ios_client

ios_client 0.8.5/Kecalek/Utilities/Constants.swift

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+import Foundation
+
+enum Constants: Sendable {
+    nonisolated static let version = "0.8.5"
+    nonisolated static let maxMessageBytes = 65536
+    nonisolated static let maxImageBytes = 5 * 1024 * 1024      // 5 MB
+    nonisolated static let maxFileBytes = 50 * 1024 * 1024       // 50 MB
+    nonisolated static let imageChunkSize = 32768                 // 32 KB (matches Python IMAGE_CHUNK_SIZE)
+    nonisolated static let selfDeviceId = "00000000-0000-0000-0000-000000000000"
+
+    nonisolated static let opkReplenishThreshold = 20
+    nonisolated static let opkBatchSize = 50
+    nonisolated static let spkRotationDays = 7
+
+    nonisolated static let maxSkip = 256
+    nonisolated static let maxSenderKeySkip = 256
+
+    nonisolated static let deviceBundleCacheTTL: TimeInterval = 300  // 5 minutes
+    nonisolated static let sendReceiveTimeout: TimeInterval = 30
+    nonisolated static let reconnectBaseDelay: TimeInterval = 1
+    nonisolated static let reconnectMaxDelay: TimeInterval = 30
+
+    nonisolated static let pbkdf2Iterations: UInt32 = 600_000
+    nonisolated static let ecp1Magic = Data([0x45, 0x43, 0x50, 0x31])  // "ECP1"
+
+    // HKDF info/salt strings matching Python
+    nonisolated static let x3dhInfo = "EncryptedChat_X3DH"
+    nonisolated static let rootKeyInfo = "EncryptedChat_RootKey"
+    nonisolated static let selfEncryptionSalt = "self_encryption"
+    nonisolated static let selfEncryptionInfo = "EncryptedChat_SelfKey"
+    nonisolated static let localStorageSalt = "local_storage"
+    nonisolated static let localStorageInfo = "EncryptedChat_LocalStorage"
+    nonisolated static let senderKeyChainInfo = "SenderKeyChain"
+
+    // Server connection defaults
+    nonisolated static let defaultHost = "chat.ai-tech.news"
+    nonisolated static let defaultPort: UInt16 = 9999
+}