sefgit’s gists

sefgit / Rfc6238.cs

Last active October 23, 2025 03:05 — forked from ddjerqq/Rfc6238.cs

TOTP: Time-Based One-Time Password Algorithm Implementation in C#

	using System.Security.Cryptography;

	namespace Rfc6238;

	public enum HmacAlgo
	{
	Sha1,
	Sha256,
	Sha512,
	}

sefgit / validateInitData.py

Created September 12, 2025 23:38 — forked from Malith-Rukshan/validateInitData.py

Validate Init data of Telegram Mini-App | TypeScript & Python

	import hmac

	def checkValidateInitData(hash_str, init_data, token, c_str="WebAppData"):
	"""
	Validates the data received from the Telegram web app, using the
	method documented here:
	https://core.telegram.org/bots/webapps#validating-data-received-via-the-web-app

	hash_str - the has string passed by the webapp
	init_data - the query string passed by the webapp

sefgit / sha512.html

Created August 18, 2025 13:47 — forked from grazerblade/sha512.html

SHA512 hash converter via Javascript (from the orig cryptostorm.is website)

	<meta name="description" content="Easily calculate SHA-512 algorithms" />
	<script type="text/javascript" src="assets/js/sha512.js">
	</script>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script type="text/javascript">
	//<![CDATA[

	function calcSHA()
	{
	calcHash("SHA-512");

sefgit / simulateNativeLink.js

Created August 14, 2025 12:59 — forked from smitroshin/simulateNativeLink.js

Simulate native link click programmatically in React.js

	const simulateNativeLink = (rowData, e) => {
	if (e.ctrlKey \|\| e.metaKey \|\| e.which === 2 \|\| e.button === 4) {
	const link = document.createElement('a');
	link.target = '_blank';
	link.rel = 'noopener noreferrer';
	link.href = `/my-orders/${rowData.id}`;
	link.click();
	} else {
	history.push(`/my-orders/${rowData.id}`);
	}

sefgit / ImpPubKeyFromPriv.c

Created August 4, 2025 05:08 — forked from aleks-f/ImpPubKeyFromPriv.c

CryptoAPI: import public key from private key PEM

	#include "windows.h"
	#include "wincrypt.h"
	#include "stdio.h"

	/* This code example:

	1) creates a Crypto Service Provider
	2) generates keys
	3) extracts public key
	4) exports private key into PEM

sefgit / websocket_proxy.js

Created June 22, 2025 02:35 — forked from Checksum/websocket_proxy.js

Intercepting WebSockets in the browser using JavaScript

	const WebSocketProxy = new Proxy(window.WebSocket, {
	construct(target, args) {
	console.log("Proxying WebSocket connection", ...args);
	const ws = new target(...args);

	// Configurable hooks
	ws.hooks = {
	beforeSend: () => null,
	beforeReceive: () => null
	};

sefgit / api.py

Created May 2, 2025 01:14 — forked from raphaeljolivet/api.py

Add custom rest API to streamlit app

	# This code adds custom REST api handler at runtime to a running Streamlit app
	#

	from tornado.web import Application, RequestHandler
	from tornado.routing import Rule, PathMatches
	import gc
	import streamlit as st


	@st.cache_resource()

sefgit / clr_via_native.c

Created April 20, 2025 01:57 — forked from xpn/clr_via_native.c

A quick example showing loading CLR via native code

	#include "stdafx.h"

	int main()
	{
	ICLRMetaHost *metaHost = NULL;
	IEnumUnknown *runtime = NULL;
	ICLRRuntimeInfo *runtimeInfo = NULL;
	ICLRRuntimeHost *runtimeHost = NULL;
	IUnknown *enumRuntime = NULL;
	LPWSTR frameworkName = NULL;

sefgit / interactive_pick_dataPoint_example.py

Created April 13, 2025 14:50 — forked from saeedghsh/interactive_pick_dataPoint_example.py

	#!/usr/bin/python3
	'''
	Copyright (C) Saeed Gholami Shahbandi. All rights reserved.
	Author: Saeed Gholami Shahbandi
	This file is free software: you can redistribute it and/or modify it
	under the terms of the GNU Lesser General Public License as published
	by the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version. This program is distributed in
	the hope that it will be useful, but WITHOUT ANY WARRANTY; without
	even the implied warranty of MERCHANTABILITY or FITNESS FOR A

sefgit / matplotlib_bottons_x_axis_zoom.py

Created April 13, 2025 14:48 — forked from saeedghsh/matplotlib_bottons_x_axis_zoom.py

A Matplotlib plot with bottons and mouse scroll for y-axis zooming

	#!/usr/bin/python3
	'''
	Copyright (C) Saeed Gholami Shahbandi. All rights reserved.
	Author: Saeed Gholami Shahbandi

	This file is free software: you can redistribute it and/or modify it
	under the terms of the GNU Lesser General Public License as published
	by the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version. This program is distributed in
	the hope that it will be useful, but WITHOUT ANY WARRANTY; without