NewBlueBurstCryptoSession returns a CryptoSession with newly initialized ciphers that can be used to communicate with a PSO Blue Burst client.

NewPCCryptoSession returns a CryptoSession with newly initialized ciphers that can be used to communicate with either a PSO PC client or the patch protocol used by the PSO Blue Burst client.

Client represents a user connected through a PSOBB game client.

CryptoSession is an interface for the cryptographic operations required to exchange packets between a PSO game client and the server.