Here are the classes, structs, unions and interfaces with brief descriptions:

C__FlashStringHelper
CCryptnoxWallet	High-level interface for interacting with a Cryptnox Hardware Wallet over NFC
CCW_CardInfo	Subset of the Cryptnox card info returned by APDU 0x80FA0000
CCW_CryptoProvider	Abstract interface for cryptographic operations used by CW_SecureChannel
CCW_Logger	Abstract interface for serial/debug output
CCW_NfcTransport	Abstract interface for NFC transport operations
CCW_Platform	Abstract interface for platform-specific operations used by the SDK
CCW_SecureChannel	Implements the Cryptnox secure channel protocol over NFC
CCW_SecureSession	Holds cryptographic session state for reentrant secure channel operations
CCW_SignRequest	Request parameters for CryptnoxWallet::sign
CCW_SignResult	Result of CryptnoxWallet::sign
CCW_Utils	Portable utility functions for cryptographic and security operations