使用RSA的加密套接字连接java (IllegalArgumentException:非法的base64字符10)

KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(2048);
KeyPair keyPair = keyPairGenerator.generateKeyPair();
PublicKey publicKey = keyPair.getPublic();
PrivateKey privateKey = keyPair.getPrivate();

String publicKeyBase64 = Base64.getEncoder().encodeToString(publicKey.getEncoded());
String privateKeyBase64 = Base64.getEncoder().encodeToString(privateKey.getEncoded());

// 客户端
SSLSocketFactory sslSocketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
SSLSocket sslSocket = (SSLSocket) sslSocketFactory.createSocket("服务器地址", 443);
sslSocket.setEnabledCipherSuites(sslSocket.getSupportedCipherSuites());
sslSocket.startHandshake();

OutputStream outputStream = sslSocket.getOutputStream();
InputStream inputStream = sslSocket.getInputStream();

// 使用公钥加密数据
Cipher encryptCipher = Cipher.getInstance("RSA");
encryptCipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] encryptedData = encryptCipher.doFinal("要加密的数据".getBytes());
outputStream.write(encryptedData);
outputStream.flush();

// 使用私钥解密数据
Cipher decryptCipher = Cipher.getInstance("RSA");
decryptCipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] buffer = new byte[1024];
int length = inputStream.read(buffer);
byte[] decryptedData = decryptCipher.doFinal(buffer, 0, length);
String decryptedMessage = new String(decryptedData);
System.out.println("解密后的数据：" + decryptedMessage);

// 服务器端
SSLServerSocketFactory sslServerSocketFactory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
SSLServerSocket sslServerSocket = (SSLServerSocket) sslServerSocketFactory.createServerSocket(443);
SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
sslSocket.setEnabledCipherSuites(sslSocket.getSupportedCipherSuites());
sslSocket.startHandshake();

OutputStream outputStream = sslSocket.getOutputStream();
InputStream inputStream = sslSocket.getInputStream();

// 使用私钥解密数据
Cipher decryptCipher = Cipher.getInstance("RSA");
decryptCipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] buffer = new byte[1024];
int length = inputStream.read(buffer);
byte[] decryptedData = decryptCipher.doFinal(buffer, 0, length);
String decryptedMessage = new String(decryptedData);
System.out.println("解密后的数据：" + decryptedMessage);

// 使用公钥加密数据
Cipher encryptCipher = Cipher.getInstance("RSA");
encryptCipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] encryptedData = encryptCipher.doFinal("要加密的数据".getBytes());
outputStream.write(encryptedData);
outputStream.flush();