Initial import.

.gitignore

README.md

framing/framing.go

framing/framing_test.go

handshake_ntor.go

handshake_ntor_test.go

ntor/ntor.go

ntor/ntor_test.go

obfs4-client/obfs4-client.go

obfs4-server/obfs4-server.go

obfs4.go