,5 @@
 import XCTest
+import BitFoundation
 @testable import bitchat
 
 @MainActor

bitchatTests/Services/GeohashPresenceServiceTests.swift

@@ -1,4 +1,5 @@
 import Combine
+import Nostr
 import XCTest
 @testable import bitchat
 

bitchatTests/Services/MessageRouterTests.swift

@@ -7,6 +7,7 @@
 
 import Testing
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct MessageRouterTests {

bitchatTests/Services/NoiseEncryptionServiceTests.swift

@@ -1,5 +1,6 @@
 import Foundation
 import Testing
+import BitFoundation
 @testable import bitchat
 
 @Suite("NoiseEncryptionService Tests")

bitchatTests/Services/NostrRelayManagerTests.swift

@@ -1,3 +1,4 @@
+import Nostr
 import Combine
 import XCTest
 @testable import bitchat
@@ -697,7 +698,7 @@ final class NostrRelayManagerTests: XCTestCase {
     }
 
     private func makeContext(
-        permission: LocationChannelManager.PermissionState,
+        permission: LocationPermissionState,
         favorites: Set<Data> = [],
         activationAllowed: Bool = true,
         userTorEnabled: Bool = false,
@@ -705,7 +706,7 @@ final class NostrRelayManagerTests: XCTestCase {
         torIsReady: Bool = true,
         torIsForeground: Bool = true
     ) -> RelayManagerTestContext {
-        let permissionSubject = CurrentValueSubject<LocationChannelManager.PermissionState, Never>(permission)
+        let permissionSubject = CurrentValueSubject<LocationPermissionState, Never>(permission)
         let favoritesSubject = CurrentValueSubject<Set<Data>, Never>(favorites)
         let sessionFactory = MockRelaySessionFactory()
         let scheduler = MockRelayScheduler()
@@ -782,7 +783,7 @@ final class NostrRelayManagerTests: XCTestCase {
 @MainActor
 private struct RelayManagerTestContext {
     let manager: NostrRelayManager
-    let permissionSubject: CurrentValueSubject<LocationChannelManager.PermissionState, Never>
+    let permissionSubject: CurrentValueSubject<LocationPermissionState, Never>
     let favoritesSubject: CurrentValueSubject<Set<Data>, Never>
     let sessionFactory: MockRelaySessionFactory
     let scheduler: MockRelayScheduler

bitchatTests/Services/NostrTransportTests.swift

@@ -7,7 +7,9 @@
 //
 
 import Foundation
+import Nostr
 import Testing
+import BitFoundation
 @testable import bitchat
 
 @Suite("NostrTransport Tests")

bitchatTests/Services/NotificationServiceTests.swift

@@ -1,5 +1,6 @@
 import XCTest
 import UserNotifications
+import BitFoundation
 @testable import bitchat
 
 final class NotificationServiceTests: XCTestCase {

bitchatTests/Services/PrivateChatManagerTests.swift

@@ -6,7 +6,9 @@
 //
 
 import Testing
+import Nostr
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct PrivateChatManagerTests {

bitchatTests/Services/SecureIdentityStateManagerTests.swift

@@ -1,5 +1,6 @@
 import Foundation
 import XCTest
+import BitFoundation
 @testable import bitchat
 
 final class SecureIdentityStateManagerTests: XCTestCase {

bitchatTests/Services/UnifiedPeerServiceTests.swift

@@ -6,7 +6,9 @@
 //
 
 import Testing
+import Nostr
 import Foundation
+import BitFoundation
 @testable import bitchat
 
 struct UnifiedPeerServiceTests {

bitchatTests/Sync/RequestSyncManagerTests.swift

@@ -1,4 +1,5 @@
 import XCTest
+import BitFoundation
 @testable import bitchat
 
 final class RequestSyncManagerTests: XCTestCase {

bitchatTests/TestUtilities/TestHelpers.swift

@@ -8,6 +8,7 @@
 
 import Foundation
 import CryptoKit
+import BitFoundation
 @testable import bitchat
 
 final class TestHelpers {

bitchatTests/ViewSmokeTests.swift

@@ -1,4 +1,5 @@
 import Testing
+import Nostr
 import Foundation
 import SwiftUI
 import CoreGraphics
@@ -8,6 +9,7 @@ import UIKit
 #else
 import AppKit
 #endif
+import BitFoundation
 @testable import bitchat
 
 @MainActor

localPackages/BitFoundation/Package.swift

@@ -0,0 +1,27 @@
+// swift-tools-version: 5.9
+
+import PackageDescription
+
+let package = Package(
+    name: "BitFoundation",
+    platforms: [
+        .iOS(.v16),
+        .macOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "BitFoundation",
+            targets: ["BitFoundation"]
+        )
+    ],
+    targets: [
+        .target(
+            name: "BitFoundation",
+            path: "Sources"
+        ),
+        .testTarget(
+            name: "BitFoundationTests",
+            dependencies: ["BitFoundation"],
+        )
+    ]
+)

localPackages/BitFoundation/Sources/BitFoundation/Data+Hex.swift

@@ -0,0 +1,57 @@
+//
+// Data+Hex.swift
+// BitFoundation
+//
+// This is free and unencumbered software released into the public domain.
+// For more information, see <https://unlicense.org>
+//
+
+import struct Foundation.Data
+
+public extension Data {
+    func hexEncodedString() -> String {
+        if self.isEmpty {
+            return ""
+        }
+        return self.map { String(format: "%02x", $0) }.joined()
+    }
+
+    /// Initialize Data from a hex string.
+    /// - Parameter hexString: A hex string, optionally prefixed with "0x" or "0X".
+    ///   Whitespace is trimmed. Must have even length after prefix removal.
+    /// - Returns: nil if the string has odd length or contains invalid hex characters.
+    init?(hexString: String) {
+        var hex = hexString.trimmed
+
+        // Remove optional 0x prefix
+        if hex.hasPrefix("0x") || hex.hasPrefix("0X") {
+            hex = String(hex.dropFirst(2))
+        }
+
+        // Reject odd-length strings
+        guard hex.count % 2 == 0 else {
+            return nil
+        }
+
+        // Reject empty strings
+        guard !hex.isEmpty else {
+            self = Data()
+            return
+        }
+
+        let len = hex.count / 2
+        var data = Data(capacity: len)
+        var index = hex.startIndex
+
+        for _ in 0..<len {
+            let nextIndex = hex.index(index, offsetBy: 2)
+            guard let byte = UInt8(String(hex[index..<nextIndex]), radix: 16) else {
+                return nil
+            }
+            data.append(byte)
+            index = nextIndex
+        }
+
+        self = data
+    }
+}

localPackages/BitFoundation/Sources/BitFoundation/Data+SHA256.swift

@@ -0,0 +1,33 @@
+//
+// Data+SHA256.swift
+// BitFoundation
+//
+// This is free and unencumbered software released into the public domain.
+// For more information, see <https://unlicense.org>
+//
+
+import struct Foundation.Data
+private import struct CryptoKit.SHA256
+
+public extension Data {
+    /// Returns the hex representation of SHA256 hash
+    func sha256Fingerprint() -> String {
+        // Implementation matches existing fingerprint generation in NoiseEncryptionService
+        sha256Hash().hexEncodedString()
+    }
+
+    /// Returns the SHA256 hash wrapped in Data
+    func sha256Hash() -> Data {
+        Data(sha256Digest)
+    }
+
+    func sha256Hex() -> String {
+        sha256Digest.map { String(format: "%02x", $0) }.joined()
+    }
+}
+
+private extension Data {
+    var sha256Digest: SHA256.Digest {
+        SHA256.hash(data: self)
+    }
+}

localPackages/BitFoundation/Sources/BitFoundation/PeerID.swift

@@ -1,15 +1,27 @@
 //
 // PeerID.swift
-// bitchat
+// BitFoundation
 //
 // This is free and unencumbered software released into the public domain.
 // For more information, see <https://unlicense.org>
 //
 
-import Foundation
+import struct Foundation.Data
+import struct Foundation.CharacterSet
 
-struct PeerID: Equatable, Hashable {
+public struct PeerID: Equatable, Hashable, Sendable {
-    enum Prefix: String, CaseIterable {
+    enum Constants {
+        /// 16
+        static let nostrConvKeyPrefixLength = 16
+        /// 8
+        static let nostrShortKeyDisplayLength = 8
+        /// 64
+        fileprivate static let maxIDLength = 64
+        /// 16
+        fileprivate static let hexIDLength = 16 // 8 bytes = 16 hex chars
+    }
+
+    public enum Prefix: String, CaseIterable, Sendable {
         /// When no prefix is provided
         case empty = ""
         /// `"mesh:"`
@@ -23,15 +35,15 @@ struct PeerID: Equatable, Hashable {
         /// `"nostr:"` (+ 8 characters hex)
         case geoChat = "nostr:"
     }
-    
+
-    let prefix: Prefix
+    public let prefix: Prefix
-    
+
     /// Returns the actual value without any prefix
-    let bare: String
+    public let bare: String
-    
+
     /// Returns the full `id` value by combining `(prefix + bare)`
-    var id: String { prefix.rawValue + bare }
+    public var id: String { prefix.rawValue + bare }
-    
+
     // Private so the callers have to go through a convenience init
     private init(prefix: Prefix, bare: any StringProtocol) {
         self.prefix = prefix
@@ -41,17 +53,17 @@ struct PeerID: Equatable, Hashable {
 
 // MARK: - Convenience Inits
 
-extension PeerID {
+public extension PeerID {
     /// Convenience init to create GeoDM PeerID by appending `"nostr_"` to the first 16 characters of `pubKey`
     init(nostr_ pubKey: String) {
-        self.init(prefix: .geoDM, bare: pubKey.prefix(TransportConfig.nostrConvKeyPrefixLength))
+        self.init(prefix: .geoDM, bare: pubKey.prefix(Constants.nostrConvKeyPrefixLength))
     }
-    
+
     /// Convenience init to create GeoChat PeerID by appending `"nostr:"` to the first 8 characters of `pubKey`
     init(nostr pubKey: String) {
-        self.init(prefix: .geoChat, bare: pubKey.prefix(TransportConfig.nostrShortKeyDisplayLength))
+        self.init(prefix: .geoChat, bare: pubKey.prefix(Constants.nostrShortKeyDisplayLength))
     }
-    
+
     /// Convenience init to create PeerID from String/Substring by splitting it into prefix and bare parts
     init(str: any StringProtocol) {
         if let prefix = Prefix.allCases.first(where: { $0 != .empty && str.hasPrefix($0.rawValue) }) {
@@ -60,23 +72,23 @@ extension PeerID {
             self.init(prefix: .empty, bare: str)
         }
     }
-    
+
     /// Convenience init to handle `Optional<String>`
     init?(str: (any StringProtocol)?) {
         guard let str else { return nil }
         self.init(str: str)
     }
-    
+
     /// Convenience init to create PeerID by converting Data to String
     init?(data: Data) {
         self.init(str: String(data: data, encoding: .utf8))
     }
-    
+
     /// Convenience init to "hide" hex-encoding implementation detail
     init(hexData: Data) {
         self.init(str: hexData.hexEncodedString())
     }
-    
+
     /// Convenience init to "hide" hex-encoding implementation detail
     init?(hexData: Data?) {
         guard let hexData else { return nil }
@@ -86,12 +98,12 @@ extension PeerID {
 
 // MARK: - Noise Public Key Helpers
 
-extension PeerID {
+public extension PeerID {
     /// Derive the stable 16-hex peer ID from a Noise static public key
     init(publicKey: Data) {
         self.init(str: publicKey.sha256Fingerprint().prefix(16))
     }
-    
+
     /// Returns a 16-hex short peer ID derived from a 64-hex Noise public key if needed
     func toShort() -> PeerID {
         if let noiseKey {
@@ -104,11 +116,11 @@ extension PeerID {
 // MARK: - Codable
 
 extension PeerID: Codable {
-    init(from decoder: any Decoder) throws {
+    public init(from decoder: any Decoder) throws {
         self.init(str: try decoder.singleValueContainer().decode(String.self))
     }
-    
+
-    func encode(to encoder: any Encoder) throws {
+    public func encode(to encoder: any Encoder) throws {
         var container = encoder.singleValueContainer()
         try container.encode(id)
     }
@@ -116,27 +128,27 @@ extension PeerID: Codable {
 
 // MARK: - Helpers
 
-extension PeerID {
+public extension PeerID {
     var isEmpty: Bool {
         id.isEmpty
     }
-    
+
     /// Returns true if `id` starts with "`nostr:`"
     var isGeoChat: Bool {
         prefix == .geoChat
     }
-    
+
     /// Returns true if `id` starts with "`nostr_`"
     var isGeoDM: Bool {
         prefix == .geoDM
     }
-    
+
     func toPercentEncoded() -> String {
         id.addingPercentEncoding(withAllowedCharacters: .urlPathAllowed) ?? id
     }
 }
 
-extension PeerID {
+public extension PeerID {
     var routingData: Data? {
         if let direct = Data(hexString: id), direct.count == 8 { return direct }
         if let bareData = Data(hexString: bare), bareData.count == 8 { return bareData }
@@ -152,50 +164,45 @@ extension PeerID {
 
 // MARK: - Validation
 
-extension PeerID {
+public extension PeerID {
-    private enum Constants {
-        static let maxIDLength = 64
-        static let hexIDLength = 16 // 8 bytes = 16 hex chars
-    }
-    
     /// Validates a peer ID from any source (short 16-hex, full 64-hex, or internal alnum/-/_ up to 64)
     var isValid: Bool {
         if prefix != .empty {
             return PeerID(str: bare).isValid
         }
-        
+
         // Accept short routing IDs (exact 16-hex) or Full Noise key hex (exact 64-hex)
         if isShort || isNoiseKeyHex {
             return true
         }
-        
+
         // If length equals short or full but isn't valid hex, reject
         if id.count == Constants.hexIDLength || id.count == Constants.maxIDLength {
             return false
         }
-        
+
         // Internal format: alphanumeric + dash/underscore up to 63 (not 16 or 64)
         let validCharset = CharacterSet.alphanumerics.union(CharacterSet(charactersIn: "-_"))
         return !id.isEmpty &&
                 id.count < Constants.maxIDLength &&
                 id.rangeOfCharacter(from: validCharset.inverted) == nil
     }
-    
+
     /// Returns true if the `bare` id is all hex
     var isHex: Bool {
         bare.allSatisfy { $0.isHexDigit }
     }
-    
+
     /// Short routing IDs (exact 16-hex)
     var isShort: Bool {
         bare.count == Constants.hexIDLength && isHex
     }
-    
+
     /// Full Noise key hex (exact 64-hex)
     var isNoiseKeyHex: Bool {
         noiseKey != nil
     }
-    
+
     /// Full Noise key (exact 64-hex) as Data
     var noiseKey: Data? {
         guard bare.count == Constants.maxIDLength else { return nil }
@@ -206,7 +213,7 @@ extension PeerID {
 // MARK: - Comparable
 
 extension PeerID: Comparable {
-    static func < (lhs: PeerID, rhs: PeerID) -> Bool {
+    public static func < (lhs: PeerID, rhs: PeerID) -> Bool {
         lhs.id < rhs.id
     }
 }
@@ -215,7 +222,7 @@ extension PeerID: Comparable {
 
 extension PeerID: CustomStringConvertible {
     /// So it returns the actual `id` like before even inside another String
-    var description: String {
+    public var description: String {
         id
     }
 }

localPackages/BitFoundation/Sources/BitFoundation/String+Ext.swift

@@ -1,12 +1,12 @@
 //
 // String+Ext.swift
-// bitchat
+// BitFoundation
 //
 // This is free and unencumbered software released into the public domain.
 // For more information, see <https://unlicense.org>
 //
 
-extension StringProtocol {
+public extension StringProtocol {
     var trimmed: String {
         trimmingCharacters(in: .whitespacesAndNewlines)
     }

localPackages/BitFoundation/Tests/BitFoundationTests/PeerIDTests.swift

@@ -8,7 +8,7 @@
 
 import Testing
 import Foundation
-@testable import bitchat
+@testable import BitFoundation
 
 struct PeerIDTests {
     private let hex16 = "0011223344556677"
@@ -168,8 +168,8 @@ struct PeerIDTests {
     @Test func nostrUnderscore_pubKey() {
         let pubKey = hex64
         let peerID = PeerID(nostr_: pubKey)
-        #expect(peerID.id == "nostr_\(pubKey.prefix(TransportConfig.nostrConvKeyPrefixLength))")
+        #expect(peerID.id == "nostr_\(pubKey.prefix(PeerID.Constants.nostrConvKeyPrefixLength))")
-        #expect(peerID.bare == String(pubKey.prefix(TransportConfig.nostrConvKeyPrefixLength)))
+        #expect(peerID.bare == String(pubKey.prefix(PeerID.Constants.nostrConvKeyPrefixLength)))
         #expect(peerID.prefix == .geoDM)
     }
     
@@ -178,8 +178,8 @@ struct PeerIDTests {
     @Test func nostr_pubKey() {
         let pubKey = hex64
         let peerID = PeerID(nostr: pubKey)
-        #expect(peerID.id == "nostr:\(pubKey.prefix(TransportConfig.nostrShortKeyDisplayLength))")
+        #expect(peerID.id == "nostr:\(pubKey.prefix(PeerID.Constants.nostrShortKeyDisplayLength))")
-        #expect(peerID.bare == String(pubKey.prefix(TransportConfig.nostrShortKeyDisplayLength)))
+        #expect(peerID.bare == String(pubKey.prefix(PeerID.Constants.nostrShortKeyDisplayLength)))
         #expect(peerID.prefix == .geoChat)
     }
     

localPackages/Noise/Package.swift

@@ -0,0 +1,38 @@
+// swift-tools-version: 5.9
+
+import PackageDescription
+
+let package = Package(
+    name: "Noise",
+    platforms: [
+        .iOS(.v16),
+        .macOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "Noise",
+            targets: ["Noise"]
+        ),
+    ],
+    dependencies: [
+        .package(path: "../BitLogger"),
+        .package(path: "../BitFoundation"),
+    ],
+    targets: [
+        .target(
+            name: "Noise",
+            dependencies: [
+                .product(name: "BitLogger", package: "BitLogger"),
+                .product(name: "BitFoundation", package: "BitFoundation"),
+            ],
+            path: "Sources"
+        ),
+        .testTarget(
+            name: "NoiseTests",
+            dependencies: ["Noise"],
+            resources: [
+                .process("NoiseTestVectors.json")
+            ]
+        ),
+    ]
+)

localPackages/Noise/Sources/Noise/NoiseProtocol.swift

@@ -78,6 +78,7 @@
 ///
 
 import BitLogger
+import BitFoundation
 import Foundation
 import CryptoKit
 
@@ -532,7 +533,7 @@ final class NoiseSymmetricState {
 final class NoiseHandshakeState {
     private let role: NoiseRole
     private let pattern: NoisePattern
-    private let keychain: KeychainManagerProtocol
+    private let keychain: SecureMemoryCleaner
     private var symmetricState: NoiseSymmetricState
     
     // Keys
@@ -555,7 +556,7 @@ final class NoiseHandshakeState {
     init(
         role: NoiseRole,
         pattern: NoisePattern,
-        keychain: KeychainManagerProtocol,
+        keychain: SecureMemoryCleaner,
         localStaticKey: Curve25519.KeyAgreement.PrivateKey? = nil,
         remoteStaticKey: Curve25519.KeyAgreement.PublicKey? = nil,
         prologue: Data = Data(),
@@ -923,7 +924,7 @@ extension NoisePattern {
 
 // MARK: - Errors
 
-enum NoiseError: Error {
+public enum NoiseError: Error {
     case uninitializedCipher
     case invalidCiphertext
     case handshakeComplete

localPackages/Noise/Sources/Noise/NoiseRateLimiter.swift

@@ -7,9 +7,10 @@
 //
 
 import BitLogger
+import BitFoundation
 import Foundation
 
-final class NoiseRateLimiter {
+public final class NoiseRateLimiter {
     private var handshakeTimestamps: [PeerID: [Date]] = [:]
     private var messageTimestamps: [PeerID: [Date]] = [:]
     
@@ -18,8 +19,10 @@ final class NoiseRateLimiter {
     private var globalMessageTimestamps: [Date] = []
     
     private let queue = DispatchQueue(label: "chat.bitchat.noise.ratelimit", attributes: .concurrent)
-    
+
-    func allowHandshake(from peerID: PeerID) -> Bool {
+    public init() {}
+
+    public func allowHandshake(from peerID: PeerID) -> Bool {
         return queue.sync(flags: .barrier) {
             let now = Date()
             let oneMinuteAgo = now.addingTimeInterval(-60)
@@ -48,7 +51,7 @@ final class NoiseRateLimiter {
         }
     }
     
-    func allowMessage(from peerID: PeerID) -> Bool {
+    public func allowMessage(from peerID: PeerID) -> Bool {
         return queue.sync(flags: .barrier) {
             let now = Date()
             let oneSecondAgo = now.addingTimeInterval(-1)
@@ -84,7 +87,7 @@ final class NoiseRateLimiter {
         }
     }
 
-    func resetAll() {
+    public func resetAll() {
         queue.async(flags: .barrier) {
             self.handshakeTimestamps.removeAll()
             self.messageTimestamps.removeAll()

localPackages/Noise/Sources/Noise/NoiseSecurityConstants.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-enum NoiseSecurityConstants {
+public enum NoiseSecurityConstants {
     // Maximum message size to prevent memory exhaustion
     static let maxMessageSize = 65535 // 64KB as per Noise spec
     
@@ -28,10 +28,10 @@ enum NoiseSecurityConstants {
     static let maxSessionsPerPeer = 3
     
     // Rate limiting
-    static let maxHandshakesPerMinute = 10
+    public static let maxHandshakesPerMinute = 10
-    static let maxMessagesPerSecond = 100
+    public static let maxMessagesPerSecond = 100
     
     // Global rate limiting (across all peers)
-    static let maxGlobalHandshakesPerMinute = 30
+    public static let maxGlobalHandshakesPerMinute = 30
-    static let maxGlobalMessagesPerSecond = 500
+    public static let maxGlobalMessagesPerSecond = 500
 }

localPackages/Noise/Sources/Noise/NoiseSecurityError.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-enum NoiseSecurityError: Error {
+public enum NoiseSecurityError: Error {
     case sessionExpired
     case sessionExhausted
     case messageTooLarge

localPackages/Noise/Sources/Noise/NoiseSecurityValidator.swift

@@ -8,15 +8,15 @@
 
 import Foundation
 
-struct NoiseSecurityValidator {
+public struct NoiseSecurityValidator {
     
     /// Validate message size
-    static func validateMessageSize(_ data: Data) -> Bool {
+    public static func validateMessageSize(_ data: Data) -> Bool {
         return data.count <= NoiseSecurityConstants.maxMessageSize
     }
     
     /// Validate handshake message size
-    static func validateHandshakeMessageSize(_ data: Data) -> Bool {
+    public static func validateHandshakeMessageSize(_ data: Data) -> Bool {
         return data.count <= NoiseSecurityConstants.maxHandshakeMessageSize
     }
 }

localPackages/Noise/Sources/Noise/NoiseSession.swift

@@ -9,11 +9,12 @@
 import BitLogger
 import Foundation
 import CryptoKit
+import BitFoundation
 
-class NoiseSession {
+public class NoiseSession {
     let peerID: PeerID
     let role: NoiseRole
-    private let keychain: KeychainManagerProtocol
+    private let keychain: SecureMemoryCleaner
     private var state: NoiseSessionState = .uninitialized
     private var handshakeState: NoiseHandshakeState?
     private var sendCipher: NoiseCipherState?
@@ -33,7 +34,7 @@ class NoiseSession {
     init(
         peerID: PeerID,
         role: NoiseRole,
-        keychain: KeychainManagerProtocol,
+        keychain: SecureMemoryCleaner,
         localStaticKey: Curve25519.KeyAgreement.PrivateKey,
         remoteStaticKey: Curve25519.KeyAgreement.PublicKey? = nil
     ) {
@@ -181,7 +182,7 @@ class NoiseSession {
         }
     }
     
-    func isEstablished() -> Bool {
+    public func isEstablished() -> Bool {
         return sessionQueue.sync {
             if case .established = state {
                 return true
@@ -216,8 +217,8 @@ class NoiseSession {
             sentHandshakeMessages.removeAll()
             
             // Clear handshake hash
-            if var hash = handshakeHash {
+            if handshakeHash != nil {
-                keychain.secureClear(&hash)
+                keychain.secureClear(&handshakeHash!)
             }
             handshakeHash = nil
             

localPackages/Noise/Sources/Noise/NoiseSessionError.swift

@@ -6,7 +6,7 @@
 // For more information, see <https://unlicense.org>
 //
 
-enum NoiseSessionError: Error, Equatable {
+public enum NoiseSessionError: Error, Equatable {
     case invalidState
     case notEstablished
     case sessionNotFound

localPackages/Noise/Sources/Noise/NoiseSessionManager.swift

@@ -9,19 +9,20 @@
 import BitLogger
 import CryptoKit
 import Foundation
+import BitFoundation
 
-final class NoiseSessionManager {
+public final class NoiseSessionManager {
     private var sessions: [PeerID: NoiseSession] = [:]
     private let localStaticKey: Curve25519.KeyAgreement.PrivateKey
-    private let keychain: KeychainManagerProtocol
+    private let keychain: SecureMemoryCleaner
     private let sessionFactory: (PeerID, NoiseRole) -> NoiseSession
     private let managerQueue = DispatchQueue(label: "chat.bitchat.noise.manager", attributes: .concurrent)
     
     // Callbacks
-    var onSessionEstablished: ((PeerID, Curve25519.KeyAgreement.PublicKey) -> Void)?
+    public var onSessionEstablished: ((PeerID, Curve25519.KeyAgreement.PublicKey) -> Void)?
     var onSessionFailed: ((PeerID, Error) -> Void)?
     
-    init(localStaticKey: Curve25519.KeyAgreement.PrivateKey, keychain: KeychainManagerProtocol) {
+    public init(localStaticKey: Curve25519.KeyAgreement.PrivateKey, keychain: SecureMemoryCleaner) {
         self.localStaticKey = localStaticKey
         self.keychain = keychain
         self.sessionFactory = { peerID, role in
@@ -37,7 +38,7 @@ final class NoiseSessionManager {
     #if DEBUG
     init(
         localStaticKey: Curve25519.KeyAgreement.PrivateKey,
-        keychain: KeychainManagerProtocol,
+        keychain: SecureMemoryCleaner,
         sessionFactory: @escaping (PeerID, NoiseRole) -> NoiseSession
     ) {
         self.localStaticKey = localStaticKey
@@ -48,13 +49,13 @@ final class NoiseSessionManager {
     
     // MARK: - Session Management
     
-    func getSession(for peerID: PeerID) -> NoiseSession? {
+    public func getSession(for peerID: PeerID) -> NoiseSession? {
         return managerQueue.sync {
             return sessions[peerID]
         }
     }
     
-    func removeSession(for peerID: PeerID) {
+    public func removeSession(for peerID: PeerID) {
         managerQueue.sync(flags: .barrier) {
             if let session = sessions.removeValue(forKey: peerID) {
                 session.reset() // Clear sensitive data before removing
@@ -62,7 +63,7 @@ final class NoiseSessionManager {
         }
     }
 
-    func removeAllSessions() {
+    public func removeAllSessions() {
         managerQueue.sync(flags: .barrier) {
             for (_, session) in sessions {
                 session.reset()
@@ -73,7 +74,7 @@ final class NoiseSessionManager {
     
     // MARK: - Handshake Helpers
     
-    func initiateHandshake(with peerID: PeerID) throws -> Data {
+    public func initiateHandshake(with peerID: PeerID) throws -> Data {
         return try managerQueue.sync(flags: .barrier) {
             // Check if we already have an established session
             if let existingSession = sessions[peerID], existingSession.isEstablished() {
@@ -102,7 +103,7 @@ final class NoiseSessionManager {
         }
     }
     
-    func handleIncomingHandshake(from peerID: PeerID, message: Data) throws -> Data? {
+    public func handleIncomingHandshake(from peerID: PeerID, message: Data) throws -> Data? {
         // Process everything within the synchronized block to prevent race conditions
         return try managerQueue.sync(flags: .barrier) {
             var shouldCreateNew = false
@@ -172,7 +173,7 @@ final class NoiseSessionManager {
     
     // MARK: - Encryption/Decryption
     
-    func encrypt(_ plaintext: Data, for peerID: PeerID) throws -> Data {
+    public func encrypt(_ plaintext: Data, for peerID: PeerID) throws -> Data {
         guard let session = getSession(for: peerID) else {
             throw NoiseSessionError.sessionNotFound
         }
@@ -180,7 +181,7 @@ final class NoiseSessionManager {
         return try session.encrypt(plaintext)
     }
     
-    func decrypt(_ ciphertext: Data, from peerID: PeerID) throws -> Data {
+    public func decrypt(_ ciphertext: Data, from peerID: PeerID) throws -> Data {
         guard let session = getSession(for: peerID) else {
             throw NoiseSessionError.sessionNotFound
         }
@@ -190,13 +191,13 @@ final class NoiseSessionManager {
     
     // MARK: - Key Management
     
-    func getRemoteStaticKey(for peerID: PeerID) -> Curve25519.KeyAgreement.PublicKey? {
+    public func getRemoteStaticKey(for peerID: PeerID) -> Curve25519.KeyAgreement.PublicKey? {
         return getSession(for: peerID)?.getRemoteStaticPublicKey()
     }
     
     // MARK: - Session Rekeying
     
-    func getSessionsNeedingRekey() -> [(peerID: PeerID, needsRekey: Bool)] {
+    public func getSessionsNeedingRekey() -> [(peerID: PeerID, needsRekey: Bool)] {
         return managerQueue.sync {
             var needingRekey: [(peerID: PeerID, needsRekey: Bool)] = []
             
@@ -212,7 +213,7 @@ final class NoiseSessionManager {
         }
     }
     
-    func initiateRekey(for peerID: PeerID) throws {
+    public func initiateRekey(for peerID: PeerID) throws {
         // Remove old session
         removeSession(for: peerID)