public?static?void?jdkRSA()?throws?NoSuchAlgorithmException,?InvalidKeySpecException,?NoSuchPaddingException,?InvalidKeyException,?IllegalBlockSizeException,?BadPaddingException{
		//1.初始化秘鑰
		KeyPairGenerator?keyPairGenerator?=?KeyPairGenerator.getInstance("RSA");
		keyPairGenerator.initialize(512);
		KeyPair?keyPair?=?keyPairGenerator.generateKeyPair();
		RSAPublicKey?rsaPublicKey?=?(RSAPublicKey)?keyPair.getPublic();
		RSAPrivateKey?rsaPrivateKey?=?(RSAPrivateKey)?keyPair.getPrivate();
		System.out.println("Public?Key:"?+?Base64.encode(rsaPublicKey.getEncoded()));
		System.out.println("Private?Key:"?+?Base64.encode(rsaPrivateKey.getEncoded()));
		
		//私鑰加密，公鑰解密-加密
		PKCS8EncodedKeySpec?pkcs8EncodedKeySpec?=?new?PKCS8EncodedKeySpec(rsaPrivateKey.getEncoded());
		KeyFactory?keyFactory?=?KeyFactory.getInstance("RSA");
		PrivateKey?privateKey?=?keyFactory.generatePrivate(pkcs8EncodedKeySpec);
		Cipher?cipher?=?Cipher.getInstance("RSA");
		cipher.init(Cipher.ENCRYPT_MODE,?privateKey);
		byte[]?result?=?cipher.doFinal(input.getBytes());
		System.out.println("私鑰加密，公鑰解密,加密："?+?Base64.encode(result));
		
		//私鑰加密，公鑰解密-解密
		X509EncodedKeySpec?x509EncodedKeySpec?=?new?X509EncodedKeySpec(rsaPublicKey.getEncoded());
		keyFactory?=?KeyFactory.getInstance("RSA");
		PublicKey?publicKey?=?keyFactory.generatePublic(x509EncodedKeySpec);
		cipher?=?Cipher.getInstance("RSA");
		cipher.init(Cipher.DECRYPT_MODE,?publicKey);
		result?=?cipher.doFinal(result);
		System.out.println("公鑰加密，私鑰解密,解密："?+?new?String(result));
		
		//公鑰加密，私鑰解密--加密
		x509EncodedKeySpec?=?new?X509EncodedKeySpec(rsaPublicKey.getEncoded());
		keyFactory?=?KeyFactory.getInstance("RSA");
		publicKey?=?keyFactory.generatePublic(x509EncodedKeySpec);
		cipher?=?Cipher.getInstance("RSA");
		cipher.init(Cipher.ENCRYPT_MODE,?publicKey);
		result?=?cipher.doFinal(input.getBytes());
		System.out.println("公鑰加密，私鑰解密--加密："?+?Base64.encode(result));
		
		//公鑰加密，私鑰解密--解密
		pkcs8EncodedKeySpec?=?new?PKCS8EncodedKeySpec(rsaPrivateKey.getEncoded());
		keyFactory?=?KeyFactory.getInstance("RSA");
		privateKey?=?keyFactory.generatePrivate(pkcs8EncodedKeySpec);
		cipher?=?Cipher.getInstance("RSA");
		cipher.init(Cipher.DECRYPT_MODE,?privateKey);
		result?=?cipher.doFinal(result);
		System.out.println("公鑰加密，私鑰解密--解密："?+?new?String(result));
	}