K4,K5,K6,K7,K8}%IPv6 sslsocket()= opaque() protocol()= sslv3|tlsv1|'tlsv1.1'|'tlsv1.2' ciphers()= =[ciphersuite
typeClientHelloInfostruct{//CipherSuites列出了客户端支持的CipherSuite(例如//TLS_RSA_WITH_RC4_128_SHA)。