具有自签名ssl证书的GRPC Okhttp android客户端频道

OkHttpClient client = new OkHttpClient.Builder()
    .sslSocketFactory(createSSLSocketFactory(), trustManager)
    .build();

private SSLSocketFactory createSSLSocketFactory() {
    try {
        // 加载自签名证书
        CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
        InputStream inputStream = getResources().openRawResource(R.raw.self_signed_certificate);
        Certificate certificate = certificateFactory.generateCertificate(inputStream);
        inputStream.close();

        // 创建KeyStore并将证书导入
        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
        keyStore.load(null, null);
        keyStore.setCertificateEntry("self_signed_certificate", certificate);

        // 创建TrustManager并初始化
        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
                TrustManagerFactory.getDefaultAlgorithm());
        trustManagerFactory.init(keyStore);
        TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();

        // 创建SSL Socket工厂
        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(null, trustManagers, new SecureRandom());
        return sslContext.getSocketFactory();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

OkHttpClient client = new OkHttpClient.Builder()
    .sslSocketFactory(createSSLSocketFactory(), trustManager)
    .build();

ManagedChannel channel = OkHttpChannelBuilder.forAddress("your_server_address", 443, client)
    .sslSocketFactory(createSSLSocketFactory(), trustManager)
    .build();