获取JAVA中的加密种类

/**
	 * 获取JAVA中有多少种加密方式
	 * RSA, DES, Triple DES, AES, Blowfish, ARCFOUR, RC2, PBE, Diffie-Hellman, HMAC
	 */
	public static void getMethod() throws Exception{
		KeyGenerator kg = KeyGenerator.getInstance("AES");
		kg.init(128);
		System.out.println(kg.getProvider().getInfo());
	}