mutalisk999

Just to clarify all the steps required to diagnose this issue. (thanks everyone for postings) :

Following command shows the list of process with their CPU / Memory usage :

ps auxf

Following command gives the list of all threads of a process sorted with CPU usage.

top -H -p [PID]

mutalisk999

Visual Studio 2019 Product Key

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mutalisk999

wget https://www.openssl.org/source/openssl-1.1.1.tar.gz
tar -xvzf openssl-1.1.1.tar.gz
cd openssl-1.1.1/
./Configure linux-aarch64 --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib
make -j$(($(nproc)+1))
sudo make install
sudo echo 'LD_LIBRARY_PATH=/usr/local/ssl/lib:${LD_LIBRARY_PATH}' >> /etc/environment
rm openssl-1.1.1.tar.gz
sudo rm openssl-1.1.1 -r

mutalisk999

Deadsnakes python 3.9 on Ubuntu 18.04 LTS

NOTE: Recently switched back to using pyenv so I can run multiple python versions without losing my mind. It only takes a few minutes to set up, but provides the flexibility I need without making things too complicated. See my gist, Manage python versions on Linux with pyenv for more.

The deadsnakes PPA make the latest stable versions of python available on Ubuntu 18.04 LTS (3.9 is already in the official apt repo for 20.04). I now find it preferable to installing from source.

The following was tested on a Ubuntu 18.04.5 LTS desktop with python 3.6.9 as the system python version ("python3").

The latest python available from deadsnakes as of July, 2021 is 3.9.6.

Prerequisites

mutalisk999

import socket
import ssl

from tls_server import HOST as SERVER_HOST
from tls_server import PORT as SERVER_PORT

HOST = "127.0.0.1"
PORT = 60002

client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

mutalisk999

#!python3
"""OpenSSL enc compatible script by Python.
"""
import sys
import os
import io
import hashlib
import binascii
import argparse
import logging

mutalisk999

package config

import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"
	"encoding/pem"
	"io/ioutil"

	"github.com/CodeCollaborate/Server/utils"

mutalisk999

https://crypto.stackexchange.com/questions/3298/is-there-a-standard-for-openssl-interoperable-aes-encryption/35614#35614

https://security.stackexchange.com/questions/29106/openssl-recover-key-and-iv-by-passphrase

Following code steal from [Simple python functions that provide openssl -aes-256-cbc compatible encrypt/decrypt] (http://joelinoff.com/blog/?p=885)

# ================================================================
# get_key_and_iv

mutalisk999

import gevent
import gevent.server
import gevent.monkey
gevent.monkey.patch_all()

import socket
import string
import random
import filecmp

mutalisk999

#!/usr/bin/env python3

import asyncio
import ssl


@asyncio.coroutine
async def echo_client(data, loop):
    ssl_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
    ssl_ctx.options |= ssl.OP_NO_TLSv1