在JVM中注册多个密钥库

import javax.net.ssl.*;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.*;

public class MultipleKeyStoresSSL {

    public static void main(String[] args) throws Exception {
        // 加载密钥库文件
        KeyStore keyStore1 = loadKeyStore("keystore1.jks", "password1");
        KeyStore keyStore2 = loadKeyStore("keystore2.jks", "password2");

        // 创建 KeyManagerFactory 实例
        KeyManagerFactory keyManagerFactory1 = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
        KeyManagerFactory keyManagerFactory2 = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());

        // 初始化 KeyManagerFactory 实例
        keyManagerFactory1.init(keyStore1, "password1".toCharArray());
        keyManagerFactory2.init(keyStore2, "password2".toCharArray());

        // 创建 SSLContext 实例
        SSLContext sslContext = SSLContext.getInstance("TLS");

        // 初始化 SSLContext 实例
        sslContext.init(new KeyManager[] { keyManagerFactory1.getKeyManagers()[0], keyManagerFactory2.getKeyManagers()[0] }, null, null);

        // 设置默认 SSLContext
        SSLContext.setDefault(sslContext);
    }

    private static KeyStore loadKeyStore(String keyStoreFile, String password) throws IOException, KeyStoreException, NoSuchAlgorithmException, CertificateException {
        KeyStore keyStore = KeyStore.getInstance("JKS");
        try (FileInputStream fis = new FileInputStream(keyStoreFile)) {
            keyStore.load(fis, password.toCharArray());
        }
        return keyStore;
    }
}