forked from kenzuya/unshackle
- Add MSL core implementation for handling Netflix message security layer - Create MSL keys and message encryption/signature utilities - Implement handshake to establish encrypted session keys with Netflix endpoint - Add entity and user authentication scheme support for MSL - Provide methods for message creation, sending, decryption, and parsing - Implement Netflix service class with CLI integration via Click - Support title metadata retrieval and parse movie or series accordingly - Implement track extraction with profile and codec handling logic - Add chapter extraction from Netflix metadata with error handling - Implement Widevine license request using MSL messaging - Add utility to split profiles based on video codec types - Define schemes for key exchange, user and entity authentication with MSL - Enable caching and loading of MSL keys with expiration checks - Include gzip compression and base64 key decoding helpers within MSL class