func GetCipherSuite(s string) (uint16, bool) {
	v, ok := cipherSuites[s]
	return v, ok
}
func GetCipherSuite(s string) (uint16, bool) {
	v, ok := cipherSuites[s]
	return v, ok
}
func GetCipherSuite ( s string ) ( uint16 , bool ) { v , ok := cipherSuites [ s ] return v , ok }
// GetCipherSuite returns the corresponding cipher suite,
// and boolean value if it is supported.
GetCipherSuite returns the corresponding cipher suite and boolean value if it is supported .