小丰丰 babafeng

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冰晶节杖

Just like this.

babafeng / android-get-cer

Last active February 3, 2017 06:35

	try {
	AssetManager asset = getResources().getAssets();

	CertificateFactory certificateFactory = CertificateFactory.getInstance("X509");
	InputStream cerInputStream = asset.open("demons.cer");

	Certificate certificate = certificateFactory.generateCertificate(cerInputStream);

	RSAPublicKey publicKey = (RSAPublicKey) certificate.getPublicKey();
	Log.d(TAG, " public: " + publicKey);

babafeng / SocketClient+SocketServer

Created February 3, 2017 06:03

	import java.io.DataInputStream;
	import java.io.DataOutputStream;
	import java.net.Socket;


	public class SocketClient {
	public static void send(String host, int port, String data) throws Exception {
	Socket socket = new Socket(host, port);
	DataOutputStream dataoutputstream = new DataOutputStream(socket.getOutputStream());

babafeng / python-get-post

Created January 16, 2017 08:17

	#!/usr/bin/env python
	# -- coding: utf8 --

	# author: xiaofengfeng
	# create: 2016-12-12 10:02:22

	from http.server import HTTPServer, BaseHTTPRequestHandler
	from sys import argv

babafeng / Java(Android)-ReadKeyStore

Created January 3, 2017 06:38

	// keystore pass
	String store_password = "storepass";
	// alias
	String alias = "feng";
	// key pass
	String private_password = "keypass";

	// 创建针对jks文件的输入流
	InputStream inputStream = new FileInputStream("C:\Users\Vii26\Desktop\feng_pub.keystore");

babafeng / java-socket-client-demo-SocketClient

Created December 28, 2016 06:37

	import java.io.DataInputStream;
	import java.io.DataOutputStream;
	import java.net.Socket;

	/**
	* @author babafeng
	* @date : 2016年12月28日下午2:34:23
	*/
	public class SocketClient {
	public static void send(String host, int port, String data) throws Exception {

babafeng / java-socket-server-demo-SocketServer

Created December 28, 2016 06:36

	import java.io.DataInputStream;
	import java.io.DataOutputStream;
	import java.io.IOException;
	import java.net.ServerSocket;
	import java.net.Socket;
	import java.util.Date;

	/**
	* @author babafeng
	* @date : 2016年12月28日下午2:34:35

babafeng / java-aes-demo-AESCrypto

Created December 28, 2016 06:10

使用java-aes加密解密


	import java.io.UnsupportedEncodingException;

	import java.security.MessageDigest;
	import java.security.NoSuchAlgorithmException;

	import java.util.Arrays;
	import java.util.Base64;

	import javax.crypto.Cipher;

babafeng / java-rsa-demo-RSACrypto

Created December 28, 2016 03:07

使用java-rsa加密解密

	import java.math.BigInteger;
	import java.security.InvalidKeyException;
	import java.security.KeyFactory;
	import java.security.KeyPair;
	import java.security.KeyPairGenerator;
	import java.security.NoSuchAlgorithmException;
	import java.security.interfaces.RSAPrivateKey;
	import java.security.interfaces.RSAPublicKey;
	import java.security.spec.InvalidKeySpecException;
	import java.security.spec.RSAPrivateKeySpec;