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roelds / Python3.py
Created September 16, 2023 06:34
Various Python3 snippets
View Python3.py
# hash checksum sha3-224
import sys
import hashlib
if sys.version_info < (3, 6):
import sha3
# initiating the "s" object to use the
# sha3_224 algorithm from the hashlib module.
s = hashlib.sha3_224()
@roelds
roelds / git_sha2.sh
Created September 16, 2023 04:06
Git sha256 in Git 2.42+
View git_sha2.sh
# Git 2.42+
mkdir sha256
cd sha256
git init --object-format=sha256
git config extensions.preciousObjects true
git branch -m dev
dd if=/dev/zero bs=$((1024*1024)) count=$((5*1024)) | git hash-object --stdin --literally
# verify result :
dc18ca621300c8d3cfa505a275641ebab00de189859e022a975056882d313e64
@roelds
roelds / Ascii85.ps1
Last active September 16, 2023 06:18
Various Types to Add in PowerShell
View Ascii85.ps1
# more efficient than base64
$base85lib =
@"
using System;
using System.Text;
using System.IO;
using System.Linq;
namespace BaseN {
/// <summary>
@roelds
roelds / my_time.ps1
Created September 9, 2023 19:32
my timestamp as filename format in Linux & Windows
View my_time.ps1
# my format
get-date -format "yyyy_MM_dd_HH_mm_ss"
# epoch in dec
(Get-Date).ToUniversalTime().Subtract((Get-Date "01/01/1970")).TotalSeconds
# alt format
gcim Win32_LocalTime | select Year,Quarter,Month,WeekInMonth,DayOfWeek | fl
@roelds
roelds / oqsprovider_windows.cmd
Last active September 9, 2023 16:43
Use oqsprovider with openssl on Windows
View oqsprovider_windows.cmd
:: put below in your config, usually for Win64 : C:\Program Files\Common Files\SSL\openssl.cnf
[provider_sect]
default = default_sect
oqsprovider = oqsprovider_sect
[default_sect]
activate = 1
[oqsprovider_sect]
activate = 1
@roelds
roelds / as_admin.ps1
Created September 9, 2023 00:46
Require or Verify PowerShell Script Run As Admin
View as_admin.ps1
#Requires RunAsAdministrator
# put above comment at top of script to prevent running of script if it was not run as admin
# or quietly check for script run as admin:
([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
@roelds
roelds / _openssl_keys
Last active September 9, 2023 23:52
Use openssl with ed448 keys, to sign & verify shake256 digests
View _openssl_keys
# will prompt for passphrase on stdin
openssl genpkey -out skey.pem -verbose -pass stdin -aes-256-cbc -algorithm ed448
openssl ec -in skey.pem -pubout -out pub.pem
# create hash
openssl shake256 -xoflen 64 -out dgst thefile
openssl pkeyutl -sign -inkey skey.pem -rawin -in dgst -out dgst.sig
openssl pkeyutl -verify -rawin -inkey pub.pem -pubin -sigfile dgst.sig -in dgst
@roelds
roelds / ListPrivilegedServices.ps1
Last active September 8, 2023 23:39 — forked from RomelSan/ListPrivilegedServices.ps1
List privileged services that don't come with Windows 11
View ListPrivilegedServices.ps1
# updated for Win11
# List privileged services that don't come with Windows 11
# Exclusion List for Win11 built in
$exclusion = @('ALG', 'AppVClient', 'COMSysApp', 'diagnosticshub.standardcollector.service',
'edgeupdate', 'edgeupdatem', 'gcs', 'MicrosoftEdgeElevationService', 'MSDTC',
'msiserver', 'NetTcpPortSharing', 'perceptionsimulation', 'PerfHost', 'RpcLocator', 'SecurityHealthService',
'Sense', 'SensorDataService', 'SgrmBroker', 'SNMPTrap', 'spectrum', 'Spooler', 'sppsvc', 'TieringEngineService',
'TrustedInstaller', 'UevAgentService', 'uhssvc', 'vds', 'VSS', 'wbengine', 'WdNisSvc', 'WinDefend', 'wmiApSrv',
'WMPNetworkSvc', 'WSearch', 'WslService')
@roelds
roelds / asn.sh
Last active September 9, 2023 02:47 — forked from ethack/asn
ASN/IP/Route/hostname CLI lookup tool to map any network to corresponding ASN & prefix
View asn.sh
#!/bin/bash
if command -v whois >/dev/null 2>&1 ; then echo "whois ok..." ; else echo "install whois!" && exit ; fi
# verified on latest Ubuntu server cloudimg
############################################################################################################
# ----------------------------------------------------------------------
# ASN/IPv4/Prefix lookup tool. Uses Team Cymru's whois service for data.
# ----------------------------------------------------------------------
# example usage:
# asn <ASnumber> -- to lookup matching ASN data. Supports "as123" and "123" formats (case insensitive)
@roelds
roelds / compile_gnupg.sh
Last active September 7, 2023 04:41
Compile gnupg 2.4.x from Source for Debian Testing
View compile_gnupg.sh
# assumes new Debian Testing VM, for purpose of compiling, running below as root
# uses most libs already available from apt, only compiles lib ntbtls
lsb_release -a
uname -a
wget https://gnupg.org/signature_key.asc
gpg --import signature_key.asc
gpg -k
wget https://www.gnupg.org/signature_key.html