package srtp import ( "math/rand" "github.com/v2ray/v2ray-core/common/alloc" "github.com/v2ray/v2ray-core/transport/internet" ) type Config struct { Version byte Padding bool Extension bool CSRCCount byte Marker bool PayloadType byte } type ObfuscatorSRTP struct { header uint16 number uint16 } func (this *ObfuscatorSRTP) Overhead() int { return 4 } func (this *ObfuscatorSRTP) Open(payload *alloc.Buffer) bool { payload.SliceFrom(this.Overhead()) return true } func (this *ObfuscatorSRTP) Seal(payload *alloc.Buffer) { this.number++ payload.PrependUint16(this.number) payload.PrependUint16(this.header) } type ObfuscatorSRTPFactory struct { } func (this ObfuscatorSRTPFactory) Create(rawSettings internet.AuthenticatorConfig) internet.Authenticator { return &ObfuscatorSRTP{ header: 0xB5E8, number: uint16(rand.Intn(65536)), } } func init() { internet.RegisterAuthenticator("srtp", ObfuscatorSRTPFactory{}, func() interface{} { return new(Config) }) }