I Dewa Putu Ardi Nusawan ardinusawan

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lgtm

ardinusawan / README.md

Last active September 21, 2025 10:22

JWE using JOSE with EdDSA algorithm in NodeJS

JWS & JWT using JOSE

node jwe.js

ardinusawan / autossh.service

Last active June 14, 2019 02:51

autossh daemon service

	[Unit]
	Description=Auto SSH Service
	Wants=network-online.target
	After=network-online.target

	[Service]
	Type=simple
	User=pi
	WorkingDirectory=/home/pi/autossh
	ExecStart=/home/pi/autossh/script.sh

ardinusawan / pdf2png.py

Created June 2, 2017 19:51

Converting pdf to png using python

	for pdfile in *.pdf ; do
	convert -verbose -density 500 "${pdfile}" -quality 100 "${pdfile%.*}".png
	# rm "${pdfile}"
	done

ardinusawan / run.py

Created April 28, 2017 14:21

Secret Key [Hackerrank CTF] - Medium

	# https://www.hackerrank.com/contests/capture-the-flag/challenges/secret-key/copy-from/1301466914
	from urllib import urlopen
	import json
	import ast
	url = urlopen('https://cdn.hackerrank.com/hackerrank/static/contests/capture-the-flag/secret/key.json').read().decode('utf8')
	result = json.dumps(json.loads(url))
	result = ast.literal_eval(result)

	i = 0
	data = list()

ardinusawan / merge_multiple_csv.py

Created April 7, 2017 21:09

This python program using pandas for merge multiple (not just 2!) csv file based on primary key

	# http://pandas.pydata.org/pandas-docs/stable/merging.html
	# Search on 'Brief primer on merge methods (relational algebra)'
	import pandas as pd

	csv_input = pd.read_csv('./file_A.csv')
	df = pd.DataFrame(csv_input)
	csv_input2 = pd.read_csv('./file_B.csv')
	df2 = pd.DataFrame(csv_input2)
	combined = pd.merge(csv_input, csv_input2, on='Primary Key')
	combined.to_csv('output.csv', index=False)

ardinusawan / TOTP.java

Created December 4, 2016 16:10

RFC 6238 OTP - 10 digits (Modified from https://tools.ietf.org/html/rfc6238)

	import java.lang.reflect.UndeclaredThrowableException;
	import java.security.GeneralSecurityException;
	import java.text.DateFormat;
	import java.text.SimpleDateFormat;
	import java.util.Date;
	import javax.crypto.Mac;
	import javax.crypto.spec.SecretKeySpec;
	import java.math.BigInteger;
	import java.util.TimeZone;