Classes

Undocumented

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@objc
public final class TrustPinKitResources : NSObject

A URLProtocol implementation that performs certificate pinning using TrustPin verification.

This protocol intercepts HTTPS requests and validates server certificates against domain-specific whitelists using the TrustPin verification system.

Usage

// Register the protocol
TrustPinURLProtocol.register()

// Use with URLSession
let session = URLSession(configuration: .default)
// Requests will automatically use certificate pinning

// Unregister when no longer needed
TrustPinURLProtocol.unregister()

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@available(iOS 13.0, macOS 13.0, tvOS 13.0, watchOS 7.0, visionOS 2.0, *)
public final class TrustPinURLProtocol : URLProtocol, @unchecked Sendable

SSL certificate pinning for iOS, macOS, tvOS, watchOS, and visionOS.

Single instance (app — existing usage, zero changes required)

try await TrustPin.setup(TrustPinConfiguration(
    organizationId: "org", projectId: "proj", publicKey: key
))
try await TrustPin.verify(domain: "api.example.com", certificate: pem)

Multiple instances (library or multi-tenant app)

A library should create its own isolated instance so it never interferes with the host app’s pinning configuration:

// Inside the library (keep this reference private/internal)
let pin = TrustPin.instance(id: "com.mylib.networking")
try await pin.setup(TrustPinConfiguration(
    organizationId: "lib-org", projectId: "lib-proj", publicKey: libKey
))
try await pin.verify(domain: "api.library.com", certificate: pem)

URLProtocol (default instance only)

registerURLProtocol() and unregisterURLProtocol() are static methods and always operate on TrustPin.default. They are intentionally unavailable on named instances — libraries should use makeURLSessionDelegate() instead.

Thread Safety

All operations are thread-safe. Internal state is protected by Swift actors.

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public final class TrustPin : @unchecked Sendable