Swift Security (iOS / macOS)

Security building blocks for a fintech iOS/macOS app: secret storage, biometric gating, cryptography, and transport pinning. Grounded in Apple's Security, LocalAuthentication, and CryptoKit frameworks.

• Android/KMP counterpart: mobile-security (Android Keystore, EncryptedFile, network security config).
• KMP boundary: expose a commonMain interface SecureStorage and bind it to a Keychain-backed actual in iosMain; see expect-actual. Never let shared code hold plaintext secrets.

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