Function aesgcmPreferred

cipher_suites.go:389–399

aesgcmPreferred returns whether the first known cipher in the preference list is an AES-GCM cipher, implying the peer has hardware support for it.

(ciphers []uint16)

// aesgcmPreferred returns whether the first known cipher in the preference list
// is an AES-GCM cipher, implying the peer has hardware support for it.
func aesgcmPreferred(ciphers []uint16) bool {
	for _, cID := range ciphers {
		if c := cipherSuiteByID(cID); c != nil {
			return aesgcmCiphers[cID]
		}
		if c := cipherSuiteTLS13ByID(cID); c != nil {
			return aesgcmCiphers[cID]
		}
	}
	return false
}

func cipherRC4(key, iv []byte, isRead bool) any {
	cipher, _ := rc4.NewCipher(key)