Method aesGCM

src/main/java/core/packetproxy/quic/value/key/Key.java:70–78

(int cipherMode, byte[] packetNumber, byte[] payload, byte[] associatedData)

	}

	public byte[] aesGCM(int cipherMode, byte[] packetNumber, byte[] payload, byte[] associatedData) throws Exception {
		byte[] nonce = getNonce(packetNumber);
		SecretKeySpec keySpec = new SecretKeySpec(this.key, "AES");
		Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
		GCMParameterSpec gcmParameterSpec = new GCMParameterSpec(128, nonce);
		cipher.init(cipherMode, keySpec, gcmParameterSpec);
		cipher.updateAAD(associatedData);
		return cipher.doFinal(payload);
	}

	public byte[] decryptPayload(byte[] packetNumber, byte[] encryptPayload, byte[] associatedData) throws Exception {
		return aesGCM(Cipher.DECRYPT_MODE, packetNumber, encryptPayload, associatedData);