Atsuhiko Yamanaka ymnk

ymnk / gist:a5f823a0ef30bef0c38b

Created November 26, 2014 13:07

Verifying that +ymnk is my openname (Bitcoin username). https://onename.io/ymnk

ymnk / ECCKeyAgreement.java

Last active December 19, 2023 18:35

ECC with Java

	// The following code is from http://www.academicpub.org/PaperInfo.aspx?PaperID=14496 .
	import java.math.BigInteger;
	import java.security.*;
	import java.security.spec.*;
	import javax.crypto.KeyAgreement;

	public class ECCKeyAgreement {
	public static void main(String[] args) throws Exception {
	KeyPairGenerator kpg;
	kpg = KeyPairGenerator.getInstance("EC","SunEC");

ymnk / README

Created October 13, 2013 14:11

http://devtesting.jp/tddbc/?TDDBC%E4%BB%99%E5%8F%B003/%E8%AA%B2%E9%A1%8C

ymnk / Interval.java

Last active December 21, 2015 10:49

	class Interval {

	private Point upper;
	private Point lower;

	private Interval(Point lower, Point upper) {
	if (lower != infinite && upper != infinite
	&& !inclusive(lower.p).greater(upper.p))
	throw new IllegalArgumentException(lower + " " + upper);
	this.lower = lower;

ymnk / geolocation.html

Last active December 20, 2015 17:49

	<html>
	<head>
	<script type="text/javascript">
	<!--
	// Geolocation API[1] を使って、
	// 開始地点と現在地の緯度・経度、及び両者の差を表示するためのプログラム
	// [1] http://en.wikipedia.org/wiki/W3C_Geolocation_API

	// 開始地点の緯度・経度を保持する変数
	var start_latitude;

ymnk / Shell.java

Last active August 22, 2017 10:49

	/* --mode:java; c-basic-offset:2; indent-tabs-mode:nil -- */

	import com.jcraft.jsch.*;
	import java.awt.*;
	import javax.swing.*;
	import java.io.*;
	import java.util.zip.GZIPInputStream;

	public class Shell{
	public static void main(String[] arg){

ymnk / AES.java

Last active July 20, 2023 15:54

JSch examples

	/* --mode:java; c-basic-offset:2; indent-tabs-mode:nil -- */
	/**
	* This program will demonstrate how to use "aes128-cbc".
	*
	*/
	import com.jcraft.jsch.*;
	import java.awt.*;
	import javax.swing.*;

	public class AES{

ymnk / gist:1432802

Created December 5, 2011 08:04

	$ scala
	Welcome to Scala version 2.9.1.final (Java HotSpot(TM) Client VM, Java 1.6.0_16).
	Type in expressions to have them evaluated.
	Type :help for more information.

	scala> :paste
	// Entering paste mode (ctrl-D to finish)

	trait X {
	val a = ""

ymnk / gist:1341022

Created November 5, 2011 02:48

OOME on jruby caused by zlib's leaked resources.

	ymnk@ubuntu:~/tmp/jruby-1.6.5$ ./bin/jruby -v -e "require 'zlib'; while true; Zlib::Deflate.new; end"
	jruby 1.6.5 (ruby-1.8.7-p330) (2011-10-25 9dcd388) (Java HotSpot(TM) Client VM 1.6.0_29) [linux-i386-java]
	Killed
	ymnk@ubuntu:~/tmp/jruby-1.6.5$ ../jruby/bin/jruby -v -e "require 'zlib'; while true; Zlib::Deflate.new; end"
	jruby 1.7.0.dev (ruby-1.8.7-p330) (2011-11-04 fbeb240) (Java HotSpot(TM) Client VM 1.6.0_29) [linux-i386-java]

ymnk / gist:1186724

Created September 1, 2011 17:36